- Added a justfile with stage/build/dev and maintenance recipes for container, compose, and local workflows.
- Removed the Makefile and migrated README startup and recovery guidance from make targets to just.
- Added Docker and entrypoint cache/setup changes for CARGO, CARGO_TARGET, rustup, bun cache, and paths.
- Added tests for GitHub issue browse behavior, including allowlist filtering, ordering, PR exclusion, and error responses.
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