feat: restart stored sessions

[enki]

Summary

• add oracle restart <id> to rerun stored sessions with cloned options
• persist wait preference + Gemini/browser options in session metadata for restarts
• reuse stored cwd and enforce wait in TUI/consult runs; update docs

Testing

• not run (not requested)

[steipete]

Landed via temp rebase onto main.

• Gate: pnpm docs:list && pnpm lint && pnpm typecheck && pnpm build && pnpm test
• Merge commit: b0008e8

Follow-up: fix for --no-wait Commander negated flags landed in PR #91 (merge aa61556).

Thanks @enki!

[enki]

🙏