fix: remove auto-registration that bypassed strict matching - patients must come from monitor data only

fiveparaminte-main/routers/dashboard.py

@@ -377,21 +377,8 @@ def match_patient(
     in_age    = age
     now = datetime.now(timezone.utc)
 
-    # Auto-register/insert patient if they don't exist yet (essential for Render cloud SQLite persistence)
-    matched_patient = db.query(Patient).filter(Patient.mrn == in_mrn).first()
-    if not matched_patient:
-        matched_patient = Patient(
-            patient_id=in_mrn,
-            mrn=in_mrn,
-            name="Shahil Kumar",
-            gender=gender or "Male",
-            dob=dob or "19600622",
-        )
-        db.add(matched_patient)
-        db.commit()
-        db.refresh(matched_patient)
-
-    # Fetch all patients to find an exact match
+    # Fetch all patients from monitor database (populated ONLY by monitor HL7/push-vitals)
+    # Do NOT auto-register — patients must exist from actual monitor data
     all_patients = db.query(Patient).all()
     best_match = None