improved pulse backend

fix: keyword expansion, Inshorts dead-flag, stale OfficialCloud RSS URLs

backend improvements like freshness gate , keywords fix

imporoved observability

improved observability of the app

implemented new updates like round robin method on the news aggregation part

added Massive Tech News Ingestion , more than 10+ news providers added to the ingestion part

solved audio and text summery saving error

fixed time issue

updated freshnews logic

the full ingestion pipline of the pulse is upgraded, worked on flaws and rectified them, solved over 10 major flaws

dislike button fix, pop up feature fix, reseaarch paper home page fix

fix: article validation failing for Pydantic models

feat: production-ready backend with audio fixes and CORS update

fix: add missing strip_html_if_needed utility for vector store

fix: Integration fixes for Bloom Filter, ID mismatch, and validation crashes

Backend Critical Fixes: Upstash cache, GroqOllama fallback, SHA-256 engagement IDs, circuit breaker, monitoring

Hybrid Search implementation

fix(pagination): Map medium-article category to source=Medium filter

HOTFIX: Fix date_parser to handle Pydantic Article models

Update: Add CORS origins configuration for production

feat: Major backend quality and performance improvements

chore: Backend updates - latest changes

chore: Latest backend updates and improvements

Add GitHub Actions CI/CD for auto-sync to Hugging Face Spaces