feat: Replace stream queue with Redis hash for partner offer notifications

offer queue notification

fix: Convert customer_id UUID to string for JSON serialization

feat: Initialize logging in all worker entry points

feat: Improve logging and fix timezone handling

feat: Pass offer expiry seconds from allocation settings

feat: Add notification calls and increase offer expiry time

fix: resolve Partner Pydantic constraint violation and load increment gap

fix: resolve remaining high/medium production gaps (R1, H4, H5, M8, M12, L5)

fix: resolve critical and high production gaps in booking allocation engine

Update worker implementations and add notification service

fix: resolve 4 critical production gaps in booking allocation engine

feat: implement booking allocation engine (Phases 1–10)