test: narrow hook and inbound context assertions

extensions/signal/src/monitor/event-handler.inbound-context.test.ts

@@ -78,8 +78,11 @@ describe("signal createSignalEventHandler inbound context", () => {
     );
 
     expect(capture.ctx).toBeTruthy();
-    expectInboundContextContract(capture.ctx!);
-    const contextWithBody = capture.ctx!;
+    const contextWithBody = capture.ctx;
+    if (!contextWithBody) {
+      throw new Error("expected inbound MsgContext");
+    }
+    expectInboundContextContract(contextWithBody);
     // Sender should appear as prefix in group messages (no redundant [from:] suffix)
     expect(String(contextWithBody.Body ?? "")).toContain("Alice");
     expect(String(contextWithBody.Body ?? "")).toMatch(/Alice.*:/);

extensions/slack/src/outbound-hooks.test.ts

@@ -33,7 +33,10 @@ const BASE_SLACK_SEND_CTX = {
 } as const;
 
 const sendSlackText = async (ctx: SlackSendTextCtx) => {
-  const sendText = slackOutbound.sendText as NonNullable<typeof slackOutbound.sendText>;
+  const sendText = slackOutbound.sendText;
+  if (!sendText) {
+    throw new Error("slackOutbound.sendText is unavailable");
+  }
   return await sendText({
     cfg: {} as OpenClawConfig,
     ...ctx,
@@ -147,7 +150,10 @@ describe("slack outbound hook wiring", () => {
     };
     getGlobalHookRunnerMock.mockReturnValue(mockRunner);
 
-    const sendText = slackOutbound.sendText as NonNullable<typeof slackOutbound.sendText>;
+    const sendText = slackOutbound.sendText;
+    if (!sendText) {
+      throw new Error("slackOutbound.sendText is unavailable");
+    }
     await sendText({
       cfg: {
         channels: {

extensions/twitch/src/actions.test.ts

@@ -47,7 +47,11 @@ describe("twitchMessageActions", () => {
         configured: true,
         availableAccountIds: ["default", "secondary"],
       }));
-    vi.mocked(twitchOutbound.sendText!).mockResolvedValue({
+    const sendText = twitchOutbound.sendText;
+    if (!sendText) {
+      throw new Error("twitchOutbound.sendText is unavailable");
+    }
+    vi.mocked(sendText).mockResolvedValue({
       channel: "twitch",
       messageId: "msg-1",
       timestamp: 1,