main: 增强 Agent Run 逻辑与消息处理
- 添加流式文本推送,支持 `message.delta` 消息类型 - 优化 Run 主流程,增加工具调用与流式数据发布逻辑 - 更新 `phpunit.xml` 环境变量,支持 Agent 配置项 - 扩展文档,完善工具调用与消息类型说明
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@@ -30,13 +30,18 @@ class OutputSink
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}
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/**
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* 追加 Agent 流式文本增量(仅用于 SSE 推送,不落库)。
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*
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* message.delta 消息只用于实时流式推送,不需要持久化到数据库。
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* 最终的完整回复会通过 appendAgentMessage() 落库。
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*
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* @param array<string, mixed> $meta
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*/
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public function appendAgentDelta(string $sessionId, string $runId, string $content, int $deltaIndex, array $meta = []): Message
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public function appendAgentDelta(string $sessionId, string $runId, string $content, int $deltaIndex, array $meta = []): void
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{
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$dedupeKey = "run:{$runId}:agent:delta:{$deltaIndex}";
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return $this->chatService->appendMessage([
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// 1. 创建临时 Message 对象(不保存到数据库)
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$message = new Message([
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'message_id' => (string) \Illuminate\Support\Str::uuid(),
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'session_id' => $sessionId,
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'role' => Message::ROLE_AGENT,
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'type' => 'message.delta',
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@@ -45,8 +50,45 @@ class OutputSink
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'run_id' => $runId,
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'delta_index' => $deltaIndex,
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]),
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'dedupe_key' => $dedupeKey,
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], $wasDeduped);
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'dedupe_key' => "run:{$runId}:agent:delta:{$deltaIndex}",
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'seq' => 0, // delta 消息不需要真实的 seq
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'created_at' => now(),
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]);
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// 2. 仅发布 Redis 事件,供 SSE 实时推送
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$this->publishDeltaMessage($message);
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}
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/**
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* 发布 delta 消息到 Redis(仅用于 SSE 推送)。
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*
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* 此方法不保存消息到数据库,只发布事件供 SSE 客户端接收。
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*/
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private function publishDeltaMessage(Message $message): void
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{
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$root = \Illuminate\Support\Facades\Redis::getFacadeRoot();
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$isMocked = $root instanceof \Mockery\MockInterface;
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// 如果 Redis 不可用(测试环境),直接返回
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if (!class_exists(\Redis::class) && !$isMocked) {
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return;
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}
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$channel = "session:{$message->session_id}:messages";
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try {
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\Illuminate\Support\Facades\Redis::publish(
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$channel,
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json_encode($message->toArray(), JSON_UNESCAPED_UNICODE | JSON_INVALID_UTF8_IGNORE)
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);
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} catch (\Throwable $e) {
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logger()->warning('Redis publish failed for delta message', [
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'session_id' => $message->session_id,
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'run_id' => $message->payload['run_id'] ?? null,
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'delta_index' => $message->payload['delta_index'] ?? null,
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'error' => $e->getMessage(),
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]);
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}
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}
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/**
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