feat: Auto-verify setup on first initialization

- Add auto_verify_result field to McpServer
- Run verify_setup automatically during initialize
- Include setup status in serverInfo response:
  - verified: bool
  - hint: string message
- Users immediately see if environment is ready

src/mcp_server.rs

@@ -4,10 +4,19 @@ use tokio::sync::Mutex;
 
 use crate::{models::Config as ModelsConfig, tools::ToolHandler, McpError, McpRequest, McpResponse};
 
+/// Auto-verify result stored after first initialization
+#[derive(Debug, Clone)]
+struct AutoVerifyResult {
+    all_ok: bool,
+    hint: String,
+    config_path: String,
+}
+
 #[derive(Debug)]
 pub struct McpServer {
     initialized: Arc<Mutex<bool>>,
     tool_handler: Arc<ToolHandler>,
+    auto_verify_result: Arc<Mutex<Option<AutoVerifyResult>>>,
 }
 
 impl McpServer {
@@ -16,6 +25,45 @@ impl McpServer {
         Self {
             initialized: Arc::new(Mutex::new(false)),
             tool_handler: Arc::new(ToolHandler::new(config)),
+            auto_verify_result: Arc::new(Mutex::new(None)),
+        }
+    }
+
+    /// Run verify_setup on initialization and return summary
+    async fn run_auto_verify(&self) -> AutoVerifyResult {
+        // Get config from tool_handler
+        let config = ModelsConfig::load().unwrap_or_default();
+        
+        // Check if config exists
+        let config_path = ModelsConfig::writable_config_path();
+        let config_exists = config_path.exists();
+        
+        // Check wine and terminal
+        let wine_ok = config.wine_executable.as_ref()
+            .map(|p| std::path::Path::new(p).exists())
+            .unwrap_or(false);
+        let term_ok = config.terminal_dir.as_ref()
+            .map(|p| std::path::Path::new(p).is_dir())
+            .unwrap_or(false);
+        
+        let all_ok = config_exists && wine_ok && term_ok;
+        
+        let hint = if all_ok {
+            "Environment fully configured and ready".to_string()
+        } else if !config_exists {
+            format!("Auto-discovery will run on first request. Config will be written to {}", config_path.display())
+        } else if !wine_ok {
+            "Wine/CrossOver not found - required for MT5 execution".to_string()
+        } else if !term_ok {
+            "MT5 directory not found - check installation".to_string()
+        } else {
+            "Fix missing paths in config".to_string()
+        };
+        
+        AutoVerifyResult {
+            all_ok,
+            hint,
+            config_path: config_path.to_string_lossy().to_string(),
         }
     }
 
@@ -35,22 +83,38 @@ impl McpServer {
                     "2024-11-05"
                 };
                 
+                // Run auto-verify on first initialization
+                let verify_result = self.run_auto_verify().await;
+                let all_ok = verify_result.all_ok;
+                let hint = verify_result.hint.clone();
+                
+                // Store the result
+                *self.auto_verify_result.lock().await = Some(verify_result);
+                
                 *self.initialized.lock().await = true;
+                
+                // Include verify status in server info
+                let server_info = json!({
+                    "name": "MT5-Quant",
+                    "version": "1.27.0",
+                    "setup": {
+                        "verified": all_ok,
+                        "hint": hint,
+                    }
+                });
+                
                 McpResponse {
                     jsonrpc: "2.0".to_string(),
                     id: request.id,
-                    result: Some(json!(crate::InitializeResult {
-                        protocol_version: negotiated_version.to_string(),
-                        capabilities: crate::ServerCapabilities {
-                            experimental: json!({}),
-                            tools: crate::ToolCapabilities {
-                                list_changed: false,
+                    result: Some(json!({
+                        "protocolVersion": negotiated_version,
+                        "capabilities": {
+                            "experimental": {},
+                            "tools": {
+                                "listChanged": false,
                             },
                         },
-                        server_info: crate::ServerInfo {
-                            name: "MT5-Quant".to_string(),
-                            version: "1.27.0".to_string(),
-                        },
+                        "serverInfo": server_info,
                     })),
                     error: None,
                 }