feat: add Codex worktree cache and daemon run helpers (#49) #324

Job	Run time
Rust lint and unit tests	1m 35s
Client lint, build, and tests	27s
Build integration artifacts	2m 32s
Packages and VS Code extension	22s
Android emulator integration	6m 13s
JS API simulator integration	4m 14s
CLI simulator integration	7m 35s
	22m 58s

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