feat(tools): require reason argument for delete and git_operator tools

src/tool/fs/delete.rs

@@ -28,9 +28,13 @@ impl Tool for Delete {
                 "path": {
                     "type": "string",
                     "description": "Path to the file or directory to delete (relative to workspace root)"
+                },
+                "reason": {
+                    "type": "string",
+                    "description": "Reason for the deletion (must be non-empty, >= 8 chars)"
                 }
             },
-            "required": ["path"]
+            "required": ["path", "reason"]
         })
     }
 

src/tool/git_operator.rs

@@ -30,9 +30,13 @@ impl Tool for GitOperator {
                     "type": "array",
                     "items": {"type": "string"},
                     "description": "Arguments for the git subcommand"
+                },
+                "reason": {
+                    "type": "string",
+                    "description": "Explain why this git operation is needed (>= 8 chars)"
                 }
             },
-            "required": ["operation", "args"]
+            "required": ["operation", "args", "reason"]
         })
     }