test: move telegram fetch coverage into extensions

test/fixtures/test-parallel.behavior.json

@@ -106,10 +106,6 @@
         "file": "extensions/telegram/src/bot.test.ts",
         "reason": "This Telegram bot runtime suite measured ~819.9 MiB RSS growth locally; keep it in its own forked channel lane so the shared channels worker can recycle immediately after the hotspot file."
       },
-      {
-        "file": "extensions/telegram/src/fetch.test.ts",
-        "reason": "This Telegram transport suite measured ~759.3 MiB RSS growth locally; keep it in its own forked channel lane so the shared channels worker can recycle immediately after the hotspot file."
-      },
       {
         "file": "extensions/telegram/src/sendchataction-401-backoff.test.ts",
         "reason": "This Telegram send-chat-action backoff suite hoists infra-runtime sleep mocks and remains a relatively heavy shared hotspot; keep it isolated so top-level concurrency can overlap it instead of extending the shared channels batch."
@@ -210,6 +206,10 @@
         "file": "extensions/line/src/send.test.ts",
         "reason": "This LINE send suite hoists SDK and account/token mocks; keep it isolated so shared extension workers do not reuse cached send modules that bypass those mocks."
       },
+      {
+        "file": "extensions/telegram/src/fetch.test.ts",
+        "reason": "This Telegram transport suite is extension-owned and still measures high RSS locally; keep it in its own forked extensions lane so the shared worker can recycle immediately after the hotspot."
+      },
       {
         "file": "extensions/tavily/src/tavily-extract-tool.test.ts",
         "reason": "This extract-tool suite hoists the Tavily client mock and imports lazily; keep it isolated so shared extension workers do not reuse cached tool modules and hit real API-key resolution."

test/fixtures/test-timings.channels.json

@@ -60,15 +60,9 @@
     "extensions/discord/src/monitor/message-handler.queue.test.ts": {
       "durationMs": 3900
     },
-    "extensions/telegram/src/fetch.test.ts": {
-      "durationMs": 3500
-    },
     "extensions/whatsapp/src/monitor-inbox.captures-media-path-image-messages.test.ts": {
       "durationMs": 3200
     },
-    "extensions/telegram/src/bot/delivery.resolve-media-retry.test.ts": {
-      "durationMs": 15830
-    },
     "extensions/telegram/src/webhook.test.ts": {
       "durationMs": 2900
     },

test/fixtures/test-timings.extensions.json

@@ -1047,9 +1047,13 @@
       "durationMs": 2.155517578125,
       "testCount": 5
     },
-    "extensions/telegram/src/fetch.network-policy.test.ts": {
-      "durationMs": 3260,
-      "testCount": 5
+    "extensions/telegram/src/bot/delivery.resolve-media-retry.test.ts": {
+      "durationMs": 10360,
+      "testCount": 27
+    },
+    "extensions/telegram/src/fetch.test.ts": {
+      "durationMs": 750,
+      "testCount": 23
     }
   }
 }

test/scripts/test-parallel.test.ts

@@ -447,14 +447,14 @@ describe("scripts/test-parallel lane planning", () => {
     expect(output).not.toContain("vitest.unit.config.ts");
   });
 
-  it("routes telegram fetch network policy through the extensions config", () => {
+  it("routes telegram fetch transport coverage through the extensions config", () => {
     const output = runPlannerPlan([
       "--explain",
-      bundledPluginFile("telegram", "src/fetch.network-policy.test.ts"),
+      bundledPluginFile("telegram", "src/fetch.test.ts"),
     ]);
 
     expect(output).toContain("surface=extensions");
-    expect(output).toContain("reasons=extensions-surface");
+    expect(output).toContain("extensions-surface");
     expect(output).toContain("vitest.extensions.config.ts");
     expect(output).not.toContain("vitest.channels.config.ts");
   });

test/vitest-scoped-config.test.ts

@@ -48,6 +48,15 @@ describe("createScopedVitestConfig", () => {
     expect(config.test?.include).toEqual(["**/*.test.ts"]);
     expect(config.test?.exclude).toEqual(expect.arrayContaining(["channel/**", "dist/**"]));
   });
+
+  it("overrides setup files when a scoped config requests them", () => {
+    const config = createScopedVitestConfig(["src/example.test.ts"], {
+      env: {},
+      setupFiles: ["test/setup.extensions.ts"],
+    });
+
+    expect(config.test?.setupFiles).toEqual(["test/setup.extensions.ts"]);
+  });
 });
 
 describe("scoped vitest configs", () => {
@@ -97,19 +106,23 @@ describe("scoped vitest configs", () => {
     expect(defaultExtensionsConfig.test?.include).toEqual(["**/*.test.ts"]);
   });
 
-  it("keeps telegram fetch network policy in extensions while excluding other telegram channel suites", () => {
+  it("keeps telegram fetch transport coverage in extensions while excluding other telegram channel suites", () => {
     const extensionExcludes = defaultExtensionsConfig.test?.exclude ?? [];
     expect(
       extensionExcludes.some((pattern) => path.matchesGlob("telegram/src/fetch.test.ts", pattern)),
-    ).toBe(true);
+    ).toBe(false);
     expect(
       extensionExcludes.some((pattern) =>
-        path.matchesGlob("telegram/src/fetch.network-policy.test.ts", pattern),
+        path.matchesGlob("telegram/src/bot/delivery.resolve-media-retry.test.ts", pattern),
       ),
     ).toBe(false);
     expect(defaultChannelsConfig.test?.exclude).toContain(
-      bundledPluginFile("telegram", "src/fetch.network-policy.test.ts"),
+      bundledPluginFile("telegram", "src/fetch.test.ts"),
     );
+    expect(defaultChannelsConfig.test?.exclude).toContain(
+      bundledPluginFile("telegram", "src/bot/delivery.resolve-media-retry.test.ts"),
+    );
+    expect(defaultExtensionsConfig.test?.setupFiles).toEqual(["test/setup.extensions.ts"]);
   });
 
   it("normalizes gateway include patterns relative to the scoped dir", () => {