fix: load ejclaw mcp tools on claude first turn

runners/agent-runner/src/mcp-config.ts

@@ -0,0 +1,35 @@
+import type { McpStdioServerConfig } from '@anthropic-ai/claude-agent-sdk';
+
+export interface EjclawMcpServerConfigInput {
+  chatJid: string;
+  groupFolder: string;
+  isMain: boolean;
+  agentType: string;
+  roomRole: string;
+  ipcDir?: string;
+  hostIpcDir?: string;
+}
+
+export function buildEjclawMcpServerConfig(
+  mcpServerPath: string,
+  input: EjclawMcpServerConfigInput,
+): McpStdioServerConfig {
+  return {
+    command: 'node',
+    args: [mcpServerPath],
+    alwaysLoad: true,
+    env: {
+      EJCLAW_CHAT_JID: input.chatJid,
+      EJCLAW_GROUP_FOLDER: input.groupFolder,
+      EJCLAW_IS_MAIN: input.isMain ? '1' : '0',
+      EJCLAW_AGENT_TYPE: input.agentType,
+      EJCLAW_ROOM_ROLE: input.roomRole,
+      ...(input.ipcDir && {
+        EJCLAW_IPC_DIR: input.ipcDir,
+      }),
+      ...(input.hostIpcDir && {
+        EJCLAW_HOST_IPC_DIR: input.hostIpcDir,
+      }),
+    },
+  };
+}