Nomad changes

fixtures/code/code_shebang_detection.json

@@ -0,0 +1,41 @@
+{
+  "id": "code_shebang_detection",
+  "category": "code",
+  "description": "Test language detection from shebang line via bytes input",
+  "tags": [
+    "code",
+    "shebang",
+    "tree-sitter"
+  ],
+  "call": "extract_file_sync",
+  "input": {
+    "path": "code/script.sh",
+    "mime_type": "text/x-source-code"
+  },
+  "assertions": [
+    {
+      "type": "equals",
+      "field": "mime_type",
+      "value": "text/x-source-code"
+    },
+    {
+      "type": "min_length",
+      "field": "content",
+      "value": 10
+    },
+    {
+      "type": "contains_all",
+      "field": "content",
+      "values": [
+        "build",
+        "clean"
+      ]
+    }
+  ],
+  "skip": {
+    "languages": [
+      "wasm"
+    ],
+    "reason": "WASM cannot access filesystem; use extractBytes with file content instead"
+  }
+}