Refactor: Replace regex sector exclusion with LLM-based Intent Parser

Fix: Normalize sector names to resolve Healthcare exclusion leakage

Fix: Robust Regex for Sentiment Guard

Fix: IndentationError in data_manager.py

Fix: Chunked download strategy to ensure LIVE data retrieval

Fix: Guaranteed synthetic fallback on ANY data failure

Fix: Add fallback for data ingestion and config path

Fix: Configure Robust Real Data Fetching (Serial+Retry)

Fix: Crash recovery, remove live fetch, add Passive AI logic

Feat: Market Cap Filtering (Smallest/Largest 50)

Feat: Max Weight Constraint & NLP Logic

Initial Release: QuantScale AI Institutional Engine