[mintuhouse]

• Make existing sandbox commands, files, uploads, and workspace reuse reliable under concurrency, cancellation, and shutdown. Main already supports these capabilities, but its lifecycle bookkeeping can lose ownership or remove a workspace while it is still being used.
• Protect long and overlapping chat runs with active leases. Start the 15-minute idle period only after the final run closes, rather than expiring a workspace based on its last provisioning timestamp.
• Reserve capacity before contacting the provider, so pending creations count toward the per-process limit of 25. Evict only idle workspaces and wait for deletion before admitting a replacement, preventing bursts from bypassing the cap or evicting active work.
• Track native provider operations through cancellation and timeouts. Clean up late creation results, keep workspaces fenced until deletion actually settles, and retain reported deletion failures for retry instead of forgetting them.
• Include the configured provider connection in workspace identity, so switching an agent between connections starts a separate workspace instead of colliding with an older cached allocation.
• Await bounded cleanup during development-server shutdown and reload, including repeated SIGINT or SIGTERM signals, so the worker can release its sandboxes before exiting.
• Express run ownership through Effect scopes, separate lease management from session setup, and inject the provider factory through an Effect service and layer.
• Stabilize the existing browser toast assertions and preserve lifecycle, isolation, cancellation, and shutdown regression coverage.
• Keep ownership process-local in this PR. Durable recovery after abrupt process loss, its database migration, and provider-specific adapter fixes belong to follow-up #348, which uses a 15-minute ownership deadline.

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-22T18:16:37.015962Z	791ff62	New commits
🔒 Security Review	✅ Completed 2026-10-22T10:53:18.134637Z	70c8df8	PR opened

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review" or "@codex security review".

Codex reacts with 👀 while any review is running, comments if it has suggestions, and reacts with 👍 once all reviews finish with no findings.

[mintuhouse]

Final validation for head 791ff6216ab22aa5193032f9f03bbeec407349fc, integrated with main 373aa29b8:

• Thorough final review found no new blocking issues. Both reported lifecycle races remain fixed, covered, and resolved. The requested Cursor review of preceding head acee0f489 and automated code review of this exact head completed with no new issues.
• Preserved main's pricing lookup and usage-cost persistence when resolving the chat conflict. The diff remains 16 sandbox-related files, with no migration, dependency, or AGENTS changes relative to main.
• Local Platform full gate: 648 tests passed, 2 skipped, 109.48s. Formatting, OpenAPI consistency, type-aware lint, Knip, production build including /docs prerendering, and compiled-binary smoke passed against a freshly migrated disposable database. The database was dropped.
• Platform browser suite with the real Docker connection test: 15 passed, 7.6m, zero retries.
• Todos deterministic browser suite: 65 passed, 2.4m on an unchanged-head full rerun. Its first run had 64 passes and an inherited directory-test route-response teardown failure (Response has been disposed). The trace placed the error after test-body completion, and the isolated case passed before the full rerun. The test and its SDK/API implementation match main, so no unrelated source change was added here.
• Container inventory matches the pre-run baseline exactly. All five test-server ports were released.
• All current-head hosted checks pass. No actionable review feedback remains.

Durable recovery, its database migration, and provider patches remain in follow-up #348.

[mintuhouse]

@cursor review

[cloudflare-workers-and-pages]

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	www-astralbeam-ai	791ff62	Commit Preview URL Branch Preview URL	Oct 22 2026, 06:17 PM

[cursor]

Stale Bugbot comment from a previous run.

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: d5781fdf63

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".

[mintuhouse]

@cursor review

[cursor]

✅ Bugbot reviewed your changes and found no new issues!

Comment @cursor review or bugbot run to trigger another review on this PR

^{Reviewed by Cursor Bugbot for commit acee0f4. Configure here.}