Issue W4-MT-02 — Complete Offline AI Validation

[Abdully-dev]

📋 Overview
Prove that the AI system works without internet.
This is a product requirement, not an optional test.
🎯 Objectives
• Disconnect internet.
• Restart application.
• Test retrieval.
• Test Gemma.
• Test Artificial Teacher.
• Verify local vector store.
🔗 Dependencies
Complete AI pipeline.
✅ Acceptance Criteria
• No cloud API is required.
• Retrieval works offline.
• Gemma works offline.
• Vector store works offline.
• Artificial Teacher works offline.
🌿 Branch
complete-offline-ai-validation
🚨 Files Concerned
model/evaluation/
└── test_offline.py

backend/app/ai/
├── gemma_client.py
└── retrieval_service.py