feat: add unload endpoint

src/providers/ollama.rs

@@ -107,6 +107,31 @@ impl OllamaProvider {
         }))
     }
 
+    pub async fn unload_model(&self, model: &str) -> Result<Value, OllamaError> {
+        self.validate_model(model).await?;
+
+        let payload = json!({
+            "model":      model,
+            "prompt":     "",
+            "keep_alive": "0",
+            "stream":     false,
+        });
+
+        let res = self
+            .client
+            .post(format!("{}/api/generate", self.base_url))
+            .json(&payload)
+            .send()
+            .await?
+            .json::<Value>()
+            .await?;
+
+        Ok(json!({
+            "model":  res.get("model"),
+            "status": "unloaded",
+        }))
+    }
+
     pub async fn completions(&self, body: Value) -> Result<Value, OllamaError> {
         let prompt = body
             .get("prompt")