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

docs/development/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: docs/development
 
 ## role
-Developer onboarding and contribution standards documentation for the Headquarter full-stack web application project.
+Developer documentation hub providing setup, contribution, quality, and testing guidelines for the Headquarter full-stack project.
 ## parent
 index: docs/.pi-map.index.md
 map: docs/.pi-map.md

docs/development/.pi-map.md

@@ -4,14 +4,14 @@ dir: docs/development
 index: docs/development/.pi-map.index.md
 
 ## role
-Developer onboarding and contribution standards documentation for the Headquarter full-stack web application project.
+Developer documentation hub providing setup, contribution, quality, and testing guidelines for the Headquarter full-stack project.
 ## files
 - contributing.md | Provides guidelines and workflows for contributing to the Headquarter project | dep: git, ruff, mypy, pytest, npm, React, TypeScript, Python
 - quality-gates.md | Defines mandatory quality gates (linting, type checking, testing, security, build) for backend (Python) and frontend (TypeScript) code before merge, including CI/CD integration and IDE setup. | dep: ruff, mypy, pytest, bandit, safety, TypeScript, ESLint, Vitest, pre-commit, npm, make
 - setup.md | Provides step-by-step instructions for setting up a full-stack development environment for a FastAPI/React application with PostgreSQL, Redis, and optional Authentik authentication. | dep: Python 3.11+, Node.js 18+, PostgreSQL 15+, Redis 7+, Git, Docker, FastAPI, React, Alembic, uvicorn, npm, Authentik
 - testing.md | Documents testing practices, frameworks, and guidelines for both backend (Python/pytest) and frontend (React/Vitest) of a web application called "Headquarter" | dep: pytest, pytest-asyncio, httpx, factory-boy, vitest, react-testing-library, jsdom, playwright, asyncpg, postgresql, authentik, github-actions
 ## arch
-Documentation-as-code approach with structured markdown files covering environment setup, quality assurance gates, testing standards, and contribution workflows for a FastAPI/React/PostgreSQL/Redis stack.
+Static markdown documentation organized by concern (setup, contributing, quality, testing) with explicit FastAPI/Python backend and React/TypeScript frontend toolchain boundaries.
 ## tags
 pytest, react, testing, contributing, npm, typescript, python, quality
 ## symbols