fix: recover Google sign-in after failed initiation

[groupthinking]

Canonical issue

Closes #

Outcome

Restores the Google sign-in button to a retryable state after a failed initiation.

Scope

• Included: Client-side GoogleSignInButton state recovery.
• Explicitly excluded: Server-side auth, OAuth credentials, proxy policy.

Risk

• Risk level: low
• Failure mode: Button remains disabled.
• Rollback: Revert commit.

Verification

• Focused tests
• Required CI
• Review threads resolved

Production evidence

N/A (Client-side fix, verified via tests)

Agent handoff

• One canonical issue is linked
• No competing PR implements the same issue
• Acceptance criteria are satisfied
• Required checks pass on the current head
• Human decision is requested only for product, security, irreversible infrastructure, or production approval

[vercel]

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Project	Deployment	Actions	Updated
v0-uvai	Canceled	v0	Sep 17, 2026 4:27am UTC

[coderabbitai]

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Snapshot Warnings

⚠️: No snapshots were found for the head SHA cf61490.

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Scanned Files

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[groupthinking]

@copilot resolve the merge conflicts in this pull request

[groupthinking]

@copilot resolve the merge conflicts in this pull request

[Copilot]

🟢 Approved

The focused implementation matches the stated scope and includes adequate regression coverage.

Pull request overview

Restores Google OAuth initiation recovery so users can retry failed sign-ins.

Changes:

• Recovers button state after rejection or stalled handoff.
• Shows a generic accessible error and adds focus styling.
• Adds tests for failures, handoff timeout, and duplicate prevention.

File summaries

File	Description
GoogleSignInButton.tsx	Adds retry recovery and error feedback.
GoogleSignInButton.test.tsx	Covers recovery and duplicate submissions.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Balanced

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[Copilot]

@copilot resolve the merge conflicts in this pull request

Resolved in a535790 by merging main into this branch, fixing the two Google sign-in conflicts, and rerunning the focused login button tests plus web type-check.

@copilot resolve the merge conflicts in this pull request

Resolved in a535790 by merging main into this branch, fixing the two Google sign-in conflicts, and rerunning the focused login button tests plus web type-check.

[kk-agent]

AXIOM keep-moving: named survivor for GoogleSignInButton initiation-retry cluster. Duplicates #1978/#1995 closed. Linked issues #1987/#2002. Merge when CI green — do not wait on draft theater.

[kk-agent]

Closed — duplicate of #1971

Same Google sign-in retry residual. Canonical PR: #1971. Issue residual: #2002.