fix: resolve 60s terminal_ready timeout on 'cli-box start' (headless + dev-mode)

[Shadow-Azure]

Problem

cli-box start blocked for the full 60s terminal-readiness timeout in two situations, then proceeded anyway (the sandbox was actually ready within milliseconds):

1. Headless (Linux / cloud, no Electron): the daemon runs with --headless, so no Electron renderer ever connects the screenshot WebSocket. terminal_ready_sandboxes is populated only by a renderer-sent terminal_ready message, which never arrives — so the CLI's readiness poll always times out at 60s. (This is the known "TUI start 60s timeout" on the Aliyun test host.)
2. Dev mode (macOS repo checkout): find_electron_binary() looked for Contents/MacOS/cli-box in the dev dist bundle, but the bundle's launcher binary is named CLI Box. Electron failed to launch ("No such file or directory"), no renderer connected, same 60s timeout.

Solution

Headless terminal_ready timeout — 8615cf2

In readyz_handler (crates/cli-box-core/src/daemon/mod.rs), when DaemonState.headless is true, derive terminal_ready from the queried sandbox's pty_pid existence instead of the renderer-populated terminal_ready_sandboxes set. PTYs are spawned synchronously at sandbox creation, so this is race-free. The CLI gates solely on terminal_ready (status/renderer_connected are #[allow(dead_code)]), so no protocol or CLI change is needed. The non-headless (renderer-driven) path is unchanged.

Dev-mode Electron binary name — d8ec07a

In find_electron_binary() (crates/cli-box-cli/src/main.rs), corrected the two dev dist paths (dist/electron/mac-arm64, dist/electron/mac) from Contents/MacOS/cli-box → Contents/MacOS/CLI Box, matching the release path, both cached/downloaded paths, and the actual on-disk binary. The legacy Tauri cmd_start (a different app, #[allow(dead_code)]) is left unchanged.

Test Plan

• cargo test -p cli-box-core --test daemon_integration — 16/16 pass, incl. 2 new: readyz_terminal_ready_in_headless_mode (headless sb→ready, unknown→not-ready) and readyz_terminal_ready_uses_renderer_set_when_not_headless (regression guard for the renderer path)
• TDD: headless test failed first (terminal_ready false), passed after the fix
• cargo clippy --all-targets -- -D warnings clean; cargo fmt --all -- --check clean
• Per-task review (spec ✅ + quality Approved) + final whole-branch review (Ready to merge: Yes)
• Aliyun headless host: cli-box start returns within ~1s instead of 60s (definitive headless verification)
• Dev-mode: rebuild + re-run e2e-compound-start-screenshot (was failing on the name bug) to confirm green

🤖 Generated with Claude Code

[github-actions]

🔒 门禁检查结果

检查项	状态
Rust 格式化	✅ success
Rust Clippy	✅ success
Rust 测试 & 覆盖率	✅ success
前端测试 & 覆盖率	✅ success
Playwright E2E	✅ success
统一测试 (test.sh)	✅ success
安全检查	✅ success
发布模拟验证	✅ success
升级流程测试	✅ success
cli-box-skill 单元测试	✅ success

Rust 测试覆盖率

指标	覆盖率
行覆盖率	67.3%
分支覆盖率	0.0%

模块	行覆盖率
crates.cli-box-core.src.process	███████████░░░░░░░░░ 57.7%
crates.cli-box-core.src.automation	███████████░░░░░░░░░ 58.3%
crates.cli-box-core.src	███████████░░░░░░░░░ 55.3%
crates.cli-box-core.src.daemon	██████████░░░░░░░░░░ 52.6%
crates.cli-box-core.src.sandbox	███████████████████░ 98.8%
crates.cli-box-core.src.capture	████████████████░░░░ 84.2%
crates.cli-box-core.src.server	█████████████████░░░ 87.7%
crates.cli-box-core.src.instance	███████████████████░ 99.1%

详细报告见 Rust 覆盖率 artifact

前端测试覆盖率

指标	覆盖率
行覆盖率	████████████████░░░░ 78.0%
分支覆盖率	70.4%
函数覆盖率	74.2%
语句覆盖率	77.5%

文件	行覆盖率
src/tests/mocks/websocket.ts	██████████████████░░ 88.0%
src/tests/mocks/xterm.ts	████████████████████ 100.0%
src/main/daemon-bridge.ts	████████░░░░░░░░░░░░ 40.0%
src/renderer/api.ts	██████████████░░░░░░ 68.2%
src/renderer/screenshotSync.ts	████████████████████ 100.0%
src/renderer/scrollback.ts	██████████████████░░ 88.9%
src/renderer/tabState.ts	████████████████████ 100.0%
src/renderer/terminalBuffer.ts	████████████████████ 100.0%

详细报告见前端覆盖率 artifact

✅ 所有检查通过，可以合入

点击 Squash and merge 合并此PR