updates to tools and mma skills

.gemini/tools/py_get_skeleton.json

@@ -0,0 +1,17 @@
+{
+  "name": "py_get_skeleton",
+  "description": "Get a skeleton view of a Python file. This returns all classes and function signatures with their docstrings, but replaces function bodies with '...'. Use this to understand module interfaces without reading the full implementation.",
+  "parameters": {
+    "type": "object",
+    "properties": {
+      "path": {
+        "type": "string",
+        "description": "Path to the .py file."
+      }
+    },
+    "required": [
+      "path"
+    ]
+  },
+  "command": "python scripts/tool_call.py py_get_skeleton"
+}