feat: add Codex worktree cache and daemon run helpers #322

Job	Run time
Rust lint and unit tests	1m 30s
Build integration artifacts	2m 18s
Packages and VS Code extension	22s
Client lint, build, and tests	30s
Android emulator integration	5m 51s
JS API simulator integration	4m 20s
CLI simulator integration	10m 36s
	25m 27s

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