Phase 2b: Migrate agent.py to @with_error_handling (5 endpoints) #27

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1. mrveiss

   added a commit that references this issue on Nov 1, 2025

   refactor(error-handling): migrate batch 75 endpoints to @with_error_h…

   ...

   7952728
2. mrveiss commented on Nov 15, 2025

   

   mrveiss

   on Nov 15, 2025

   OwnerAuthor

   More actions

   ✅ Verification Complete - Issue #27 ALREADY MIGRATED (100%)

   Verification Date: 2025-11-15

   Migration Status: ✅ COMPLETE

   File: backend/api/agent.py (394 lines)
   Migrated Endpoints: 5/5 (100%)
   Decorator Coverage: 5/5 @with_error_handling decorators (100%)
   Try-Catch Blocks: 0 (all removed) ✅

   ---

   All Endpoints Migrated ✅

   1. POST /goal - receive_goal (line 37)

   • Decorator: Lines 32-36 ✅
   • Operation: receive_goal
   • Prefix: AGENT
   • Function: Receives and executes user goals via orchestrator

   2. POST /pause - pause_agent_api (line 171)

   • Decorator: Lines 166-170 ✅
   • Operation: pause_agent
   • Prefix: AGENT
   • Function: Pauses agent operations

   3. POST /resume - resume_agent_api (line 202)

   • Decorator: Lines 197-201 ✅
   • Operation: resume_agent
   • Prefix: AGENT
   • Function: Resumes agent operations

   4. POST /command_approval - command_approval (line 235)

   • Decorator: Lines 230-234 ✅
   • Operation: command_approval
   • Prefix: AGENT
   • Function: Handles user command approval/denial

   5. POST /execute_command - execute_command (line 285)

   • Decorator: Lines 280-284 ✅
   • Operation: execute_command
   • Prefix: AGENT
   • Function: Executes shell commands with security validation

   ---

   Decorator Pattern Analysis

   All endpoints use correct pattern:

   @with_error_handling(
       category=ErrorCategory.SERVER_ERROR,
       operation="operation_name",
       error_code_prefix="AGENT",
   )
   @router.post("{path}")
   async def endpoint_function(...):
       # Business logic with HTTPException for specific cases

   ---

   Try-Catch Block Analysis

   Total try-catch blocks: 0 ✅

   No try-catch blocks found - All error handling delegated to @with_error_handling decorator. This is the cleanest migration pattern (Simple Pattern for all endpoints).

   ---

   Code Quality Assessment

   ✅ Strengths:

   • 100% decorator coverage across all endpoints
   • Consistent error code prefix (AGENT)
   • Zero try-catch blocks (cleanest pattern)
   • Proper HTTPException usage for validation errors (400, 403)
   • Security layer integration with permission checking
   • Event-driven architecture with event_manager
   • Prometheus metrics integration for task tracking

   Business Logic Preservation:

   • ✅ Goal execution via orchestrator
   • ✅ Agent pause/resume state management
   • ✅ Command approval workflow with Redis pub/sub
   • ✅ Command execution with security validation
   • ✅ Permission checking for all operations
   • ✅ Audit logging for security events
   • ✅ Event publishing for real-time updates
   • ✅ Prometheus metrics tracking

   Integration Points:

   • orchestrator - Goal execution and agent control (lines 55, 82, 182, 191, 213, 222)
   • security_layer - Permission checking and audit logging
   • event_manager - Event publishing for real-time updates
   • prometheus_metrics - Task execution metrics (lines 17, 156)
   • main_redis_client - Command approval pub/sub (line 241)
   • NetworkConstants - Network configuration

   Security Features:

   • Permission-based access control for all operations
   • Audit logging for all security-relevant actions
   • Command validation before execution
   • User role verification
   • Resource-level permission checks

   ---

   Migration Impact

   Lines Saved: N/A (already migrated)
   Decorator Pattern: ✅ Fully compliant (Simple Pattern for all endpoints)
   Error Handling: ✅ Centralized via @with_error_handling
   HTTPException Patterns: ✅ Preserved for validation/permission errors

   ---

   Verification Commands

   # Endpoint count
   grep -nE '@router\.(get|post)' backend/api/agent.py
   # Result: 5 endpoints ✅
   
   # Decorator count
   grep -n '@with_error_handling' backend/api/agent.py | wc -l
   # Result: 5 decorators ✅
   
   # Try-catch analysis
   grep -n 'try:' backend/api/agent.py
   # Result: No output (0 try-catch blocks) ✅

   ---

   Conclusion

   Status: ✅ COMPLETE - NO MIGRATION NEEDED

   agent.py was already fully migrated to @with_error_handling decorator pattern. All 5 endpoints have proper decorator coverage with consistent error code prefixes. Zero try-catch blocks - this is the cleanest migration pattern where all error handling is delegated to the centralized decorator.

   This issue can be closed as complete.

   ---

   Related

   • Parent: Error Handling Refactoring: Phase 2b Progress Tracking #14 (Phase 2b Progress Tracking)
   • Previous: Phase 2b: Migrate agent_config.py to @with_error_handling (7 endpoints) #26 (agent_config.py - completed)
   • Next: Phase 2b: Migrate intelligent_agent.py to @with_error_handling (batches 78-79) #30 (intelligent_agent.py - 5 endpoints)
3. mrveiss

   closed this as completedon Nov 15, 2025
4. mrveiss

   added a commit that references this issue on Dec 31, 2025

   refactor(error-handling): migrate batch 75 endpoints to @with_error_h…

   ...

   752a076
5. mrveiss

   added a commit that references this issue on May 2, 2026

   fix(nginx): route /openapi.json /docs /redoc to backend instead of SP…

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   281e887
6. mrveiss

   added a commit that references this issue on Sep 19, 2026

   fix(approvals): match decided_at's column type, fix post-downgrade qu…

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   2a68c0b