fix: reconcileLegacyMigrations asserts version sync with runMigrations to prevent drift

db/database.js

@@ -608,6 +608,11 @@ fs.mkdirSync(path.dirname(DB_PATH), { recursive: true });
 let db = null;
 let initializing = false;
 
+// Populated by runMigrations() so reconcileLegacyMigrations() can assert
+// its own version list matches. Catches drift between the two arrays at startup
+// on any legacy-DB upgrade path, rather than silently misconfiguring the schema.
+let _runMigrationVersions = null;
+
 function assertWritableDbPath() {
   const dir = path.dirname(DB_PATH);
   const probe = path.join(dir, `.write-test-${process.pid}-${Date.now()}`);
@@ -1605,6 +1610,25 @@ function reconcileLegacyMigrations() {
     }
   }
   
+  // Assert version sync with runMigrations() to catch drift between the two arrays.
+  // runMigrations() always runs first and populates _runMigrationVersions.
+  if (_runMigrationVersions !== null) {
+    const reconcileVersions = migrations.map(m => m.version);
+    const runSet        = new Set(_runMigrationVersions);
+    const reconcileSet  = new Set(reconcileVersions);
+    const onlyInRun     = _runMigrationVersions.filter(v => !reconcileSet.has(v));
+    const onlyInReconcile = reconcileVersions.filter(v => !runSet.has(v));
+    if (onlyInRun.length || onlyInReconcile.length) {
+      const msg =
+        '[migration-sync] reconcileLegacyMigrations and runMigrations version lists are out of sync.' +
+        (onlyInRun.length      ? ` Only in runMigrations: ${onlyInRun.join(', ')}.`      : '') +
+        (onlyInReconcile.length ? ` Only in reconcile: ${onlyInReconcile.join(', ')}.` : '') +
+        ' Add the missing version to both arrays.';
+      console.error(msg);
+      throw new Error(msg);
+    }
+  }
+
   // Process all versioned migrations
   for (const migration of migrations) {
     if (migration.check()) {
@@ -2751,6 +2775,9 @@ function runMigrations() {
     throw err;
   }
   
+  // Store version list so reconcileLegacyMigrations() can assert sync.
+  _runMigrationVersions = migrations.map(m => m.version);
+
   // Build set of already-applied versions for dependency checking
   const appliedVersions = new Set(
     db.prepare('SELECT version FROM schema_migrations').all().map(r => r.version)