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

e2e/tests/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: e2e/tests
 
 ## role
-End-to-end test suite for authentication flows using Playwright
+End-to-end testing suite for authentication flows using Playwright.
 ## parent
 index: e2e/.pi-map.index.md
 map: e2e/.pi-map.md

e2e/tests/.pi-map.md

@@ -4,11 +4,11 @@ dir: e2e/tests
 index: e2e/tests/.pi-map.index.md
 
 ## role
-End-to-end test suite for authentication flows using Playwright
+End-to-end testing suite for authentication flows using Playwright.
 ## files
 - login.spec.ts | End-to-end tests for authentication flow using Playwright, verifying login page accessibility, OAuth redirect behavior, and protected route enforcement. | dep: @playwright/test
 ## arch
-Specification-style testing with Playwright page object model, covering OAuth redirect flows and route protection guards
+Spec-based test organization with Playwright test runner, following page-object pattern for browser automation and scenario-based test isolation.
 ## tags
 end, login.spec, tests, authentication, flow, playwright, verifying, login
 ## symbols