Add Browser Redirect Link on Update Failures

[DisabledAbel]

Provides an action button/link to manually open the update/release URL in a browser if the automated in-app download or signature validation fails (such as when upgrading between debug and release variants). Updates both the native AlertDialog error paths and the Jetpack Compose UpdateDialogScreen error UI.

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PR created automatically by Jules for task 14134903815668154225 started by @DisabledAbel

Summary by CodeRabbit

• Bug Fixes
  • Update error dialogs now provide an “Open in Browser” option when a release or APK link is available.
  • Improved handling of browser-launch failures without disrupting the update flow.
  • Preserved the existing “Update Now” action when no update link is available.

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: c65f4dc0-fd1c-477b-8522-f9e9f84b1391

📥 Commits

Reviewing files that changed from the base of the PR and between 135864f and 84f5db9.

📒 Files selected for processing (1)

• app/src/main/java/com/tunnelguard/app/update/UpdateDialogScreen.kt

📝 Walkthrough

Walkthrough

Update error handling now uses cached release or APK URLs to offer an “Open in Browser” action. If no URL exists, the existing “Update Now” behavior remains. Browser-launch failures are caught and logged or ignored.

Changes

Update error browser fallback

Layer / File(s)	Summary
Browser fallback actions app/src/main/java/com/tunnelguard/app/UpdateManager.kt, app/src/main/java/com/tunnelguard/app/update/UpdateDialogScreen.kt	Update error flows resolve cached release or APK URLs. They show an “Open in Browser” action when a nonblank URL exists and retain the existing update action otherwise. Browser-launch failures are handled safely.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• DisabledAbel/TunnelGuard#12: Introduces the related UpdateManager and update-dialog behavior.
• DisabledAbel/TunnelGuard#17: Extends the related UpdateRepository and update UI flow.
• DisabledAbel/TunnelGuard#22: Introduces the cache APIs used by the update dialog.

🚥 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 clearly summarizes the main change: adding a browser link for update failures.
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.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@app/src/main/java/com/tunnelguard/app/update/UpdateDialogScreen.kt`:
- Around line 84-86: Update the exception handler around
context.startActivity(intent) to log the caught exception and provide the user
with a brief failure message or invoke the established failure callback,
matching the behavior used by UpdateManager.showUpdateErrorDialog instead of
silently ignoring the failure.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 9994975e-f36e-4e29-9492-f896a183a16b

📥 Commits

Reviewing files that changed from the base of the PR and between c61bbad and 135864f.

📒 Files selected for processing (2)

• app/src/main/java/com/tunnelguard/app/UpdateManager.kt
• app/src/main/java/com/tunnelguard/app/update/UpdateDialogScreen.kt