refactor(semantics): migrate legacy @TIER to @COMPLEXITY annotations

- Replaced @TIER: TRIVIAL with @COMPLEXITY: 1
- Replaced @TIER: STANDARD with @COMPLEXITY: 3
- Replaced @TIER: CRITICAL with @COMPLEXITY: 5
- Manually elevated specific critical/complex components to levels 2 and 4
- Ignored legacy, specs, and node_modules directories
- Updated generated semantic map

frontend/src/lib/stores/__tests__/assistantChat.test.js

@@ -1,5 +1,5 @@
 // [DEF:frontend.src.lib.stores.__tests__.assistantChat:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @SEMANTICS: test, store, assistant, toggle, conversation
 // @PURPOSE: Validate assistant chat store visibility and conversation binding transitions.
 // @LAYER: UI Tests
@@ -17,7 +17,7 @@ import {
 } from '../assistantChat.js';
 
 // [DEF:assistantChatStore_tests:Function]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Group store unit scenarios for assistant panel behavior.
 // @PRE: Store can be reset to baseline state in beforeEach hook.
 // @POST: Open/close/toggle/conversation transitions are validated.

frontend/src/lib/stores/__tests__/mocks/env_public.js

@@ -1,5 +1,5 @@
 // [DEF:mock_env_public:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Mock for $env/static/public SvelteKit module in vitest
 // @LAYER: UI (Tests)
 export const PUBLIC_WS_URL = 'ws://localhost:8000';

frontend/src/lib/stores/__tests__/setupTests.js

@@ -1,5 +1,5 @@
 // [DEF:setupTests:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Global test setup with mocks for SvelteKit modules
 // @LAYER: UI
 

frontend/src/lib/stores/__tests__/sidebar.test.js

@@ -1,6 +1,6 @@
 // @RELATION: VERIFIES -> frontend/src/lib/stores/sidebar.js
 // [DEF:frontend.src.lib.stores.__tests__.sidebar:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @SEMANTICS: sidebar, store, tests, mobile, navigation
 // @PURPOSE: Unit tests for sidebar store
 // @LAYER: Domain (Tests)

frontend/src/lib/stores/__tests__/test_activity.js

@@ -1,5 +1,5 @@
 // [DEF:frontend.src.lib.stores.__tests__.test_activity:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Unit tests for activity store
 // @LAYER: UI
 // @RELATION: VERIFIES -> frontend.src.lib.stores.activity

frontend/src/lib/stores/__tests__/test_sidebar.js

@@ -1,5 +1,5 @@
 // [DEF:frontend.src.lib.stores.__tests__.test_sidebar:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Unit tests for sidebar store
 // @LAYER: UI
 // @RELATION: VERIFIES -> frontend.src.lib.stores.sidebar

frontend/src/lib/stores/__tests__/test_taskDrawer.js

@@ -1,5 +1,5 @@
 // [DEF:frontend.src.lib.stores.__tests__.test_taskDrawer:Module]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @SEMANTICS: task-drawer, store, mapping, tests
 // @PURPOSE: Unit tests for task drawer store
 // @LAYER: UI

frontend/src/lib/stores/activity.js

@@ -1,5 +1,5 @@
 // [DEF:activity:Store]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Track active task count for navbar indicator
 // @LAYER: UI
 // @RELATION: DEPENDS_ON -> WebSocket connection, taskDrawer store

frontend/src/lib/stores/assistantChat.js

@@ -1,5 +1,5 @@
 // [DEF:assistantChat:Store]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @SEMANTICS: assistant, store, ui-state, conversation
 // @PURPOSE: Control assistant chat panel visibility and active conversation binding.
 // @LAYER: UI

frontend/src/lib/stores/environmentContext.js

@@ -1,5 +1,5 @@
 // [DEF:environmentContext:Store]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Global selected environment context for navigation and safety cues.
 // @LAYER: UI-State
 

frontend/src/lib/stores/health.js

@@ -1,5 +1,5 @@
 // [DEF:health_store:Store]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Manage dashboard health summary state and failing counts for UI badges.
 // @LAYER: UI
 // @RELATION: DEPENDS_ON -> api.getHealthSummary

frontend/src/lib/stores/sidebar.js

@@ -1,5 +1,5 @@
 // [DEF:sidebar:Store]
-// @TIER: STANDARD
+// @COMPLEXITY: 3
 // @PURPOSE: Manage sidebar visibility and navigation state
 // @LAYER: UI
 // @INVARIANT: isExpanded state is always synced with localStorage

frontend/src/lib/stores/taskDrawer.js

@@ -1,5 +1,5 @@
 // [DEF:taskDrawer:Store]
-// @TIER: CRITICAL
+// @COMPLEXITY: 5
 // @PURPOSE: Manage Task Drawer visibility and resource-to-task mapping
 // @LAYER: UI
 // @INVARIANT: resourceTaskMap always reflects current task associations