fix(chat): 支持重新生成前撤销消息

src/runtime/opencode.ts

@@ -99,6 +99,28 @@ export class OpencodeRuntimeAdapter {
     return requireData(messages.data, "session.messages");
   }
 
+  async revertMessage(sessionId: string, messageId: string) {
+    const client = await this.ensureClient();
+    const response = await client.session.revert({
+      sessionID: sessionId,
+      messageID: messageId,
+    });
+    return response.data;
+  }
+
+  async revertLastUserMessage(sessionId: string) {
+    const messages = await this.messages(sessionId, 40);
+    const lastUserMessage = [...messages]
+      .reverse()
+      .find((message) => message.info.role === "user");
+
+    if (!lastUserMessage) {
+      throw new Error("no user message found to revert");
+    }
+
+    return this.revertMessage(sessionId, lastUserMessage.info.id);
+  }
+
   async abortSession(sessionId: string) {
     const client = await this.ensureClient();
     const response = await client.session.abort({