Launch frontend demo: Implemented live MEC MVP demo with dynamic emotion processing

Fix ERIS primary_emotion_code case sensitivity in Gradio UI; enable robust emotion normalization and blend detection; implement dynamic response strategy mapping; pipeline now correctly identifies and processes anger cues

Refactor MEC MVP pipeline: Integrate Codex Informer, HEIInference, and confidence routing logic

Ensure emotion_family is always set in UESP packet

Refactor ERIS and main pipeline to integrate UESP construction and fallback logic

Refactor pipeline to integrate UESP construction into ERIS

feat: MEC MVP 1.0 — Public Release

Added ERISReasoner core module