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

.opencode/skills/openspec-archive-change/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: .opencode/skills/openspec-archive-change
 
 ## role
-Provides a skill definition for archiving completed changes in an experimental workflow using the openspec CLI.
+Provides a reusable automation skill for archiving completed experimental changes via the openspec CLI
 ## parent
 index: .opencode/skills/.pi-map.index.md
 map: .opencode/skills/.pi-map.md

.opencode/skills/openspec-archive-change/.pi-map.md

@@ -4,11 +4,11 @@ dir: .opencode/skills/openspec-archive-change
 index: .opencode/skills/openspec-archive-change/.pi-map.index.md
 
 ## role
-Provides a skill definition for archiving completed changes in an experimental workflow using the openspec CLI.
+Provides a reusable automation skill for archiving completed experimental changes via the openspec CLI
 ## files
 - SKILL.md | Defines a skill for archiving completed changes in an experimental workflow using the openspec CLI. | dep: openspec CLI, AskUserQuestion tool, Task tool, file system (mkdir, mv, read), JSON parsing
 ## arch
-Single-file skill definition using markdown-based skill documentation pattern with CLI tool integration.
+Skill-based modular automation pattern using markdown-defined CLI operations with structured metadata and command templates
 ## tags
 skill, defines, archiving, completed, changes, experimental, workflow, openspec
 ## symbols