fix: add dev-mode warnings to all 24 silent catch blocks

Every empty/comment-only catch block now logs a descriptive warning
in dev mode via `if (import.meta.env.DEV) console.warn(...)`. Covers
15 files across views, stores, components, and utils. Zero silent
catches remaining.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

neode-ui/src/api/websocket.ts

@@ -302,7 +302,7 @@ export class WebSocketClient {
       try {
         this.ws.close()
       } catch (e) {
-        // Ignore errors
+        if (import.meta.env.DEV) console.warn('WebSocket close error', e)
       }
       this.ws = null
     }