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
     }
   }
 }