From 4984cad5ae913e94aa3d19041c145456862feacb Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Wed, 22 Apr 2026 21:38:56 -0700
Subject: [PATCH] fix(test): route misc extension targets to the misc shard

---
 scripts/test-projects.test-support.mjs |  7 +++++++
 test/scripts/test-projects.test.ts     | 13 +++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/scripts/test-projects.test-support.mjs b/scripts/test-projects.test-support.mjs
index bfcee88de2e..f684f0c405d 100644
--- a/scripts/test-projects.test-support.mjs
+++ b/scripts/test-projects.test-support.mjs
@@ -18,6 +18,7 @@ import { isMattermostExtensionRoot } from "../test/vitest/vitest.extension-matte
 import { isMediaExtensionRoot } from "../test/vitest/vitest.extension-media-paths.mjs";
 import { isMemoryExtensionRoot } from "../test/vitest/vitest.extension-memory-paths.mjs";
 import { isMessagingExtensionRoot } from "../test/vitest/vitest.extension-messaging-paths.mjs";
+import { isMiscExtensionRoot } from "../test/vitest/vitest.extension-misc-paths.mjs";
 import { isMsTeamsExtensionRoot } from "../test/vitest/vitest.extension-msteams-paths.mjs";
 import {
   isProviderExtensionRoot,
@@ -79,6 +80,7 @@ const EXTENSION_MATRIX_VITEST_CONFIG = "test/vitest/vitest.extension-matrix.conf
 const EXTENSION_MEMORY_VITEST_CONFIG = "test/vitest/vitest.extension-memory.config.ts";
 const EXTENSION_MSTEAMS_VITEST_CONFIG = "test/vitest/vitest.extension-msteams.config.ts";
 const EXTENSION_MESSAGING_VITEST_CONFIG = "test/vitest/vitest.extension-messaging.config.ts";
+const EXTENSION_MISC_VITEST_CONFIG = "test/vitest/vitest.extension-misc.config.ts";
 const EXTENSION_PROVIDER_OPENAI_VITEST_CONFIG =
   "test/vitest/vitest.extension-provider-openai.config.ts";
 const EXTENSION_PROVIDERS_VITEST_CONFIG = "test/vitest/vitest.extension-providers.config.ts";
@@ -148,6 +150,7 @@ const VITEST_CONFIG_BY_KIND = {
   extensionMedia: EXTENSION_MEDIA_VITEST_CONFIG,
   extensionMemory: EXTENSION_MEMORY_VITEST_CONFIG,
   extensionMessaging: EXTENSION_MESSAGING_VITEST_CONFIG,
+  extensionMisc: EXTENSION_MISC_VITEST_CONFIG,
   extensionMsTeams: EXTENSION_MSTEAMS_VITEST_CONFIG,
   extensionProviderOpenAi: EXTENSION_PROVIDER_OPENAI_VITEST_CONFIG,
   extensionProvider: EXTENSION_PROVIDERS_VITEST_CONFIG,
@@ -597,6 +600,9 @@ function classifyTarget(arg, cwd) {
     if (isMessagingExtensionRoot(extensionRoot)) {
       return "extensionMessaging";
     }
+    if (isMiscExtensionRoot(extensionRoot)) {
+      return "extensionMisc";
+    }
     return isProviderExtensionRoot(extensionRoot) ? "extensionProvider" : "extension";
   }
   const channelContractKind = resolveChannelContractTargetKind(relative);
@@ -849,6 +855,7 @@ export function buildVitestRunPlans(
     "extensionMatrix",
     "extensionMedia",
     "extensionMemory",
+    "extensionMisc",
     "extensionMsTeams",
     "extensionMessaging",
     "extensionProviderOpenAi",
diff --git a/test/scripts/test-projects.test.ts b/test/scripts/test-projects.test.ts
index 074b316d80f..dfec1ea370f 100644
--- a/test/scripts/test-projects.test.ts
+++ b/test/scripts/test-projects.test.ts
@@ -97,6 +97,19 @@ describe("scripts/test-projects changed-target routing", () => {
     ]);
   });
 
+  it("routes misc extensions to the misc extension shard", () => {
+    const plans = buildVitestRunPlans(["extensions/thread-ownership"], process.cwd());
+
+    expect(plans).toEqual([
+      {
+        config: "test/vitest/vitest.extension-misc.config.ts",
+        forwardedArgs: [],
+        includePatterns: ["extensions/thread-ownership/**/*.test.ts"],
+        watchMode: false,
+      },
+    ]);
+  });
+
   it("keeps the broad changed run for shared test helpers", () => {
     expect(
       resolveChangedTargetArgs(["--changed", "origin/main"], process.cwd(), () => [