v0.1.7 alpha

What changed\n- route Codex and Copilot browser auth through the daemon in CLI and TUI flows\n- stop sending the unsupported Codex reasoning summary field so OpenWebUI chat works again with Codex models\n- keep web operator action results visible after auth, sync, key, and delete actions\n\n## Verified\n- bun run test\n- bun run check\n- cargo test -p gunmetal-cli\n- cargo test -p gunmetal-tui\n- cargo test -p gunmetal-daemon\n- cargo test -p gunmetal-providers\n- live CLI, TUI, web, and OpenWebUI acceptance pass on a fresh Gunmetal home