Add hostPattern marketplace tests for Claude Code settings

Author: kanghyojun

src/negative_test/claude-code-settings/invalid-marketplace-host-pattern.json

@@ -0,0 +1,16 @@
+{
+  "extraKnownMarketplaces": {
+    "internal-git": {
+      "source": {
+        "source": "hostPattern",
+        "repo": "acme/internal-tools"
+      }
+    }
+  },
+  "strictKnownMarketplaces": [
+    {
+      "source": "hostPattern",
+      "hostPattern": 123
+    }
+  ]
+}

src/test/claude-code-settings/marketplace-host-pattern.json

@@ -0,0 +1,16 @@
+{
+  "extraKnownMarketplaces": {
+    "internal-git": {
+      "source": {
+        "source": "hostPattern",
+        "hostPattern": "git.internal.example.com"
+      }
+    }
+  },
+  "strictKnownMarketplaces": [
+    {
+      "source": "hostPattern",
+      "hostPattern": "*.corp.example"
+    }
+  ]
+}