Claude Code: add try/except to root route with proper error logging

- Wrap root route body in try/except block
- Log exceptions with exc_info=True
- Return JSON with error details: {error, type}

app.py

@@ -86,12 +86,19 @@ async def startup_event():
 @app.get("/")
 async def root():
     """Root endpoint - welcome message."""
-    return {
-        "message": "Welcome to HuggingClaw - Cain",
-        "status": "running",
-        "version": "0.0.1",
-        "uptime_seconds": round(time.time() - START_TIME, 2)
-    }
+    try:
+        return {
+            "message": "Welcome to HuggingClaw - Cain",
+            "status": "running",
+            "version": "0.0.1",
+            "uptime_seconds": round(time.time() - START_TIME, 2)
+        }
+    except Exception as e:
+        logger.error("Root route exception", exc_info=True)
+        return JSONResponse(
+            status_code=500,
+            content={"error": str(e), "type": type(e).__name__}
+        )
 
 
 @app.get("/health")