[eric] apps: auto hard-reload the app card when a turn installed deps (soft reload can't see new packages)

frontend/src/shared/ws/WebSocketManager.ts

@@ -14,6 +14,7 @@ import {
   setContextOverflow,
   setRateLimited,
   setContextRecovered,
+  setAppDepsChanged,
   setMcpSuggestions,
   addBranch,
   setActiveBranch,
@@ -562,6 +563,13 @@ class WebSocketManager {
         }
         break;
 
+      case 'agent:app_deps_changed':
+        // A view-builder agent installed/changed deps this turn; the app card escalates its turn-finish reload from soft to a Vite restart so new deps actually load.
+        if (session_id) {
+          store.dispatch(setAppDepsChanged({ sessionId: session_id }));
+        }
+        break;
+
       case 'agent:context_status':
         // Auto-compaction collapsed older turns into a summary. Mirror compacted_through_msg_id locally so the renderer can drop a visible "N earlier turns summarized" chip into the transcript. Other reasons (cleared, etc.) flow through this same event but don't currently need a chip, ignore them for now.
         if (session_id && data.reason === 'compacted') {