fix(extension): google token paste alongside browser OAuth (Claude-style)

[Rchari1]

Fixes the reported 'google connectors don't work' — now supports paste-a-token the same way Claude and other AI connectors do.

What changed

• fix: google token auth like Claude + revert dock blank + restart opencode#210 (companion — already pushed): Google connectors advertise [token,browser] for google/google-drive, not browser-only. probeGoogle/probeGoogleDrive already validate pasted tokens via POST /amicode/connections/credential; the UI (connections.ts, connection-picker.tsx) now offers token input + browser button for Google, same as Slack/GitHub. Validated via probeGoogle (tokeninfo) and probeGoogleDrive (drive/v3/about).

• This repo: server_manager.ts logs the dual support so diagnostics don't mislead — the extension host already proxies connections-credential via chat_bridge to the local server, no proxy change needed.

Verification

• Picker for Google shows 'Paste Google token (or use browser below)' + 'Sign in with browser'.
• Card for Google shows Token/Browser chooser when unconfigured; token paste hits /amicode/connections/credential → probeGoogle.
• Browser flow still works (BROWSER env logged, real Google OAuth URL).

Fixes #335 follow-up

Summary by CodeRabbit

• New Features
  • Added support messaging for pasting Google connector tokens during setup, alongside browser-based OAuth.

[coderabbitai]

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 1f0b0fc and c2afbeb.

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• packages/extension/src/server_manager.ts

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📝 Walkthrough

Walkthrough

The extension updates server startup output to document Google connector token-paste support alongside browser-based OAuth. Existing browser and IPC environment logging remains unchanged.

Changes

Google connector messaging

Layer / File(s)	Summary
Document Google authentication options packages/extension/src/server_manager.ts	Startup output now lists Google token-paste and browser-based OAuth support.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to c2afb

This localized change only improves logging for Google token and browser sign-in support; no actionable merge-blocking risk remains beyond normal checks and review.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR addresses Google authentication but does not implement the linked issue's Gmail read or Google Sheets write capabilities.	Implement and validate Gmail read and Google Sheets write operations, or link the remaining implementation in this PR.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the Google token-paste authentication change alongside browser OAuth.
Out of Scope Changes check	✅ Passed	The logging change supports the stated Google dual-authentication objective and does not introduce unrelated code changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ 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 fix/google-token-via-token

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