Batch emotion + profile extraction into single LLM call per coaching turn

Fix emotion detection: center arousal in backend, fix LLM classifier fallback, add 57 emotion accuracy tests

Add SSE streaming for token-by-token LLM responses and fix circumplex display

Fix emotional detection, eliminate duplicate cognitive load calls, and add Bayes net visualization

Fix double LLM call at calibration-to-visualization transition and add behavioral test suite

Add EFE-driven action selection, learning feedback loop, and Docker deployment

Initial commit: MindSphere Coach — ToM-powered coaching agent