v0.4.0

Changes

• Add POST /api/sessions/:id/turn/interrupt to stop an in-flight Codex turn while preserving the session and thread.
• Add a Web UI Stop button for active turns.
• Add API, architecture, integration, and app-server capability todo documentation.

Release assets

• codex-gateway-darwin-arm64.tar.gz
• codex-gateway-linux-amd64.tar.gz
• sha256 checksum files for both archives

Container image

• ghcr.io/labring/codex-gateway:latest
• ghcr.io/labring/codex-gateway:v0.4.0

Validation

• cargo fmt passed.
• cargo check passed.
• cargo build --release passed for Darwin arm64.
• Linux amd64 release binaries were built in Docker.
• GitHub Actions Container workflow passed for v0.4.0.