feat: add analyze_project and chat_with_llm services to api/services.py

api/services.py

@@ -209,12 +209,15 @@ def analyze_project(
     top_projects = []
 
     for _, row in results.iterrows():
+        orig_score = round(float(row.get("originality_score", 0)), 2)
+        sim_percent = round(100.0 - orig_score, 2)
+
         top_projects.append({
             "project_title": row.get("project_title", ""),
             "matched_features": row.get("matched_features", []),
             "unique_features": row.get("unique_query_features", []),
-            "similarity_score": round(float(row.get("hybrid_score", 0)), 4),
-            "final_originality_score": round(float(row.get("originality_score", 0)), 4)
+            "similarity_score": sim_percent,
+            "final_originality_score": orig_score
         })
 
     # Overall = worst-case originality (against the most similar project)