3bdc6ff1c9
## Security Enhancements (P0) - Add input validation with max_length and numeric range constraints - Implement WebSocket token authentication via first message - Add path traversal prevention in file storage service ## Permission Enhancements (P0) - Add project member management for cross-department access - Implement is_department_manager flag for workload visibility ## Cycle Detection (P0) - Add DFS-based cycle detection for task dependencies - Add formula field circular reference detection - Display user-friendly cycle path visualization ## Concurrency & Reliability (P1) - Implement optimistic locking with version field (409 Conflict on mismatch) - Add trigger retry mechanism with exponential backoff (1s, 2s, 4s) - Implement cascade restore for soft-deleted tasks ## Rate Limiting (P1) - Add tiered rate limits: standard (60/min), sensitive (20/min), heavy (5/min) - Apply rate limits to tasks, reports, attachments, and comments ## Frontend Improvements (P1) - Add responsive sidebar with hamburger menu for mobile - Improve touch-friendly UI with proper tap target sizes - Complete i18n translations for all components ## Backend Reliability (P2) - Configure database connection pool (size=10, overflow=20) - Add Redis fallback mechanism with message queue - Add blocker check before task deletion ## API Enhancements (P3) - Add standardized response wrapper utility - Add /health/ready and /health/live endpoints - Implement project templates with status/field copying ## Tests Added - test_input_validation.py - Schema and path traversal tests - test_concurrency_reliability.py - Optimistic locking and retry tests - test_backend_reliability.py - Connection pool and Redis tests - test_api_enhancements.py - Health check and template tests Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
24 lines
1.0 KiB
Markdown
24 lines
1.0 KiB
Markdown
# Tasks: Add Cycle Detection
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## 1. Task Dependency Cycle Detection
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- [x] 1.1 Implement DFS-based cycle detection algorithm in dependency_service.py
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- [x] 1.2 Add validation hook when creating/updating task dependencies
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- [x] 1.3 Return 400 Bad Request with cycle path details when detected
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- [x] 1.4 Add cycle detection check in bulk dependency operations
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## 2. Formula Field Cycle Detection
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- [x] 2.1 Parse formula field references to build dependency graph
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- [x] 2.2 Implement cycle detection for formula field references
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- [x] 2.3 Add validation when saving custom field formulas
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- [x] 2.4 Return descriptive error showing the cycle path
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## 3. Frontend Feedback
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- [x] 3.1 Display user-friendly error message when cycle detected
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- [x] 3.2 Optionally highlight the problematic dependencies in UI
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## 4. Testing
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- [x] 4.1 Add unit tests for cycle detection algorithm
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- [x] 4.2 Test direct circular dependency (A -> B -> A)
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- [x] 4.3 Test indirect circular dependency (A -> B -> C -> A)
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- [x] 4.4 Test formula field circular references
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