Update requirements.txt

requirements.txt

@@ -1,13 +1,33 @@
---- a/requirements.txt
-+++ b/requirements.txt
-@@ -16,6 +16,10 @@
- # YouTube Transcript Library (Primary method)
- youtube-transcript-api>=0.6,<0.7
- 
-+# Crawl4AI (New Primary Web Scraper)
-+crawl4ai>=0.5.0,<0.6.0
-+playwright>=1.40.0,<2.0.0 # Required by crawl4ai's default strategy
-+
- # Google Gemini SDK (Fallback Summarizer)
- google-generativeai>=0.5.0,<0.7.0 # Added
- 
+# Telegram Bot Library
+python-telegram-bot[httpx]>=21.0,<22.0
+
+# HTTPX (Core for async requests)
+httpx[http2]>=0.25.0,<0.28.0
+
+# ASGI Framework (Core)
+starlette>=0.35.0,<0.38.0
+
+# Web Scraping (HTML Parsing - Fallback 1)
+beautifulsoup4>=4.11,<4.13
+lxml>=4.9.0,<6.0.0
+
+# YouTube Transcript Library (Primary method)
+youtube-transcript-api>=0.6,<0.7
+
+# Crawl4AI (New Primary Web Scraper)
+crawl4ai>=0.5.0,<0.6.0
+playwright>=1.40.0,<2.0.0 # Required by crawl4ai's default strategy
+
+# Google Gemini SDK (Primary Summarizer)
+google-generativeai>=0.5.0,<0.7.0
+
+# WSGI/ASGI Servers & Adapter
+gunicorn>=21.0,<23.0
+uvicorn[standard]>=0.27.0,<0.30.0
+
+# Async Utilities / Dependencies
+anyio>=3.6,<5.0
+asgiref>=3.5,<3.9
+
+# Retry Logic
+tenacity>=8.0,<9.0