chore(db): finish Prisma cutover to Drizzle Kit tooling

Move CMS SQL to drizzle/migrations, drop prisma packages/schema, wire drizzle-kit scripts, and regenerate schema names from src/db/schema.ts.

Co-authored-by: Cursor <[email protected]>

src/lib/admin-content-modules-contract.test.ts

@@ -19,15 +19,17 @@ const tables = [
 
 describe("admin content module port", () => {
 	it("owns every required table through schema and migration contracts", () => {
-		const schema = readFileSync(resolve("prisma/schema.prisma"), "utf8");
+		const schema = readFileSync(resolve("src/db/schema.ts"), "utf8");
 		const migration = readFileSync(
-			resolve("prisma/migrations/0013_admin_events_polls_banners_prefixes.sql"),
+			resolve(
+				"drizzle/migrations/0013_admin_events_polls_banners_prefixes.sql",
+			),
 			"utf8",
 		);
 		for (const table of tables) {
 			expect(migration).toContain(`CREATE TABLE IF NOT EXISTS \`${table}\``);
 			if (!table.startsWith("custom_prefix"))
-				expect(schema).toContain(`@@map("${table}")`);
+				expect(schema).toContain(`"${table}"`);
 		}
 	});
 

src/lib/admin/acl-management-contract.test.ts

@@ -13,7 +13,7 @@ describe("ACL management contract", () => {
 
 	it("ships an idempotent ACL completion migration", () => {
 		const sql = readFileSync(
-			"prisma/migrations/0014_complete_acl_and_import_permissions.sql",
+			"drizzle/migrations/0014_complete_acl_and_import_permissions.sql",
 			"utf8",
 		);
 		expect(sql).toContain("admin.assets.import");

src/lib/admin/acl-migration-contract.test.ts

@@ -4,7 +4,7 @@ import { describe, expect, it } from "vitest";
 import { PERMS } from "@/lib/permission-slugs";
 
 describe("production ACL migration", () => {
-	const migrationsDir = resolve(process.cwd(), "prisma/migrations");
+	const migrationsDir = resolve(process.cwd(), "drizzle/migrations");
 	const allSql = readdirSync(migrationsDir)
 		.filter((name) => name.endsWith(".sql"))
 		.map((name) => readFileSync(resolve(migrationsDir, name), "utf8"))

src/lib/ci-workflow-contract.test.ts

@@ -36,6 +36,7 @@ describe("CI workflow", () => {
 		const release = workflow.slice(workflow.indexOf("\n  release:"));
 		expect(release).toContain("pnpm db:migrate");
 		expect(release).not.toContain("pnpm prisma:generate");
+		expect(release).toContain("pnpm db:migrate");
 		expect(release).toContain("src/db/schema.ts");
 		const migrateAt = release.indexOf("pnpm db:migrate");
 		const buildAt = release.indexOf("pnpm build");

src/lib/foundation/action.ts

@@ -249,14 +249,6 @@ export function handleActionError(error: unknown): ActionFailure {
 	if (error instanceof Error && error.name === "ZodError") {
 		return fail("Validation failed");
 	}
-	if (
-		error instanceof Error &&
-		(error.constructor.name === "PrismaClientKnownRequestError" ||
-			error.name === "PrismaClientKnownRequestError") &&
-		(error as Error & { code?: string }).code === "P2025"
-	) {
-		return fail("Not found");
-	}
 
 	reportError(error, "Action error");
 	return fail("Internal server error");

src/lib/permission-slugs.ts

@@ -1,6 +1,6 @@
 // ── Permission Slug Constants ───────────────────────────────────────
 // Extracted to its own file so it can be imported by client components
-// (modules.ts → sidebar.tsx) without pulling in prisma/server-only deps.
+// (modules.ts → sidebar.tsx) without pulling in db/server-only deps.
 
 export const PERMS = {
 	ADMIN_DASHBOARD: "admin.dashboard",

src/lib/proxy-auth-contract.test.ts

@@ -9,7 +9,7 @@ describe("proxy authentication boundary", () => {
 		expect(proxy).toContain('from "@/lib/proxy-auth"');
 		expect(proxy).not.toContain('from "@/lib/auth"');
 		expect(proxyAuth).not.toMatch(
-			/from\s+["'][^"']*(prisma|site-settings|credentials)[^"']*["']/i,
+			/from\s+["'][^"']*(db|site-settings|credentials|prisma)[^"']*["']/i,
 		);
 	});
 });

src/lib/services/upload-import.ts

@@ -38,7 +38,7 @@ export interface UploadParams {
 
 const MIGRATIONS_DIR = path.resolve(
 	/*turbopackIgnore: true*/ process.cwd(),
-	"prisma/migrations",
+	"drizzle/migrations",
 );
 
 let itemsBaseIdAllocChain: Promise<unknown> = Promise.resolve();

src/lib/staff-smoke-contract.test.ts

@@ -49,6 +49,21 @@ describe("staff smoke contract", () => {
 		).toContain("UserSanctionTimeline");
 	});
 
+	it("applies CMS SQL from drizzle/migrations (not Prisma)", () => {
+		expect(existsSync("drizzle/migrations")).toBe(true);
+		expect(existsSync("prisma")).toBe(false);
+		expect(readFileSync("scripts/apply-migrations.ts", "utf8")).toContain(
+			"drizzle/migrations",
+		);
+		expect(readFileSync("package.json", "utf8")).not.toContain('"prisma"');
+		expect(readFileSync("package.json", "utf8")).not.toContain(
+			'"@prisma/client"',
+		);
+		expect(readFileSync("drizzle.config.ts", "utf8")).toContain(
+			"./drizzle/drafts",
+		);
+	});
+
 	it("ships shared ops + ticket queue helpers", () => {
 		expect(existsSync("src/lib/admin/ops-health.ts")).toBe(true);
 		const ops = readFileSync("src/lib/admin/ops-health.ts", "utf8");