Revert "Implement async user data export queue and move export/delete to Privacy screen"

[fortune710]

Reverts #54

Summary by CodeRabbit

• New Features

  • Added data export functionality allowing users to download their profile data in JSON or HTML format.
  • Added account deletion capability with confirmation dialog.

• Updates

  • Redesigned settings interface with integrated export and delete account options.
  • Streamlined export and account management flows for improved user experience.

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Project	Deployment	Actions	Updated (UTC)
keepsafe	Building	Preview, Comment	Feb 13, 2026 9:12pm

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This PR consolidates user data export functionality from an asynchronous background job system to a simplified synchronous HTTP endpoint. The changes remove legacy async export infrastructure, job scheduling, and file-based storage while introducing a new GET /user/{user_id}/export endpoint supporting JSON and HTML formats, alongside refactored frontend export and delete account UI flows.

Changes

Cohort / File(s)	Summary
Backend Export Consolidation backend/routers/user.py	Replaced async export job system with synchronous GET /user/{user_id}/export endpoint. Adds html to ExportFormat enum. Implements inline data fetching, validation, sanitization, and format-specific rendering (JSON/HTML) with strengthened authorization checks and logging. Removes 399 lines of legacy async/job management code.
Frontend Settings UI Redesign frontend/app/settings/index.tsx	Added new export data and delete account flows with state management (isExporting, isDeleting), authorization checks, error handling, and user feedback via alerts and activity indicators. Refactored settings layout with header, profile section, and mapped settings items including new Export Data and Delete Account actions with dynamic loading states.
Frontend Privacy Cleanup frontend/app/settings/privacy.tsx	Removed comprehensive export/polling/download logic and delete account backend integration. Simplified UI to static labels and straightforward confirmation dialogs. Eliminates auth dependency, file system access, and related utilities, reducing file from 330 to 19 lines of substantive change.
Dependency Update frontend/package.json	Updated expo-background-task from ~1.0.8 to ~1.0.10.

Sequence Diagram(s)

sequenceDiagram
    participant Client as Frontend Client
    participant Server as Backend API
    participant DB as User Data Store

    Client->>Client: User clicks Export Data
    Client->>Client: Validate auth token & profile ID
    
    Client->>Server: GET /user/{user_id}/export?format=json/html<br/>+ Authorization header
    
    Server->>Server: Authenticate caller
    Server->>Server: Verify user ownership
    
    Server->>DB: Fetch user profile
    DB-->>Server: User profile data
    
    Server->>DB: Fetch user entries
    DB-->>Server: Entries list
    
    Server->>DB: Fetch friendships
    DB-->>Server: Friendships data
    
    Server->>Server: Cleanse data (remove None values)
    Server->>Server: Format as JSON or HTML<br/>(sanitize URLs, escape content)
    
    Server-->>Client: HTTP response with export data
    Client->>Client: Download file via blob/share
    Client->>Client: Show success/failure feedback

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• Implement async user data export queue and move export/delete to Privacy screen #54: Directly related—adds async export job system, helpers, and state management that this PR removes in favor of a simplified synchronous endpoint
• feat: Implement User Data Export (JSON & HTML) #8: Directly related—implements the same user data export feature with ExportFormat (json/html) and GET /user/{user_id}/export endpoint with matching frontend UI integration

Poem

🐰 From async queues we hop away,
One endpoint now saves the day!
JSON and HTML in sync we blend,
Export flows simplified, my friend! ✨

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch revert-54-main

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