agent功能开发增加MCP后端

This commit is contained in:
2025-11-07 23:51:18 +08:00
parent 6899b9d0d2
commit 95eb86c06a
2 changed files with 279 additions and 61 deletions

View File

@@ -307,6 +307,12 @@ const AgentChatV3 = () => {
const decoder = new TextDecoder();
let buffer = '';
// 流式状态变量
let thinkingMessageId = null;
let thinkingContent = '';
let summaryMessageId = null;
let summaryContent = '';
// 读取流式数据
while (true) {
const { done, value } = await reader.read();
@@ -316,11 +322,14 @@ const AgentChatV3 = () => {
const lines = buffer.split('\n');
buffer = lines.pop(); // 保留不完整的行
let currentEvent = null;
for (const line of lines) {
if (!line.trim() || line.startsWith(':')) continue;
if (line.startsWith('event:')) {
// 忽略事件类型
// 提取事件类型
currentEvent = line.substring(6).trim();
continue;
}
@@ -328,19 +337,37 @@ const AgentChatV3 = () => {
try {
const data = JSON.parse(line.substring(5).trim());
// 处理不同类型的事件
if (data.stage === 'planning') {
// 正在制定计划
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING));
addMessage({
type: MessageTypes.AGENT_THINKING,
content: '正在制定执行计划...',
timestamp: new Date().toISOString(),
});
setCurrentProgress(20);
} else if (data.goal) {
// 根据事件类型处理数据
if (currentEvent === 'thinking') {
// Kimi 流式思考过程
if (!thinkingMessageId) {
thinkingMessageId = Date.now();
thinkingContent = '';
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING));
addMessage({
id: thinkingMessageId,
type: MessageTypes.AGENT_THINKING,
content: '',
timestamp: new Date().toISOString(),
});
}
thinkingContent += data.content;
// 实时更新思考内容
setMessages((prev) =>
prev.map((m) =>
m.id === thinkingMessageId
? { ...m, content: thinkingContent }
: m
)
);
} else if (currentEvent === 'reasoning') {
// Kimi 推理过程(可选显示)
logger.info('Kimi reasoning:', data.content);
} else if (currentEvent === 'plan') {
// 收到执行计划
currentPlan = data;
thinkingMessageId = null;
thinkingContent = '';
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING));
addMessage({
type: MessageTypes.AGENT_PLAN,
@@ -349,20 +376,7 @@ const AgentChatV3 = () => {
timestamp: new Date().toISOString(),
});
setCurrentProgress(30);
} else if (data.stage === 'executing') {
// 开始执行步骤
const msgId = Date.now();
executingMessageId = msgId;
addMessage({
id: msgId,
type: MessageTypes.AGENT_EXECUTING,
content: `正在执行 ${data.message}`,
plan: currentPlan,
stepResults: [],
timestamp: new Date().toISOString(),
});
setCurrentProgress(40);
} else if (data.step_index !== undefined && data.tool) {
} else if (currentEvent === 'step_complete') {
// 收到步骤完成事件
const stepResult = {
step_index: data.step_index,
@@ -386,29 +400,90 @@ const AgentChatV3 = () => {
// 更新进度
const progress = 40 + (stepResults.length / (currentPlan?.steps?.length || 5)) * 40;
setCurrentProgress(Math.min(progress, 80));
} else if (data.stage === 'summarizing') {
// 正在生成总结
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_EXECUTING));
addMessage({
type: MessageTypes.AGENT_THINKING,
content: '正在生成分析报告...',
timestamp: new Date().toISOString(),
});
setCurrentProgress(85);
} else if (data.content) {
// 收到最终总结
} else if (currentEvent === 'summary_chunk') {
// 流式总结内容
if (!summaryMessageId) {
summaryMessageId = Date.now();
summaryContent = '';
setMessages((prev) =>
prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING && m.type !== MessageTypes.AGENT_EXECUTING)
);
addMessage({
id: summaryMessageId,
type: MessageTypes.AGENT_RESPONSE,
content: '',
plan: currentPlan,
stepResults: stepResults,
timestamp: new Date().toISOString(),
});
setCurrentProgress(85);
}
summaryContent += data.content;
// 实时更新总结内容
setMessages((prev) =>
prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING && m.type !== MessageTypes.AGENT_EXECUTING)
prev.map((m) =>
m.id === summaryMessageId
? { ...m, content: summaryContent }
: m
)
);
addMessage({
type: MessageTypes.AGENT_RESPONSE,
content: data.content,
plan: currentPlan,
stepResults: stepResults,
metadata: data.metadata,
timestamp: new Date().toISOString(),
});
} else if (currentEvent === 'summary') {
// 收到完整总结(包含元数据)
if (summaryMessageId) {
// 更新已有消息的元数据
setMessages((prev) =>
prev.map((m) =>
m.id === summaryMessageId
? { ...m, metadata: data.metadata }
: m
)
);
} else {
// 如果没有流式片段,直接显示完整总结
setMessages((prev) =>
prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING && m.type !== MessageTypes.AGENT_EXECUTING)
);
addMessage({
type: MessageTypes.AGENT_RESPONSE,
content: data.content,
plan: currentPlan,
stepResults: stepResults,
metadata: data.metadata,
timestamp: new Date().toISOString(),
});
}
setCurrentProgress(100);
} else if (currentEvent === 'status') {
// 状态更新
if (data.stage === 'planning') {
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_THINKING));
addMessage({
type: MessageTypes.AGENT_THINKING,
content: data.message,
timestamp: new Date().toISOString(),
});
setCurrentProgress(10);
} else if (data.stage === 'executing') {
const msgId = Date.now();
executingMessageId = msgId;
addMessage({
id: msgId,
type: MessageTypes.AGENT_EXECUTING,
content: data.message,
plan: currentPlan,
stepResults: [],
timestamp: new Date().toISOString(),
});
setCurrentProgress(40);
} else if (data.stage === 'summarizing') {
setMessages((prev) => prev.filter((m) => m.type !== MessageTypes.AGENT_EXECUTING));
addMessage({
type: MessageTypes.AGENT_THINKING,
content: data.message,
timestamp: new Date().toISOString(),
});
setCurrentProgress(80);
}
}
} catch (e) {
logger.error('解析 SSE 数据失败', e);