From bc96a8ad58c0015d8716ccba15a915c3f1732da1 Mon Sep 17 00:00:00 2001
From: Le Vivilet <levivilet@pm.me>
Date: Wed, 14 Oct 2026 17:23:05 +0000
Subject: [PATCH] fix: activate devcontainer output channel

---
 packages/extension/extension.json               |  3 ++-
 .../test/OutputChannelManifest.test.ts          | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 packages/extension/test/OutputChannelManifest.test.ts

diff --git a/packages/extension/extension.json b/packages/extension/extension.json
index 1319fdf..9f3d00a 100644
--- a/packages/extension/extension.json
+++ b/packages/extension/extension.json
@@ -30,7 +30,8 @@
     "onFileSystem:devcontainer-logs",
     "onCommand:devcontainer.installDocker",
     "onCommand:devcontainer.getTerminalSpawnOptions",
-    "onCommand:devcontainer.disposeTerminal"
+    "onCommand:devcontainer.disposeTerminal",
+    "onOutput"
   ],
   "commands": [
     {
diff --git a/packages/extension/test/OutputChannelManifest.test.ts b/packages/extension/test/OutputChannelManifest.test.ts
new file mode 100644
index 0000000..26ace71
--- /dev/null
+++ b/packages/extension/test/OutputChannelManifest.test.ts
@@ -0,0 +1,17 @@
+import assert from 'node:assert/strict'
+import { readFile } from 'node:fs/promises'
+import { test } from 'node:test'
+
+const manifest = JSON.parse(
+  await readFile(new URL('../extension.json', import.meta.url), 'utf8'),
+)
+
+await test('Dev Containers output channel activates when Output is opened', () => {
+  assert.ok(manifest.activation.includes('onOutput'))
+  assert.deepEqual(
+    manifest.outputChannels.filter(
+      (channel: { id: string }) => channel.id === 'dev-containers',
+    ),
+    [{ id: 'dev-containers', label: 'Dev Containers' }],
+  )
+})