Update prompt instructions for Socratic tutor based on user edits

Update prompt to encourage rich, indirect acknowledgment of feelings by describing the experience

Add indirect sentiment acknowledgment to frustration and boredom states

Adjust max_tokens to 450 as requested by the user

Increase max_tokens to 700 and adjust temperature to 0.5 for educational tutor balance

Condense prompt, add implicit sympathy instructions, and update tests

Migrate chatbot to Socratic sentiment tutor with Gemini Live Voice Session capability

Update frontend sample questions to match STEM-only benchmark and neutral category

Add Hugging Face Space metadata in README.md

Deploy educational sentiment detection chatbot (excluding PDF)