- Add `visibleTo` field to `BaseAgentDefinition` to restrict agent visibility to specific parent agent types
- Filter agents with `visibleTo` restrictions from wildcard agent lists in prompt generation
- Add new `TDD_AGENT` and `WIKI_AGENT` orchestrator agents as entry points for TDD and Wiki workflows
- Register `WIKI_AGENT` in built-in agents list with workflow grouping comments
- Mark all TDD sub-agents (`TddRunAndFix`, `TddTestAndFix`, `TddTestDesign`, `TddTestPrepare`) as `visibleTo: ['TDD']`
- Mark all Wiki sub-agents (`WikiProjectAnalyze`, `WikiCatalogueDesign`, `WikiDocumentGenerate`, `WikiIndexGeneration`) as `visibleTo: ['WIKI']`
- Mark workflow-specific agents (`DesignAgent`, `QuickExplore`, `Requirement`, `SubCoding`, `TaskCheck`, `TaskPlan`, `StrictSpec`) with appropriate `visibleTo` restrictions
- Refactor `strict-project-wiki` and `strict-test` skills to delegate directly to orchestrator agents via `context: 'fork'`
- Remove stale package-level node_modules symlinks
