fix: BCBS MA — identify patient by member ID + DOB, prevent overwriting subscriber

- Added getPatientByInsuranceIdAndDob to storage
- Processor uses insuranceId + DOB as unique key instead of insuranceId alone
- Dependent with same subscriber ID but different DOB gets a new patient record
  (bypasses createOrUpdatePatientByInsuranceId which would overwrite subscriber)
- Name extraction anchored to "Relationship:" to scope Patient Info column only

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/Backend/src/queue/processors/bcbsMaEligibilityProcessor.ts

@@ -63,10 +63,45 @@ async function processBcbsMaResult(
         ? seleniumResult.lastName.trim()
         : (formLastName ?? "");
 
-    await createOrUpdatePatientByInsuranceId({ insuranceId, firstName, lastName, dob: formDob, userId });
-
     const normalizedInsuranceId = insuranceId.replace(/\s+/g, "");
-    const patient = await storage.getPatientByInsuranceId(normalizedInsuranceId);
+
+    // Identify patient by member ID + DOB — not member ID alone.
+    // Dependents (e.g. Maria) share the subscriber's member ID but have a different DOB.
+    const dobDate = formDob ? new Date(formDob) : null;
+
+    let patient = dobDate
+      ? await storage.getPatientByInsuranceIdAndDob(normalizedInsuranceId, dobDate)
+      : await storage.getPatientByInsuranceId(normalizedInsuranceId);
+
+    if (patient) {
+      // Existing patient found by insuranceId + DOB — update name
+      log("bcbs-ma-processor", `Patient matched by insuranceId+DOB id=${patient.id}`);
+      await storage.updatePatient(patient.id, { firstName, lastName });
+    } else {
+      // No match — create a brand new patient record.
+      // Do NOT use createOrUpdatePatientByInsuranceId here because it looks up by
+      // insuranceId alone and would overwrite the subscriber (e.g. Hugo) instead of
+      // creating a new record for the dependent (e.g. Maria).
+      log("bcbs-ma-processor", "No patient matched by insuranceId+DOB — creating new patient record");
+      try {
+        await storage.createPatient({
+          firstName,
+          lastName,
+          insuranceId: normalizedInsuranceId,
+          dateOfBirth: dobDate ?? undefined,
+          gender: "",
+          phone: "",
+          userId,
+        } as any);
+      } catch (createErr: any) {
+        log("bcbs-ma-processor", `createPatient failed: ${createErr?.message}`, createErr);
+        throw createErr;
+      }
+      patient = dobDate
+        ? await storage.getPatientByInsuranceIdAndDob(normalizedInsuranceId, dobDate)
+        : await storage.getPatientByInsuranceId(normalizedInsuranceId);
+    }
+
     if (!patient?.id) {
       output.patientUpdateStatus = "Patient not found; no update performed";
       return output;

apps/Backend/src/storage/patients-storage.ts

@@ -10,6 +10,7 @@ export interface IStorage {
   // Patient methods
   getPatient(id: number): Promise<Patient | undefined>;
   getPatientByInsuranceId(insuranceId: string): Promise<Patient | null>;
+  getPatientByInsuranceIdAndDob(insuranceId: string, dob: Date): Promise<Patient | null>;
   getAllPatients(): Promise<Patient[]>;
   getRecentPatients(limit: number, offset: number): Promise<Patient[]>;
   getPatientsByIds(ids: number[]): Promise<Patient[]>;
@@ -60,6 +61,19 @@ export const patientsStorage: IStorage = {
     });
   },
 
+  async getPatientByInsuranceIdAndDob(insuranceId: string, dob: Date): Promise<Patient | null> {
+    const startOfDay = new Date(dob);
+    startOfDay.setHours(0, 0, 0, 0);
+    const endOfDay = new Date(dob);
+    endOfDay.setHours(23, 59, 59, 999);
+    return db.patient.findFirst({
+      where: {
+        insuranceId,
+        dateOfBirth: { gte: startOfDay, lte: endOfDay },
+      },
+    });
+  },
+
   async getRecentPatients(limit: number, offset: number): Promise<Patient[]> {
     return db.patient.findMany({
       skip: offset,

apps/SeleniumService/selenium_BCBS_MA_eligibilityCheckWorker.py

@@ -424,19 +424,24 @@ class AutomationBCBSMAEligibilityCheck:
             else:
                 eligibility = "Unknown"
 
-            # Extract first/last name from DOM — scope to "Patient Information" column only
-            # to avoid picking up the duplicate values in the Subscriber Information column.
+            # Extract first/last name from Patient Information column only.
+            # "Relationship:" is unique to the Patient column (not in Subscriber column).
+            # Use it as anchor: grab text from "Relationship:" up to "Member ID:" (Subscriber starts there).
+            import re
             first_name = self.first_name
             last_name = self.last_name
             try:
-                # Find the "Patient Information" header, then search within its parent container
-                patient_section = self.driver.find_element(By.XPATH,
-                    "//*[normalize-space(text())='Patient Information']/ancestor::*[3]"
+                # Slice out just the Patient Information section
+                patient_match = re.search(
+                    r"Relationship:(.+?)(?=Member ID:|Subscriber Information|Plan Name:)",
+                    page_text,
+                    re.DOTALL
                 )
-                section_text = patient_section.text
-                print(f"[BCBS MA step2] Patient section text:\n{section_text[:300]}")
+                if patient_match:
+                    patient_text = patient_match.group(1)
+                    print(f"[BCBS MA step2] Patient section:\n{patient_text[:200]}")
 
-                lines = section_text.split("\n")
+                    lines = patient_text.split("\n")
                     capturing_last = False
                     for line in lines:
                         stripped = line.strip()
@@ -447,7 +452,7 @@ class AutomationBCBSMAEligibilityCheck:
                                 first_name = val
                         elif "Last Name:" in stripped and not last_name:
                             val = stripped.split("Last Name:", 1)[1].strip()
-                        val = val.split("SSN:")[0].split("Date of Birth:")[0].split("Member ID:")[0].strip()
+                            val = val.split("SSN:")[0].split("Date of Birth:")[0].strip()
                             if val:
                                 last_name = val
                             capturing_last = True
@@ -457,6 +462,8 @@ class AutomationBCBSMAEligibilityCheck:
                             capturing_last = False
                         if first_name and last_name and not capturing_last:
                             break
+                else:
+                    print("[BCBS MA step2] Patient section not found in page text")
 
                 print(f"[BCBS MA step2] Extracted — First: '{first_name}', Last: '{last_name}'")
             except Exception as e: