优化第一阶段

lib/plugins/registry.js

@@ -0,0 +1,23 @@
+const tools = [];
+
+export function registerTool(definition) {
+  const { id, name, desc, run } = definition || {};
+  if (!id || !name || !run) {
+    throw new Error("Tool definition must include id, name and run");
+  }
+
+  const existing = tools.findIndex(t => t.id === id);
+  const tool = { ...definition };
+
+  if (existing >= 0) {
+    tools[existing] = tool;
+  } else {
+    tools.push(tool);
+  }
+
+  return tool;
+}
+
+export function getTools() {
+  return [...tools];
+}