fix: add session-memory hook support for Feishu provider (#31437)

* fix: add session-memory hook support for Feishu provider

Issue #31275: Session-memory hook not triggered when using /new command in Feishu

- Added command handler to Feishu provider
- Integrated with OpenClaw's before_reset hook system
- Ensures session memory is saved when /new or /reset commands are used

* Changelog: note Feishu session-memory hook parity

---------

Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

extensions/feishu/src/feishu-command-handler.ts

@@ -0,0 +1,49 @@
+import type { PluginHookRunner } from "openclaw/plugin-sdk";
+import { DEFAULT_RESET_TRIGGERS } from "../../../config/sessions/types.js";
+
+/**
+ * Handle Feishu command messages and trigger appropriate hooks
+ */
+export async function handleFeishuCommand(
+  messageText: string,
+  sessionKey: string,
+  hookRunner: PluginHookRunner,
+  context: {
+    cfg: any;
+    sessionEntry: any;
+    previousSessionEntry?: any;
+    commandSource: string;
+    timestamp: number;
+  }
+): Promise<boolean> {
+  // Check if message is a reset command
+  const trimmed = messageText.trim().toLowerCase();
+  const isResetCommand = DEFAULT_RESET_TRIGGERS.some(trigger => 
+    trimmed === trigger || trimmed.startsWith(`${trigger} `)
+  );
+
+  if (isResetCommand) {
+    // Extract the actual command (without arguments)
+    const command = trimmed.split(' ')[0];
+    
+    // Trigger the before_reset hook
+    await hookRunner.runBeforeReset(
+      {
+        type: "command",
+        action: command.replace('/', '') as "new" | "reset",
+        context: {
+          ...context,
+          commandSource: "feishu"
+        }
+      },
+      {
+        agentId: "main", // or extract from sessionKey
+        sessionKey
+      }
+    );
+    
+    return true; // Command was handled
+  }
+  
+  return false; // Not a command we handle
+}