Integrate Flask AI Models with Frontend

[BrandonnLow]

Description
Connect the custom fine-tuned models (DeepSeek-R1, emotion detection) with the main application.

Acceptance Criteria

• Replace OpenAI calls with local Flask API endpoints
• Update app/Services/openai/functions.ts to support both APIs
• Add fallback mechanism (OpenAI when Flask unavailable)
• Handle Flask server connectivity issues gracefully

Files to Update

• app/Services/openai/functions.ts
• Add new service file for Flask integration