IA e pequenas coisas a funcionar

docs/PROJECT_PROGRESS.md

@@ -22,7 +22,7 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 
 
-### **Overall Progress: 65% Complete**
+### **Overall Progress: 85% Complete**
 
 
 
@@ -32,11 +32,11 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 - ✅ **Internationalization:** 100% Complete
 
-- ⏳ **Authentication:** 20% Complete
+- ✅ **Authentication:** 100% Complete
 
-- ⏳ **Core Features:** 0% Complete
+- ✅ **Core Features:** 75% Complete
 
-- ⏳ **Backend Integration:** 0% Complete
+- ✅ **Backend Integration:** 80% Complete
 
 
 
@@ -160,19 +160,19 @@ This document tracks the overall progress of the AI Study Assistant project deve
 
 
 
-### **🤖 AI Tutor System (0%)**
-
-- [ ] Chat interface design
-
-- [ ] AI integration setup
-
-- [ ] Message handling
-
-- [ ] Response formatting
-
-- [ ] Conversation history
+### **🤖 AI Tutor System (75%)**
 
+- [x] Chat interface design
+- [x] Message handling with source citations
+- [x] Response formatting with confidence scores
+- [x] AI integration setup (Ollama API)
+- [x] RAG pipeline implementation
+- [x] Vector embeddings and similarity search
+- [x] Content management system
+- [x] Conversation history
 - [ ] Voice input support
+- [ ] Multi-language support
+- [ ] Advanced analytics