fix(deploy): sync rooms Prisma types and harden checkout against stale host files

next build failed on host-local rooms.ts using Prisma without import while tsc incremental passed; force non-incremental typecheck and verify src matches HEAD.

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

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

@@ -25,6 +25,12 @@ describe("production deploy workflow", () => {
 		expect(resetAt).toBeGreaterThan(reclaimAt);
 	});
 
+	it("verifies src/ matches HEAD and clears tsbuildinfo before typecheck", () => {
+		expect(workflow).toContain("git diff --exit-code -- src");
+		expect(workflow).toContain("*.tsbuildinfo");
+		expect(workflow).toContain("pnpm typecheck");
+	});
+
 	it("does not override onlyBuiltDependencies (uses pnpm-workspace.yaml)", () => {
 		expect(workflow).not.toContain("PNPM_CONFIG_ONLY_BUILT_DEPENDENCIES");
 	});