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/components/CLIPopup.vue

@@ -178,7 +178,8 @@ function loadSavedPosition() {
     } else {
       savedPosition.value = null
     }
-  } catch {
+  } catch (e) {
+    if (import.meta.env.DEV) console.warn('Failed to load saved CLI position', e)
     savedPosition.value = null
   }
 }
@@ -187,8 +188,8 @@ function savePosition(x: number, y: number) {
   savedPosition.value = { x, y }
   try {
     localStorage.setItem(SAVED_POSITION_KEY, JSON.stringify({ x, y }))
-  } catch {
-    // ignore
+  } catch (e) {
+    if (import.meta.env.DEV) console.warn('Failed to save CLI position', e)
   }
 }