[kacigaya]

An active turn could only be stopped by quitting the app. Escape now stops the turn and keeps the TUI open for a follow-up request.

Cancellation closes the provider stream, dismisses pending approval, and terminates and reaps shell command process groups. The UI stays busy until cleanup finishes. Ctrl+C uses the same cleanup before exiting.

File changes already in progress finish before cancellation completes. Completed changes remain in place. History retains partial assistant text, completed results, and matching cancellation results for unstarted calls. An incomplete model tool request cannot execute.

Update the status hints, /help, README, and command documentation. Existing model-selector Escape behavior and N/Enter tool denial remain available. No dependencies were added.

Validation:

• cargo fmt -- --check
• cargo clippy --all-targets --locked -- -D warnings
• cargo test --locked: 191 tests passed
• cargo build --release --locked
• cargo audit: no vulnerability findings; existing maintenance and yanked-package warnings remain
• Python compilation and 10 bundled security-script tests
• Website audit, lint, type check, two tests, and production build with Bun 1.4.4
• Live TUI test through cargo run against a local mock Ollama server: Escape during streaming, approval, and a running shell command; HTTP stream closure; child termination; follow-up input; and Ctrl+C cleanup during another shell command

Cloud provider calls and macOS/Windows behavior were not tested locally. Provider stream cancellation is covered with native and JSON fallback test providers. In-progress file mutations deliberately finish instead of being dropped mid-write.

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