feat(api): standardize REST contracts and auth

app/main.py

@@ -6,7 +6,8 @@ import logging
 from datetime import datetime
 
 import app.services.project_info as project_info
-from app.api.v1.router import api_router
+from app.api.problem_details import install_problem_details_handlers
+from app.api.v1.rest_router import api_router
 from app.infra.db.timescaledb.database import db as tsdb
 from app.infra.db.postgresql.database import db as pgdb
 from app.infra.db.dynamic_manager import project_connection_manager
@@ -64,11 +65,13 @@ app = FastAPI(
     docs_url=None if is_production else "/docs",
     redoc_url=None if is_production else "/redoc",
     openapi_url=None if is_production else "/openapi.json",
+    redirect_slashes=False,
 )
 
 
 # Include Routers
 app.include_router(api_router, prefix="/api/v1")
+install_problem_details_handlers(app)
 # Legcy Routers without version prefix
 # app.include_router(api_router)