* feat: add mobile smoke tests and QR code for mobile URL
#2396: Add scripts/mobile-smoke.sh that launches the compiled binary on
loopback ports and verifies the mobile surface through real HTTP requests:
- Token auth (401/200, Bearer, query param, approval 404)
- Insecure mode (no token required)
- Binding warnings (0.0.0.0, LAN URL hint)
Add mobile-smoke job to CI workflow.
#2397: Add --qr flag to 'codewhale serve --mobile' that renders a
terminal QR code for the mobile URL. Uses the LAN IP when available,
falls back to 127.0.0.1. Adds qrcode crate (pure Rust, no C deps).
* fix: address review feedback on mobile smoke tests
- Fix Test Group 3 subprocess capture: use temp file instead of command
substitution to avoid hanging and subshell variable isolation
- Allow BINARY path to be overridden via BINARY env var
- Add libdbus-1-dev system dependency to CI job for ubuntu build
* fix: pass auth header in mobile smoke status helper
* fix: send approval JSON in mobile smoke
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Co-authored-by: Hu Qiantao <huqiantao@HudeMacBook-Air.local>
Co-authored-by: Hunter B <hmbown@gmail.com>
HUQIANTAO
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