feat(extension): bring Sim chat and page context to Chrome by waleedlatif1 · Pull Request #9454 · simstudioai/sim

waleedlatif1 · 2026-10-29T21:36:22Z

Summary

Add a Chrome side panel using Sim's existing chat components, authentication, history, permissions, and Mothership engine. Organization chat is the default; workspaces remain optional, and search-only members use Assistant.
Capture a page or selection explicitly through the toolbar, shortcut, context menu, or composer + menu. Use shared attachment chips and previews, compact header controls, and platform tooltips. Hide the extension's model picker and label its speed toggle “Fast mode”.
Enforce bounded extraction, document/window/conversation isolation, exact-origin messaging, replay exclusion, and minimal permissions. Keep page bytes out of extension storage and persisted drafts while preserving ordinary text and files.
Preserve active drafts through transient refetch failures, revalidate access and chat policy while the panel is active, preserve drafts during Assistant fallback, fail closed on revocation, keep forks inside the extension, and preserve completed responses until saved history confirms them. Recover workspace selection after temporary failures or session expiry, retain drafts through permission-policy outages, and enforce policy independently of access-request settings. Restricted panels retain navigation back to chat. Use the shared production build for authenticated browser acceptance.

Type of Change

New feature

Testing

All nine cleanup passes completed. Root lint, 28 workspace type-checks, 62 audits, test-type ratchet, workflow lint, generated artifacts, and block-registry validation passed.
Root test suite: 42,015 passed, 8 skipped.
Production app build passed. Authenticated production acceptance: 33 checks passed, including real Mothership responses in workspace chat, organization chat, and Assistant; queue editing, reload, forking, ownership, first-open capture, idle access and permission revocation, shared-workspace navigation, attachment recovery, and full-app replay privacy. Live streaming and idle access revocation use native browser timing; simulated cache freshness runs afterward. Organization UI regression suite: 17 checks passed.
Packaged Chromium transport: 18 checks passed. Native Chrome QA: 10 checks passed, including toolbar/shortcut/context-menu capture, real permission denial/grant/revocation, file picking, panel reopening, and window isolation.
Targeted regressions were reproduced before their fixes or by removing their guards. Production acceptance produced 72 screenshots, covering light/dark themes, 320px/390px layouts, menus and scroll edges, previews, attachments, queues, and recovery states. The local gallery includes six additional native Chrome screenshots. CI uploads reports and screenshots.
Chrome Web Store publication and deployed enterprise SSO remain release checks.

Checklist

Code follows project style guidelines
Self-reviewed my changes
Tests added/updated and passing (new tests pass the test-audit authoring gate)
No new warnings introduced
I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

vercel · 2026-10-29T21:36:28Z

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Project	Deployment	Actions	Updated
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All reported issues were addressed across 69 files

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greptile-apps · 2026-10-29T21:43:46Z

Confidence Score: 5/5

[Medium impact] The changes appear safe to merge; no new blocking issue was found.

Summary

Adds a Chrome side panel that shares Sim chat, sign-in, history, and explicit page attachments.

Chrome users can open Sim chat in a side panel and choose an organization or workspace.
People can attach a bounded page snapshot to Sim chat and view it with the message.
Sim chat keeps pending drafts and completed replies while supporting the extension composer.

No new actionable issues were found. The seven supplied, unnumbered review threads were rechecked against the current code; their fixes remain present.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart TD
  A[Chrome side panel] --> B[Hosted Sim chat]
  C[User attaches page or selection] --> D[Bounded page snapshot]
  D --> B
  B --> E[Existing chat request and saved history]
  F[Current workspace policy] --> G{Chat allowed?}
  G -->|Yes| B
  G -->|No| H[Access required]
  H --> I[Back to organization chat]

_{Reviews (7) · Last reviewed commit: "fix(extension): enforce policy independe..." · Reviewed by Greptile}

waleedlatif1 · 2026-10-30T01:54:09Z

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All reported issues were addressed across 96 files

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waleedlatif1 · 2026-10-30T04:04:20Z

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All reported issues were addressed across 96 files

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waleedlatif1 · 2026-10-30T06:00:20Z

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All reported issues were addressed across 102 files

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waleedlatif1 · 2026-10-30T07:29:02Z

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No issues found across 103 files

Confidence score: 5/5

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waleedlatif1 · 2026-10-30T08:32:53Z

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No issues found across 104 files

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waleedlatif1 · 2026-10-30T09:17:27Z

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No issues found across 106 files

Confidence score: 5/5

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waleedlatif1 requested a review from a team as a code owner October 29, 2026 21:36

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Comment thread apps/sim/scripts/test-browser-extension-e2e.ts Outdated

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Comment thread .../sim/app/workspace/[workspaceId]/home/components/message-content/components/page-context.tsx Outdated

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waleedlatif1 force-pushed the codex/browser-extension branch from 145901b to 074689c Compare October 30, 2026 04:03

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waleedlatif1 force-pushed the codex/browser-extension branch from 4ad99bb to 5e21f8e Compare October 30, 2026 07:28

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waleedlatif1 added 8 commits October 30, 2026 01:17

feat(extension): bring Sim chat and page context to Chrome

5f7f087

refactor(extension): consolidate page capture in the chat composer

5633580

fix(extension): align shared chat and harden capture lifecycle

56e9d1d

fix(extension): revalidate access and protect page previews

409c3c4

fix(extension): refresh permissions and retain completed answers

0c2b908

fix(extension): keep workspace selection recoverable

e1e3122

chore(extension): tighten production QA evidence

e078c36

fix(extension): retain drafts through permission-policy outages

9c9151f

waleedlatif1 force-pushed the codex/browser-extension branch from 5e21f8e to 9c9151f Compare October 30, 2026 08:32

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fix(extension): enforce policy independently of access requests

47eadc4

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waleedlatif1 merged commit 5facc5f into staging Oct 30, 2026
77 checks passed

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Summary

Type of Change

Testing

Checklist

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Diagram

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