build(deps): Update Chat SDK and third-party packages

apps/example/package.json

@@ -17,13 +17,13 @@
     "@sentry/junior-linear": "workspace:*",
     "@sentry/junior-notion": "workspace:*",
     "@sentry/junior-sentry": "workspace:*",
-    "@sentry/node": "^10.48.0",
-    "hono": "^4.12.14"
+    "@sentry/node": "^10.51.0",
+    "hono": "^4.12.18"
   },
   "devDependencies": {
     "@types/node": "^25.6.0",
-    "jiti": "^2.6.1",
-    "nitro": "3.0.260415-beta",
+    "jiti": "^2.7.0",
+    "nitro": "3.0.260429-beta",
     "typescript": "^5.9.3"
   }
 }

package.json

@@ -40,7 +40,7 @@
     }
   },
   "devDependencies": {
-    "agent-browser": "^0.23.3",
+    "agent-browser": "^0.26.0",
     "lint-staged": "^16.4.0",
     "prettier": "^3.8.3",
     "simple-git-hooks": "^2.13.1",

packages/docs/package.json

@@ -10,7 +10,7 @@
     "check": "astro check && astro build"
   },
   "dependencies": {
-    "@astrojs/check": "^0.9.8",
+    "@astrojs/check": "^0.9.9",
     "@astrojs/starlight": "^0.37.7",
     "@fontsource-variable/space-grotesk": "^5.2.10",
     "@fontsource/ibm-plex-mono": "^5.2.7",

packages/docs/src/content/docs/reference/api/handlers/webhooks/functions/POST.md

@@ -7,7 +7,7 @@ title: "POST"
 
 > **POST**(`request`, `platform`, `waitUntil`): `Promise`\<`Response`\>
 
-Defined in: [handlers/webhooks.ts:238](https://github.com/getsentry/junior/blob/main/packages/junior/src/handlers/webhooks.ts#L238)
+Defined in: [handlers/webhooks.ts:252](https://github.com/getsentry/junior/blob/main/packages/junior/src/handlers/webhooks.ts#L252)
 
 ## Parameters
 

packages/docs/src/content/docs/reference/api/handlers/webhooks/functions/handlePlatformWebhook.md

@@ -7,7 +7,7 @@ title: "handlePlatformWebhook"
 
 > **handlePlatformWebhook**(`request`, `platform`, `waitUntil`, `bot?`): `Promise`\<`Response`\>
 
-Defined in: [handlers/webhooks.ts:119](https://github.com/getsentry/junior/blob/main/packages/junior/src/handlers/webhooks.ts#L119)
+Defined in: [handlers/webhooks.ts:124](https://github.com/getsentry/junior/blob/main/packages/junior/src/handlers/webhooks.ts#L124)
 
 Handles `POST /api/webhooks/:platform`.
 

packages/junior-evals/package.json

@@ -12,9 +12,9 @@
     "@sentry/junior": "workspace:*",
     "@sentry/junior-github": "workspace:*",
     "@sentry/junior-sentry": "workspace:*",
-    "chat": "4.26.0",
+    "chat": "4.27.0",
     "typescript": "^5.9.3",
-    "vitest": "^4.1.4",
+    "vitest": "^4.1.5",
     "vitest-evals": "0.9.0-beta.1"
   }
 }

packages/junior-evals/tests/unit/harness/behavior-harness.test.ts

@@ -99,7 +99,14 @@ describe("behavior harness", () => {
     expect(observedRuntimeIds.messageThreadId).toBe(
       "slack:C_AUTH:1700000000.0001",
     );
-    expect(result.posts).toEqual([{ text: "observed", files: [] }]);
+    expect(result.posts).toEqual([
+      {
+        channel: "C_AUTH",
+        files: [],
+        text: "observed",
+        thread_ts: "1700000000.0001",
+      },
+    ]);
   });
 
   it("routes two same-thread mention-shaped events through the queued runtime in order", async () => {
@@ -141,8 +148,18 @@ describe("behavior harness", () => {
     expect(handleNewMentionMock).toHaveBeenCalledTimes(1);
     expect(handleSubscribedMessageMock).toHaveBeenCalledTimes(1);
     expect(result.posts).toEqual([
-      { text: "observed", files: [] },
-      { text: "observed", files: [] },
+      {
+        channel: "C_QUEUE",
+        files: [],
+        text: "observed",
+        thread_ts: "1700000000.0002",
+      },
+      {
+        channel: "C_QUEUE",
+        files: [],
+        text: "observed",
+        thread_ts: "1700000000.0002",
+      },
     ]);
   });
 
@@ -185,7 +202,9 @@ describe("behavior harness", () => {
 
     expect(result.posts).toEqual([
       {
+        channel: "C_MEDIA",
         text: "",
+        thread_ts: "1700000000.0003",
         files: [
           {
             filename: "generated.png",

packages/junior/package.json

@@ -34,40 +34,40 @@
     "skills:check": "node scripts/check-skills.mjs"
   },
   "dependencies": {
-    "@ai-sdk/gateway": "^3.0.99",
-    "@chat-adapter/slack": "4.26.0",
-    "@chat-adapter/state-memory": "4.26.0",
-    "@chat-adapter/state-redis": "4.26.0",
-    "@logtape/logtape": "^2.0.5",
+    "@ai-sdk/gateway": "^3.0.110",
+    "@chat-adapter/slack": "4.27.0",
+    "@chat-adapter/state-memory": "4.27.0",
+    "@chat-adapter/state-redis": "4.27.0",
+    "@logtape/logtape": "^2.0.7",
     "@mariozechner/pi-agent-core": "0.73.0",
     "@mariozechner/pi-ai": "0.73.0",
     "@modelcontextprotocol/sdk": "1.29.0",
     "@sinclair/typebox": "^0.34.49",
-    "@slack/web-api": "^7.15.1",
-    "@vercel/functions": "^3.4.3",
+    "@slack/web-api": "^7.15.2",
+    "@vercel/functions": "^3.5.0",
     "@vercel/sandbox": "^1.10.0",
-    "ai": "^6.0.162",
+    "ai": "^6.0.175",
     "bash-tool": "^1.3.16",
-    "chat": "4.26.0",
-    "hono": "^4.12.14",
-    "just-bash": "^2.14.2",
+    "chat": "4.27.0",
+    "hono": "^4.12.18",
+    "just-bash": "2.14.2",
     "node-html-markdown": "^2.0.0",
-    "yaml": "^2.8.3",
-    "zod": "^4.3.6"
+    "yaml": "^2.8.4",
+    "zod": "^4.4.3"
   },
   "peerDependencies": {
     "@sentry/node": ">=10.0.0"
   },
   "devDependencies": {
-    "@sentry/node": "^10.48.0",
+    "@sentry/node": "^10.51.0",
     "@types/node": "^25.6.0",
-    "dependency-cruiser": "^17.3.10",
-    "msw": "^2.13.3",
-    "nitro": "3.0.260415-beta",
-    "oxlint": "^1.60.0",
+    "dependency-cruiser": "^17.4.0",
+    "msw": "^2.14.3",
+    "nitro": "3.0.260429-beta",
+    "oxlint": "^1.63.0",
     "tsup": "^8.5.1",
     "typescript": "^5.9.3",
     "vercel": "^51.4.0",
-    "vitest": "^4.1.4"
+    "vitest": "^4.1.5"
   }
 }

packages/junior/src/handlers/webhooks.ts

@@ -18,7 +18,7 @@ import type { WaitUntilFn } from "@/handlers/types";
 
 interface SlackWebhookAuthAdapter {
   botUserId?: string;
-  defaultBotToken?: string;
+  defaultBotTokenProvider?: () => string | Promise<string>;
   requestContext?: {
     run<T>(context: unknown, fn: () => T): T;
   };
@@ -57,6 +57,10 @@ async function handleAuthenticatedSlackMessageChangedMention(args: {
     return;
   }
 
+  // Chat SDK initializes adapters automatically inside webhook handling. This
+  // side-channel runs before the SDK handler, so it must join that lifecycle.
+  await args.bot.initialize();
+
   const webhookOptions = {
     waitUntil: (task: Promise<unknown>) => args.waitUntil(task),
   };
@@ -85,7 +89,7 @@ async function handleAuthenticatedSlackMessageChangedMention(args: {
     return true;
   };
 
-  if (authAdapter.defaultBotToken) {
+  if (authAdapter.defaultBotTokenProvider) {
     dispatch();
     return;
   }

packages/junior/tests/fixtures/slack-harness.ts

@@ -287,6 +287,9 @@ export function createTestThread(args: {
     createSentMessageFromMessage(message: Message): SentMessage {
       return message as unknown as SentMessage;
     },
+    async getParticipants(): Promise<Author[]> {
+      return [];
+    },
     get posts() {
       return posts;
     },

packages/junior/tests/integration/example-build-discovery.test.ts

@@ -1,5 +1,6 @@
 import { execFileSync } from "node:child_process";
-import { readFileSync } from "node:fs";
+import { cpSync, readFileSync, realpathSync, rmSync } from "node:fs";
+import { createRequire } from "node:module";
 import path from "node:path";
 import { pathToFileURL } from "node:url";
 import { afterEach, beforeAll, describe, expect, it, vi } from "vitest";
@@ -9,6 +10,15 @@ const originalCwd = process.cwd();
 const repoRoot = path.resolve(import.meta.dirname, "../../../..");
 const exampleRoot = path.join(repoRoot, "apps/example");
 const exampleEntry = path.join(exampleRoot, "server.ts");
+const exampleRequire = createRequire(exampleEntry);
+
+function isSamePath(left: string, right: string): boolean {
+  try {
+    return realpathSync(left) === realpathSync(right);
+  } catch {
+    return false;
+  }
+}
 
 function getExamplePluginPackages(): string[] {
   const pkg = JSON.parse(
@@ -37,15 +47,20 @@ function buildJuniorPackage(): void {
     stdio: "pipe",
   });
 
-  // Re-sync pnpm store so the example app's node_modules/@sentry/junior
-  // points to the freshly built dist, not a stale hardlink. The relink does
-  // not need workspace prepare hooks, which would rebuild @sentry/junior and
-  // make the full suite timeout-prone.
-  execFileSync("pnpm", ["install", "--ignore-scripts"], {
-    cwd: repoRoot,
-    env,
-    stdio: "pipe",
+  const installedPackageRoot = path.dirname(
+    path.dirname(exampleRequire.resolve("@sentry/junior")),
+  );
+  const sourceDist = path.join(repoRoot, "packages/junior/dist");
+  const installedDist = path.join(installedPackageRoot, "dist");
+  if (isSamePath(installedDist, sourceDist)) {
+    return;
+  }
+
+  rmSync(installedDist, {
+    force: true,
+    recursive: true,
   });
+  cpSync(sourceDist, installedDist, { recursive: true });
 }
 
 async function importExampleApp() {

packages/junior/tests/unit/runtime/respond-error-path.test.ts

@@ -1,4 +1,4 @@
-import { describe, expect, it, vi } from "vitest";
+import { afterEach, describe, expect, it, vi } from "vitest";
 
 vi.mock("@/chat/skills", () => ({
   discoverSkills: vi.fn(async () => {
@@ -8,10 +8,16 @@ vi.mock("@/chat/skills", () => ({
   parseSkillInvocation: vi.fn(),
 }));
 
-import { generateAssistantReply } from "@/chat/respond";
-
 describe("generateAssistantReply error path", () => {
+  afterEach(() => {
+    vi.unstubAllEnvs();
+  });
+
   it("preserves sandbox dependency hash on non-retryable failures", async () => {
+    vi.resetModules();
+    vi.stubEnv("AI_MODEL", "openai/gpt-5.4");
+    const { generateAssistantReply } = await import("@/chat/respond");
+
     const reply = await generateAssistantReply("hello", {
       sandbox: {
         sandboxId: "sb-123",