- 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
- Add MigrationOrchestrator with automatic project detection and registration
- Add FirstRunExperience with setup wizard for new users
- Add backward compatibility layer for single-project workflows
- Integrate migration hook into CLI entry point
- Add comprehensive tests for migration and first-run functionality
- Update AGENTS.md with multi-project migration and dashboard documentation
