Add job processing system with streaming endpoint

Introduced a `processing` router to handle job streaming using server-sent events. Added `Jobs` and `JobStatus` models for managing job-related data, along with database creation logic. Updated the `sample` router to create new job entries during experiment creation.

backend/main.py

@@ -15,6 +15,7 @@ from app.routers import (
     logistics,
     auth,
     sample,
+    processing,
 )
 from app.database import Base, engine, SessionLocal
 from app.routers.protected_router import protected_router
@@ -119,6 +120,8 @@ async def lifespan(app: FastAPI):
     db = SessionLocal()
     try:
         if environment == "prod":
+            Base.metadata.drop_all(bind=engine)
+            Base.metadata.create_all(bind=engine)
             from sqlalchemy.engine import reflection
 
             inspector = reflection.Inspector.from_engine(engine)
@@ -143,8 +146,8 @@ async def lifespan(app: FastAPI):
             load_slots_data(db)
         else:  # dev or test environments
             print(f"{environment.capitalize()} environment: Regenerating database.")
-            # Base.metadata.drop_all(bind=engine)
-            # Base.metadata.create_all(bind=engine)
+            Base.metadata.drop_all(bind=engine)
+            Base.metadata.create_all(bind=engine)
             # from sqlalchemy.engine import reflection
             # from app.models import ExperimentParameters  # adjust the import as needed
             # inspector = reflection.Inspector.from_engine(engine)
@@ -194,6 +197,7 @@ app.include_router(puck.router, prefix="/pucks", tags=["pucks"])
 app.include_router(spreadsheet.router, tags=["spreadsheet"])
 app.include_router(logistics.router, prefix="/logistics", tags=["logistics"])
 app.include_router(sample.router, prefix="/samples", tags=["samples"])
+app.include_router(processing.router, prefix="/processing", tags=["processing"])
 
 app.mount("/images", StaticFiles(directory="images"), name="images")