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/stores/aiPermissions.ts

@@ -95,8 +95,8 @@ export const useAIPermissionsStore = defineStore('aiPermissions', () => {
         const parsed = JSON.parse(stored) as AIContextCategory[]
         return new Set(parsed.filter(c => AI_PERMISSION_CATEGORIES.some(cat => cat.id === c)))
       }
-    } catch {
-      // ignore
+    } catch (e) {
+      if (import.meta.env.DEV) console.warn('Failed to load AI permissions from storage', e)
     }
     return new Set()
   }