feat: add doc endpoint

src/dto/api.rs

@@ -1,6 +1,17 @@
 use serde::{Deserialize, Serialize};
 use utoipa::ToSchema;
 
+#[derive(Debug, Serialize, ToSchema)]
+pub struct ErrorResponse {
+    pub error: String,
+}
+
+impl ErrorResponse {
+    pub fn new(msg: impl Into<String>) -> Self {
+        Self { error: msg.into() }
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize, ToSchema)]
 pub struct ModelsResponse {
     pub models: Vec<ModelInfo>,
@@ -148,21 +159,21 @@ pub struct ChatChoice {
     pub finish_reason: FinishReason,
 }
 
-#[derive(Debug, Serialize)]
+#[derive(Debug, Serialize, ToSchema)]
 pub struct ChatCompletionChunk {
     pub id: String,
     pub object: String,
     pub choices: Vec<ChatChunkChoice>,
 }
 
-#[derive(Debug, Serialize)]
+#[derive(Debug, Serialize, ToSchema)]
 pub struct ChatChunkChoice {
     pub index: u32,
     pub delta: ChatDelta,
     pub finish_reason: Option<FinishReason>,
 }
 
-#[derive(Debug, Serialize)]
+#[derive(Debug, Serialize, ToSchema)]
 pub struct ChatDelta {
     pub role: Option<Role>,
     pub content: Option<String>,