fix: consolidate coordinator-api entrypoints

- Fix app.py to properly import FastAPI app from main.py
- Remove unused python_13_optimized.py variant
- Ensure single clean entrypoint for coordinator-api service
- Systemd wrapper uses app.main:app which now properly resolves

apps/coordinator-api/src/app/app.py

@@ -3,3 +3,5 @@ import os
 import sys
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from .main import app

apps/coordinator-api/src/app/python_13_optimized.py

@@ -1,259 +0,0 @@
-"""
-Python 3.13.5 Optimized FastAPI Application
-
-This demonstrates how to leverage Python 3.13.5 features
-in the AITBC Coordinator API for improved performance and maintainability.
-"""
-
-import time
-from contextlib import asynccontextmanager
-from typing import TypeVar, override
-
-from fastapi import FastAPI, Request
-from fastapi.exceptions import RequestValidationError
-from fastapi.middleware.cors import CORSMiddleware
-from fastapi.responses import JSONResponse
-
-from .config import settings
-from .storage import init_db
-
-# ============================================================================
-# Python 13.5 Type Parameter Defaults for Generic Middleware
-# ============================================================================
-
-T = TypeVar("T")
-
-
-class GenericMiddleware[T]:
-    """Generic middleware base class using Python 3.13 type parameter defaults"""
-
-    def __init__(self, app: FastAPI) -> None:
-        self.app = app
-        self.metrics: list[T] = []
-
-    async def record_metric(self, metric: T) -> None:
-        """Record performance metric"""
-        self.metrics.append(metric)
-
-    @override
-    async def __call__(self, scope: dict, receive, send) -> None:
-        """Generic middleware call method"""
-        start_time = time.time()
-
-        # Process request
-        await self.app(scope, receive, send)
-
-        # Record performance metric
-        end_time = time.time()
-        processing_time = end_time - start_time
-        await self.record_metric(processing_time)
-
-
-# ============================================================================
-# Performance Monitoring Middleware
-# ============================================================================
-
-
-class PerformanceMiddleware:
-    """Performance monitoring middleware using Python 3.13 features"""
-
-    def __init__(self, app: FastAPI) -> None:
-        self.app = app
-        self.request_times: list[float] = []
-        self.error_count = 0
-        self.total_requests = 0
-
-    async def __call__(self, scope: dict, receive, send) -> None:
-        start_time = time.time()
-
-        # Track request
-        self.total_requests += 1
-
-        try:
-            await self.app(scope, receive, send)
-        except Exception:
-            self.error_count += 1
-            raise
-        finally:
-            # Record performance
-            end_time = time.time()
-            processing_time = end_time - start_time
-            self.request_times.append(processing_time)
-
-            # Keep only last 1000 requests to prevent memory issues
-            if len(self.request_times) > 1000:
-                self.request_times = self.request_times[-1000:]
-
-    def get_stats(self) -> dict:
-        """Get performance statistics"""
-        if not self.request_times:
-            return {"total_requests": self.total_requests, "error_rate": 0.0, "avg_response_time": 0.0}
-
-        avg_time = sum(self.request_times) / len(self.request_times)
-        error_rate = (self.error_count / self.total_requests) * 100
-
-        return {
-            "total_requests": self.total_requests,
-            "error_rate": error_rate,
-            "avg_response_time": avg_time,
-            "max_response_time": max(self.request_times),
-            "min_response_time": min(self.request_times),
-        }
-
-
-# ============================================================================
-# Enhanced Error Handler with Python 3.13 Features
-# ============================================================================
-
-
-class EnhancedErrorHandler:
-    """Enhanced error handler using Python 3.13 improved error messages"""
-
-    def __init__(self, app: FastAPI) -> None:
-        self.app = app
-        self.error_log: list[dict] = []
-
-    async def __call__(self, request: Request, call_next):
-        try:
-            return await call_next(request)
-        except RequestValidationError as exc:
-            # Python 3.13 provides better error messages
-            error_detail = {
-                "type": "validation_error",
-                "message": "Validation failed",
-                "errors": exc.errors() if hasattr(exc, "errors") else [],
-                "timestamp": time.time(),
-                "path": request.url.path,
-                "method": request.method,
-            }
-
-            self.error_log.append(error_detail)
-
-            return JSONResponse(status_code=422, content={"detail": error_detail})
-        except Exception as exc:
-            # Enhanced error logging
-            error_detail = {
-                "type": "internal_error",
-                "message": "Internal error occurred",
-                "timestamp": time.time(),
-                "path": request.url.path,
-                "method": request.method,
-            }
-
-            self.error_log.append(error_detail)
-
-            return JSONResponse(status_code=500, content={"detail": "Internal server error"})
-
-
-# ============================================================================
-# Optimized Application Factory
-# ============================================================================
-
-
-def create_optimized_app() -> FastAPI:
-    """Create FastAPI app with Python 3.13.5 optimizations"""
-
-    # Initialize database
-    init_db()
-
-    # Create FastAPI app
-    app = FastAPI(
-        title="AITBC Coordinator API",
-        description="Python 3.13.5 Optimized AITBC Coordinator API",
-        version="1.0.0",
-        python_version="3.13.5+",
-    )
-
-    # Add CORS middleware
-    app.add_middleware(
-        CORSMiddleware,
-        allow_origins=settings.allow_origins,
-        allow_credentials=True,
-        allow_methods=["*"],
-        allow_headers=["*"],
-    )
-
-    # Add performance monitoring
-    performance_middleware = PerformanceMiddleware(app)
-    app.middleware("http")(performance_middleware)
-
-    # Add enhanced error handling
-    error_handler = EnhancedErrorHandler(app)
-    app.middleware("http")(error_handler)
-
-    # Add performance monitoring endpoint
-    @app.get("/v1/performance")
-    async def get_performance_stats():
-        """Get performance statistics"""
-        return performance_middleware.get_stats()
-
-    # Add health check with enhanced features
-    @app.get("/v1/health")
-    async def health_check():
-        """Enhanced health check with Python 3.13 features"""
-        return {
-            "status": "ok",
-            "env": settings.app_env,
-            "python_version": "3.13.5+",
-            "database": "connected",
-            "performance": performance_middleware.get_stats(),
-            "timestamp": time.time(),
-        }
-
-    # Add error log endpoint for debugging
-    @app.get("/v1/errors")
-    async def get_error_log():
-        """Get recent error logs for debugging"""
-        error_handler = error_handler
-        return {"recent_errors": error_handler.error_log[-10:], "total_errors": len(error_handler.error_log)}  # Last 10 errors
-
-    return app
-
-
-# ============================================================================
-# Async Context Manager for Database Operations
-# ============================================================================
-
-
-@asynccontextmanager
-async def get_db_session():
-    """Async context manager for database sessions using Python 3.13 features"""
-    from .storage.db import get_session
-
-    async with get_session() as session:
-        try:
-            yield session
-        finally:
-            # Session is automatically closed by context manager
-            pass
-
-
-# ============================================================================
-# Example Usage
-# ============================================================================
-
-
-async def demonstrate_optimized_features():
-    """Demonstrate Python 3.13.5 optimized features"""
-    create_optimized_app()
-
-    print("🚀 Python 3.13.5 Optimized FastAPI Features:")
-    print("=" * 50)
-    print("✅ Enhanced error messages for debugging")
-    print("✅ Performance monitoring middleware")
-    print("✅ Generic middleware with type safety")
-    print("✅ Async context managers")
-    print("✅ @override decorators for method safety")
-    print("✅ 5-10% performance improvements")
-    print("✅ Enhanced security features")
-    print("✅ Better memory management")
-
-
-if __name__ == "__main__":
-    import uvicorn
-
-    # Create and run optimized app
-    app = create_optimized_app()
-
-    print("🚀 Starting Python 3.13.5 optimized AITBC Coordinator API...")
-    uvicorn.run(app, host="127.0.0.1", port=8000, log_level="info")