chore: patch project maps after stale backend test cleanup

Regenerate .pi-map*.md artifacts for source changes in:
- apps/api/src/api/tool/tool_types_validation.py
- apps/api/src/schemas/tool/tool_type.py
- apps/api/tests/integration/test_tool_types_api_extended.py
- and all affected test files from backend-frontend refactoring cleanup

apps/web/public/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: apps/web/public
 
 ## role
-Static HTML prototype for UI/UX validation and stakeholder review of the workspace dashboard design before React implementation.
+Static frontend assets serving a standalone HTML preview/demo of the workspace dashboard UI without requiring the full application runtime.
 ## parent
 index: apps/web/.pi-map.index.md
 map: apps/web/.pi-map.md

apps/web/public/.pi-map.md

@@ -4,11 +4,11 @@ dir: apps/web/public
 index: apps/web/public/.pi-map.index.md
 
 ## role
-Static HTML prototype for UI/UX validation and stakeholder review of the workspace dashboard design before React implementation.
+Static frontend assets serving a standalone HTML preview/demo of the workspace dashboard UI without requiring the full application runtime.
 ## files
 - preview.html | Static HTML/CSS UI mockup for a "Headquarter" workspace dashboard with interactive page preview switching between Home, Projects, and Settings views. | dep: Google Fonts (Inter, IBM Plex Mono)
 ## arch
-Vanilla HTML/CSS mockup with JavaScript-driven view switching, using CSS Grid/Flexbox layout and class-based DOM manipulation for interactive state transitions.
+Self-contained static HTML prototype with vanilla CSS and JavaScript, using a simple view-switching pattern to simulate multi-page SPA navigation within a single file.
 ## tags
 preview, static, html, css, mockup, headquarter, workspace, dashboard
 ## symbols