cfca4cec19
- delete plugin machinery (loader, install, meta, hooks) and all trigger sites - fold first-party provider auth into static registry (provider/hooks.ts) - remove remote instruction URL fetch, skills remote puller, TUI plugin host - add session/context.ts: single provenance-tagged context assembly point - add session/runner.ts: admit/context/stream/tools loop with compaction policy - relocate audit artifacts to audit/ (FORK-AUDIT, instruction docs as evidence)