修正

database.mjs

@@ -357,6 +357,10 @@ export function buildSeedOperations(state) {
 }
 
 function stateFromRows(rows) {
+  const parseJson = (value, fallback) => {
+    if (value != null && typeof value === 'object') return value;
+    try { return JSON.parse(value || JSON.stringify(fallback)); } catch { return fallback; }
+  };
   const subjectsByExam = new Map();
   for (const row of rows.subjects) {
     const fullScore = Number(row.full_score ?? 150);
@@ -518,7 +522,7 @@ function stateFromRows(rows) {
       postalCode: row.postal_code || '',
       guardianName: row.guardian_name || '',
       guardianPhone: row.guardian_phone || '',
-      specialtyTypes: (() => { try { return JSON.parse(row.specialty_types || '[]'); } catch { return []; } })(),
+      specialtyTypes: parseJson(row.specialty_types, []),
       specialtyCertificate: row.specialty_certificate || '',
       policyEligibility: row.policy_eligibility || '',
       profileCompleted: Boolean(row.profile_completed),
@@ -759,7 +763,7 @@ function stateFromRows(rows) {
       userId: row.user_id || null,
       schoolId: row.school_id || null,
       status: row.status,
-      payload: (() => { try { return JSON.parse(row.payload_json || '{}'); } catch { return {}; } })(),
+      payload: parseJson(row.payload_json, {}),
       createdAt: row.created_at,
       updatedAt: row.updated_at
     })),