feat: 重构对话功能

electron/gateway/types.ts

@@ -0,0 +1,62 @@
+import type { RawMessage } from '@src/pages/home/model/ChatModel';
+
+/// Gateway 向 Renderer 推送的事件类型
+export type GatewayEvent =
+  | {
+      type: 'chat:delta';
+      sessionKey: string;
+      runId: string;
+      delta: string;
+    }
+  | {
+      type: 'chat:final';
+      sessionKey: string;
+      runId: string;
+      message: RawMessage;
+    }
+  | {
+      type: 'chat:error';
+      sessionKey: string;
+      runId: string;
+      error: string;
+    }
+  | {
+      type: 'chat:aborted';
+      sessionKey: string;
+      runId: string;
+    }
+  | {
+      type: 'gateway:status';
+      status: 'connected' | 'disconnected' | 'reconnecting';
+    };
+
+/// Gateway RPC 方法参数映射
+export interface GatewayRpcParams {
+  'chat.send': {
+    sessionKey: string;
+    message: RawMessage;
+    options?: {
+      providerAccountId?: string;
+    };
+  };
+  'chat.history': {
+    sessionKey: string;
+    limit?: number;
+  };
+  'chat.abort': {
+    sessionKey: string;
+  };
+  'session.list': Record<string, never>;
+  'provider.list': Record<string, never>;
+  'provider.getDefault': Record<string, never>;
+}
+
+/// Gateway RPC 方法返回值映射
+export interface GatewayRpcReturns {
+  'chat.send': { runId: string };
+  'chat.history': RawMessage[];
+  'chat.abort': void;
+  'session.list': string[];
+  'provider.list': { accounts: any[]; defaultAccountId: string | null };
+  'provider.getDefault': { accountId: string | null };
+}