chore: remove internal scratchpad / handoff docs from repo

[f-trycua]

Summary

Removes 6 .md / .sh / .py files that were committed alongside other PRs but are internal coordination artifacts — status reports, dev-loop scratchpads, design plans, quick-test scripts — rather than user-facing documentation.

Removed

• WINDOWS_SESSION0_STATUS.md — "while you slept" status report from fix(windows): Session-0 hardening + UWP background-launch focus restore #1548
• libs/cua-driver-rs/DEV_LOOP_WINDOWS_VM.md — dev-loop scratchpad from fix(windows): Session-0 hardening + UWP background-launch focus restore #1548
• docs/scripts/HANDOFF-modal-s3-sync.md — deploy handoff from feat(docs): add S3 sync to Modal pipeline for K8s MCP server #1430
• libs/cua-bench/plan.md — Tinker RL design plan from feat(cua-bench): RL integration of tinker into cua-bench #1200
• libs/python/mcp-server/QUICK_TEST_COMMANDS.sh — ad-hoc test commands
• libs/python/mcp-server/quick_test_local_option.py — ad-hoc test script

Safety

Verified via repo-wide grep that no tracked code, docs, or CI references these paths. Their content belongs in PR descriptions or linked internal docs, not as committed scratchpads.

Test plan

• git grep for each filename returns no hits
• CI green (no consumer to break)

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation

  • Removed Windows Session-0 status report.
  • Removed Modal-S3 sync workflow documentation.
  • Removed training loop architecture documentation.
  • Removed Windows VM development guide.

• Chores

  • Removed MCP server testing utilities and scripts.

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	May 20, 2026 12:55pm

[github-actions]

📦 Publishable packages changed

• pypi/bench
• pypi/mcp-server

Add release:<service> labels to auto-release on merge (+ optional bump:minor or bump:major, default is patch).
Or add no-release to skip.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: dd2a9a88-1237-4a38-8889-1e39c7fdda2b

📥 Commits

Reviewing files that changed from the base of the PR and between d4f219f and a67831b.

📒 Files selected for processing (6)

• WINDOWS_SESSION0_STATUS.md
• docs/scripts/HANDOFF-modal-s3-sync.md
• libs/cua-bench/plan.md
• libs/cua-driver-rs/DEV_LOOP_WINDOWS_VM.md
• libs/python/mcp-server/QUICK_TEST_COMMANDS.sh
• libs/python/mcp-server/quick_test_local_option.py

💤 Files with no reviewable changes (6)

• WINDOWS_SESSION0_STATUS.md
• docs/scripts/HANDOFF-modal-s3-sync.md
• libs/cua-driver-rs/DEV_LOOP_WINDOWS_VM.md
• libs/cua-bench/plan.md
• libs/python/mcp-server/QUICK_TEST_COMMANDS.sh
• libs/python/mcp-server/quick_test_local_option.py

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📝 Walkthrough

Walkthrough

This PR removes six documentation and script files across the repository: Windows Session-0 stabilization status, Modal-to-S3 handoff guidance, RL training architecture planning, Windows VM development reference, and MCP server quick-test infrastructure. The removal totals 1,158 lines of development-time documentation and testing utilities.

Changes

Documentation and Script Cleanup

Layer / File(s)	Summary
MCP server quick-test script removal libs/python/mcp-server/QUICK_TEST_COMMANDS.sh, libs/python/mcp-server/quick_test_local_option.py	The QUICK_TEST_COMMANDS.sh bash script and quick_test_local_option.py helper module, which provided local testing entry points for CUA_USE_HOST_COMPUTER_SERVER mode validation, are removed.
Windows and deployment handoff documentation WINDOWS_SESSION0_STATUS.md, docs/scripts/HANDOFF-modal-s3-sync.md, libs/cua-driver-rs/DEV_LOOP_WINDOWS_VM.md	Windows Session-0 stabilization status, Modal-to-S3 sync workflow documentation, and Windows VM development iteration guidance are deleted.
RL training architecture planning libs/cua-bench/plan.md	The documented RL training loop architecture for Tinker PPO integration with cua-bench trace collection and checkpoint management is removed.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• trycua/cua#1548: This PR removes Session-0 stabilization and Windows VM development documentation (WINDOWS_SESSION0_STATUS.md and DEV_LOOP_WINDOWS_VM.md) that accompanied the Windows hardening work introduced in that PR.

Poem

🐰 Away with the drafts and the helper scripts go,
Old handoff notes fade as the seasons blow,
The quick-tests are gone, the plans filed away,
Cleaner directories greet the new day! 📝✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: removing internal documentation and scratchpad files that were accidentally committed. It is concise, specific, and directly related to the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/remove-leaked-internal-docs

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[sentry]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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