chore(client): MCP 启动命令移入 scripts/mcp.mjs，package.json 收敛为单一 mcp 入口

Author: Aparencia

client/package.json

@@ -24,10 +24,7 @@
     "test:watch": "vitest",
     "test:coverage": "vitest run --coverage",
     "postinstall": "electron-rebuild -f -w better-sqlite3",
-    "modelcontextprotocol": "mcp-server-sdk",
-    "fs": "mcp-server-filesystem",
-    "seq": "mcp-server-sequential-thinking",
-    "memory": "mcp-server-memory"
+    "mcp": "node scripts/mcp.mjs"
   },
   "dependencies": {
     "@automerge/automerge": "^3.3.2",

client/scripts/mcp.mjs

@@ -0,0 +1,38 @@
+#!/usr/bin/env node
+/**
+ * MCP 服务器启动入口（供 AI 编程工具 MCP 配置引用）
+ *
+ * @ai-context: 熵减为 AI 工具提供 MCP 能力：文件系统、顺序思考、记忆、SDK。
+ * 用法示例（Claude Code / Cursor 的 mcp 配置）：
+ *   "entropy-fs":     { "command": "node", "args": ["client/scripts/mcp.mjs", "fs"] }
+ *   "entropy-seq":    { "command": "node", "args": ["client/scripts/mcp.mjs", "seq"] }
+ *   "entropy-memory": { "command": "node", "args": ["client/scripts/mcp.mjs", "memory"] }
+ * 2026-08 R8：从 package.json scripts 移出（避免与构建/测试命令混淆），
+ * 原 npm run modelcontextprotocol/fs/seq/memory 命令已由本入口替代。
+ */
+import { spawn } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import { dirname, join } from 'node:path';
+
+const SERVERS = {
+  fs: 'mcp-server-filesystem',
+  seq: 'mcp-server-sequential-thinking',
+  memory: 'mcp-server-memory',
+  sdk: 'mcp-server-sdk',
+};
+
+const name = process.argv[2] ?? 'sdk';
+const bin = SERVERS[name];
+if (!bin) {
+  console.error(`未知 MCP 服务器: ${name}（可用: ${Object.keys(SERVERS).join(', ')}）`);
+  process.exit(1);
+}
+
+const root = join(dirname(fileURLToPath(import.meta.url)), '..');
+// 继承 stdio：MCP 协议走 stdin/stdout，stderr 用于日志
+const child = spawn('npx', [bin], {
+  cwd: root,
+  stdio: 'inherit',
+  shell: process.platform === 'win32',
+});
+child.on('exit', (code) => process.exit(code ?? 0));