fix: bugs using real hardware

fix: q value
fix: matrix gain
2026-10-04 21:01:09 +02:00 · 2026-10-02 22:48:47 +02:00 · 2026-10-02 20:38:23 +02:00 · 2026-09-30 21:14:08 +02:00 · 2026-09-30 16:55:47 +02:00 · 2026-09-30 16:53:44 +02:00
153 changed files with 12938 additions and 9567 deletions
@@ -1,24 +1,24 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-node_modules
-dist
-dist-ssr
-*.local
-
-# Editor directories and files
-.vscode/*
-!.vscode/extensions.json
-.idea
-.DS_Store
-*.suo
-*.ntvs*
-*.njsproj
-*.sln
-*.sw?
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
@@ -1,7 +1,7 @@
-{
-  "semi": true,
-  "singleQuote": true,
-  "trailingComma": "es5",
-  "printWidth": 100,
-  "tabWidth": 2
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "printWidth": 100,
+  "tabWidth": 2
 }
@@ -1,3 +1,3 @@
-{
-  "recommendations": ["tauri-apps.tauri-vscode", "rust-lang.rust-analyzer"]
-}
+{
+  "recommendations": ["tauri-apps.tauri-vscode", "rust-lang.rust-analyzer"]
+}
@@ -1,10 +1,31 @@
-# Tauri + React + Typescript
-
-This template should help get you started developing with Tauri, React and Typescript in Vite.
-
-## Recommended IDE Setup
-
- [VS Code](https://code.visualstudio.com/) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)
-
-# TODO
- Move meters polling logic outside dsp state because it causes re-render of everything tied to dsp constantly
+# Tauri + React + Typescript
+
+This template should help get you started developing with Tauri, React and Typescript in Vite.
+
+## Recommended IDE Setup
+
+- [VS Code](https://code.visualstudio.com/) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)
+
+# TODO
+
+- Move meters polling logic outside dsp state because it causes re-render of everything tied to dsp constantly
+
+- Check render to improve perfoormances
+
+- Check in meter if clip bool is limit instead
+
+- On close disconenct all ds^p
+
+- Check end to end behavioour
+
+- Roll back on scroll when 2 scroll
+
+- test en dto end connection
+ 
+Data: 10020001052f 31313131 10032a // lock
+
+Data: 10020001052d 31313131 100328 // unlock fail
+Data: 10020100032d 3100 10031f
+
+Data: 10020001062d 0031313131 10032b // unlock success
+Data: 10020100032d 0001 10032f
@@ -1,14 +1,14 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Tauri + React + Typescript</title>
-  </head>
-
-  <body>
-    <div id="root"></div>
-    <script type="module" src="/src/main.tsx"></script>
-  </body>
-</html>
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Tauri + React + Typescript</title>
+  </head>
+
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
@@ -1,31 +1,31 @@
-{
-  "name": "thomann-dsp-app",
-  "private": true,
-  "version": "0.1.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build": "tsc && vite build",
-    "preview": "vite preview",
-    "tauri": "tauri",
-    "format": "prettier --write \"src/**/*.{ts,tsx,js,jsx,css}\"",
-    "format:check": "prettier --check \"src/**/*.{ts,tsx,js,jsx,css}\""
-  },
-  "dependencies": {
-    "@tauri-apps/api": "^2",
-    "@tauri-apps/plugin-opener": "^2",
-    "react": "^19.2.8",
-    "react-dom": "^19.2.8"
-  },
-  "devDependencies": {
-    "@tauri-apps/cli": "^2",
-    "@types/react": "^19.1.8",
-    "@types/react-dom": "^19.1.6",
-    "@vitejs/plugin-react": "^4.6.0",
-    "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-prettier": "^5.5.6",
-    "prettier": "^3.9.6",
-    "typescript": "~5.8.3",
-    "vite": "^7.0.4"
-  }
-}
+{
+  "name": "thomann-dsp-app",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview",
+    "tauri": "tauri",
+    "format": "prettier --write \"src/**/*.{ts,tsx,js,jsx,css}\"",
+    "format:check": "prettier --check \"src/**/*.{ts,tsx,js,jsx,css}\""
+  },
+  "dependencies": {
+    "@tauri-apps/api": "^2",
+    "@tauri-apps/plugin-opener": "^2",
+    "react": "^19.2.8",
+    "react-dom": "^19.2.8"
+  },
+  "devDependencies": {
+    "@tauri-apps/cli": "^2",
+    "@types/react": "^19.1.8",
+    "@types/react-dom": "^19.1.6",
+    "@vitejs/plugin-react": "^4.6.0",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-prettier": "^5.5.6",
+    "prettier": "^3.9.6",
+    "typescript": "~5.8.3",
+    "vite": "^7.0.4"
+  }
+}
@@ -1,7 +1,7 @@
-# Generated by Cargo
-# will have compiled files and executables
-/target/
-
-# Generated by Tauri
-# will have schema files for capabilities auto-completion
-/gen/schemas
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas
@@ -175,7 +175,7 @@ checksum = "ae36dc4177970ef04fde5178d3e2429882def40e57a451f919c098f72baa6cec"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.2",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -225,6 +225,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"

+[[package]]
+name = "base64"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -397,7 +403,7 @@ dependencies = [
 "semver",
 "serde",
 "serde_json",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 ]

 [[package]]
@@ -453,6 +459,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"

+[[package]]
+name = "chacha20"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65c35e4b699c7e15ccbe7ee35c005e4fc0a278d22238a2857e6ce2dadeda1b06"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.1",
+ "rand_core",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.45"
@@ -543,6 +560,15 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "cpufeatures"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca28b0ae3115b884660db4118d803791fd6756b6e88f39c0f3f7859060d7566"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -618,9 +644,9 @@ checksum = "52560adf09603e58c9a7ee1fe1dcb95a16927b17c127f0ac02d6e768a0e25bc1"

 [[package]]
 name = "darling"
-version = "0.23.0"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25ae13da2f202d56bd7f91c25fba009e7717a1e4a1cc98a76d844b65ae912e9d"
+checksum = "ed17f5901b6630b993ca003def43f2f8ef4014fc13b047b57aad617ff32bc2ec"
 dependencies = [
 "darling_core",
 "darling_macro",
@@ -628,26 +654,26 @@ dependencies = [

 [[package]]
 name = "darling_core"
-version = "0.23.0"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9865a50f7c335f53564bb694ef660825eb8610e0a53d3e11bf1b0d3df31e03b0"
+checksum = "6837e2cf7485aaae18f86181d2f0e9a7ed297a025e220aeabf63fdebd3a2ddff"
 dependencies = [
 "ident_case",
 "proc-macro2",
 "quote",
 "strsim",
- "syn 2.0.119",
+ "syn 3.0.6",
 ]

 [[package]]
 name = "darling_macro"
-version = "0.23.0"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
+checksum = "2ac7135c3ef02b2f7833bbeb1be5ba7f966dcde8a87c6b87f65a778d71a02785"
 dependencies = [
 "darling_core",
 "quote",
- "syn 2.0.119",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -661,6 +687,37 @@ dependencies = [
 "windows-sys 0.61.2",
 ]

+[[package]]
+name = "defmt"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2953bfe4f93bbd20cc71198842756f77d161884c99ebbabc41d80231ded88d1"
+dependencies = [
+ "bitflags 1.3.2",
+ "defmt-macros",
+]
+
+[[package]]
+name = "defmt-macros"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bad9c72e7ca2137e0dc3813245a0d282fd6daad32fd800af018306a9169b5fe8"
+dependencies = [
+ "defmt-parser",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "defmt-parser"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10d60334b3b2e7c9d91ef8150abfb6fa4c1c39ebbcf4a81c2e346aad939fee3e"
+dependencies = [
+ "thiserror 2.0.21",
+]
+
 [[package]]
 name = "deranged"
 version = "0.5.8"
@@ -796,11 +853,13 @@ dependencies = [
 name = "dsp_thomann"
 version = "0.1.0"
 dependencies = [
+ "rand",
 "serde",
 "serde_json",
+ "serde_with",
 "strum",
 "strum_macros",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 ]

 [[package]]
@@ -1254,6 +1313,7 @@ dependencies = [
 "cfg-if",
 "libc",
 "r-efi 6.0.0",
+ "rand_core",
 ]

 [[package]]
@@ -1761,6 +1821,60 @@ dependencies = [
 "system-deps",
 ]

+[[package]]
+name = "jiff"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ab1baf72f08796de0260609515130699b890ac25f30e610ad894bc5856cafdb"
+dependencies = [
+ "defmt",
+ "jiff-core",
+ "jiff-static",
+ "jiff-tzdb-platform",
+ "log",
+ "portable-atomic",
+ "portable-atomic-util",
+ "serde_core",
+ "windows-link 0.2.1",
+]
+
+[[package]]
+name = "jiff-core"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e52fe76043ccecc9005d2305ebaadf7d7fc0cc89ca6baa10a94d6bc68c7128c"
+dependencies = [
+ "defmt",
+ "log",
+]
+
+[[package]]
+name = "jiff-static"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "378268a1116ad67ae6228701118ac9f491d78fda38a40a1f1a9e1348de6f7212"
+dependencies = [
+ "jiff-core",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "jiff-tzdb"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "142bd39932ad231f10513df9ab62661fead8719872150b7ad02a2df79f4e141e"
+
+[[package]]
+name = "jiff-tzdb-platform"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "875a5a69ac2bab1a891711cf5eccbec1ce0341ea805560dcd90b7a2e925132e8"
+dependencies = [
+ "jiff-tzdb",
+]
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -2004,7 +2118,7 @@ dependencies = [
 "once_cell",
 "png 0.18.1",
 "serde",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "windows-sys 0.61.2",
 ]

@@ -2492,6 +2606,21 @@ dependencies = [
 "windows-sys 0.61.2",
 ]

+[[package]]
+name = "portable-atomic"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05c8b63e8d9609db387f0324918f81d68fe27748f084ef092fb35954d0539a85"
+
+[[package]]
+name = "portable-atomic-util"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10ab3eb7f3becc3a1cbc4f2c6f20267996cfc1a6467a873763411b136a122715"
+dependencies = [
+ "portable-atomic",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.5"
@@ -2605,6 +2734,23 @@ version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"

+[[package]]
+name = "rand"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65c9fb96cbc91e3478eaae79a69fcd3f1ae4ad052e471fe6732fff548984b4af"
+dependencies = [
+ "chacha20",
+ "getrandom 0.4.3",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
+
 [[package]]
 name = "raw-window-handle"
 version = "0.6.2"
@@ -2628,7 +2774,7 @@ checksum = "a4e608c6638b9c18977b00b475ac1f28d14e84b27d8d42f70e0bf1e3dec127ac"
 dependencies = [
 "getrandom 0.2.17",
 "libredox",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 ]

 [[package]]
@@ -2648,7 +2794,7 @@ checksum = "2c9283685feec7d69af75fb0e858d5e7378f33fe4fc699383b2916ab9273e03c"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.2",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -2882,7 +3028,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.2",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -2917,7 +3063,7 @@ checksum = "8d3b1629de253c70a0508c3899572da79ca359fdab27c7920ff00406df418906"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.2",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -2940,16 +3086,17 @@ dependencies = [

 [[package]]
 name = "serde_with"
-version = "3.21.0"
+version = "3.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76a5c54c7310e7b8b9577c286d7e399ddd876c3e12b3ed917a8aabc4b96e9e8c"
+checksum = "df9adc193c780ef8f159aee8b61e2d5801aaa555e6eb0947fe45530ec506296f"
 dependencies = [
- "base64 0.22.1",
+ "base64 0.23.1",
 "bs58",
 "chrono",
 "hex",
 "indexmap 1.9.3",
 "indexmap 2.14.0",
+ "jiff",
 "schemars 0.9.0",
 "schemars 1.2.1",
 "serde_core",
@@ -2960,14 +3107,14 @@ dependencies = [

 [[package]]
 name = "serde_with_macros"
-version = "3.21.0"
+version = "3.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84d57bc0c8b9a17920c178daa6bb924850d54a9c97ab45194bb8c17ad66bb660"
+checksum = "3e17bbc68e28663bbbb90df47e058aa7eda4fb445b89fe70457bb94fbccf6e49"
 dependencies = [
 "darling",
 "proc-macro2",
 "quote",
- "syn 2.0.119",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -3008,7 +3155,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
 "cfg-if",
- "cpufeatures",
+ "cpufeatures 0.2.17",
 "digest",
 ]

@@ -3198,9 +3345,9 @@ dependencies = [

 [[package]]
 name = "syn"
-version = "3.0.2"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a207d6d6a2b7fc470b80443726053f18a2481b7e1eee970597051596567987a3"
+checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -3299,9 +3446,9 @@ checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"

 [[package]]
 name = "tauri"
-version = "2.11.5"
+version = "2.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "667b20e2726d572dea2de7370da16e188eb06008faf9a92fab7cdc46791190b5"
+checksum = "6fa5bacdb9bbad5954af3d1bd6cf6ae9192cab1b2e270f4a07f904610b9e85f4"
 dependencies = [
 "anyhow",
 "bytes",
@@ -3338,7 +3485,7 @@ dependencies = [
 "tauri-runtime",
 "tauri-runtime-wry",
 "tauri-utils",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "tokio",
 "tray-icon",
 "url",
@@ -3389,7 +3536,7 @@ dependencies = [
 "sha2",
 "syn 2.0.119",
 "tauri-utils",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "time",
 "url",
 "uuid",
@@ -3428,9 +3575,9 @@ dependencies = [

 [[package]]
 name = "tauri-plugin-opener"
-version = "2.5.4"
+version = "2.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17e1bea14edce6b793a04e2417e3fd924b9bc4faae83cdee7d714156cceeed29"
+checksum = "60d60366174b745b4ef5824b8bbc1c457fd08f0ce101ff643c0a49181a9f4e91"
 dependencies = [
 "dunce",
 "glob",
@@ -3442,7 +3589,7 @@ dependencies = [
 "serde_json",
 "tauri",
 "tauri-plugin",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "url",
 "windows",
 "zbus",
@@ -3466,7 +3613,7 @@ dependencies = [
 "serde",
 "serde_json",
 "tauri-utils",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "url",
 "webkit2gtk",
 "webview2-com",
@@ -3529,7 +3676,7 @@ dependencies = [
 "serde_json",
 "serde_with",
 "swift-rs",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "toml 1.1.3+spec-1.1.0",
 "url",
 "urlpattern",
@@ -3581,11 +3728,11 @@ dependencies = [

 [[package]]
 name = "thiserror"
-version = "2.0.19"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a43598840e33d5b0331f38c5e30d13bb11c11210a4b58f0d9b18a5a5eefcd9"
+checksum = "09e52cb86a36cede5cb101bf8908837b3e4c6e5e59fe7fd85c23fb56200d189e"
 dependencies = [
- "thiserror-impl 2.0.19",
+ "thiserror-impl 2.0.21",
 ]

 [[package]]
@@ -3601,13 +3748,13 @@ dependencies = [

 [[package]]
 name = "thiserror-impl"
-version = "2.0.19"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43cbfe0cf76104d42a574802844187e84a305e531ed54455f11fbde0f10541cd"
+checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.2",
+ "syn 3.0.6",
 ]

 [[package]]
@@ -3918,7 +4065,7 @@ dependencies = [
 "once_cell",
 "png 0.18.1",
 "serde",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "windows-sys 0.61.2",
 ]

@@ -4278,7 +4425,7 @@ version = "0.38.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "381336cfffd772377d291702245447a5251a2ffa5bad679c99e61bc48bacbf9c"
 dependencies = [
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "windows",
 "windows-core 0.61.2",
 ]
@@ -4713,7 +4860,7 @@ dependencies = [
 "sha2",
 "soup3",
 "tao-macros",
- "thiserror 2.0.19",
+ "thiserror 2.0.21",
 "url",
 "webkit2gtk",
 "webkit2gtk-sys",
@@ -18,8 +18,8 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 tauri-build = { version = "2", features = [] }

 [dependencies]
-tauri = { version = "2", features = [] }
-tauri-plugin-opener = "2"
+tauri = { version = "2.11.6", features = [] }
+tauri-plugin-opener = "2.5.5"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-dsp_thomann = { path = "../../dsp_thomann", features = ["serialization"] }
+dsp_thomann = { path = "../../dsp-thomann", features = ["serialization"] }
@@ -1,3 +1,3 @@
-fn main() {
-    tauri_build::build()
-}
+fn main() {
+    tauri_build::build()
+}
@@ -1,10 +1,10 @@
-{
-  "$schema": "../gen/schemas/desktop-schema.json",
-  "identifier": "default",
-  "description": "Capability for the main window",
-  "windows": ["main"],
-  "permissions": [
-    "core:default",
-    "opener:default"
-  ]
-}
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "opener:default"
+  ]
+}
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <background android:drawable="@color/ic_launcher_background"/>
+</adaptive-icon>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="ic_launcher_background">#fff</color>
+</resources>
@@ -0,0 +1,87 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="200"
+  height="200"
+  viewBox="0 0 200 200"
+>
+  <defs>
+    <linearGradient
+      id="richGradient"
+      x1="0%"
+      y1="0%"
+      x2="100%"
+      y2="100%"
+    >
+      <stop offset="0%" stop-color="#1e3a8a" stop-opacity="1"/>
+      <stop offset="25%" stop-color="#2d3485"/>
+      <stop offset="45%" stop-color="#4c2e7f"/>
+      <stop offset="60%" stop-color="#6b2878"/>
+      <stop offset="80%" stop-color="#b9326e"/>
+      <stop offset="100%" stop-color="#ea437a" stop-opacity="1"/>
+    </linearGradient>
+
+    <radialGradient
+      id="darkenGradient"
+      cx="50%"
+      cy="50%"
+      r="50%"
+    >
+      <stop offset="0%" stop-color="#ffffff" stop-opacity="0.3"/>
+      <stop offset="30%" stop-color="#ffffff" stop-opacity="0.1"/>
+      <stop offset="60%" stop-color="#000000" stop-opacity="0"/>
+      <stop offset="80%" stop-color="#000000" stop-opacity="0.2"/>
+      <stop offset="100%" stop-color="#000000" stop-opacity="0.5"/>
+    </radialGradient>
+
+    <linearGradient
+      id="shadowGradient"
+      x1="20%"
+      y1="20%"
+      x2="80%"
+      y2="80%"
+    >
+      <stop offset="0%" stop-color="#0f1d42"/>
+      <stop offset="25%" stop-color="#1f2a5d"/>
+      <stop offset="45%" stop-color="#332f78"/>
+      <stop offset="60%" stop-color="#5f3458"/>
+      <stop offset="80%" stop-color="#7a2250"/>
+      <stop offset="100%" stop-color="#a50d57"/>
+    </linearGradient>
+  </defs>
+
+  <!-- Main donut -->
+  <path
+    d="
+      M100,20
+      A80,80 0 1,1 99.9,20
+      M100,60
+      A40,40 0 1,0 100.1,60
+    "
+    fill="url(#richGradient)"
+    fill-rule="evenodd"
+  />
+
+  <!-- Darkening / depth overlay -->
+  <path
+    d="
+      M100,20
+      A80,80 0 1,1 99.9,20
+      M100,60
+      A40,40 0 1,0 100.1,60
+    "
+    fill="url(#darkenGradient)"
+    fill-rule="evenodd"
+  />
+
+  <!-- Inner shadow -->
+  <path
+    d="
+      M100,60
+      A40,40 0 1,0 100.1,60
+      M100,75
+      A25,25 0 1,1 99.9,75
+    "
+    fill="url(#shadowGradient)"
+    fill-rule="evenodd"
+  />
+</svg>
@@ -1,24 +1,17 @@
-use dsp_thomann::dsp408::types::DelayUnit;
-use tauri::State;
 use crate::state::{AppState, DSPDevice};
-use dsp_thomann::dsp408::{DSP408, types};
-use std::{net::IpAddr, str::FromStr};
+use dsp_thomann::dsp408::types::DelayUnit;
+use dsp_thomann::dsp408::{types, DSP408};
 use std::sync::{Arc, Mutex};
+use std::{net::IpAddr, str::FromStr};
+use tauri::State;

 impl AppState {
-    pub fn with_device_mut<F, R>(
-        &self,
-        id: u64,
-        f: F,
-    ) -> Result<R, String>
+    pub fn with_device_mut<F, R>(&self, id: u64, f: F) -> Result<R, String>
    where
        F: FnOnce(&mut DSPDevice) -> Result<R, String>,
    {
        let device = {
-            let devices = self
-                .devices
-                .lock()
-                .map_err(|e| e.to_string())?;
+            let devices = self.devices.lock().map_err(|e| e.to_string())?;

            devices
                .get(&id)
@@ -26,22 +19,14 @@ impl AppState {
                .ok_or_else(|| "DSP not found".to_string())?
        };

-        let mut device = device
-            .lock()
-            .map_err(|e| e.to_string())?;
+        let mut device = device.lock().map_err(|e| e.to_string())?;

        f(&mut device)
    }

-    pub fn remove_device(
-        &self,
-        id: u64,
-    ) -> Result<(), String> {
-
+    pub fn remove_device(&self, id: u64) -> Result<(), String> {
        let device = {
-            let mut devices = self.devices
-                .lock()
-                .map_err(|e| e.to_string())?;
+            let mut devices = self.devices.lock().map_err(|e| e.to_string())?;

            devices
                .remove(&id)
@@ -56,57 +41,48 @@ impl AppState {
    }
 }

+#[derive(serde::Serialize)]
+pub struct DSP408Snapshot {
+    pub state: types::DSPState,
+    pub input_meters: types::InputMeters,
+    pub output_meters: types::OutputMeters,
+}
+
 #[tauri::command]
 pub fn create_dsp408(
    state: State<AppState>,
    ip: String,
    port: u16,
    device_id: u8,
+    demo: bool,
 ) -> Result<u64, String> {
+    let ip = IpAddr::from_str(&ip).map_err(|e| e.to_string())?;

-    let ip = IpAddr::from_str(&ip)
-        .map_err(|e| e.to_string())?;
+    let dsp = if demo {
+        DSP408::new_demo()
+    } else {
+        DSP408::new(ip, port, device_id).map_err(|e| e.to_string())?
+    };

-    let dsp = DSP408::new(ip, port, device_id)
-        .map_err(|e| e.to_string())?;
-
-    let mut next_id = state
-        .next_id
-        .lock()
-        .map_err(|e| e.to_string())?;
+    let mut next_id = state.next_id.lock().map_err(|e| e.to_string())?;

    let id = *next_id;
    *next_id += 1;

-    let device = DSPDevice {
-        dsp,
-    };
+    let device = DSPDevice { dsp };

-    let mut devices = state
-        .devices
-        .lock()
-        .map_err(|e| e.to_string())?;
+    let mut devices = state.devices.lock().map_err(|e| e.to_string())?;

-    devices.insert(
-        id,
-        Arc::new(Mutex::new(device)),
-    );
+    devices.insert(id, Arc::new(Mutex::new(device)));

    Ok(id)
 }

 #[tauri::command]
-pub async fn remove_dsp408(
-    state: State<'_, AppState>,
-    id: u64,
-) -> Result<(), String> {
-
+pub async fn remove_dsp408(state: State<'_, AppState>, id: u64) -> Result<(), String> {
    state.with_device_mut(id, |device| {
-
        if device.dsp.connected() {
-            device.dsp
-                .disconnect()
-                .map_err(|e| e.to_string())?;
+            device.dsp.disconnect().map_err(|e| e.to_string())?;
        }

        Ok(())
@@ -118,28 +94,16 @@ pub async fn remove_dsp408(
 }

 #[tauri::command]
-pub async fn connect_dsp408(
+pub async fn get_dsp_snapshot(
    state: State<'_, AppState>,
    id: u64,
-) -> Result<(), String> {
-
+) -> Result<DSP408Snapshot, String> {
    state.with_device_mut(id, |device| {
-        device.dsp
-            .connect()
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn disconnect_dsp408(
-    state: State<'_, AppState>,
-    id: u64,
-) -> Result<(), String> {
-
-    state.with_device_mut(id, |device| {
-        device.dsp
-            .disconnect()
-            .map_err(|e| e.to_string())
+        Ok(DSP408Snapshot {
+            state: device.dsp.state().clone(),
+            input_meters: device.dsp.input_meters().clone(),
+            output_meters: device.dsp.output_meters().clone(),
+        })
    })
 }

@@ -148,64 +112,40 @@ pub async fn get_dsp_state(
    state: State<'_, AppState>,
    id: u64,
 ) -> Result<dsp_thomann::dsp408::types::DSPState, String> {
-
    state.with_device_mut(id, |device| {
-        let dsp_state = device.dsp
-            .state()
-            .map_err(|e| e.to_string())?;
+        let dsp_state = device.dsp.state();

        Ok(dsp_state.clone())
    })
 }

+// Commands
 #[tauri::command]
-pub async fn set_channel_gain(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: dsp_thomann::dsp408::types::Channel,
-    db: f32,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        let r = device.dsp
-            .set_channel_gain(channel, db)
-            .map_err(|e| e.to_string())?;
+pub async fn connect_dsp408(state: State<'_, AppState>, id: u64) -> Result<(), String> {
+    state.with_device_mut(id, |device| device.dsp.connect().map_err(|e| e.to_string()))
+}

-        Ok(r)
+// Command `0x11`
+#[tauri::command]
+pub async fn disconnect_dsp408(state: State<'_, AppState>, id: u64) -> Result<(), String> {
+    state.with_device_mut(id, |device| {
+        device.dsp.disconnect().map_err(|e| e.to_string())
    })
 }

+// Command `0x15`
 #[tauri::command]
-pub async fn set_mute(
+pub async fn set_delay_unit(
    state: State<'_, AppState>,
    id: u64,
-    channel: dsp_thomann::dsp408::types::Channel,
-    muted: bool,
+    unit: types::DelayUnit,
 ) -> Result<bool, String> {
    state.with_device_mut(id, |device| {
-        let r = device.dsp
-            .set_mute(channel, muted)
-            .map_err(|e| e.to_string())?;
-
-        Ok(r)
-    })
-}
-
-#[tauri::command]
-pub async fn set_channel_inverse_gain(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: dsp_thomann::dsp408::types::Channel,
-    inverted: bool,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        let r = device.dsp
-            .set_channel_inverse_gain(channel, inverted)
-            .map_err(|e| e.to_string())?;
-
-        Ok(r)
+        device.dsp.set_delay_unit(unit).map_err(|e| e.to_string())
    })
 }

+// Command `0x20`
 #[tauri::command]
 pub async fn recall_preset(
    state: State<'_, AppState>,
@@ -222,19 +162,35 @@ pub async fn recall_preset(
    })
 }

+// Command `0x21` -- TODO
 #[tauri::command]
-pub async fn get_meter_levels(
+pub async fn store_current_configuration(
    state: State<'_, AppState>,
    id: u64,
-) -> Result<dsp_thomann::dsp408::types::Meters, String> {
+    preset_index: usize,
+    force: bool,
+) -> Result<bool, String> {
    state.with_device_mut(id, |device| {
        device
            .dsp
-            .get_meter_levels()
+            .store_current_configuration(preset_index, force)
            .map_err(|e| e.to_string())
    })
 }

+// Command `0x23`
+#[tauri::command]
+pub async fn factory_reset(
+    state: State<'_, AppState>,
+    id: u64,
+    force: bool,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device.dsp.factory_reset(force).map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x26`
 #[tauri::command]
 pub async fn set_current_preset_name(
    state: State<'_, AppState>,
@@ -249,6 +205,278 @@ pub async fn set_current_preset_name(
    })
 }

+// Command `0x2A`
+#[tauri::command]
+pub async fn copy_channel(
+    state: State<'_, AppState>,
+    id: u64,
+    channel_1: types::Channel,
+    channel_2: types::Channel,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .copy_channel(channel_1, channel_2)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x2D` -- TODO
+#[tauri::command]
+pub async fn unlock_device(
+    state: State<'_, AppState>,
+    id: u64,
+    password: String,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .unlock_device(&password)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x2F`
+#[tauri::command]
+pub async fn lock_device(
+    state: State<'_, AppState>,
+    id: u64,
+    password: String,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .lock_device(&password)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x30`
+#[tauri::command]
+pub async fn set_compressor(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::OutputChannel,
+    ratio: types::Ratio,
+    attack: u16,
+    release: u16,
+    knee: u16,
+    threshold: f32,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_compressor(channel, ratio, attack, release, knee, threshold)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x31`
+#[tauri::command]
+pub async fn set_low_pass(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    freq: f32,
+    filter_type: types::CrossoverFilter,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_low_pass(channel, freq, filter_type)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x32`
+#[tauri::command]
+pub async fn set_high_pass(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    freq: f32,
+    filter_type: types::CrossoverFilter,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_high_pass(channel, freq, filter_type)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x33`
+#[tauri::command]
+pub async fn set_peq_band(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    band: types::PEQBand,
+    gain_db: f32,
+    freq_hz: f32,
+    q: f32,
+    filter_type: types::PEQFilter,
+    bypass: bool,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_peq_band(channel, band, gain_db, freq_hz, q, filter_type, bypass)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x34`
+#[tauri::command]
+pub async fn set_channel_gain(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: dsp_thomann::dsp408::types::Channel,
+    db: f32,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        let r = device
+            .dsp
+            .set_channel_gain(channel, db)
+            .map_err(|e| e.to_string())?;
+
+        Ok(r)
+    })
+}
+
+// Command `0x35`
+#[tauri::command]
+pub async fn set_mute(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: dsp_thomann::dsp408::types::Channel,
+    muted: bool,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        let r = device
+            .dsp
+            .set_mute(channel, muted)
+            .map_err(|e| e.to_string())?;
+
+        Ok(r)
+    })
+}
+
+// Command `0x36`
+#[tauri::command]
+pub async fn set_channel_inverse_gain(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: dsp_thomann::dsp408::types::Channel,
+    inverted: bool,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        let r = device
+            .dsp
+            .set_channel_inverse_gain(channel, inverted)
+            .map_err(|e| e.to_string())?;
+
+        Ok(r)
+    })
+}
+
+// Command `0x38`
+#[tauri::command]
+pub async fn set_delay(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    delay: f32,
+    unit: DelayUnit,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_delay(channel, delay, unit)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x39`
+#[tauri::command]
+pub async fn set_input_source(
+    state: State<'_, AppState>,
+    id: u64,
+    input_source: types::InputSource,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_input_source(input_source)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x3A`
+#[tauri::command]
+pub async fn set_matrix_routing(
+    state: State<'_, AppState>,
+    id: u64,
+    output: types::OutputChannel,
+    inputs: Vec<types::InputChannel>,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_matrix_routing(output, inputs)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x3B`
+#[tauri::command]
+pub async fn link_channels(
+    state: State<'_, AppState>,
+    id: u64,
+    source: types::Channel,
+    destinations: Vec<types::Channel>,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .link_channels(source, destinations)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x3C`
+#[tauri::command]
+pub async fn set_bypass_peq(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    bypass: bool,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_bypass_peq(channel, bypass)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x3D` -- TODO
+#[tauri::command]
+pub async fn set_channel_name(
+    state: State<'_, AppState>,
+    id: u64,
+    channel: types::Channel,
+    name: String,
+) -> Result<bool, String> {
+    state.with_device_mut(id, |device| {
+        device
+            .dsp
+            .set_channel_name(channel, &name)
+            .map_err(|e| e.to_string())
+    })
+}
+
+// Command `0x3E`
 #[tauri::command]
 pub async fn set_gate(
    state: State<'_, AppState>,
@@ -267,32 +495,7 @@ pub async fn set_gate(
    })
 }

-#[tauri::command]
-pub async fn set_compressor(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::OutputChannel,
-    ratio: types::Ratio,
-    attack: u16,
-    release: u16,
-    knee: u16,
-    threshold: f32,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_compressor(
-                channel,
-                ratio,
-                attack,
-                release,
-                knee,
-                threshold,
-            )
-            .map_err(|e| e.to_string())
-    })
-}
-
+// Command `0x3F`
 #[tauri::command]
 pub async fn set_limiter(
    state: State<'_, AppState>,
@@ -310,51 +513,18 @@ pub async fn set_limiter(
    })
 }

+// Command `0x40`
 #[tauri::command]
-pub async fn set_delay_unit(
+pub async fn get_meter_levels(
    state: State<'_, AppState>,
    id: u64,
-    unit: types::DelayUnit,
-) -> Result<bool, String> {
+) -> Result<(types::InputMeters, types::OutputMeters), String> {
    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_delay_unit(unit)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_delay(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    delay: f32,
-    unit: DelayUnit
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_delay(channel, delay, unit)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_matrix_routing(
-    state: State<'_, AppState>,
-    id: u64,
-    output: types::OutputChannel,
-    inputs: Vec<types::InputChannel>,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_matrix_routing(output, inputs)
-            .map_err(|e| e.to_string())
+        device.dsp.get_meter_levels().map_err(|e| e.to_string())
    })
 }

+// Command `0x41`
 #[tauri::command]
 pub async fn set_matrix_gain(
    state: State<'_, AppState>,
@@ -371,6 +541,7 @@ pub async fn set_matrix_gain(
    })
 }

+// Command `0x48`
 #[tauri::command]
 pub async fn set_geq_band(
    state: State<'_, AppState>,
@@ -387,6 +558,7 @@ pub async fn set_geq_band(
    })
 }

+// Command `0x49`
 #[tauri::command]
 pub async fn set_geq_bypass(
    state: State<'_, AppState>,
@@ -401,166 +573,3 @@ pub async fn set_geq_bypass(
            .map_err(|e| e.to_string())
    })
 }
-
-#[tauri::command]
-pub async fn set_low_pass(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    freq: f32,
-    filter_type: types::CrossoverFilter,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_low_pass(channel, freq, filter_type)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_high_pass(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    freq: f32,
-    filter_type: types::CrossoverFilter,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_high_pass(channel, freq, filter_type)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_peq_band(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    band: types::PEQBand,
-    gain_db: f32,
-    freq_hz: f32,
-    q: f32,
-    filter_type: types::PEQFilter,
-    bypass: bool,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_peq_band(
-                channel,
-                band,
-                gain_db,
-                freq_hz,
-                q,
-                filter_type,
-                bypass,
-            )
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn store_current_configuration(
-    state: State<'_, AppState>,
-    id: u64,
-    preset_index: usize,
-    force: bool,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .store_current_configuration(preset_index, force)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn factory_reset(
-    state: State<'_, AppState>,
-    id: u64,
-    force: bool,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .factory_reset(force)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn copy_channel(
-    state: State<'_, AppState>,
-    id: u64,
-    channel_1: types::Channel,
-    channel_2: types::Channel,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .copy_channel(channel_1, channel_2)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_input_source(
-    state: State<'_, AppState>,
-    id: u64,
-    input_source: types::InputSource,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_input_source(input_source)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn link_channels(
-    state: State<'_, AppState>,
-    id: u64,
-    source: types::Channel,
-    destinations: Vec<types::Channel>,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .link_channels(source, destinations)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_bypass_peq(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    bypass: bool,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_bypass_peq(channel, bypass)
-            .map_err(|e| e.to_string())
-    })
-}
-
-#[tauri::command]
-pub async fn set_channel_name(
-    state: State<'_, AppState>,
-    id: u64,
-    channel: types::Channel,
-    name: String,
-) -> Result<bool, String> {
-    state.with_device_mut(id, |device| {
-        device
-            .dsp
-            .set_channel_name(channel, &name)
-            .map_err(|e| e.to_string())
-    })
-}
@@ -1,5 +1,5 @@
-mod state;
 mod commands;
+mod state;

 use state::AppState;

@@ -9,42 +9,40 @@ pub fn run() {
        .plugin(tauri_plugin_opener::init())
        .manage(AppState::new())
        .invoke_handler(tauri::generate_handler![
-                commands::create_dsp408,
-                commands::remove_dsp408,
-                commands::get_dsp_state,
-
-                commands::connect_dsp408, // 0x10
-                commands::disconnect_dsp408, // 0x11
-                commands::set_delay_unit, // 0x15
-                
-                commands::recall_preset, // 0x20
-                commands::store_current_configuration,  // 0x21
-                commands::factory_reset, // 0x23
-                commands::set_current_preset_name, // 0x26
-                commands::copy_channel, // 0x2A
-
-                commands::set_compressor, // 0x30
-                commands::set_low_pass, // 0x31
-                commands::set_high_pass, // 0x32
-                commands::set_peq_band, // 0x33
-                commands::set_channel_gain, // 0x34
-                commands::set_mute, // 0x35
-                commands::set_channel_inverse_gain, // 0x36
-                commands::set_delay, // 0x38
-                commands::set_input_source, // 0x39
-                commands::set_matrix_routing, // 0x3A
-                commands::link_channels, // 0x3B
-                commands::set_bypass_peq, // 0x3C
-                commands::set_channel_name, // 0x3D
-                commands::set_gate, // 0x3E
-                commands::set_limiter, // 0x3F
-
-                commands::get_meter_levels, // 0x40
-                commands::set_matrix_gain, // 0x41
-                commands::set_geq_band, // 0x48
-                commands::set_geq_bypass, // 0x49
-            ]
-        )
+            commands::create_dsp408,
+            commands::remove_dsp408,
+            commands::get_dsp_snapshot,
+            commands::get_dsp_state,
+            commands::connect_dsp408,    // 0x10
+            commands::disconnect_dsp408, // 0x11
+            commands::set_delay_unit,    // 0x15
+            commands::recall_preset,     // 0x20
+            commands::store_current_configuration, // 0x21
+            commands::factory_reset,     // 0x23
+            commands::set_current_preset_name, // 0x26
+            commands::copy_channel,      // 0x2A
+            commands::unlock_device,     // Command `0x2D`
+            commands::lock_device,       // Command `0x2F`
+            commands::set_compressor,    // 0x30
+            commands::set_low_pass,      // 0x31
+            commands::set_high_pass,     // 0x32
+            commands::set_peq_band,      // 0x33
+            commands::set_channel_gain,  // 0x34
+            commands::set_mute,          // 0x35
+            commands::set_channel_inverse_gain, // 0x36
+            commands::set_delay,         // 0x38
+            commands::set_input_source,  // 0x39
+            commands::set_matrix_routing, // 0x3A
+            commands::link_channels,     // 0x3B
+            commands::set_bypass_peq,    // 0x3C
+            commands::set_channel_name,  // 0x3D
+            commands::set_gate,          // 0x3E
+            commands::set_limiter,       // 0x3F
+            commands::get_meter_levels,  // 0x40
+            commands::set_matrix_gain,   // 0x41
+            commands::set_geq_band,      // 0x48
+            commands::set_geq_bypass,    // 0x49
+        ])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
 }
@@ -1,6 +1,6 @@
-// Prevents additional console window on Windows in release, DO NOT REMOVE!!
-#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
-
-fn main() {
-    thomann_dsp_app_lib::run()
-}
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    thomann_dsp_app_lib::run()
+}
@@ -1,6 +1,6 @@
-use std::sync::{Mutex, Arc};
-use std::collections::HashMap;
 use dsp_thomann::dsp408::DSP408;
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};

 pub struct DSPDevice {
    pub dsp: DSP408,
@@ -18,4 +18,4 @@ impl AppState {
            next_id: Mutex::new(1),
        }
    }
-}
+}
@@ -1,37 +1,37 @@
-{
-  "$schema": "https://schema.tauri.app/config/2",
-  "productName": "thomann-dsp-app",
-  "version": "0.1.0",
-  "identifier": "com.lucas.thomann-dsp-app",
-  "build": {
-    "beforeDevCommand": "npm run dev",
-    "devUrl": "http://localhost:1420",
-    "beforeBuildCommand": "npm run build",
-    "frontendDist": "../dist"
-  },
-  "app": {
-    "windows": [
-      {
-        "title": "thomann-dsp-app",
-        "width": 1200,
-        "height": 800,
-        "minWidth": 1200,
-        "minHeight": 600
-      }
-    ],
-    "security": {
-      "csp": null
-    }
-  },
-  "bundle": {
-    "active": true,
-    "targets": "all",
-    "icon": [
-      "icons/32x32.png",
-      "icons/128x128.png",
-      "icons/128x128@2x.png",
-      "icons/icon.icns",
-      "icons/icon.ico"
-    ]
-  }
-}
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "thomann-dsp-app",
+  "version": "0.1.0",
+  "identifier": "com.lucas.thomann-dsp-app",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "Thomann DSP Controller",
+        "width": 1600,
+        "height": 950,
+        "minWidth": 1200,
+        "minHeight": 600
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "./icons/32x32.png",
+      "./icons/128x128.png",
+      "./icons/128x128@2x.png",
+      "./icons/icon.icns",
+      "./icons/icon.ico"
+    ]
+  }
+}
@@ -1,6 +1,6 @@
-import { useState, useEffect, useRef, useMemo } from 'react';
+import { useState, useEffect, useRef } from 'react';
 import './App.css';
-import { DSP, AppPage } from './types/types';
+import { DSP, AppPage, isConnected } from './types';
 import TopBar from './components/Topbar/Topbar';
 import DSPPage from './pages/DspPage/DspPage';
 import AddDSPForm from './pages/AddDspPage/AddDspPage';
@@ -17,7 +17,7 @@ function App() {
  const [selected, setSelected] = useState<number | null>(null);
  const [page, setPage] = useState<AppPage>('home');
  const { notifications, notify, removeNotification, hoverNotification } = useNotifications();
-  const connectedDspCount = dsps.filter((dsp) => dsp.status === 'connected').length;
+  const connectedDspCount = dsps.filter((dsp) => isConnected(dsp)).length;

  const activeDsp = dsps.find((d) => d.id === selected) ?? null;
  const activeInstance = activeDsp ? createDSPInstance(activeDsp, setDsps, notify) : null;
@@ -84,3 +84,152 @@ export function TextIcon({
    </svg>
  );
 }
+
+export function SlidersVerticalIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path d="M10 8H14" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M12 21V12" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M12 8V3" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+
+      <path d="M17 16H21" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M19 12V3" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M19 21V16" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+
+      <path d="M3 14H7" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M5 10V3" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+      <path d="M5 21V14" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+    </svg>
+  );
+}
+
+export function BoltIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16Z"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <circle cx="12" cy="12" r="4" stroke="currentColor" strokeWidth="2" />
+    </svg>
+  );
+}
+
+export function GainIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M3 12H7M17 12H21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <path
+        d="M7 4.5L17 12L7 19.5V4.5Z"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
+
+export function GateIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M3 3V21H21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        opacity="0.35"
+      />
+      <path
+        d="M3 21H12L20 5"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
+
+export function CompressorIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M3 3V21H21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        opacity="0.35"
+      />
+      <path
+        d="M3 21L11 13L21 8"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
+
+export function LimiterIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M3 3V21H21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        opacity="0.35"
+      />
+      <path
+        d="M3 21L11 8H21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
+
+export function DelayIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M4 5V19M12 8.5V15.5M20 11V13"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
+
+export function MatrixIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path d="M3 7C11 7 11 4 21 4" />
+      <path d="M3 7C11 7 11 20 21 20" />
+      <path d="M3 17C11 17 11 12 21 12" />
+      <circle cx="3" cy="7" r="1.6" fill="none" />
+      <circle cx="3" cy="17" r="1.6" fill="none" />
+      <circle cx="21" cy="4" r="1.6" fill="none" />
+      <circle cx="21" cy="12" r="1.6" fill="none" />
+      <circle cx="21" cy="20" r="1.6" fill="none" />
+    </svg>
+  );
+}
@@ -0,0 +1,42 @@
+export function EyeIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M2 12C2 12 5.5 5 12 5C18.5 5 22 12 22 12C22 12 18.5 19 12 19C5.5 19 2 12 2 12Z"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <circle cx="12" cy="12" r="3" stroke="currentColor" strokeWidth="2" />
+    </svg>
+  );
+}
+
+export function EyeOffIcon(props: React.SVGProps<SVGSVGElement>) {
+  return (
+    <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
+      <path
+        d="M3 3L21 21"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <path
+        d="M10.6 5.2C11.05 5.07 11.52 5 12 5C18.5 5 22 12 22 12C22 12 20.7 14.6 18.3 16.5M6.2 6.2C3.5 8.1 2 12 2 12C2 12 5.5 19 12 19C13.2 19 14.3 18.8 15.3 18.4"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <path
+        d="M9.9 9.9C9.35 10.45 9 11.2 9 12C9 13.66 10.34 15 12 15C12.8 15 13.55 14.65 14.1 14.1"
+        stroke="currentColor"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </svg>
+  );
+}
@@ -2,7 +2,7 @@ export function TriangleUpIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
      <path
-        d="M8 3L13 10H3L8 3Z"
+        d="M8 3L2 12H14L8 3Z"
        stroke="currentColor"
        strokeWidth="1.5"
        fill="transparent"
@@ -16,7 +16,7 @@ export function TriangleDownIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" {...props}>
      <path
-        d="M8 13L3 6H13L8 13Z"
+        d="M8 13L2 4H14L8 13Z"
        stroke="currentColor"
        strokeWidth="1.5"
        fill="transparent"
@@ -2,21 +2,21 @@
  display: flex;
  align-items: center;
  justify-content: center;
-
  box-sizing: border-box;

  min-height: var(--card-control-height);
-
  padding: 0 var(--space-4);

  border: var(--border-width) solid transparent;
  border-radius: var(--radius-sm);

  font-family: var(--font-ui);
-  font-size: var(--font-md);
+  font-size: 13px;
  font-weight: var(--font-weight-medium);

  cursor: pointer;
+  user-select: none;
+  -webkit-user-select: none;
 }

 .btn:disabled {
@@ -24,27 +24,54 @@
  cursor: not-allowed;
 }

+/* ------------------------------------------------------------------ */
+/* Variants                                                           */
+/* ------------------------------------------------------------------ */
+
 .btn-primary {
  background: var(--accent-brand);
  color: var(--bg-void);
 }

+/* Ghost + Toggle */
 .btn-ghost,
-.btn-toggle,
-.btn-outline {
+.btn-toggle {
  background: transparent;
  border-color: var(--border-hairline);
  color: var(--text-muted);
 }

+/* Outline */
+.btn-outline {
+  background: transparent;
+  border-color: var(--accent-brand);
+  color: #fff;
+}
+
+/* ------------------------------------------------------------------ */
+/* Hover                                                              */
+/* ------------------------------------------------------------------ */
+
+.btn-primary:hover:not(:disabled) {
+  background: color-mix(in srgb, var(--accent-brand) 95%, white);
+  color: var(--text-primary);
+}
+
 .btn-ghost:hover:not(:disabled),
-.btn-toggle:hover:not(:disabled),
-.btn-outline:hover:not(:disabled) {
+.btn-toggle:hover:not(:disabled) {
  background: var(--bg-raised);
  color: var(--text-primary);
 }

-/* Active toggle states */
+.btn-outline:hover:not(:disabled) {
+  border-color: var(--accent-brand);
+  color: var(--text-muted);
+}
+
+/* ------------------------------------------------------------------ */
+/* Active toggle states                                                */
+/* ------------------------------------------------------------------ */
+
 .btn-toggle.active-info {
  background: var(--accent-brand);
  border-color: var(--accent-brand);
@@ -63,7 +90,10 @@
  color: var(--bg-void);
 }

-/* Optional: active state hover */
+/* ------------------------------------------------------------------ */
+/* Active toggle hover                                                 */
+/* ------------------------------------------------------------------ */
+
 .btn-toggle.active-info:hover:not(:disabled) {
  background: var(--accent-brand);
  border-color: var(--accent-brand);
@@ -7,7 +7,6 @@ interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: ButtonVariant;
  children: ReactNode;
  className?: string;
-  fontSize?: number;
 }

 export default function Button({
@@ -15,7 +14,6 @@ export default function Button({
  children,
  className = '',
  disabled,
-  fontSize = 13,
  type = 'button',
  style,
  ...props
@@ -26,7 +24,6 @@ export default function Button({
      className={`btn btn-${variant} ${className}`}
      disabled={disabled}
      style={{
-        fontSize: `${fontSize}px`,
        ...style,
      }}
      {...props}
@@ -1,18 +1,21 @@
 .channel-group {
  position: relative;
-  flex: 1 1 0;
-  min-height: 0;

+  flex: 0 0 auto;
+  width: fit-content;
+  min-width: 0;
+
+  min-height: 0;
  display: flex;

  border: var(--border-width) solid var(--border-hairline);
  border-radius: var(--radius-md);
-
  padding: 6cqh var(--space-3) 1cqh;
  margin-bottom: 1cqh;
  margin-top: 1cqh;
+
  box-sizing: border-box;
-  overflow: visible; /* in case something upstream set hidden */
+  overflow: visible;
 }

 .channel-group__label {
@@ -36,6 +39,9 @@
  display: flex;
  flex-direction: row;
  align-items: stretch;
+
+  width: fit-content;
  height: 100%;
+
  gap: var(--space-1);
 }
@@ -0,0 +1,125 @@
+/* ChoiceSelect.css */
+.choice-select {
+  position: relative;
+  display: flex;
+
+  color: var(--accent-brand);
+}
+
+.choice-select[data-disabled] {
+  opacity: 0.5;
+}
+
+.choice-select__trigger {
+  flex: 1 1 auto;
+  width: 100%;
+  height: 100%;
+
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+
+  padding: 0;
+  padding-inline: 5%;
+
+  background: transparent;
+  border: var(--border-width) solid var(--border-hairline);
+  border-radius: var(--radius-sm);
+
+  font-family: var(--font-ui);
+  font-size: 90%;
+
+  color: inherit;
+
+  cursor: pointer;
+  transition: border-color var(--dur-base) var(--ease-standard);
+}
+
+.choice-select__trigger:hover,
+.choice-select__trigger--open {
+  border-color: var(--accent-brand);
+}
+
+.choice-select__trigger:disabled {
+  cursor: not-allowed;
+}
+
+.choice-select__label {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.choice-select__chevron {
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  width: 4cqh;
+  aspect-ratio: 1;
+
+  color: var(--accent-brand);
+  transition: transform var(--dur-base) var(--ease-standard);
+}
+
+.choice-select__trigger--open .choice-select__chevron {
+  transform: rotate(180deg);
+}
+
+.choice-select__chevron svg {
+  width: 50%;
+  height: auto;
+  display: block;
+}
+
+.choice-select__option {
+  padding: 1%;
+  border-radius: var(--radius-sm);
+  font-size: 100%;
+  color: var(--text-primary);
+  cursor: pointer;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.choice-select__option--highlight {
+  background: var(--bg-raised);
+}
+
+.choice-select__option--selected {
+  color: var(--accent-brand);
+  font-weight: var(--font-weight-semibold);
+}
+
+.choice-select__listbox {
+  position: absolute;
+  left: 0;
+  right: 0;
+  z-index: 40;
+
+  top: calc(100% + var(--space-1));
+
+  margin: 0;
+  padding: var(--space-1);
+  list-style: none;
+
+  background: var(--bg-panel);
+  border: var(--border-width) solid var(--border-hairline);
+  border-radius: var(--radius-sm);
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
+
+  max-height: 240px;
+  overflow-y: auto;
+}
+
+.choice-select__listbox--up {
+  top: auto;
+  bottom: calc(100% + var(--space-1));
+}
+
+.choice-select__listbox--portal {
+  position: fixed;
+  z-index: 1000; /* clear of any local stacking contexts in the panel */
+}
@@ -0,0 +1,232 @@
+// ChoiceSelect.tsx
+import { useEffect, useRef, useState } from 'react';
+import { createPortal } from 'react-dom';
+import { TriangleDownIcon } from '../../assets/icons/Triangle';
+import './ChoiceSelect.css';
+
+type ChoiceSelectProps<T extends string> = {
+  value: T;
+  options: readonly T[];
+  formatLabel?: (value: T) => string;
+  onChange: (value: T) => void;
+  id?: string;
+  disabled?: boolean;
+  className?: string;
+  style?: React.CSSProperties;
+};
+
+const LISTBOX_MAX_HEIGHT = 240; // keep in sync with .choice-select__listbox max-height
+const LISTBOX_GAP = 4; // px, ~= var(--space-1)
+
+type Coords = { top: number; left: number; width: number; fontSize: number };
+
+function ChoiceSelect<T extends string>({
+  value,
+  options,
+  formatLabel = (v) => v,
+  onChange,
+  id,
+  disabled,
+  className = '',
+  style,
+}: ChoiceSelectProps<T>) {
+  const [open, setOpen] = useState(false);
+  const [highlight, setHighlight] = useState(0);
+  const [dropUp, setDropUp] = useState(false);
+  const [coords, setCoords] = useState<Coords | null>(null);
+
+  const rootRef = useRef<HTMLDivElement>(null);
+  const triggerRef = useRef<HTMLButtonElement>(null);
+  const listboxRef = useRef<HTMLUListElement>(null);
+  const suppressNextClick = useRef(false);
+
+  useEffect(() => {
+    function handleMouseDown(e: MouseEvent) {
+      const target = e.target as Node;
+      const clickedOutside =
+        rootRef.current &&
+        !rootRef.current.contains(target) &&
+        !listboxRef.current?.contains(target);
+
+      if (clickedOutside && open) {
+        setOpen(false);
+        suppressNextClick.current = true;
+      }
+    }
+
+    function handleClickCapture(e: MouseEvent) {
+      if (suppressNextClick.current) {
+        e.preventDefault();
+        e.stopPropagation();
+        suppressNextClick.current = false;
+      }
+    }
+
+    document.addEventListener('mousedown', handleMouseDown);
+    document.addEventListener('click', handleClickCapture, true); // capture phase
+    return () => {
+      document.removeEventListener('mousedown', handleMouseDown);
+      document.removeEventListener('click', handleClickCapture, true);
+    };
+  }, [open]);
+
+  // Re-check placement/position on scroll/resize while open — the trigger's
+  // position can change (e.g. inside a scrollable panel), and since the
+  // listbox is portaled it won't move with it automatically.
+  useEffect(() => {
+    if (!open) return;
+    const recalc = () => updatePlacement();
+    window.addEventListener('scroll', recalc, true);
+    window.addEventListener('resize', recalc);
+    return () => {
+      window.removeEventListener('scroll', recalc, true);
+      window.removeEventListener('resize', recalc);
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [open]);
+
+  const step = (direction: 1 | -1) => {
+    const currentIndex = options.indexOf(value);
+    if (currentIndex === -1 || options.length === 0) return;
+    const nextIndex = (currentIndex + direction + options.length) % options.length;
+    onChange(options[nextIndex]);
+  };
+
+  function updatePlacement() {
+    const el = triggerRef.current;
+    if (!el) return;
+
+    const rect = el.getBoundingClientRect();
+    const spaceBelow = window.innerHeight - rect.bottom;
+    const spaceAbove = rect.top;
+    const needsFlip = spaceBelow < LISTBOX_MAX_HEIGHT && spaceAbove > spaceBelow;
+    setDropUp(needsFlip);
+
+    // Capture the trigger's resolved font-size (its cqh has already resolved
+    // correctly here, since it's still inside the real container tree) and
+    // carry it as a plain px value into the portal, where cqh would break.
+    const fontSize = parseFloat(getComputedStyle(el).fontSize);
+
+    setCoords({
+      top: needsFlip ? rect.top - LISTBOX_GAP : rect.bottom + LISTBOX_GAP,
+      left: rect.left,
+      width: rect.width,
+      fontSize,
+    });
+  }
+
+  function openList() {
+    if (disabled) return;
+    updatePlacement();
+    setOpen(true);
+    const idx = options.indexOf(value);
+    setHighlight(idx >= 0 ? idx : 0);
+  }
+
+  function pick(opt: T) {
+    if (opt !== value) onChange(opt);
+    setOpen(false);
+    triggerRef.current?.focus();
+  }
+
+  function handleKeyDown(e: React.KeyboardEvent) {
+    if (disabled) return;
+
+    if (!open) {
+      if (e.key === 'Enter' || e.key === ' ' || e.key === 'ArrowDown') {
+        e.preventDefault();
+        openList();
+      }
+      return;
+    }
+
+    if (e.key === 'ArrowDown' || (e.key === 'Tab' && !e.shiftKey)) {
+      e.preventDefault();
+      setHighlight((h) => Math.min(h + 1, options.length - 1));
+    } else if (e.key === 'ArrowUp' || (e.key === 'Tab' && e.shiftKey)) {
+      e.preventDefault();
+      setHighlight((h) => Math.max(h - 1, 0));
+    } else if (e.key === 'Enter' || e.key === ' ') {
+      e.preventDefault();
+      pick(options[highlight]);
+    } else if (e.key === 'Escape') {
+      e.preventDefault();
+      setOpen(false);
+      triggerRef.current?.focus();
+    }
+  }
+
+  return (
+    <div
+      className={`choice-select ${className}`}
+      data-disabled={disabled || undefined}
+      ref={rootRef}
+      style={style}
+    >
+      <button
+        id={id}
+        type="button"
+        ref={triggerRef}
+        className={'choice-select__trigger' + (open ? ' choice-select__trigger--open' : '')}
+        onClick={() => (open ? setOpen(false) : openList())}
+        onKeyDown={handleKeyDown}
+        onWheel={(e) => {
+          e.preventDefault();
+          if (disabled) return;
+          if (e.deltaY < 0) step(-1);
+          else if (e.deltaY > 0) step(1);
+        }}
+        disabled={disabled}
+        aria-haspopup="listbox"
+        aria-expanded={open}
+      >
+        <span className="choice-select__label">{formatLabel(value)}</span>
+        <span className="choice-select__chevron" aria-hidden="true">
+          <TriangleDownIcon />
+        </span>
+      </button>
+
+      {open &&
+        coords &&
+        createPortal(
+          <ul
+            ref={listboxRef}
+            className={
+              'choice-select__listbox choice-select__listbox--portal' +
+              (dropUp ? ' choice-select__listbox--up' : '')
+            }
+            role="listbox"
+            style={{
+              fontSize: coords.fontSize,
+              left: coords.left,
+              width: coords.width,
+              // dropUp needs top: auto + bottom instead, see CSS note below
+              ...(dropUp
+                ? { top: 'auto', bottom: window.innerHeight - coords.top }
+                : { top: coords.top }),
+            }}
+          >
+            {options.map((option, i) => (
+              <li
+                key={option}
+                role="option"
+                aria-selected={option === value}
+                className={
+                  'choice-select__option' +
+                  (option === value ? ' choice-select__option--selected' : '') +
+                  (i === highlight ? ' choice-select__option--highlight' : '')
+                }
+                onMouseEnter={() => setHighlight(i)}
+                onClick={() => pick(option)}
+              >
+                {formatLabel(option)}
+              </li>
+            ))}
+          </ul>,
+          document.body
+        )}
+    </div>
+  );
+}
+
+export default ChoiceSelect;
@@ -0,0 +1,92 @@
+.choice-stepper {
+  width: 100%;
+  flex: 1 1 auto;
+
+  position: relative;
+  display: flex;
+  align-items: stretch;
+
+  border: var(--border-width) solid var(--border-hairline);
+  border-radius: var(--radius-sm);
+  background: transparent;
+}
+
+.choice-stepper__input {
+  flex: 1 1 auto;
+  min-width: 0;
+  width: 100%;
+
+  font-family: var(--font-mono);
+  font-size: var(--font--sm);
+  font-weight: var(--font-weight-normal);
+  text-align: left;
+
+  color: var(--accent-brand);
+  background: transparent;
+  border: none;
+
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.choice-stepper__input:focus {
+  outline: none;
+}
+
+.choice-stepper__arrows {
+  flex: 0 0 auto;
+  align-self: stretch;
+
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+
+  height: 100%;
+  box-sizing: border-box;
+
+  padding-right: 1%;
+}
+
+.choice-stepper__arrow-btn {
+  height: 50%;
+  min-width: 0;
+  min-height: 0;
+
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  padding: 0;
+
+  color: var(--accent-brand);
+  background: transparent;
+  border: none;
+  border-radius: var(--radius-md);
+
+  cursor: pointer;
+}
+
+.choice-stepper__arrow-btn:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.choice-stepper__arrow-btn svg {
+  display: block;
+  height: 100%;
+}
+
+.choice-stepper[data-disabled] {
+  opacity: 0.45;
+  filter: grayscale(1);
+}
+
+.choice-stepper__input:disabled {
+  cursor: not-allowed;
+}
+
+.choice-stepper[data-disabled] .choice-stepper__input,
+.choice-stepper[data-disabled] .choice-stepper__arrow-btn {
+  color: var(--border-hairline);
+}
@@ -0,0 +1,427 @@
+import { JSX, useEffect, useRef, useState } from 'react';
+import Button from '../Button/Button';
+import { TriangleUpIcon, TriangleDownIcon } from '../../assets/icons/Triangle';
+import './ChoiceStepper.css';
+
+const WHEEL_COMMIT_DELAY = 250;
+// Safety net: if the parent's `value` prop never comes back exactly equal
+// to what we committed (rounding, an intermediate transform, etc.), stop
+// waiting after this long so the stepper doesn't get stuck ignoring
+// external updates.
+const PENDING_FALLBACK_MS = 1000;
+
+type CommitResult = Promise<boolean | void> | boolean | void;
+
+function useNonPassiveWheel(
+  ref: React.RefObject<HTMLElement | null>,
+  handler: (e: WheelEvent) => void
+) {
+  const handlerRef = useRef(handler);
+  handlerRef.current = handler;
+
+  useEffect(() => {
+    const el = ref.current;
+    if (!el) return;
+
+    const listener = (e: WheelEvent) => handlerRef.current(e);
+    el.addEventListener('wheel', listener, { passive: false });
+    return () => el.removeEventListener('wheel', listener);
+  }, [ref]);
+}
+
+function StepperArrows({
+  onUp,
+  onDown,
+  canUp,
+  canDown,
+  disabled,
+}: {
+  onUp: () => void;
+  onDown: () => void;
+  canUp: boolean;
+  canDown: boolean;
+  disabled?: boolean;
+}) {
+  return (
+    <div className="choice-stepper__arrows">
+      <Button
+        variant="toggle"
+        className="choice-stepper__arrow-btn"
+        onClick={onUp}
+        disabled={disabled || !canUp}
+      >
+        <TriangleUpIcon />
+      </Button>
+      <Button
+        variant="toggle"
+        className="choice-stepper__arrow-btn"
+        onClick={onDown}
+        disabled={disabled || !canDown}
+      >
+        <TriangleDownIcon />
+      </Button>
+    </div>
+  );
+}
+
+// ---- List variant ----
+
+type ChoiceStepperListProps<T> = {
+  value: T;
+  values: readonly T[];
+  formatLabel: (value: T) => string;
+  onChange: (value: T) => CommitResult;
+  id?: string;
+  disabled?: boolean;
+  className?: string;
+};
+
+function ChoiceStepperList<T>({
+  value,
+  values,
+  formatLabel,
+  onChange,
+  id,
+  disabled,
+  className,
+}: ChoiceStepperListProps<T>) {
+  const [localValue, setLocalValue] = useState(value);
+  const [text, setText] = useState(formatLabel(value));
+
+  // True from the moment a commit starts until the prop `value` we get from
+  // the parent actually reflects it (not just until onChange resolves —
+  // those are two different moments and the gap between them is what was
+  // causing the old-value blink).
+  const interacting = useRef(false);
+  // The value we're waiting to see echoed back via the `value` prop.
+  const pendingValue = useRef<T | null>(null);
+  const wheelTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const fallbackTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useNonPassiveWheel(inputRef, (e) => {
+    e.preventDefault();
+
+    if (e.deltaY < 0 && canUp) {
+      stepWheel(1);
+    } else if (e.deltaY > 0 && canDown) {
+      stepWheel(-1);
+    }
+  });
+
+  useEffect(() => {
+    if (interacting.current) {
+      // Only release control once the prop actually catches up to what we
+      // committed — otherwise keep showing localValue as-is (no flash back
+      // to the stale old value in between).
+      if (pendingValue.current !== null && Object.is(value, pendingValue.current)) {
+        interacting.current = false;
+        pendingValue.current = null;
+        if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+      } else {
+        return;
+      }
+    }
+    setLocalValue(value);
+    setText(formatLabel(value));
+  }, [value, formatLabel]);
+
+  useEffect(() => {
+    return () => {
+      if (wheelTimeout.current) clearTimeout(wheelTimeout.current);
+      if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+    };
+  }, []);
+
+  const index = values.indexOf(localValue);
+  const canUp = index === -1 || index < values.length - 1;
+  const canDown = index > 0;
+
+  const stepLocal = (direction: 1 | -1): T | null => {
+    const currentIndex = values.indexOf(localValue);
+    if (currentIndex === -1) return null;
+
+    const nextIndex = currentIndex + direction;
+    if (nextIndex < 0 || nextIndex >= values.length) return null;
+
+    const next = values[nextIndex];
+    setLocalValue(next);
+    setText(formatLabel(next));
+    return next;
+  };
+
+  async function commit(next: T) {
+    interacting.current = true;
+    pendingValue.current = next;
+
+    const result = await onChange(next);
+
+    if (result === false) {
+      interacting.current = false;
+      pendingValue.current = null;
+      if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+      setLocalValue(value);
+      setText(formatLabel(value));
+      return;
+    }
+
+    // Accepted: don't clear `interacting` here. Wait for the prop-sync
+    // effect above to see `value === next` and release it, so we never
+    // hand control back to a still-stale prop. Guard with a timeout in
+    // case it never matches exactly.
+    if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+    fallbackTimeout.current = setTimeout(() => {
+      interacting.current = false;
+      pendingValue.current = null;
+    }, PENDING_FALLBACK_MS);
+  }
+
+  const stepAndCommit = (direction: 1 | -1) => {
+    const next = stepLocal(direction);
+    if (next !== null) void commit(next);
+  };
+
+  const stepWheel = (direction: 1 | -1) => {
+    const next = stepLocal(direction);
+    if (next === null) return;
+
+    interacting.current = true;
+    if (wheelTimeout.current) clearTimeout(wheelTimeout.current);
+    wheelTimeout.current = setTimeout(() => {
+      wheelTimeout.current = null;
+      void commit(next);
+    }, WHEEL_COMMIT_DELAY);
+  };
+
+  const commitText = () => {
+    const match = values.find(
+      (v) => formatLabel(v).trim().toLowerCase() === text.trim().toLowerCase()
+    );
+    if (match !== undefined) {
+      setLocalValue(match);
+      void commit(match);
+    } else {
+      setText(formatLabel(value));
+    }
+  };
+
+  return (
+    <div className={`choice-stepper ${className ?? ''}`} data-disabled={disabled || undefined}>
+      <input
+        ref={inputRef}
+        id={id}
+        className="choice-stepper__input"
+        value={text}
+        disabled={disabled}
+        onChange={(e) => setText(e.target.value)}
+        onBlur={commitText}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter') {
+            e.currentTarget.blur();
+          } else if (e.key === 'ArrowUp') {
+            e.preventDefault();
+            interacting.current = true;
+            stepLocal(1);
+          } else if (e.key === 'ArrowDown') {
+            e.preventDefault();
+            interacting.current = true;
+            stepLocal(-1);
+          }
+        }}
+        onKeyUp={(e) => {
+          if (e.key !== 'ArrowUp' && e.key !== 'ArrowDown') return;
+          void commit(localValue);
+        }}
+      />
+      <StepperArrows
+        onUp={() => stepAndCommit(1)}
+        onDown={() => stepAndCommit(-1)}
+        canUp={canUp}
+        canDown={canDown}
+        disabled={disabled}
+      />
+    </div>
+  );
+}
+
+// ---- Range variant (concrete, no generic) ----
+
+type ChoiceStepperRangeProps = {
+  value: number;
+  min: number;
+  max: number;
+  step?: number;
+  formatLabel: (value: number) => string;
+  onChange: (value: number) => CommitResult;
+  id?: string;
+  disabled?: boolean;
+  className?: string;
+};
+
+function ChoiceStepperRange({
+  value,
+  min,
+  max,
+  step: stepSize = 1,
+  formatLabel,
+  onChange,
+  id,
+  disabled,
+  className,
+}: ChoiceStepperRangeProps) {
+  const [localValue, setLocalValue] = useState(value);
+  const [text, setText] = useState(formatLabel(value));
+
+  const interacting = useRef(false);
+  const pendingValue = useRef<number | null>(null);
+  const wheelTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const fallbackTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useNonPassiveWheel(inputRef, (e) => {
+    e.preventDefault();
+
+    if (e.deltaY < 0 && canUp) {
+      stepWheel(1);
+    } else if (e.deltaY > 0 && canDown) {
+      stepWheel(-1);
+    }
+  });
+
+  useEffect(() => {
+    if (interacting.current) {
+      if (pendingValue.current !== null && Object.is(value, pendingValue.current)) {
+        interacting.current = false;
+        pendingValue.current = null;
+        if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+      } else {
+        return;
+      }
+    }
+    setLocalValue(value);
+    setText(formatLabel(value));
+  }, [value, formatLabel]);
+
+  useEffect(() => {
+    return () => {
+      if (wheelTimeout.current) clearTimeout(wheelTimeout.current);
+      if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+    };
+  }, []);
+
+  const clamp = (n: number) => Math.min(max, Math.max(min, n));
+
+  const canUp = localValue < max;
+  const canDown = localValue > min;
+
+  const stepLocal = (direction: 1 | -1): number | null => {
+    const next = clamp(localValue + direction * stepSize);
+    if (next === localValue) return null;
+    setLocalValue(next);
+    setText(formatLabel(next));
+    return next;
+  };
+
+  async function commit(next: number) {
+    interacting.current = true;
+    pendingValue.current = next;
+
+    const result = await onChange(next);
+
+    if (result === false) {
+      interacting.current = false;
+      pendingValue.current = null;
+      if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+      setLocalValue(value);
+      setText(formatLabel(value));
+      return;
+    }
+
+    if (fallbackTimeout.current) clearTimeout(fallbackTimeout.current);
+    fallbackTimeout.current = setTimeout(() => {
+      interacting.current = false;
+      pendingValue.current = null;
+    }, PENDING_FALLBACK_MS);
+  }
+
+  const stepAndCommit = (direction: 1 | -1) => {
+    const next = stepLocal(direction);
+    if (next !== null) void commit(next);
+  };
+
+  const stepWheel = (direction: 1 | -1) => {
+    const next = stepLocal(direction);
+    if (next === null) return;
+
+    interacting.current = true;
+    if (wheelTimeout.current) clearTimeout(wheelTimeout.current);
+    wheelTimeout.current = setTimeout(() => {
+      wheelTimeout.current = null;
+      void commit(next);
+    }, WHEEL_COMMIT_DELAY);
+  };
+
+  const commitText = () => {
+    const parsed = Number(text);
+    if (Number.isFinite(parsed)) {
+      const next = clamp(parsed);
+      setLocalValue(next);
+      void commit(next);
+    } else {
+      setText(formatLabel(value));
+    }
+  };
+
+  return (
+    <div className={`choice-stepper ${className ?? ''}`} data-disabled={disabled || undefined}>
+      <input
+        ref={inputRef}
+        id={id}
+        className="choice-stepper__input"
+        value={text}
+        disabled={disabled}
+        onChange={(e) => setText(e.target.value)}
+        onBlur={commitText}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter') {
+            e.currentTarget.blur();
+          } else if (e.key === 'ArrowUp') {
+            e.preventDefault();
+            if (canUp) {
+              interacting.current = true;
+              stepLocal(1);
+            }
+          } else if (e.key === 'ArrowDown') {
+            e.preventDefault();
+            if (canDown) {
+              interacting.current = true;
+              stepLocal(-1);
+            }
+          }
+        }}
+        onKeyUp={(e) => {
+          if (e.key !== 'ArrowUp' && e.key !== 'ArrowDown') return;
+          void commit(localValue);
+        }}
+      />
+      <StepperArrows
+        onUp={() => stepAndCommit(1)}
+        onDown={() => stepAndCommit(-1)}
+        canUp={canUp}
+        canDown={canDown}
+        disabled={disabled}
+      />
+    </div>
+  );
+}
+
+function ChoiceStepper<T>(props: ChoiceStepperListProps<T>): JSX.Element;
+function ChoiceStepper(props: ChoiceStepperRangeProps): JSX.Element;
+function ChoiceStepper(props: ChoiceStepperListProps<unknown> | ChoiceStepperRangeProps) {
+  if ('values' in props) {
+    return <ChoiceStepperList {...props} />;
+  }
+  return <ChoiceStepperRange {...props} />;
+}
+
+export default ChoiceStepper;
@@ -33,7 +33,7 @@ export interface LinearGraphProps {
  yMin: number;
  yMax: number;
  yStep?: number;
-  /** 'log' requires xMin > 0. Ticks are drawn at 1/2/5-per-decade mantissas, with decade (power-of-10) lines highlighted. */
+  /** 'log' requires xMin > 0. */
  xScale?: AxisScale;
  /** 'log' requires yMin > 0. */
  yScale?: AxisScale;
@@ -55,7 +55,7 @@ export interface LinearGraphProps {
 const defaultFormat = (v: number) => {
  if (Math.abs(v) < 1e-9) return '0';
  const abs = Math.abs(v);
-  if (abs >= 1000 || abs < 0.01) return v.toExponential(1);
+  if (abs >= 100000 || abs < 0.01) return v.toExponential(1);
  return parseFloat(v.toFixed(4)).toString();
 };

@@ -150,7 +150,7 @@ export const LinearGraph = forwardRef<LinearGraphHandle, LinearGraphProps>(funct
    const topBase = cq.h * 3;
    const rightBase = cq.w * 5;
    const bottomBase = cq.h * 4;
-    const leftBase = cq.w * 2;
+    const leftBase = cq.w * 7;
    const xLabelSpace = xLabel ? cq.h * 7 : 0;
    const yLabelSpace = yLabel ? Math.min(cq.w * 6, 24) : 0;

@@ -221,7 +221,7 @@ export const LinearGraph = forwardRef<LinearGraphHandle, LinearGraphProps>(funct
    ctx.clearRect(0, 0, cssW, cssH);

    const plot = {
-      x: pad.left + cq.w * 2,
+      x: pad.left,
      y: pad.top,
      width: Math.max(1, cssW - pad.left - pad.right - cq.w * 2),
      height: Math.max(1, cssH - pad.top - pad.bottom),
@@ -271,14 +271,14 @@ export const LinearGraph = forwardRef<LinearGraphHandle, LinearGraphProps>(funct
      ctx.fillRect(plot.x, plot.y, plot.width, plot.height);
    }

-    const clipPad = 2;
+    const borderInset = 1; // Avoid clipping outside graph bounds
    ctx.save();
    ctx.beginPath();
    ctx.rect(
-      plot.x - clipPad,
-      plot.y - clipPad,
-      plot.width + clipPad * 2,
-      plot.height + clipPad * 2
+      plot.x + borderInset,
+      plot.y + borderInset,
+      plot.width - borderInset * 2,
+      plot.height - borderInset * 2
    );
    ctx.clip();

@@ -3,6 +3,9 @@
  flex-direction: column;
  align-items: left;
  gap: 0.3cqh;
+
+  user-select: none;
+  -webkit-user-select: none;
 }

 .meter-bar__title {
@@ -1,7 +1,7 @@
 .notifications {
  position: fixed;
  right: var(--space-5);
-  bottom: var(--space-5);
+  top: var(--space-5);
  z-index: 9999;

  display: flex;
@@ -1,4 +1,4 @@
-import type { Notification } from '../../types/types';
+import type { Notification } from '../../types';
 import './Notifications.css';

 type Props = {
@@ -18,6 +18,9 @@
  overflow: visible;

  transition: width var(--dur-base) var(--ease-standard);
+
+  user-select: none;
+  -webkit-user-select: none;
 }

 .sidebar-rail--expanded {
@@ -32,13 +35,14 @@
  justify-content: center;

  flex: 0 0 auto;
+  gap: var(--space-1);
  padding: var(--space-1);
  height: var(--header-height);
 }

 .sidebar-rail--expanded .sidebar-header {
  justify-content: space-between;
-  padding-inline: var(--space-3);
+  padding-left: var(--space-3);
 }

 .sidebar-toggle {
@@ -361,3 +365,54 @@
 .app-root--sidebar-expanded .stage--with-sidebar {
  margin-left: var(--sidebar-width-expanded);
 }
+
+/* ---------- Item (editing state) ---------- */
+
+.sidebar-item--editing {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: var(--sidebar-item-gap);
+
+  aspect-ratio: 1;
+  height: calc(var(--header-height) * 0.7);
+
+  border: none;
+
+  background: transparent;
+  padding: 0;
+}
+
+.sidebar-item-input {
+  width: 0;
+  flex: 1 1 auto;
+  min-width: 0;
+
+  appearance: none;
+  -webkit-appearance: none;
+  background: transparent;
+  border: none;
+  outline: none;
+  box-shadow: none;
+
+  text-align: center;
+
+  color: var(--text-primary);
+  font-family: var(--font-ui);
+  font-size: var(--font-sm);
+  font-weight: var(--font-weight-semibold);
+
+  opacity: 0;
+  max-width: 0;
+
+  transition:
+    opacity var(--dur-fast) var(--ease-standard),
+    max-width var(--dur-base) var(--ease-standard);
+}
+
+.sidebar-rail--expanded .sidebar-item-input {
+  width: auto;
+  opacity: 1;
+  max-width: 200px;
+  border: none;
+}
@@ -2,10 +2,11 @@ import { useEffect, useRef, useState } from 'react';
 import './Sidebar.css';
 import { ChevronLeftIcon } from '../../assets/icons/ChevronLeftIcon';

-export type SidebarItem = {
-  id: string;
+export type SidebarItem<T extends string = string> = {
+  id: T;
  label: string;
  icon: React.ReactNode;
+  editable?: boolean;
 };

 export type SidebarAppOption = {
@@ -13,15 +14,79 @@ export type SidebarAppOption = {
  name: string;
 };

-function SidebarButton({
+function SidebarButton<T extends string>({
  item,
  active,
  onSelect,
+  onRename,
 }: {
-  item: SidebarItem;
+  item: SidebarItem<T>;
  active: boolean;
  onSelect: () => void;
+  onRename?: (name: string) => void;
 }) {
+  const [editing, setEditing] = useState(false);
+  const [inputValue, setInputValue] = useState(item.label);
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (!editing) setInputValue(item.label);
+  }, [item.label, editing]);
+
+  function startEditing(e: React.MouseEvent) {
+    e.stopPropagation();
+    if (!onRename) return;
+
+    setInputValue(item.label);
+    setEditing(true);
+
+    requestAnimationFrame(() => {
+      inputRef.current?.focus();
+      inputRef.current?.select();
+    });
+  }
+
+  function commitRename() {
+    setEditing(false);
+
+    const trimmed = inputValue.trim();
+
+    if (!trimmed || trimmed === item.label) {
+      setInputValue(item.label);
+      return;
+    }
+
+    onRename?.(trimmed);
+  }
+
+  function handleKeyDown(e: React.KeyboardEvent) {
+    if (e.key === 'Enter') inputRef.current?.blur();
+
+    if (e.key === 'Escape') {
+      setInputValue(item.label);
+      setEditing(false);
+    }
+  }
+
+  if (editing) {
+    return (
+      <div className="sidebar-item sidebar-item--editing">
+        <span className="sidebar-icon">{item.icon}</span>
+
+        <input
+          ref={inputRef}
+          className="sidebar-item-input"
+          value={inputValue}
+          maxLength={8}
+          onChange={(e) => setInputValue(e.target.value.slice(0, 8))}
+          onBlur={commitRename}
+          onKeyDown={handleKeyDown}
+          aria-label="Rename channel"
+        />
+      </div>
+    );
+  }
+
  return (
    <button
      onClick={onSelect}
@@ -31,7 +96,14 @@ function SidebarButton({
      className={'sidebar-item' + (active ? ' sidebar-item--active' : '')}
    >
      <span className="sidebar-icon">{item.icon}</span>
-      <span className="sidebar-label">{item.label}</span>
+
+      <span
+        className="sidebar-label"
+        onDoubleClick={onRename ? startEditing : undefined}
+        title={onRename ? `${item.label} (double click to rename)` : undefined}
+      >
+        {item.label}
+      </span>
    </button>
  );
 }
@@ -46,8 +118,8 @@ function AppCombobox({
  appOptions: SidebarAppOption[];
  selectedAppId?: string;
  appName: string;
-  onAppChange?: (id: string) => void;
-  onAppRename?: (name: string) => void;
+  onAppChange: (id: string) => void;
+  onAppRename: (name: string) => void;
 }) {
  const currentOption = appOptions.find((o) => o.id === selectedAppId) ?? appOptions[0];
  const canRename = currentOption?.id !== 'f00';
@@ -95,6 +167,7 @@ function AppCombobox({

    if (!canRename) return;

+    setInputValue((currentOption?.name ?? appName).trim());
    setEditing(true);
    setOpen(false);

@@ -124,13 +197,13 @@ function AppCombobox({

    if (matched) {
      if (matched.id !== selectedAppId) {
-        onAppChange?.(matched.id);
+        onAppChange(matched.id);
      }
      return;
    }

    if (trimmed !== currentOption?.name) {
-      onAppRename?.(trimmed);
+      onAppRename(trimmed);
    }
  }

@@ -186,6 +259,7 @@ function AppCombobox({
          onKeyDown={handleKeyDown}
          aria-haspopup="listbox"
          aria-expanded={open}
+          title={canRename ? 'Double click to rename' : undefined}
        >
          <span className="sidebar-app-trigger-label">{currentOption?.name ?? appName}</span>
          <svg className="sidebar-app-trigger-caret" viewBox="0 0 24 24" width="14" height="14">
@@ -209,7 +283,8 @@ function AppCombobox({
              onMouseEnter={() => setHighlight(i)}
              onClick={() => pick(opt)}
            >
-              {opt.name}
+              <span className="sidebar-app-option-id">{opt.id + '-'}</span>
+              <span>{opt.name}</span>
            </li>
          ))}
        </ul>
@@ -218,7 +293,7 @@ function AppCombobox({
  );
 }

-export default function Sidebar({
+export function Sidebar<T extends string>({
  items,
  activeId,
  onSelect,
@@ -227,17 +302,19 @@ export default function Sidebar({
  selectedAppId,
  onAppChange,
  onAppRename,
+  onItemRename,
  expanded,
  onToggle,
 }: {
-  items: SidebarItem[];
-  activeId: string | null;
-  onSelect: (id: string) => void;
+  items: SidebarItem<T>[];
+  activeId: T | null;
+  onSelect: (id: T) => void;
  appName: string;
  appOptions?: SidebarAppOption[];
  selectedAppId?: string;
-  onAppChange?: (id: string) => void;
-  onAppRename?: (name: string) => void;
+  onAppChange: (id: string) => void;
+  onAppRename: (name: string) => void;
+  onItemRename?: (id: T, name: string) => void;
  expanded: boolean;
  onToggle: () => void;
 }) {
@@ -295,6 +372,9 @@ export default function Sidebar({
            item={item}
            active={activeId === item.id}
            onSelect={() => onSelect(item.id)}
+            onRename={
+              item.editable && onItemRename ? (name) => onItemRename(item.id, name) : undefined
+            }
          />
        ))}
      </div>
@@ -0,0 +1,33 @@
+.signal-flow {
+  width: 100%;
+  height: 100%;
+}
+
+.signal-flow__svg {
+  width: 100%;
+  height: 100%;
+  display: block;
+}
+
+.signal-flow__chain-line {
+  stroke: var(--border-hairline, #333);
+  stroke-width: 1;
+}
+
+.signal-flow__stage {
+  fill: var(--bg-void);
+  stroke: var(--border-hairline);
+  stroke-width: 1;
+  transition: fill 0.1s ease;
+}
+
+.signal-flow__stage:hover {
+  fill: var(--bg-panel);
+}
+
+.signal-flow__stage-label {
+  font-family: var(--font-ui);
+  font-size: 13px;
+  fill: var(--text-primary, #e5e7eb);
+  pointer-events: none;
+}
@@ -0,0 +1,410 @@
+import { useEffect, useMemo, useRef, useState } from 'react';
+import { InputChannel, OutputChannel } from '../../features/dsp408/types';
+import { DSP408 } from '../../types';
+import {
+  INPUT_ORDER,
+  OUTPUT_ORDER,
+  MATRIX_GAIN_MIN,
+  MATRIX_GAIN_MAX,
+  MATRIX_GAIN_STEP,
+} from '../../features/dsp408/constants';
+import { SidebarId } from '../../features/dsp408/constants';
+import './SignalFlowMatrix.css';
+
+const INPUT_SIDEBAR: Record<InputChannel, SidebarId> = {
+  InA: 'ina',
+  InB: 'inb',
+  InC: 'inc',
+  InD: 'ind',
+};
+
+const OUTPUT_SIDEBAR: Record<OutputChannel, SidebarId> = {
+  Out1: 'out1',
+  Out2: 'out2',
+  Out3: 'out3',
+  Out4: 'out4',
+  Out5: 'out5',
+  Out6: 'out6',
+  Out7: 'out7',
+  Out8: 'out8',
+};
+
+const INPUT_STAGES: {
+  key: string;
+  label: string;
+  sidebar: SidebarId | 'input';
+}[] = [
+  { key: 'gain', label: 'GAIN', sidebar: 'gain' },
+  { key: 'gate', label: 'GATE', sidebar: 'gate' },
+  { key: 'geq', label: 'GEQ', sidebar: 'geq' },
+  { key: 'peq', label: 'PEQ', sidebar: 'input' },
+  { key: 'hplp', label: 'HP/LP', sidebar: 'input' },
+  { key: 'delay', label: 'DELAY', sidebar: 'delay' },
+];
+
+const OUTPUT_STAGES: {
+  key: string;
+  label: string;
+  sidebar: SidebarId | 'output';
+}[] = [
+  { key: 'xover', label: 'XOVER', sidebar: 'output' },
+  { key: 'peq', label: 'PEQ', sidebar: 'output' },
+  { key: 'gain', label: 'GAIN', sidebar: 'gain' },
+  { key: 'compressor', label: 'COMP', sidebar: 'compressor' },
+  { key: 'limiter', label: 'LIMIT', sidebar: 'limiter' },
+  { key: 'delay', label: 'DELAY', sidebar: 'delay' },
+  { key: 'mute', label: 'MUTE', sidebar: 'output' },
+];
+
+const INPUT_COLORS = [
+  'var(--accent-a, #60a5fa)',
+  'var(--accent-b, #34d399)',
+  'var(--accent-c, #f59e0b)',
+  'var(--accent-d, #f472b6)',
+];
+
+const W = 1800;
+const H = 520;
+const MARGIN = 36;
+const LEFT_CHAIN_W = 560;
+const RIGHT_CHAIN_W = 620;
+
+// Width of the invisible "hitbox" stroke drawn under each visible line, in SVG
+// user units. Much wider than the visible 1–2.5px line so it's easy to click
+// or catch with a scroll wheel without needing pixel-perfect aim.
+const LINE_HITBOX_WIDTH = 14;
+
+// How long the gain tooltip stays visible after the last wheel tick, in ms.
+const GAIN_TOOLTIP_HOLD_MS = 700;
+
+function getRoutes(dsp: DSP408, output: OutputChannel) {
+  return dsp.state.current_config.output_states[output].matrix_routes;
+}
+function isRouted(dsp: DSP408, output: OutputChannel, input: InputChannel) {
+  return getRoutes(dsp, output).connected.includes(input);
+}
+function getGain(dsp: DSP408, output: OutputChannel, input: InputChannel) {
+  return getRoutes(dsp, output).gains[input];
+}
+
+function formatGainDb(value: number) {
+  const sign = value > 0 ? '+' : '';
+  return `${sign}${value.toFixed(1)} dB`;
+}
+
+export function useNonPassiveWheel(
+  ref: React.RefObject<Element | null>,
+  handler: (e: WheelEvent) => void
+) {
+  const handlerRef = useRef(handler);
+  handlerRef.current = handler;
+
+  useEffect(() => {
+    const el = ref.current;
+    if (!el) return;
+
+    const listener = (e: Event) => handlerRef.current(e as WheelEvent);
+    el.addEventListener('wheel', listener, { passive: false });
+    return () => el.removeEventListener('wheel', listener);
+  }, [ref]);
+}
+
+type GainTooltipState = {
+  visible: boolean;
+  x: number;
+  y: number;
+  label: string;
+};
+
+function SignalFlowMatrix({
+  dsp,
+  setMatrixRouting,
+  setMatrixGain,
+  setActiveSidebar,
+  onGainPreview,
+}: {
+  dsp: DSP408;
+  setMatrixRouting: (output: OutputChannel, inputs: InputChannel[]) => Promise<boolean>;
+  setMatrixGain: (input: InputChannel, output: OutputChannel, gain: number) => Promise<boolean>;
+  setActiveSidebar: React.Dispatch<React.SetStateAction<SidebarId>>;
+  onGainPreview: (input: InputChannel, output: OutputChannel, value: number | null) => void;
+}) {
+  const nInputs = INPUT_ORDER.length;
+  const nOutputs = OUTPUT_ORDER.length;
+
+  const usableH = H - MARGIN * 2;
+  const inputRowH = usableH / nInputs;
+  const outputRowH = usableH / nOutputs;
+
+  const inputStageW = LEFT_CHAIN_W / (INPUT_STAGES.length + 1);
+  const outputStageW = RIGHT_CHAIN_W / (OUTPUT_STAGES.length + 1);
+
+  const leftStart = MARGIN;
+  const rightStart = W - MARGIN - RIGHT_CHAIN_W;
+
+  const inputCenterY = (i: number) => MARGIN + inputRowH * (i + 0.5);
+  const outputCenterY = (j: number) => MARGIN + outputRowH * (j + 0.5);
+
+  const inputNodeX = leftStart + LEFT_CHAIN_W;
+  const outputNodeX = rightStart;
+
+  const [gainTooltip, setGainTooltip] = useState<GainTooltipState>({
+    visible: false,
+    x: 0,
+    y: 0,
+    label: '',
+  });
+  const hideTooltipTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  const WHEEL_COMMIT_DELAY = 250;
+
+  // key = `${input}-${output}`
+  const pendingGains = useRef<Map<string, number>>(new Map());
+  const commitTimers = useRef<Map<string, ReturnType<typeof setTimeout>>>(new Map());
+
+  useEffect(() => {
+    return () => {
+      if (hideTooltipTimer.current) clearTimeout(hideTooltipTimer.current);
+      commitTimers.current.forEach(clearTimeout);
+    };
+  }, []);
+
+  const handleToggle = (output: OutputChannel, input: InputChannel) => {
+    const routes = getRoutes(dsp, output);
+    const next = routes.connected.includes(input)
+      ? routes.connected.filter((c) => c !== input)
+      : [...routes.connected, input];
+    void setMatrixRouting(output, next);
+  };
+
+  const svgRef = useRef<SVGSVGElement>(null);
+
+  const handleWheelGain = (e: WheelEvent, output: OutputChannel, input: InputChannel) => {
+    e.preventDefault();
+
+    const key = `${input}-${output}`;
+    // Base on the pending value if we're mid-wheel, otherwise the real state
+    const current = pendingGains.current.get(key) ?? getGain(dsp, output, input);
+    const delta = e.deltaY < 0 ? MATRIX_GAIN_STEP : -MATRIX_GAIN_STEP;
+    const next =
+      Math.round(Math.min(MATRIX_GAIN_MAX, Math.max(MATRIX_GAIN_MIN, current + delta)) * 10) / 10;
+
+    pendingGains.current.set(key, next);
+    onGainPreview(input, output, next);
+
+    // Debounced send: only the final value goes out once the wheel pauses
+    const existing = commitTimers.current.get(key);
+    if (existing) clearTimeout(existing);
+    commitTimers.current.set(
+      key,
+      setTimeout(async () => {
+        commitTimers.current.delete(key);
+        const value = pendingGains.current.get(key);
+        if (value === undefined) return;
+        await setMatrixGain(input, output, value);
+        // Only release if the user hasn't wheeled again while we were awaiting
+        if (pendingGains.current.get(key) === value) {
+          pendingGains.current.delete(key);
+          onGainPreview(input, output, null);
+        }
+      }, WHEEL_COMMIT_DELAY)
+    );
+
+    // Tooltip (unchanged, shows the pending value)
+    if (hideTooltipTimer.current) clearTimeout(hideTooltipTimer.current);
+    setGainTooltip({ visible: true, x: e.clientX, y: e.clientY, label: formatGainDb(next) });
+    hideTooltipTimer.current = setTimeout(() => {
+      setGainTooltip((t) => ({ ...t, visible: false }));
+    }, GAIN_TOOLTIP_HOLD_MS);
+  };
+
+  useNonPassiveWheel(svgRef, (e) => {
+    const hit = (e.target as Element).closest<SVGElement>('[data-wheel-route]');
+    if (!hit) return; // not over a connected line: let the page scroll normally
+    const { input, output } = hit.dataset;
+    if (!input || !output) return;
+    handleWheelGain(e, output as OutputChannel, input as InputChannel);
+  });
+
+  const routePairs = useMemo(() => {
+    const pairs: { input: InputChannel; output: OutputChannel; i: number; j: number }[] = [];
+    OUTPUT_ORDER.forEach((output, j) => {
+      INPUT_ORDER.forEach((input, i) => pairs.push({ input, output, i, j }));
+    });
+    return pairs;
+  }, []);
+
+  // Draw dashed (unconnected) links first so connected (solid) links always
+  // paint on top of them, regardless of input/output index order. This has
+  // to be recomputed whenever routing changes, since isRouted reads live
+  // dsp state — unlike routePairs above, which is just static index pairs.
+  const orderedRoutePairs = useMemo(() => {
+    return [...routePairs].sort((a, b) => {
+      const aConnected = isRouted(dsp, a.output, a.input) ? 1 : 0;
+      const bConnected = isRouted(dsp, b.output, b.input) ? 1 : 0;
+      return aConnected - bConnected;
+    });
+  }, [routePairs, dsp]);
+
+  return (
+    <div className="signal-flow">
+      <svg
+        ref={svgRef}
+        viewBox={`0 0 ${W} ${H}`}
+        preserveAspectRatio="xMidYMid meet"
+        className="signal-flow__svg"
+      >
+        {orderedRoutePairs.map(({ input, output, i, j }) => {
+          const connected = isRouted(dsp, output, input);
+          const y1 = inputCenterY(i);
+          const y2 = outputCenterY(j);
+          const cx1 = inputNodeX + (outputNodeX - inputNodeX) * 0.4;
+          const cx2 = inputNodeX + (outputNodeX - inputNodeX) * 0.6;
+          const path = `M ${inputNodeX} ${y1} C ${cx1} ${y1}, ${cx2} ${y2}, ${outputNodeX} ${y2}`;
+          const color = INPUT_COLORS[i % INPUT_COLORS.length];
+
+          return (
+            <g key={`${input}-${output}`}>
+              {/* Invisible wide-stroke hitbox: carries the click/wheel handlers so
+                  the line is easy to grab without needing to hit the thin visible
+                  stroke exactly. Sits directly under the visible path. */}
+              <path
+                d={path}
+                fill="none"
+                stroke="transparent"
+                strokeWidth={LINE_HITBOX_WIDTH}
+                style={{ cursor: 'pointer' }}
+                onClick={() => handleToggle(output, input)}
+                data-wheel-route={connected ? '' : undefined}
+                data-input={input}
+                data-output={output}
+              />
+              {/* Visible line, purely decorative — no pointer events, so it never
+                  competes with the hitbox above for hover/click/wheel. */}
+              <path
+                d={path}
+                fill="none"
+                stroke={connected ? color : 'var(--border-hairline, #333)'}
+                strokeWidth={connected ? 2.5 : 1}
+                strokeDasharray={connected ? undefined : '4 5'}
+                opacity={connected ? 0.9 : 0.35}
+                pointerEvents="none"
+              />
+            </g>
+          );
+        })}
+
+        {INPUT_ORDER.map((input, i) => {
+          const y = inputCenterY(i);
+          const boxH = Math.min(inputRowH * 0.55, 40);
+          const name = dsp.state.current_config.input_states[input].name;
+          const boxes = [{ key: 'name', label: name, sidebar: 'input' as const }, ...INPUT_STAGES];
+          return (
+            <g key={input}>
+              {boxes.map((stage, si) => {
+                const x = leftStart + si * inputStageW;
+                const sidebarId = stage.sidebar === 'input' ? INPUT_SIDEBAR[input] : stage.sidebar;
+                return (
+                  <g
+                    key={stage.key}
+                    style={{ cursor: 'pointer' }}
+                    onClick={() => setActiveSidebar(sidebarId as SidebarId)}
+                  >
+                    <rect
+                      x={x + 3}
+                      y={y - boxH / 2}
+                      width={inputStageW - 6}
+                      height={boxH}
+                      rx={6}
+                      className="signal-flow__stage"
+                    />
+                    <text
+                      x={x + inputStageW / 2}
+                      y={y}
+                      textAnchor="middle"
+                      dominantBaseline="central"
+                      className="signal-flow__stage-label"
+                    >
+                      {si === 0 ? name : stage.label}
+                    </text>
+                  </g>
+                );
+              })}
+            </g>
+          );
+        })}
+
+        {OUTPUT_ORDER.map((output, j) => {
+          const y = outputCenterY(j);
+          const boxH = Math.min(outputRowH * 0.55, 32);
+          const name = dsp.state.current_config.output_states[output].name;
+          const boxes = [
+            ...OUTPUT_STAGES,
+            { key: 'name', label: name, sidebar: 'output' as const },
+          ];
+          return (
+            <g key={output}>
+              {boxes.map((stage, si) => {
+                const x = rightStart + si * outputStageW;
+                const sidebarId =
+                  stage.sidebar === 'output' ? OUTPUT_SIDEBAR[output] : stage.sidebar;
+                const isLast = si === boxes.length - 1;
+                return (
+                  <g
+                    key={stage.key}
+                    style={{ cursor: 'pointer' }}
+                    onClick={() => setActiveSidebar(sidebarId as SidebarId)}
+                  >
+                    <rect
+                      x={x + 3}
+                      y={y - boxH / 2}
+                      width={outputStageW - 6}
+                      height={boxH}
+                      rx={6}
+                      className="signal-flow__stage"
+                    />
+                    <text
+                      x={x + outputStageW / 2}
+                      y={y}
+                      textAnchor="middle"
+                      dominantBaseline="central"
+                      className="signal-flow__stage-label"
+                    >
+                      {isLast ? name : stage.label}
+                    </text>
+                  </g>
+                );
+              })}
+            </g>
+          );
+        })}
+      </svg>
+
+      {gainTooltip.visible && (
+        <div
+          className="signal-flow__gain-tooltip"
+          style={{
+            position: 'fixed',
+            left: gainTooltip.x + 14,
+            top: gainTooltip.y - 28,
+            pointerEvents: 'none',
+            zIndex: 50,
+            padding: '2px 8px',
+            borderRadius: 6,
+            fontSize: 12,
+            fontVariantNumeric: 'tabular-nums',
+            background: 'var(--surface-elevated, rgba(20, 20, 24, 0.92))',
+            color: 'var(--text-primary, #fff)',
+            border: '1px solid var(--border-hairline, #333)',
+            boxShadow: '0 2px 8px rgba(0,0,0,0.35)',
+            whiteSpace: 'nowrap',
+          }}
+        >
+          {gainTooltip.label}
+        </div>
+      )}
+    </div>
+  );
+}
+
+export default SignalFlowMatrix;
@@ -150,6 +150,9 @@
    (var(--space-3) * 2) + (var(--tab-height) * 0.5) + (var(--space-2) * 2) + 4ch +
      var(--tab-close-size)
  );
+
+  user-select: none;
+  -webkit-user-select: none;
 }

 .tab:hover {
@@ -1,5 +1,5 @@
 import { useEffect, useRef } from 'react';
-import { DSP, AppPage } from '../../types/types';
+import { DSP, AppPage, isConnected } from '../../types';
 import AnimatedLogo from '../../assets/icons/AnimatedLogo';
 import { PlusIcon } from '../../assets/icons/PlusIcon';
 import { CrownIcon } from '../../assets/icons/CrownIcon';
@@ -24,6 +24,7 @@ function Tab({
  onRemove,
  onConnect,
  onDisconnect,
+  actions,
 }: {
  dsp: DSP;
  active: boolean;
@@ -33,8 +34,9 @@ function Tab({
  onRemove: () => void;
  onConnect: (dsp: DSP) => void;
  onDisconnect: (dsp: DSP) => void;
+  actions?: React.ReactNode;
 }) {
-  const isConnected = dsp.status === 'connected';
+  const isDspConnected = isConnected(dsp);

  const handleTabKeyDown = (e: React.KeyboardEvent<HTMLDivElement>) => {
    if (e.key === 'Enter' || e.key === ' ') {
@@ -58,24 +60,36 @@ function Tab({
      <button
        type="button"
        className="tab-led"
-        aria-label={isConnected ? `Disconnect ${dsp.name}` : `Connect ${dsp.name}`}
+        aria-label={isDspConnected ? `Disconnect ${dsp.name}` : `Connect ${dsp.name}`}
        onClick={(e) => {
          e.stopPropagation();

-          if (isConnected) {
+          onSelect();
+
+          if (isDspConnected) {
            onDisconnect(dsp);
          } else {
            onConnect(dsp);
          }
        }}
      >
-        <Led status={dsp.status} />
+        <Led
+          status={
+            dsp.isConnecting
+              ? 'connecting'
+              : isConnected(dsp)
+                ? 'connected'
+                : 'disconnected'
+          }
+        />
      </button>

      <span className="tab-name" title={dsp.name}>
        {dsp.name}
      </span>

+      {actions}
+
      <button
        type="button"
        className="tab-close"
@@ -9,6 +9,9 @@
  align-items: center;

  box-sizing: border-box;
+
+  user-select: none;
+  -webkit-user-select: none;
 }

 .gauge-track {
@@ -58,8 +61,6 @@
  height: 100%;

  cursor: pointer;
-  touch-action: none;
-  user-select: none;
 }

 .track {
@@ -145,3 +146,26 @@
  font-family: inherit;
  color: inherit;
 }
+
+.gauge-viewport.is-disabled {
+  opacity: 0.45;
+  filter: grayscale(1);
+}
+
+.gauge-viewport.is-disabled .slider {
+  cursor: not-allowed;
+}
+
+.gauge-viewport.is-disabled .thumb {
+  border-color: var(--border-hairline);
+  box-shadow: none;
+}
+
+.gauge-viewport.is-disabled .value {
+  color: var(--border-hairline);
+  box-shadow: none;
+}
+
+.value input:disabled {
+  cursor: not-allowed;
+}
@@ -2,24 +2,45 @@ import { useEffect, useMemo, useRef, useState } from 'react';
 import './VerticalSlider.css';

 type StepFn = (value: number) => number;
+type QuantizeFn = (value: number) => number;
+type Scale = 'linear' | 'log';

 type VerticalSliderProps = {
  min: number;
  max: number;

  step?: StepFn;
+  quantize?: QuantizeFn;
+
+  /**
+   * Optional discrete value set (must be sorted ascending). When provided,
+   * this takes full precedence over `step`/`quantize`/`scale`: the slider
+   * only ever lands on entries from this array. `min`/`max` are used to
+   * slice out the applicable sub-range of `values` (e.g. per-filter-type
+   * Q ranges that all share one master Q table) — both bounds should be
+   * exact members of `values`. Thumb position and drag/keyboard/wheel
+   * navigation are index-based rather than value-based, since spacing in
+   * the array need not be uniform or log-uniform.
+   */
+  values?: readonly number[];

  value: number;
  onChange?: (value: number) => Promise<boolean>;
  onInput?: (value: number) => void;

-  unit?: string;
+  unit?: string | ((value: number) => string);
  formatValue?: (value: number, decimals: number) => string;

  showTicks?: boolean;

+  /** 'linear' (default) or 'log'. Log scale requires min > 0 and max > 0. Ignored when `values` is set. */
+  scale?: Scale;
+
  className?: string;
  style?: React.CSSProperties;
+
+  /** Greys out the slider and blocks all interaction. */
+  disabled?: boolean;
 };

 const defaultStep: StepFn = () => 0.1;
@@ -37,16 +58,126 @@ function getDecimals(n: number) {
  return i === -1 ? 0 : s.length - i - 1;
 }

+// --- scale helpers -----------------------------------------------------
+
+/** Guards against log(0) / log(negative); falls back to a tiny positive epsilon. */
+function safeLogBound(n: number) {
+  return n > 0 ? n : Number.EPSILON;
+}
+
+/** Binary search for the index of the array entry closest to v. Assumes arr is sorted ascending and non-empty. */
+function closestIndex(arr: readonly number[], v: number) {
+  let lo = 0;
+  let hi = arr.length - 1;
+  if (v <= arr[0]) return 0;
+  if (v >= arr[hi]) return hi;
+
+  while (lo < hi) {
+    const mid = (lo + hi) >> 1;
+    if (arr[mid] === v) return mid;
+    if (arr[mid] < v) lo = mid + 1;
+    else hi = mid;
+  }
+
+  const a = arr[lo - 1];
+  const b = arr[lo];
+  return v - a <= b - v ? lo - 1 : lo;
+}
+
+/** Maps a real value to a 0..1 position, honoring the chosen scale (or index position within `list`). */
+function valueToPercent(
+  v: number,
+  min: number,
+  max: number,
+  scale: Scale,
+  list: readonly number[] | null
+) {
+  if (list && list.length > 1) {
+    return closestIndex(list, v) / (list.length - 1);
+  }
+  if (scale === 'log') {
+    const logMin = Math.log(safeLogBound(min));
+    const logMax = Math.log(safeLogBound(max));
+    if (logMax === logMin) return 0;
+    const logV = Math.log(safeLogBound(v));
+    return (logV - logMin) / (logMax - logMin);
+  }
+  if (max === min) return 0;
+  return (v - min) / (max - min);
+}
+
+/** Maps a 0..1 position back to a real value, honoring the chosen scale (or nearest index within `list`). */
+function percentToValue(
+  percent: number,
+  min: number,
+  max: number,
+  scale: Scale,
+  list: readonly number[] | null
+) {
+  if (list && list.length > 1) {
+    const idx = Math.round(percent * (list.length - 1));
+    return list[Math.min(list.length - 1, Math.max(0, idx))];
+  }
+  if (scale === 'log') {
+    const logMin = Math.log(safeLogBound(min));
+    const logMax = Math.log(safeLogBound(max));
+    return Math.exp(logMin + percent * (logMax - logMin));
+  }
+  return min + percent * (max - min);
+}
+
+/**
+ * Builds a StepFn that yields roughly `points` evenly-spaced steps between
+ * `min` and `max` on a logarithmic scale — e.g. makeLogStep(19.7, 20160, 300)
+ * gives ~300 points across a 20 Hz - 20 kHz range, with step size growing
+ * proportionally to the current value (fine resolution at low frequencies,
+ * coarser at high ones — matches how the ear perceives frequency).
+ *
+ * This is an approximation used to size keyboard/wheel nudges — it does NOT
+ * guarantee landing on the same exact grid a real device would produce.
+ * Pair it with `quantize` (see makeLogQuantize) when you need the slider to
+ * always land exactly on the device's own value set.
+ */
+export function makeLogStep(min: number, max: number, points: number): StepFn {
+  const ratio = Math.pow(max / min, 1 / Math.max(1, points));
+  const stepSize = ratio - 1;
+  return (value: number) => Math.max(min, value) * stepSize;
+}
+
+/**
+ * Builds a QuantizeFn that snaps to the exact same log-spaced grid a device
+ * using a `raw` 0..points index would produce, e.g. for a frequency raw
+ * value stored as:
+ *   raw = round(log(Hz / min) / log(max / min) * points)
+ *   Hz  = min * (max / min) ** (raw / points)
+ * makeLogQuantize(19.7, 20160, 300) reproduces exactly that 301-point set
+ * (raw 0..300), so the slider only ever settles on values the device itself
+ * would encode/decode to — no drift from an approximate step size.
+ */
+export function makeLogQuantize(min: number, max: number, points: number): QuantizeFn {
+  const logRatio = Math.log(max / min);
+  return (value: number) => {
+    const v = Math.max(min, Math.min(max, value));
+    const raw = Math.round((Math.log(v / min) / logRatio) * points);
+    const clampedRaw = Math.min(points, Math.max(0, raw));
+    return min * Math.pow(max / min, clampedRaw / points);
+  };
+}
+
 export default function VerticalSlider({
  min,
  max,
  step = defaultStep,
+  quantize,
+  values,
  value,
  onChange,
  onInput,
  unit = '',
  formatValue,
  showTicks = true,
+  scale = 'linear',
+  disabled = false,
  className,
  style,
 }: VerticalSliderProps) {
@@ -60,10 +191,33 @@ export default function VerticalSlider({
  const dragging = useRef(false);
  const thumbRef = useRef<HTMLDivElement>(null);
  const keyboardEditing = useRef(false);
+  const wheelValue = useRef<number | null>(null);
+  const wheelEditing = useRef(false);
+  const wheelCommitTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
  const [tickCount, setTickCount] = useState(MIN_TICKS);

+  if (scale === 'log' && !values && (min <= 0 || max <= 0)) {
+    // eslint-disable-next-line no-console
+    console.warn(
+      'VerticalSlider: scale="log" requires min > 0 and max > 0. Falling back to linear behavior for out-of-range bounds.'
+    );
+  }
+
+  // Slice the discrete value set down to the applicable [min, max] sub-range.
+  // Falls back to the full array if the slice is empty (e.g. misconfigured bounds).
+  const listValues = useMemo(() => {
+    if (!values || values.length === 0) return null;
+    const filtered = values.filter((v) => v >= min && v <= max);
+    return filtered.length > 0 ? filtered : values;
+  }, [values, min, max]);
+
  useEffect(() => {
-    if (dragging.current || keyboardEditing.current || editingText !== null) {
+    if (
+      dragging.current ||
+      keyboardEditing.current ||
+      wheelEditing.current ||
+      editingText !== null
+    ) {
      return;
    }
    setDisplayValue(value);
@@ -90,15 +244,46 @@ export default function VerticalSlider({
    return () => observer.disconnect();
  }, []);

-  const decimals = useMemo(
-    () => Math.min(3, getDecimals(step(displayValue))),
-    [step, displayValue]
-  );
+  useEffect(() => {
+    if (!disabled) return;
+
+    dragging.current = false;
+    keyboardEditing.current = false;
+    keyboardValue.current = null;
+    wheelEditing.current = false;
+    wheelValue.current = null;
+    if (wheelCommitTimeout.current) {
+      clearTimeout(wheelCommitTimeout.current);
+      wheelCommitTimeout.current = null;
+    }
+
+    setEditingText(null);
+    setDisplayValue(value);
+    dragValue.current = value;
+    onInput?.(value);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [disabled]);
+
+  const decimals = useMemo(() => {
+    if (listValues) return Math.min(3, getDecimals(displayValue));
+    return Math.min(3, getDecimals(step(displayValue)));
+  }, [listValues, step, displayValue]);

  const formattedValue = (formatValue ?? formatValueDefault)(displayValue, decimals);

+  const displayUnit = typeof unit === 'function' ? unit(displayValue) : unit;
+
  function normalizeValue(input: number) {
    const clamped = Math.min(max, Math.max(min, input));
+
+    if (listValues) {
+      return listValues[closestIndex(listValues, clamped)];
+    }
+
+    if (quantize) {
+      return Number(Math.min(max, Math.max(min, quantize(clamped))).toFixed(6));
+    }
+
    const currentStep = step(clamped);
    const snapped = min + Math.round((clamped - min) / currentStep) * currentStep;
    return Number(Math.min(max, Math.max(min, snapped)).toFixed(6));
@@ -112,6 +297,8 @@ export default function VerticalSlider({
  }

  function handleKeyDown(e: React.KeyboardEvent<HTMLDivElement>) {
+    if (disabled) return;
+
    if (!['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight'].includes(e.key)) {
      return;
    }
@@ -119,19 +306,35 @@ export default function VerticalSlider({
    keyboardEditing.current = true;
    e.preventDefault();

-    const base = keyboardValue.current ?? value;
-    const currentStep = step(base);
+    // Base off displayValue (our own last-known-good local state), not the
+    // `value` prop: if onChange's round trip through the parent/audio engine
+    // hasn't landed yet, `value` can still be stale, which made repeated
+    // key presses appear to snap back to the pre-press position.
+    const base = keyboardValue.current ?? displayValue;

-    let next = base;
-    if (e.key === 'ArrowUp' || e.key === 'ArrowRight') next += currentStep;
-    if (e.key === 'ArrowDown' || e.key === 'ArrowLeft') next -= currentStep;
+    let next: number;
+    if (listValues) {
+      const idx = closestIndex(listValues, base);
+      let nextIdx = idx;
+      if (e.key === 'ArrowUp' || e.key === 'ArrowRight')
+        nextIdx = Math.min(listValues.length - 1, idx + 1);
+      if (e.key === 'ArrowDown' || e.key === 'ArrowLeft') nextIdx = Math.max(0, idx - 1);
+      next = listValues[nextIdx];
+    } else {
+      const currentStep = step(base);
+      next = base;
+      if (e.key === 'ArrowUp' || e.key === 'ArrowRight') next += currentStep;
+      if (e.key === 'ArrowDown' || e.key === 'ArrowLeft') next -= currentStep;
+      next = normalizeValue(next);
+    }

-    next = normalizeValue(next);
    keyboardValue.current = next;
    updateValue(next);
  }

  async function handleKeyUp() {
+    if (disabled) return;
+
    if (keyboardValue.current == null) return;

    const next = keyboardValue.current;
@@ -147,15 +350,80 @@ export default function VerticalSlider({
    }
  }

+  function handleWheel(e: WheelEvent) {
+    if (disabled) return;
+    e.preventDefault();
+
+    wheelEditing.current = true;
+
+    const base = wheelValue.current ?? displayValue;
+    // deltaY < 0 means scrolling up/away from the user — treat that as
+    // increasing the value, matching the vertical slider's "up = more".
+    const direction = e.deltaY < 0 ? 1 : -1;
+
+    let next: number;
+    if (listValues) {
+      const idx = closestIndex(listValues, base);
+      const nextIdx = Math.min(listValues.length - 1, Math.max(0, idx + direction));
+      next = listValues[nextIdx];
+    } else {
+      const currentStep = step(base);
+      next = normalizeValue(base + direction * currentStep);
+    }
+
+    wheelValue.current = next;
+    updateValue(next);
+
+    if (wheelCommitTimeout.current) clearTimeout(wheelCommitTimeout.current);
+    wheelCommitTimeout.current = setTimeout(() => {
+      void commitWheel();
+    }, 250);
+  }
+
+  async function commitWheel() {
+    if (wheelValue.current == null) return;
+
+    const next = wheelValue.current;
+    const success = await onChange?.(next);
+
+    wheelEditing.current = false;
+    wheelValue.current = null;
+
+    if (success === false) {
+      setDisplayValue(value);
+      dragValue.current = value;
+      onInput?.(value);
+    }
+  }
+
+  useEffect(() => {
+    const el = sliderRef.current;
+    if (!el) return;
+
+    // React attaches onWheel passively by default, so preventDefault()
+    // wouldn't stop the page from scrolling underneath the slider — attach
+    // natively with { passive: false } instead.
+    el.addEventListener('wheel', handleWheel, { passive: false });
+    return () => el.removeEventListener('wheel', handleWheel);
+  });
+
+  useEffect(() => {
+    return () => {
+      if (wheelCommitTimeout.current) clearTimeout(wheelCommitTimeout.current);
+    };
+  }, []);
+
  function valueFromPointer(clientY: number) {
    if (!sliderRef.current) return;
    const rect = sliderRef.current.getBoundingClientRect();
    const percent = 1 - (clientY - rect.top) / rect.height;
-    const raw = min + percent * (max - min);
+    const raw = percentToValue(percent, min, max, scale, listValues);
    updateValue(raw);
  }

  function startDrag(e: React.PointerEvent<HTMLDivElement>) {
+    if (disabled) return;
+
    const target = e.currentTarget;
    dragging.current = true;
    target.setPointerCapture(e.pointerId);
@@ -170,7 +438,10 @@ export default function VerticalSlider({
  async function endDrag(e: React.PointerEvent<HTMLDivElement>) {
    if (!dragging.current) return;

+    const target = e.currentTarget;
+    const pointerId = e.pointerId;
    const finalValue = dragValue.current;
+
    const success = await onChange?.(finalValue);

    dragging.current = false;
@@ -181,12 +452,17 @@ export default function VerticalSlider({
      onInput?.(value);
    }

-    if (e.currentTarget.hasPointerCapture(e.pointerId)) {
-      e.currentTarget.releasePointerCapture(e.pointerId);
+    if (target.hasPointerCapture(pointerId)) {
+      target.releasePointerCapture(pointerId);
    }
  }

  async function commitEditing() {
+    if (disabled) {
+      setEditingText(null);
+      return;
+    }
+
    if (editingText !== null && editingText !== '' && editingText !== '-') {
      const parsed = Number(editingText);

@@ -209,10 +485,13 @@ export default function VerticalSlider({
    setEditingText(null);
  }

-  const percent = (displayValue - min) / (max - min);
+  const percent = valueToPercent(displayValue, min, max, scale, listValues);

  return (
-    <div className={['gauge-viewport', className].filter(Boolean).join(' ')} style={style}>
+    <div
+      className={['gauge-viewport', disabled && 'is-disabled', className].filter(Boolean).join(' ')}
+      style={style}
+    >
      <div
        className={['gauge-track', !showTicks && 'no-ticks'].filter(Boolean).join(' ')}
        ref={trackRef}
@@ -228,7 +507,12 @@ export default function VerticalSlider({
        <div
          className="slider"
          ref={sliderRef}
-          tabIndex={0}
+          role="slider"
+          aria-disabled={disabled}
+          aria-valuemin={min}
+          aria-valuemax={max}
+          aria-valuenow={displayValue}
+          tabIndex={disabled ? -1 : 0}
          onKeyDown={handleKeyDown}
          onKeyUp={handleKeyUp}
          onPointerDown={startDrag}
@@ -254,6 +538,7 @@ export default function VerticalSlider({
          ref={inputRef}
          type="text"
          inputMode="decimal"
+          disabled={disabled}
          value={editingText ?? formattedValue}
          style={{ width: '100%' }}
          onFocus={() => setEditingText(value.toFixed(decimals))} // plain number while editing
@@ -267,7 +552,7 @@ export default function VerticalSlider({
            }
          }}
        />
-        {unit && <span className="value-unit">{unit}</span>}
+        {displayUnit && <span className="value-unit">{' ' + displayUnit}</span>}
      </div>
    </div>
  );
@@ -1,205 +0,0 @@
-import VerticalSlider from '../../VerticalSlider/VerticalSlider';
-import { InputChannel, Channel, OutputChannel } from '../../../types/dsp408';
-import { DSP408 as DSP } from '../../../types/types';
-import Button from '../../Button/Button';
-import ChannelGroup from '../../ChannelGroup/ChannelGroup';
-import { LinearGraph } from '../../LinearGraph/LinearGraph';
-import './GainSection.css';
-
-function GainPanel({
-  dsp,
-  channel,
-  title,
-  setGain,
-  setMute,
-  setInverse,
-}: {
-  dsp: DSP;
-  channel: Channel;
-  title: string;
-  setGain: (channel: Channel, gain: number) => Promise<boolean>;
-  setMute: (channel: Channel, muted: boolean) => Promise<boolean>;
-  setInverse: (channel: Channel, inverted: boolean) => Promise<boolean>;
-}) {
-  const channelState =
-    'Input' in channel
-      ? dsp.state?.current_config.input_states[channel.Input]
-      : dsp.state?.current_config.output_states[channel.Output];
-
-  const muted = channelState.mute;
-  const inverted = channelState.phase_inverted;
-  const gain = channelState.gain;
-
-  const toggleMute = async () => {
-    await setMute(channel, !muted);
-  };
-
-  const toggleInverse = async () => {
-    await setInverse(channel, !inverted);
-  };
-
-  return (
-    <div className="gain-panel">
-      <div className="gain-panel__title">{title}</div>
-
-      <VerticalSlider
-        min={-60}
-        max={12}
-        step={(v) => (v >= -20 ? 0.1 : 0.5)}
-        unit=" dB"
-        value={gain}
-        onChange={(value) => setGain(channel, value)}
-      />
-
-      <Button
-        variant="toggle"
-        className={muted ? 'active-danger' : ''}
-        onClick={toggleMute}
-        style={{
-          width: '85%',
-          paddingLeft: 0,
-          paddingRight: 0,
-          fontSize: '4cqh',
-          paddingTop: '2cqh',
-          paddingBottom: '2cqh',
-          minHeight: 0,
-        }}
-      >
-        {muted ? 'Muted' : 'Mute '}
-      </Button>
-      <Button
-        variant="toggle"
-        className={inverted ? 'active-warning' : ''}
-        onClick={toggleInverse}
-        style={{
-          width: '85%',
-          paddingLeft: 0,
-          paddingRight: 0,
-          fontSize: '4cqh',
-          paddingTop: '2cqh',
-          paddingBottom: '2cqh',
-          minHeight: 0,
-        }}
-      >
-        {inverted ? 'Inverted' : 'Invert'}
-      </Button>
-    </div>
-  );
-}
-
-function GainSection({
-  dsp,
-  setGain,
-  setMute,
-  setInverse,
-}: {
-  dsp: DSP;
-  setGain: (channel: Channel, gain: number) => Promise<boolean>;
-  setMute: (channel: Channel, muted: boolean) => Promise<boolean>;
-  setInverse: (channel: Channel, inverted: boolean) => Promise<boolean>;
-}) {
-  const inputs: InputChannel[] = [
-    InputChannel.InA,
-    InputChannel.InB,
-    InputChannel.InC,
-    InputChannel.InD,
-  ];
-
-  const outputs: { channel: Channel; title: string }[] = [
-    { channel: { Output: OutputChannel.Out1 }, title: 'Out 1' },
-    { channel: { Output: OutputChannel.Out2 }, title: 'Out 2' },
-    { channel: { Output: OutputChannel.Out3 }, title: 'Out 3' },
-    { channel: { Output: OutputChannel.Out4 }, title: 'Out 4' },
-    { channel: { Output: OutputChannel.Out5 }, title: 'Out 5' },
-    { channel: { Output: OutputChannel.Out6 }, title: 'Out 6' },
-    { channel: { Output: OutputChannel.Out7 }, title: 'Out 7' },
-    { channel: { Output: OutputChannel.Out8 }, title: 'Out 8' },
-  ];
-
-  return (
-    <>
-      <div className="gain-linear-graph-section">
-        <div className="gain-graph-panel">
-          <div className="gain-graph-title">Frequency Response</div>
-          <LinearGraph
-            xMin={10}
-            xMax={30000}
-            xScale="log"
-            yMin={-18}
-            yMax={18}
-            yStep={3}
-            xLabel="Hz"
-            yLabel="dB"
-            draw={({ ctx, toPx }) => {
-              ctx.strokeStyle = '#4ade80';
-              ctx.lineWidth = 2;
-              const [x0, y0] = toPx(20, 0);
-              const [x1, y1] = toPx(20000, 0);
-              ctx.beginPath();
-              ctx.moveTo(x0, y0);
-              ctx.lineTo(x1, y1);
-              ctx.stroke();
-            }}
-          />
-        </div>
-
-        <div className="gain-graph-panel">
-          <div className="gain-graph-title">Phase Response</div>
-          <LinearGraph
-            xMin={20}
-            xMax={20000}
-            yMin={-180}
-            yMax={180}
-            yStep={45}
-            xLabel="Hz"
-            yLabel="deg"
-            draw={({ ctx, toPx }) => {
-              ctx.strokeStyle = '#4ade80';
-              ctx.lineWidth = 2;
-              const [x0, y0] = toPx(20, 0);
-              const [x1, y1] = toPx(20000, 0);
-              ctx.beginPath();
-              ctx.moveTo(x0, y0);
-              ctx.lineTo(x1, y1);
-              ctx.stroke();
-            }}
-          />
-        </div>
-      </div>
-
-      <div className="gain-section">
-        <div className="gain-panels">
-          <ChannelGroup title="Input">
-            {inputs.map((channel) => (
-              <GainPanel
-                key={channel}
-                dsp={dsp}
-                channel={{ Input: channel }}
-                title={dsp.state.current_config.input_states[channel].name}
-                setGain={setGain}
-                setMute={setMute}
-                setInverse={setInverse}
-              />
-            ))}
-          </ChannelGroup>
-
-          <ChannelGroup title="Output">
-            {outputs.map(({ channel, title }) => (
-              <GainPanel
-                key={title}
-                dsp={dsp}
-                channel={channel}
-                title={title}
-                setGain={setGain}
-                setMute={setMute}
-                setInverse={setInverse}
-              />
-            ))}
-          </ChannelGroup>
-        </div>
-      </div>
-    </>
-  );
-}
-
-export default GainSection;
@@ -1,504 +0,0 @@
-// InputSection.tsx
-import VerticalSlider from '../../VerticalSlider/VerticalSlider';
-// ASSUMPTION: an InputChannel enum exists alongside OutputChannel, mapping
-// input pages 1-8 similarly (In1 -> 0, In2 -> 1, ...). Adjust import/values
-// if the actual enum differs.
-import { InputChannel, Channel, PEQBand, PEQFilter, PEQ, Meter } from '../../../types/dsp408';
-import { DSP408 as DSP } from '../../../types/types';
-import { CrossoverFilter } from '../../../types/dsp408';
-import { LinearGraph } from '../../LinearGraph/LinearGraph';
-import { useRef, useState } from 'react';
-import './InputSection.css';
-import ChannelGroup from '../../ChannelGroup/ChannelGroup';
-import Button from '../../Button/Button';
-import MeterBar from '../../MeterBar/MeterBar';
-
-const FREQ_MIN = 20;
-const FREQ_MAX = 20000;
-const FREQ_STEP = 1;
-
-const FILTER_TYPE_OPTIONS: { value: CrossoverFilter; label: string }[] = [
-  { value: CrossoverFilter.Bw6, label: 'BW-6' },
-  { value: CrossoverFilter.Bw12, label: 'BW-12' },
-  { value: CrossoverFilter.Bw18, label: 'BW-18' },
-  { value: CrossoverFilter.Bw24, label: 'BW-24' },
-  { value: CrossoverFilter.Bw30, label: 'BW-30' },
-  { value: CrossoverFilter.Bw36, label: 'BW-36' },
-  { value: CrossoverFilter.Bw42, label: 'BW-42' },
-  { value: CrossoverFilter.Bw48, label: 'BW-48' },
-  { value: CrossoverFilter.Lk12, label: 'LR-12' },
-  { value: CrossoverFilter.Lk24, label: 'LR-24' },
-  { value: CrossoverFilter.Lk36, label: 'LR-36' },
-  { value: CrossoverFilter.Lk48, label: 'LR-48' },
-];
-
-const PEQ_SLIDER_PARAMS = [
-  { key: 'frequency', label: 'Frequency', min: 19.7, max: 20160, step: 0.5, unit: ' Hz' },
-  { key: 'q', label: 'Q', min: 1, max: 999, step: 1, unit: '' },
-  { key: 'gain', label: 'Gain', min: -12, max: +12, step: 0.1, unit: ' dB' },
-] as const;
-
-type SetPEQFn = (
-  channel: Channel,
-  band: PEQBand,
-  gainDb: number,
-  freqHz: number,
-  q: number,
-  filterType: PEQFilter,
-  bypass: boolean
-) => Promise<boolean>;
-
-type PeqParamKey = 'frequency' | 'q' | 'gain';
-
-type PEQValues = {
-  frequency: number;
-  q: number;
-  gain: number;
-  filter_type: PEQFilter;
-  bypass: boolean;
-};
-
-function PeqPanelSliders({
-  channel,
-  dsp,
-  band,
-  setPEQ,
-  // onLiveValue,
-}: {
-  channel: InputChannel;
-  dsp: DSP;
-  band: PEQBand;
-  setPEQ: SetPEQFn;
-  // onLiveValue: (channel: InputChannel, key: PeqParamKey, value: number) => void;
-}) {
-  const inputState = dsp.state.current_config.input_states[channel];
-  const peq = inputState.peq_chain.bands[band] as PEQ;
-
-  const commit = (overrides: Partial<PEQValues>) => {
-    const next = { ...peq, ...overrides };
-    return setPEQ(
-      { Input: channel },
-      band,
-      next.gain,
-      next.frequency,
-      next.q,
-      next.filter_type,
-      next.bypass
-    );
-  };
-
-  return (
-    <div className="input-panel">
-      <div className="input-panel__title">{'PEQ Parameters'}</div>
-
-      <div className="input-panel__grid">
-        {PEQ_SLIDER_PARAMS.map((param) => (
-          <div className={`input-panel__cell input-panel__cell--${param.key}`} key={param.key}>
-            <VerticalSlider
-              min={param.min}
-              max={param.max}
-              step={() => param.step}
-              unit={param.unit}
-              value={peq[param.key]}
-              // onInput={(value) => onLiveValue(channel, param.key, value)}
-              onChange={(value) => commit({ [param.key]: value } as Partial<PEQValues>)}
-              style={{ width: '100%', flex: '1 1 auto' }}
-            />
-            <div className="input-panel__cell-label">{param.label}</div>
-          </div>
-        ))}
-      </div>
-    </div>
-  );
-}
-
-function CrossoverPanel({
-  channel,
-  dsp,
-  title,
-  setCrossover,
-}: {
-  channel: Channel;
-  dsp: DSP;
-  title: string;
-  setCrossover: (
-    channel: Channel,
-    frequency: number,
-    filter_type: CrossoverFilter,
-    bypass: boolean
-  ) => Promise<boolean>;
-}) {
-  const channelState =
-    'Input' in channel
-      ? dsp.state?.current_config.input_states[channel.Input]
-      : dsp.state?.current_config.output_states[channel.Output];
-
-  const crossover = channelState?.crossover;
-
-  const frequency = crossover.high_pass.frequency;
-  const filter_type = crossover.high_pass.slope;
-  const bypass = false;
-
-  const commit = (overrides: {
-    frequency?: number;
-    filter_type?: CrossoverFilter;
-    bypass?: boolean;
-  }) => {
-    const next = { frequency, filter_type, bypass, ...overrides };
-    return setCrossover(channel, next.frequency, next.filter_type, next.bypass);
-  };
-
-  return (
-    <div className="crossover-panel">
-      <div className="crossover-panel__title">{title}</div>
-
-      <VerticalSlider
-        min={20}
-        max={20000}
-        step={() => 1}
-        unit=" Hz"
-        value={frequency}
-        onChange={(value) => commit({ frequency: value })}
-        style={{ width: '100%', flex: '1 1 auto' }}
-      />
-
-      <select
-        className="crossover-panel__select"
-        value={filter_type}
-        onChange={(e) => commit({ filter_type: e.target.value as CrossoverFilter })}
-      >
-        {FILTER_TYPE_OPTIONS.map((opt) => (
-          <option key={opt.value} value={opt.value}>
-            {opt.label}
-          </option>
-        ))}
-      </select>
-
-      <Button
-        variant="toggle"
-        className={bypass ? 'active-warning' : ''}
-        onClick={() => commit({ bypass: !bypass })}
-        style={{
-          width: '85%',
-          paddingLeft: 0,
-          paddingRight: 0,
-          fontSize: '4cqh',
-          paddingTop: '2cqh',
-          paddingBottom: '2cqh',
-          minHeight: 0,
-        }}
-      >
-        {bypass ? 'Bypassed' : 'Bypass'}
-      </Button>
-    </div>
-  );
-}
-
-function GainMeterPanel({
-  dsp,
-  channel,
-  title,
-  meter,
-  setGain,
-  setMute,
-  setInverse,
-}: {
-  dsp: DSP;
-  channel: Channel;
-  title: string;
-  meter: Meter;
-  setGain: (channel: Channel, gain: number) => Promise<boolean>;
-  setMute: (channel: Channel, muted: boolean) => Promise<boolean>;
-  setInverse: (channel: Channel, inverted: boolean) => Promise<boolean>;
-}) {
-  const channelState =
-    'Input' in channel
-      ? dsp.state?.current_config.input_states[channel.Input]
-      : dsp.state?.current_config.output_states[channel.Output];
-
-  const muted = channelState?.mute ?? false;
-  const inverted = channelState?.phase_inverted ?? false;
-  const gain = channelState?.gain ?? 0;
-
-  const toggleMute = async () => {
-    await setMute(channel, !muted);
-  };
-
-  const toggleInverse = async () => {
-    await setInverse(channel, !inverted);
-  };
-
-  return (
-    <div className="gain-meter-panel">
-      <div className="gain-meter-panel__title">{title}</div>
-
-      <div className="gain-meter-panel__grid">
-        <div className="gain-meter-panel__cell gain-meter-panel__cell--slider">
-          <VerticalSlider
-            min={-60}
-            max={12}
-            step={(v) => (v >= -20 ? 0.1 : 0.5)}
-            unit=" dB"
-            value={gain}
-            onChange={(value) => setGain(channel, value)}
-            style={{ width: '100%', height: '100%' }}
-          />
-        </div>
-
-        <div className="gain-meter-panel__cell gain-meter-panel__cell--meter">
-          <MeterBar label="" meter={meter} />
-        </div>
-
-        <div className="gain-meter-panel__cell gain-meter-panel__cell--btn">
-          <Button
-            variant="toggle"
-            className={inverted ? 'active-warning' : ''}
-            onClick={toggleInverse}
-            style={{
-              width: '100%',
-              paddingLeft: 0,
-              paddingRight: 0,
-              fontSize: '3.5cqh',
-              paddingTop: '1cqh',
-              paddingBottom: '1cqh',
-              minHeight: 0,
-            }}
-          >
-            {inverted ? 'Inverted' : 'Invert'}
-          </Button>
-        </div>
-
-        <div className="gain-meter-panel__cell gain-meter-panel__cell--btn">
-          <Button
-            variant="toggle"
-            className={muted ? 'active-danger' : ''}
-            onClick={toggleMute}
-            style={{
-              width: '100%',
-              paddingLeft: 0,
-              paddingRight: 0,
-              fontSize: '3.5cqh',
-              paddingTop: '1cqh',
-              paddingBottom: '1cqh',
-              minHeight: 0,
-            }}
-          >
-            {muted ? 'Muted' : 'Mute'}
-          </Button>
-        </div>
-      </div>
-    </div>
-  );
-}
-
-type SetFilterFn = (
-  channel: Channel,
-  freq: number,
-  filterType: CrossoverFilter
-) => Promise<boolean>;
-
-type setPeqBandFn = (
-  channel: Channel,
-  band: PEQBand,
-  gainDb: number,
-  freqHz: number,
-  q: number,
-  filterType: PEQFilter,
-  bypass: boolean
-) => Promise<boolean>;
-
-function InputSection({
-  dsp,
-  channel,
-  set_high_pass: setHighPass,
-  set_low_pass,
-  setPeq,
-  // setPeqBypass,
-  setGain,
-  setMute,
-  setInverse,
-}: {
-  dsp: DSP;
-  channel: InputChannel;
-  set_high_pass: SetFilterFn;
-  set_low_pass: SetFilterFn;
-  setPeq: setPeqBandFn;
-  // setPeqBypass;
-  setGain: (channel: Channel, gain: number) => Promise<boolean>;
-  setMute: (channel: Channel, muted: boolean) => Promise<boolean>;
-  setInverse: (channel: Channel, inverted: boolean) => Promise<boolean>;
-}) {
-  const [activeBand, setActiveBand] = useState<PEQBand>(PEQBand.B1);
-
-  const [liveHpFreq, setLiveHpFreq] = useState<number>(19.7);
-  const [liveLpFreq, setLiveLpFreq] = useState<number>(20.16);
-  const [livePeq, setLivePeq] = useState<Partial<Record<PEQBand, PEQValues>>>({});
-
-  const inputState = dsp.state.current_config.input_states[channel];
-
-  const hp = inputState.crossover.high_pass;
-  const lp = inputState.crossover.low_pass;
-  const activePeq = livePeq[activeBand] ?? (inputState.peq_chain.bands[activeBand] as PEQValues);
-
-  const bypassed = hp.slope === CrossoverFilter.Bypass;
-  const activeFilterType = bypassed && lp.slope !== CrossoverFilter.Bypass ? lp.slope : hp.slope;
-
-  // Remembers the last non-bypass slope so the Bypass button can restore it.
-  // const lastNonBypassType = useRef<CrossoverFilter>(
-  //   activeFilterType === CrossoverFilter.Bypass ? DEFAULT_FILTER_TYPE : activeFilterType
-  // );
-  // if (activeFilterType !== CrossoverFilter.Bypass) {
-  //   lastNonBypassType.current = activeFilterType;
-  // }
-
-  const hpFreq = liveHpFreq ?? hp.frequency;
-  const lpFreq = liveLpFreq ?? lp.frequency;
-
-  // const commitHighPass = async (freq: number, filterType: CrossoverFilter) => {
-  //   const success = await set_high_pass({ Input: channel }, freq, filterType);
-  //   if (success) setLiveHpFreq(null);
-  //   return success;
-  // };
-
-  // const commitLowPass = async (freq: number, filterType: CrossoverFilter) => {
-  //   const success = await set_low_pass({ Input: channel }, freq, filterType);
-  //   if (success) setLiveLpFreq(null);
-  //   return success;
-  // };
-
-  // const handleFilterTypeChange = (filterType: CrossoverFilter) => {
-  //   // Applying a slope change always takes the crossover out of bypass.
-  //   void commitHighPass(hpFreq, filterType);
-  //   void commitLowPass(lpFreq, filterType);
-  // };
-
-  // const handleBypassToggle = () => {
-  //   if (bypassed) {
-  //     const restore = lastNonBypassType.current;
-  //     void commitHighPass(hpFreq, restore);
-  //     void commitLowPass(lpFreq, restore);
-  //   } else {
-  //     void commitHighPass(hpFreq, CrossoverFilter.Bypass);
-  //     void commitLowPass(lpFreq, CrossoverFilter.Bypass);
-  //   }
-  // };
-
-  return (
-    <>
-      <div className="input-graph-section">
-        <div className="input-graph-panel">
-          <div className="input-graph__title">{inputState.name} - Filters</div>
-
-          {/* TODO: draw HP/LP transfer curves here once filter math is defined,
-              same pattern as LimiterSection's `draw` prop. */}
-          <LinearGraph
-            xMin={20}
-            xMax={20000}
-            yMin={-30}
-            yMax={6}
-            xLabel="Hz"
-            yLabel="dB"
-            formatX={(v) => Math.round(v).toString()}
-            formatY={(v) => Math.round(v).toString()}
-            draw={() => {}}
-          />
-        </div>
-      </div>
-
-      <div className="input-control-section">
-        <div className="input-control-panel">
-          <ChannelGroup title="PEQ">
-            <PeqPanelSliders channel={channel} dsp={dsp} band={PEQBand.B1} setPEQ={setPeq} />
-          </ChannelGroup>
-
-          <ChannelGroup title="CrossOver">
-            <CrossoverPanel
-              channel={{ Input: channel }}
-              dsp={dsp}
-              title="LowPass"
-              setCrossover={setHighPass}
-            />
-            <CrossoverPanel
-              channel={{ Input: channel }}
-              dsp={dsp}
-              title="HighPass"
-              setCrossover={setHighPass}
-            />
-          </ChannelGroup>
-
-          <ChannelGroup title="Gain">
-            <GainMeterPanel
-              dsp={dsp}
-              channel={{ Input: channel }}
-              title={dsp.state.current_config.input_states.InA.name}
-              meter={dsp.meters.channels[0]}
-              setGain={setGain}
-              setMute={setMute}
-              setInverse={setInverse}
-            />
-          </ChannelGroup>
-          {/* <div className="input-control-panel__sliders">
-            <div className="input-control-panel__cell input-control-panel__cell--high-pass">
-              <VerticalSlider
-                min={FREQ_MIN}
-                max={FREQ_MAX}
-                step={FREQ_STEP}
-                unit=" Hz"
-                value={hpFreq}
-                // disabled={bypassed}
-                onInput={(value) => setLiveHpFreq(value)}
-                onChange={(value) => commitHighPass(value, activeFilterType)}
-                style={{ width: '100%', flex: '1 1 auto' }}
-              />
-              <div className="input-control-panel__cell-label">High Pass</div>
-            </div>
-
-            <div className="input-control-panel__cell input-control-panel__cell--low-pass">
-              <VerticalSlider
-                min={FREQ_MIN}
-                max={FREQ_MAX}
-                step={FREQ_STEP}
-                unit=" Hz"
-                value={lpFreq}
-                // disabled={bypassed}
-                onInput={(value) => setLiveLpFreq(value)}
-                onChange={(value) => commitLowPass(value, activeFilterType)}
-                style={{ width: '100%', flex: '1 1 auto' }}
-              />
-              <div className="input-control-panel__cell-label">Low Pass</div>
-            </div>
-          </div>
-
-          <div className="input-control-panel__side">
-            <label className="input-control-panel__select">
-              <span className="input-control-panel__select-label">Filter Type</span>
-              <select
-                value={activeFilterType}
-                disabled={bypassed}
-                onChange={(e) => handleFilterTypeChange(e.target.value as CrossoverFilter)}
-              >
-                {FILTER_TYPE_OPTIONS.map((opt) => (
-                  <option key={opt.value} value={opt.value}>
-                    {opt.label}
-                  </option>
-                ))}
-              </select>
-            </label>
-
-            <button
-              type="button"
-              className={`input-control-panel__bypass-btn${
-                bypassed ? ' input-control-panel__bypass-btn--active' : ''
-              }`}
-              onClick={handleBypassToggle}
-            >
-              {bypassed ? 'Bypassed' : 'Bypass'}
-            </button>
-          </div> */}
-        </div>
-      </div>
-    </>
-  );
-}
-
-export default InputSection;
@@ -1,171 +0,0 @@
-.matrix-section {
-  container-type: size;
-  position: absolute;
-  left: 0;
-  right: 0;
-  bottom: 0;
-
-  height: var(--dsp-control-heigth);
-
-  display: flex;
-  align-items: stretch;
-  justify-content: center;
-
-  box-sizing: border-box;
-
-  background: var(--bg-panel);
-
-  z-index: 20;
-
-  border-top: var(--border-width) solid var(--border-hairline);
-}
-
-/* ---------- Placeholder graph area (top) ---------- */
-/* Intentionally minimal for now — see chat for ideas on what belongs here. */
-
-.matrix-graph-section {
-  flex: 0 0 calc(100% - var(--dsp-control-heigth));
-  min-height: 0;
-
-  display: flex;
-  flex-direction: row;
-  gap: 1cqh;
-  padding: 0.5cqh;
-
-  box-sizing: border-box;
-  background: var(--bg-panel);
-}
-
-.matrix-graph-panel {
-  flex: 1 1 auto;
-  min-width: 0;
-  min-height: 0;
-
-  display: flex;
-  align-items: center;
-  justify-content: center;
-
-  border: var(--border-width) dashed var(--border-hairline);
-  border-radius: var(--radius-md);
-
-  font-family: var(--font-ui);
-  font-size: var(--font-xs);
-  color: var(--text-muted);
-}
-
-/* ---------- Matrix grid (bottom) ---------- */
-
-.matrix-grid-panel {
-  flex: 1 1 auto;
-  min-width: 0;
-
-  display: flex;
-  flex-direction: column;
-
-  padding: var(--space-2);
-  box-sizing: border-box;
-
-  overflow: auto;
-}
-
-.matrix-grid {
-  display: grid;
-  /* 1 corner cell + 1 column per input */
-  grid-template-columns: minmax(8ch, 12cqh) repeat(var(--matrix-input-count, 4), minmax(9cqh, 1fr));
-  /* 1 header row + 1 row per output */
-  grid-auto-rows: minmax(6cqh, 1fr);
-
-  gap: var(--border-width);
-  background: var(--border-hairline);
-
-  border: var(--border-width) solid var(--border-hairline);
-  border-radius: var(--radius-md);
-  overflow: hidden;
-}
-
-.matrix-grid__corner,
-.matrix-grid__col-header,
-.matrix-grid__row-header {
-  background: var(--bg-void);
-  font-family: var(--font-ui);
-  font-weight: var(--font-weight-semibold);
-  color: var(--text-muted);
-
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  text-align: center;
-
-  font-size: 2.5cqh;
-  padding: 0.5cqh;
-
-  min-width: 0;
-  min-height: 0;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
-.matrix-grid__row-header {
-  justify-content: flex-start;
-  padding-left: 1cqh;
-}
-
-.matrix-cell {
-  position: relative;
-
-  background: var(--bg-panel);
-
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  gap: 0.5cqh;
-
-  min-width: 0;
-  min-height: 0;
-
-  border: none;
-  cursor: pointer;
-  -webkit-user-select: none;
-  user-select: none;
-  touch-action: none;
-}
-
-.matrix-cell:focus-visible {
-  outline: 2px solid var(--accent-brand);
-  outline-offset: -2px;
-}
-
-.matrix-cell--off {
-  color: var(--text-muted);
-}
-
-.matrix-cell--off .matrix-cell__dot {
-  width: 0.8cqh;
-  height: 0.8cqh;
-  border-radius: 50%;
-  background: currentColor;
-  opacity: 0.35;
-}
-
-.matrix-cell--on {
-  background: color-mix(in srgb, var(--accent-brand) 14%, var(--bg-panel));
-  color: var(--accent-brand);
-}
-
-.matrix-cell--dragging {
-  background: color-mix(in srgb, var(--accent-brand) 26%, var(--bg-panel));
-}
-
-.matrix-cell__gain {
-  font-size: 2.6cqh;
-  font-weight: var(--font-weight-semibold);
-  font-family: var(--font-ui);
-  white-space: nowrap;
-}
-
-.matrix-cell__link-icon {
-  width: 2.2cqh;
-  height: 2.2cqh;
-}
@@ -1,257 +0,0 @@
-// MatrixSection.tsx
-import { Fragment, useRef, useState } from 'react';
-import { InputChannel, OutputChannel } from '../../../types/dsp408';
-import { DSP408 as DSP } from '../../../types/types';
-import './MatrixSection.css';
-
-// ASSUMPTION: an InputChannel enum exists alongside OutputChannel in
-// dsp408State, e.g. In1..In4. Adjust the import/labels below if the real
-// enum differs.
-const INPUTS: InputChannel[] = [
-  InputChannel.InA,
-  InputChannel.InB,
-  InputChannel.InC,
-  InputChannel.InD,
-];
-
-const OUTPUTS: OutputChannel[] = [
-  OutputChannel.Out1,
-  OutputChannel.Out2,
-  OutputChannel.Out3,
-  OutputChannel.Out4,
-  OutputChannel.Out5,
-  OutputChannel.Out6,
-  OutputChannel.Out7,
-  OutputChannel.Out8,
-];
-
-const INPUT_LABEL: Record<InputChannel, string> = {
-  [InputChannel.InA]: 'In 1',
-  [InputChannel.InB]: 'In 2',
-  [InputChannel.InC]: 'In 3',
-  [InputChannel.InD]: 'In 4',
-};
-
-const GAIN_MIN = -60;
-const GAIN_MAX = 12;
-const GAIN_DEFAULT = 0; // gain a link is set to the moment it's first routed
-const GAIN_STEP = 0.5; // wheel / arrow-key nudge
-const DRAG_PX_PER_DB = 4; // vertical drag sensitivity
-
-function clampGain(v: number) {
-  return Math.min(GAIN_MAX, Math.max(GAIN_MIN, v));
-}
-
-function formatGain(v: number) {
-  return `${v > 0 ? '+' : ''}${v.toFixed(1)}`;
-}
-
-// ASSUMPTION: each output tracks which inputs are currently routed to it
-// (output_states[out].matrix_inputs: InputChannel[]) and the last-known gain
-// per input (output_states[out].matrix_gains: Partial<Record<InputChannel,
-// number>>, in dB, kept around even if the link is later removed so it can
-// be restored). Adjust these two accessors if the real shape differs —
-// everything else only depends on the two functions below.
-type MatrixOutputState = {
-  matrix_inputs?: InputChannel[];
-  matrix_gains?: Partial<Record<InputChannel, number>>;
-};
-
-function isRouted(dsp: DSP, output: OutputChannel, input: InputChannel): boolean {
-  const state = dsp.state.current_config.output_states[output] as unknown as MatrixOutputState;
-  return state.matrix_inputs?.includes(input) ?? false;
-}
-
-function getLinkGain(dsp: DSP, output: OutputChannel, input: InputChannel): number {
-  const state = dsp.state.current_config.output_states[output] as unknown as MatrixOutputState;
-  return state.matrix_gains?.[input] ?? GAIN_DEFAULT;
-}
-
-function getRoutedInputs(dsp: DSP, output: OutputChannel): InputChannel[] {
-  const state = dsp.state.current_config.output_states[output] as unknown as MatrixOutputState;
-  return state.matrix_inputs ?? [];
-}
-
-function MatrixCell({
-  output,
-  input,
-  connected,
-  gain,
-  onToggle,
-  onGainChange,
-}: {
-  output: OutputChannel;
-  input: InputChannel;
-  connected: boolean;
-  gain: number;
-  onToggle: () => void;
-  onGainChange: (gain: number) => void;
-}) {
-  const [liveGain, setLiveGain] = useState<number | null>(null);
-  const [dragging, setDragging] = useState(false);
-  const dragStart = useRef<{ y: number; base: number } | null>(null);
-
-  const displayGain = liveGain ?? gain;
-
-  const handlePointerDown = (e: React.PointerEvent) => {
-    if (!connected) return; // plain click on an off cell just routes it (see onClick)
-    e.currentTarget.setPointerCapture(e.pointerId);
-    dragStart.current = { y: e.clientY, base: gain };
-    setDragging(true);
-  };
-
-  const handlePointerMove = (e: React.PointerEvent) => {
-    if (!dragStart.current) return;
-    const deltaPx = dragStart.current.y - e.clientY; // up = louder
-    const next = clampGain(dragStart.current.base + deltaPx / DRAG_PX_PER_DB);
-    setLiveGain(next);
-  };
-
-  const endDrag = () => {
-    if (dragStart.current && liveGain !== null) {
-      onGainChange(liveGain);
-    }
-    dragStart.current = null;
-    setDragging(false);
-    setLiveGain(null);
-  };
-
-  const handleWheel = (e: React.WheelEvent) => {
-    if (!connected) return;
-    e.preventDefault();
-    onGainChange(clampGain(gain + (e.deltaY < 0 ? GAIN_STEP : -GAIN_STEP)));
-  };
-
-  const handleKeyDown = (e: React.KeyboardEvent) => {
-    if (e.key === 'Enter' || e.key === ' ') {
-      e.preventDefault();
-      onToggle();
-    } else if (connected && (e.key === 'ArrowUp' || e.key === 'ArrowDown')) {
-      e.preventDefault();
-      const dir = e.key === 'ArrowUp' ? 1 : -1;
-      onGainChange(clampGain(gain + dir * GAIN_STEP));
-    } else if (connected && (e.key === 'Backspace' || e.key === 'Delete')) {
-      e.preventDefault();
-      onToggle();
-    }
-  };
-
-  return (
-    <div
-      role="button"
-      tabIndex={0}
-      aria-pressed={connected}
-      aria-label={`${INPUT_LABEL[input]} to ${String(output)}${
-        connected ? `, ${formatGain(displayGain)} dB` : ', not routed'
-      }`}
-      className={[
-        'matrix-cell',
-        connected ? 'matrix-cell--on' : 'matrix-cell--off',
-        dragging ? 'matrix-cell--dragging' : '',
-      ]
-        .filter(Boolean)
-        .join(' ')}
-      onClick={connected ? undefined : onToggle}
-      onDoubleClick={connected ? onToggle : undefined}
-      onPointerDown={handlePointerDown}
-      onPointerMove={handlePointerMove}
-      onPointerUp={endDrag}
-      onPointerCancel={endDrag}
-      onWheel={handleWheel}
-      onKeyDown={handleKeyDown}
-      title={
-        connected
-          ? `${formatGain(displayGain)} dB — drag/scroll to adjust, double-click to remove`
-          : 'Click to route'
-      }
-    >
-      {connected ? (
-        <span className="matrix-cell__gain">{formatGain(displayGain)}</span>
-      ) : (
-        <span className="matrix-cell__dot" />
-      )}
-    </div>
-  );
-}
-
-function MatrixSection({
-  dsp,
-  setMatrixRouting,
-  setMatrixGain,
-}: {
-  dsp: DSP;
-  setMatrixRouting: (output: OutputChannel, inputs: InputChannel[]) => Promise<boolean>;
-  setMatrixGain: (
-    inputChannel: InputChannel,
-    outputChannel: OutputChannel,
-    gain: number
-  ) => Promise<boolean>;
-}) {
-  // Toggling a cell sends the *whole* next input list for that output —
-  // setMatrixRouting replaces, it doesn't add/remove a single link.
-  const handleToggle = (output: OutputChannel, input: InputChannel) => {
-    const current = getRoutedInputs(dsp, output);
-    const nowConnecting = !current.includes(input);
-    const next = nowConnecting ? [...current, input] : current.filter((i) => i !== input);
-
-    void setMatrixRouting(output, next).then((ok) => {
-      // Give a freshly-connected link a defined starting gain rather than
-      // leaving it at whatever stale value the backend last had for it.
-      if (ok && nowConnecting) {
-        void setMatrixGain(input, output, GAIN_DEFAULT);
-      }
-    });
-  };
-
-  const handleGainChange = (output: OutputChannel, input: InputChannel, gain: number) => {
-    void setMatrixGain(input, output, gain);
-  };
-
-  return (
-    <>
-      <div className="matrix-graph-section">
-        <div className="matrix-graph-panel">Routing overview — see chat for ideas</div>
-      </div>
-
-      <div className="matrix-section">
-        <div
-          className="matrix-grid-panel"
-          style={{ ['--matrix-input-count' as string]: INPUTS.length }}
-        >
-          <div className="matrix-grid">
-            <div className="matrix-grid__corner" />
-            {INPUTS.map((input) => (
-              <div className="matrix-grid__col-header" key={String(input)}>
-                {INPUT_LABEL[input]}
-              </div>
-            ))}
-
-            {OUTPUTS.map((output) => (
-              <Fragment key={String(output)}>
-                <div className="matrix-grid__row-header">
-                  {dsp.state.current_config.output_states[output].name}
-                </div>
-                {INPUTS.map((input) => {
-                  const connected = isRouted(dsp, output, input);
-                  return (
-                    <MatrixCell
-                      key={`${String(output)}-${String(input)}`}
-                      output={output}
-                      input={input}
-                      connected={connected}
-                      gain={getLinkGain(dsp, output, input)}
-                      onToggle={() => handleToggle(output, input)}
-                      onGainChange={(gain) => handleGainChange(output, input, gain)}
-                    />
-                  );
-                })}
-              </Fragment>
-            ))}
-          </div>
-        </div>
-      </div>
-    </>
-  );
-}
-
-export default MatrixSection;
@@ -1,7 +1,7 @@
-import { DSP, DSPTypes, AppPage } from '../types/types';
+import { DSP, DSPTypes, AppPage } from '../types';
 import { SetDsps, NotifyFn } from './dspShared';
-import { forDSP408, create as createDSP408 } from './dsp408';
-import { DSP408Api } from './dsp408';
+import { forDSP408, create as createDSP408 } from '../features/dsp408/dsp408';
+import { DSP408Api } from '../features/dsp408/dsp408';
 // import { forDSP204 } from './dsp204';

 export type DSPInstance = { dsp: Extract<DSP, { type: 'DSP408' }>; api: DSP408Api };
@@ -1,4 +1,4 @@
-import { DSP, DSPTypes } from '../types/types';
+import { DSP, DSPTypes } from '../types';
 import { stopPollingFor } from './pollRegistry';

 export type SetDsps = React.Dispatch<React.SetStateAction<DSP[]>>;
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
LucasDLTG	e151ab4f26	fix: bugs using real hardware	2026-10-04 21:01:09 +02:00
LucasDLTG	e28f61447f	fix: q value	2026-10-02 22:48:47 +02:00
LucasDLTG	388552f1c4	fix: matrix gain	2026-10-02 20:38:23 +02:00
LucasDLTG	e68e73d3d5	fix: render error on input	2026-09-30 21:14:08 +02:00
Lucas	a5669805c8	fix: make led focus the tab	2026-09-30 16:55:47 +02:00
Lucas	cef7336517	feat: remember panel per dsp	2026-09-30 16:53:44 +02:00
Lucas	50a3c1a1e5	fix: handle abort password	2026-09-30 16:35:15 +02:00
Lucas	684f5ce866	fix: too wide misc panel	2026-09-30 16:08:42 +02:00
Lucas	80da40f678	fix: disconnect button	2026-09-30 12:42:14 +02:00
LucasDLTG	3cca2f41f4	fix: connection led	2026-09-29 20:56:34 +02:00
Lucas	6511d9d007	unstable	2026-09-29 16:59:54 +02:00
Lucas	d5a2afdea5	feat: add locking styles	2026-09-28 16:41:16 +02:00
Lucas	24830172ae	feat: add rename channel	2026-09-25 15:10:19 +02:00
LucasDLTG	fd7dd89f55	feat: match bypass button color	2026-09-24 18:13:57 +02:00
LucasDLTG	dac6c729cd	feat: remove outdated commentaries	2026-09-23 21:44:26 +02:00
LucasDLTG	d48155683b	feat: disable inputs if peq dont use them	2026-09-23 20:03:39 +02:00
LucasDLTG	e1d6398d57	feat: dont draw geq/peq curves if bypass	2026-09-22 21:05:59 +02:00
LucasDLTG	4aae47cd27	merge	2026-09-22 19:12:40 +02:00
LucasDLTG	61f821c3e9	feat: add confirmation windows for reset	2026-09-22 19:09:38 +02:00
Lucas	b74857d7f6	feat: disable click when exiting select list	2026-09-21 15:58:42 +02:00
Lucas	d3a783f77f	feat: custom item list in selector	2026-09-21 15:25:21 +02:00
Lucas	f965779373	feat: add notification for all dsp query	2026-09-21 14:16:04 +02:00
Lucas	b0d4e372cb	feat: update logo + app metadata	2026-09-21 10:57:14 +02:00
LucasDLTG	e893cab082	fix: unused import	2026-09-20 21:41:09 +02:00
LucasDLTG	10b890b5ae	feat: implement copy and link	2026-09-20 21:40:25 +02:00
LucasDLTG	e05d589311	fix: command in lib.rs	2026-09-13 22:39:01 +02:00
LucasDLTG	00b6721c42	feat: add MiscellaneousPanel - need to implement UI	2026-09-13 19:09:47 +02:00
LucasDLTG	4f2bce1f5f	fix: preset renaming	2026-09-13 17:13:03 +02:00
LucasDLTG	8c0b272ab9	refactor: reorder tauri commands and highlight missing	2026-09-13 16:24:08 +02:00
LucasDLTG	772a331f04	fix: hanging notifications	2026-09-13 15:55:11 +02:00
LucasDLTG	1643a887af	feat: add peq output pages	2026-09-13 15:48:26 +02:00
LucasDLTG	8e9a59d026	feat: finalize input section	2026-09-13 14:25:00 +02:00
LucasDLTG	1792910ca1	fix: remove useless vars	2026-09-13 10:51:04 +02:00
LucasDLTG	faa019d52b	fix: matrix choice selector	2026-09-13 10:50:43 +02:00
LucasDLTG	f6bc46dd98	fix; compressoor steppers	2026-09-13 10:06:48 +02:00
LucasDLTG	30e1c0b0a9	feat: wheel behaviour on choiceselect	2026-09-13 09:08:42 +02:00
LucasDLTG	9f2ace9698	feat: use new meter format	2026-09-13 09:04:04 +02:00
LucasDLTG	1e00ca3a7c	feat: remove state and let rust handle	2026-09-12 19:37:59 +02:00
LucasDLTG	2717dfe99a	feat: prevent text selection on dsp sub pages	2026-09-12 15:19:57 +02:00
LucasDLTG	fd545fb2a8	feat: prevent text selection on main pages	2026-09-12 14:14:47 +02:00
LucasDLTG	3793ee9f5b	feat: prevent text selection on add dsp page	2026-09-12 13:35:02 +02:00
LucasDLTG	014ccf5197	fix: style of add page selector	2026-09-12 11:52:36 +02:00
LucasDLTG	0f198692ad	fix: draw over bounds	2026-09-12 11:22:27 +02:00
LucasDLTG	19c3aedf80	fix: panel on all pages	2026-09-12 10:12:17 +02:00
LucasDLTG	9589f6f3f0	fix: gate panels on linux	2026-09-11 20:27:55 +02:00
LucasDLTG	037d17ff3d	feat: graph header on gain panel	2026-09-09 20:56:35 +02:00
LucasDLTG	20182a8e36	fix: font weigth on 'add page'	2026-09-09 17:24:12 +02:00
LucasDLTG	8f5a7c22cc	fix: linux display main page	2026-09-08 21:57:38 +02:00
LucasDLTG	ac23f98fcd	feat: push Topbar	2026-09-06 12:54:45 +02:00
LucasDLTG	81a99b7173	feat: update	2026-09-06 12:45:27 +02:00
LucasDLTG	75ac349790	refactor: graph to use a set of points instead of taking the whole dsp oobject	2026-08-31 20:14:07 +02:00
LucasDLTG	21728b5e6d	fix: eslint errors	2026-08-31 14:12:36 +02:00
LucasDLTG	d6d0215e09	feat: add peq foor input	2026-08-31 14:12:03 +02:00
LucasDLTG	a0c9fbb674	feat: add behaviour to hp/lp filters	2026-08-13 11:32:06 +02:00
LucasDLTG	a28dd890dd	feat: start input section	2026-08-12 22:19:09 +02:00
LucasDLTG	00adc4df53	feat: add matrix section	2026-08-12 18:45:57 +02:00
LucasDLTG	eb751f9404	feat: round max on delay graph	2026-08-12 12:23:08 +02:00
LucasDLTG	5945b48b98	feat: improve compressor graph	2026-08-12 12:19:17 +02:00
LucasDLTG	ab9de39556	fix: error js	2026-08-12 11:57:39 +02:00
LucasDLTG	ddec10ca8f	feat: add geq graph + bypass warning	2026-08-12 11:51:26 +02:00
LucasDLTG	34fad6f905	refactor: folders/files to group dsp logic	2026-08-11 23:17:47 +02:00