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feat(launcher): implement Rust launcher, single-instance mutex, and environment manager - #4
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Oct 8, 2026
Finding #4: Pillow import name is PIL, not pillow. Add venv creation tests to verify engine isolation capability. Test app.main import to verify backend startup works. Verify staged runtime, not just source runtime. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Description
This PR delivers the native Rust launcher binary (
berry.exe), single-instance coordination, port collision resolution, and startup readiness probing for Berry AI Studio (Milestone 6 / L01–L12).Summary of Changes:
launcher/): Standalone lightweight binary built with direct Win32 FFI andureqREST client.Global\BerryAIStudioLauncherMutex) ensures second launches focus the active workspace without spawning duplicate processes; occupied port detection provides actionable diagnostics.berry,berry manager,berry status,berry stop [--force],berry engine,berry models, andberry update.scripts/): Updatedlaunch.batandstart-berry.ps1to prioritizeberry.exe.Verification:
cargo build --releaseandcargo testpass cleanly.