- Convert skills-adapter.ts readFileSync/writeFileSync to async readFile/writeFile
- Cache GitHub webhook private key in memory to avoid repeated fs reads
- Convert usage.ts readFileSync to async readFile
- Update usage.test.ts to work with async file operations
- All HTTP request handlers now use non-blocking async fs operations
- Rename all pi extension tool registrations from kb_* to fn_* across task, mission, and agent tool families
- Update extension and skill-sync tests plus Fusion skill docs/workflows to assert and document the new fn_* tool names
- Align product-identity strings across core, dashboard, and CLI references, including GitHub import examples, User-Agent headers, and terminal TERM_PROGRAM
- Add a @gsxdsm/fusion minor changeset describing the extension tool-prefix rename
- Rename all KB_* environment variables to FUSION_* prefix across CLI and dashboard
- Update CLI runtime files (native-patch.ts) and build configuration
- Update dashboard server, badge-pubsub, GitHub webhooks, and terminal service
- Update test files to use new FUSION_API_KEY and related env vars
- Update documentation in README, AGENTS.md, STANDALONE.md, and dashboard README
- Update changeset files with new environment variable names
- Rename @kb/core, @kb/dashboard, @kb/engine to @fusion/* namespace
- Update all import statements across 143+ files to use new package names
- Update workspace dependencies and root package.json references
- Fix bundler configurations (tsup, vite) for new package names
- Update test files and fix typecheck issues
- Add changeset file documenting the package rename
- Add verified POST /api/github/webhooks endpoint with signature verification
- Implement GitHub App installation token authentication for API calls
- Add webhook handlers for pull_request, issues, and issue_comment events
- Support multi-task resource matching by parsed badge URL
- Retire live GitHub polling service in favor of push-based updates
- Add comprehensive webhook integration and unit tests
- Keep 5-minute REST refresh endpoints as fallback
