Engineering Bridge v1.0.0-rc.1

This is the first release candidate for Engineering Bridge V1.

Highlights

Migrated execution flow to Codex native app-server sessions.
Added continuous task control through native threads:
- continue existing sessions
- steer running tasks
- interrupt active turns
- accept completed results

Interactive run_task remains read-only.
File changes continue through the controlled patch flow:
- generate patch
- review diff
- explicit APPLY

Validated on macOS with:

TypeScript checks
Build verification
40/40 automated tests
Real Codex app-server integration checks:
- task execution
- same-thread continuation
- steering
- interrupt handling

This is a release candidate.

Community testing, especially cross-platform validation, is welcome before the stable v1.0.0 release.