Fix #6881: Add intent to Failed Upload notification to open Failed tab

[Kishan8548]

Description (required)

Fixes #6881

What changes did you make and why?

• Added missing PendingIntent: The showErrorNotification method in UploadWorker.kt was missing a PendingIntent, which caused tapping on the "Failed to upload" error notification to do nothing. I added the intent to correctly launch UploadProgressActivity.
• Direct routing to FAILED tab: When an upload fails, clicking the notification should ideally open the "FAILED" tab directly instead of defaulting to the "PENDING" tab.
  • I updated UploadWorker.getPendingIntent() to accept a targetTab argument, and added it to the intent extras.
  • Crucially, I set targetTab as the requestCode to ensure the Android OS treats it as a unique PendingIntent, preventing FLAG_IMMUTABLE from reusing a previous intent and ignoring our extras.
  • Finally, I updated UploadProgressActivity to check for this upload_target_tab extra and switch the ViewPager to the correct tab on launch.

Tests performed (required)

Tested ProdDebug on POCO F6 with API level 36.

• Forced a network failure by starting an upload and immediately toggling off the internet connection.
• Verified that tapping the "Failed to upload" notification successfully launches the app and opens the correct "FAILED" tab inside the Uploads activity.

Screenshots (for UI changes only)

Screenrecorder-2026-05-12-21-17-13-782.mp4

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[Copilot]

Pull request overview

This PR fixes issue #6881 by making “Failed to upload” notifications actionable: tapping them now opens UploadProgressActivity and routes directly to the FAILED uploads tab.

Changes:

• Added a PendingIntent to the failed/error upload notifications so taps launch UploadProgressActivity.
• Extended UploadWorker.getPendingIntent() to accept a targetTab and pass it via intent extras (and as the requestCode).
• Updated UploadProgressActivity to read the tab extra on launch and switch to the requested tab.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
app/src/main/java/fr/free/nrw/commons/upload/worker/UploadWorker.kt	Adds notification PendingIntents and passes a target-tab extra via getPendingIntent()
app/src/main/java/fr/free/nrw/commons/upload/UploadProgressActivity.kt	Reads upload_target_tab extra and sets the initial ViewPager tab accordingly

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✅ Generated APK variants!

• 🤖 Download prodDebugAPK
• 🤖 Download betaDebugAPK