chore(db): keep drizzle migrations folder journal-only

lib/db/migrate.ts

@@ -3,11 +3,49 @@ import { sql } from "drizzle-orm";
 import { drizzle } from "drizzle-orm/postgres-js";
 import { migrate } from "drizzle-orm/postgres-js/migrator";
 import postgres from "postgres";
+import { readFileSync, readdirSync } from "node:fs";
+import { join } from "node:path";
 
 config({
   path: ".env.local",
 });
 
+function assertMigrationJournalIsConsistent() {
+  const migrationsDir = join(process.cwd(), "lib/db/migrations");
+  const journalPath = join(migrationsDir, "meta", "_journal.json");
+  const journal = JSON.parse(readFileSync(journalPath, "utf8")) as {
+    entries: { tag: string }[];
+  };
+
+  const tags = new Set(journal.entries.map((entry) => entry.tag));
+  const sqlFiles = readdirSync(migrationsDir)
+    .filter((file) => file.endsWith(".sql"))
+    .map((file) => file.slice(0, -4));
+  const sqlSet = new Set(sqlFiles);
+
+  const extraSqlFiles = sqlFiles.filter((tag) => !tags.has(tag));
+  const missingSqlFiles = Array.from(tags).filter((tag) => !sqlSet.has(tag));
+
+  if (extraSqlFiles.length === 0 && missingSqlFiles.length === 0) {
+    return;
+  }
+
+  const details = [
+    extraSqlFiles.length > 0
+      ? `extra sql files not in journal: ${extraSqlFiles.join(", ")}`
+      : null,
+    missingSqlFiles.length > 0
+      ? `journal entries missing sql files: ${missingSqlFiles.join(", ")}`
+      : null,
+  ]
+    .filter(Boolean)
+    .join(" | ");
+
+  throw new Error(
+    `Migration journal mismatch. Keep lib/db/migrations/*.sql in sync with meta/_journal.json. ${details}`
+  );
+}
+
 const runMigrate = async () => {
   if (!process.env.POSTGRES_URL) {
     throw new Error("POSTGRES_URL is not defined");
@@ -19,6 +57,7 @@ const runMigrate = async () => {
   console.log("⏳ Running migrations...");
 
   const start = Date.now();
+  assertMigrationJournalIsConsistent();
   await migrate(db, { migrationsFolder: "./lib/db/migrations" });
   await db.execute(sql`
     ALTER TABLE "AiProvider" DROP CONSTRAINT IF EXISTS "AiProvider_type_check";