[codex] Update README and local todo tracking

[mdroidian]

Summary

• replace the extension-base README with Quick Switcher user-facing copy
• update package metadata from extension-base to quick-switcher
• ignore local todo bookkeeping via local/

Validation

• npm test
• npm run build:roam
• subagent review: no issues found

---

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Free

Run ID: b8b27937-d612-4681-8dd6-5675433dd692

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

---

Note

🎁 Summarized by CodeRabbit Free

Your organization is on the Free plan. CodeRabbit will generate a high-level summary and a walkthrough for each pull request. For a comprehensive line-by-line review, please upgrade your subscription to CodeRabbit Pro by visiting https://app.coderabbit.ai/login.

_{Comment @coderabbitai help to get the list of available commands.}

[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

[charliecreates]

Reviewed the latest changes, and I don’t have actionable feedback to address.