- Replace setdefault() with explicit None checks in _normalize_extraction_data()
- Coerce null top-level fields (summary, novelty_score, confidence) to defaults
- Coerce null company fields (ticker, impact_score, impact_horizon, etc.) to defaults
- Filter out company entries with empty ticker after normalization
- Prevents schema validation failures when model returns null for required fields
- Switch Ollama calls from non-streaming to streaming with early termination
- Add loop detection, max token limit, and stall timeout guards
- Add catalyst_type alias normalizer to handle model hallucinations
- Add explicit enum values in extraction prompt for catalyst_type
- Add streaming config knobs to OllamaConfig
Celes Renata