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287f3d3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | """FastAPI application initialization and router aggregation for B2D."""
from __future__ import annotations
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from agentic_core.llm import LLMProviderError
from agentic_core.orchestrator import DiscoveryError, OrchestrationError
from .deps import services
from .routers import artifacts, discovery, generation, health, projects
@asynccontextmanager
async def lifespan(_app: FastAPI):
yield
await services.provider.aclose()
app = FastAPI(
title="B2D — Business to Development API",
version="0.1.0",
description="Autonomous multi-agent platform converting business ideas into production blueprints.",
lifespan=lifespan,
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_methods=["*"],
allow_headers=["*"],
)
# Custom exception handlers
@app.exception_handler(DiscoveryError)
async def discovery_error_handler(_request, exc: DiscoveryError):
return JSONResponse(
status_code=502,
content={"detail": "Discovery agent error", "error": str(exc)},
)
@app.exception_handler(OrchestrationError)
async def orchestration_error_handler(_request, exc: OrchestrationError):
return JSONResponse(
status_code=409,
content={"detail": "Orchestration error", "error": str(exc)},
)
@app.exception_handler(LLMProviderError)
async def llm_provider_error_handler(_request, exc: LLMProviderError):
return JSONResponse(
status_code=503,
content={"detail": "LLM provider error", "error": str(exc)},
)
# Include modular routers
app.include_router(health.router)
app.include_router(projects.router)
app.include_router(discovery.router)
app.include_router(generation.router)
app.include_router(artifacts.router)
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)
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