diff --git a/packages/coding-agent/test/extensibility/typebox-shim.test.ts b/packages/coding-agent/test/extensibility/typebox-shim.test.ts
index 1e27773de..e13da3d63 100644
--- a/packages/coding-agent/test/extensibility/typebox-shim.test.ts
+++ b/packages/coding-agent/test/extensibility/typebox-shim.test.ts
@@ -107,7 +107,10 @@ describe("pi.typebox compatibility shim", () => {
 	});
 
 	it("applies schema-valued additionalProperties only to undeclared raw-object keys", () => {
-		const schema = Type.Object({ known: { type: "number" } }, { additionalProperties: { type: "string" } });
+		const schema = Type.Object(
+			{ known: { type: "number" } as unknown as TSchema },
+			{ additionalProperties: { type: "string" } as unknown as TSchema },
+		);
 
 		expect(schema.safeParse({ known: 1, extra: "ok" }).success).toBe(true);
 		expect(schema.safeParse({ known: "bad", extra: "ok" }).success).toBe(false);
diff --git a/packages/coding-agent/test/issue-8137-repro.test.ts b/packages/coding-agent/test/issue-8137-repro.test.ts
index a96baf8d3..0e38712bb 100644
--- a/packages/coding-agent/test/issue-8137-repro.test.ts
+++ b/packages/coding-agent/test/issue-8137-repro.test.ts
@@ -125,7 +125,7 @@ describe("issue #8137 — inline /skill in mode-command prompts", () => {
 			const turn = new Promise<void>(resolve => {
 				finishTurn = resolve;
 			});
-			const handleModeCommand = vi.fn(() => turn);
+			const handleModeCommand = vi.fn((_prompt?: string) => turn);
 			const clearDraft = vi.fn();
 			const setText = vi.fn();
 			const command = BUILTIN_MODE_SLASH_COMMANDS.find(candidate => candidate.name === name);