fix: use dynamic import path for plugin-sdk to bypass TS resolution

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

plugin/index.ts

@@ -199,8 +199,10 @@ export default {
       const sessionKey = `agent:${agentId}:hf-calendar:slot-${slotId}`;
 
       try {
+        // Dynamic import — resolved at runtime by OpenClaw's module system
+        const sdkPath = 'openclaw/plugin-sdk/reply-dispatch-runtime';
         const { dispatchInboundMessageWithDispatcher } = await import(
-          'openclaw/plugin-sdk/reply-dispatch-runtime'
+          /* webpackIgnore: true */ sdkPath
         );
 
         const cfg = api.runtime?.config?.loadConfig?.();