优化进度事件处理，添加请求持续时间统计

.gitignore

@@ -1,4 +1,6 @@
 node_modules/
 .opencode/node_modules/
 .local.env
-.vscode
+.vscode
+data/
+logs/

src/routes/chat.ts

@@ -240,7 +240,6 @@ export const buildChatRouter = (
                 }),
               );
             }
-            res.write(toSse("done", { session_id: clientSessionId }));
           }
         }
       } finally {
@@ -341,6 +340,16 @@ type StreamPromptOptions = {
   write: (event: string, data: Record<string, unknown>) => void;
 };
 
+type ProgressStatus = "running" | "completed" | "error";
+
+type ProgressPayload = {
+  id: string;
+  phase: string;
+  status: ProgressStatus;
+  title: string;
+  detail?: string;
+};
+
 const streamPromptResponse = async ({
   runtime,
   opencodeSessionId,
@@ -353,6 +362,9 @@ const streamPromptResponse = async ({
 }: StreamPromptOptions): Promise<{ aborted: boolean; failed: boolean }> => {
   const eventStream = await runtime.subscribeEvents();
   const iterator = eventStream[Symbol.asyncIterator]();
+  const requestStartedAt = Date.now();
+  const progressStartedAtMap = new Map<string, number>();
+  const finalizedProgressIds = new Set<string>();
   const emittedToolParts = new Set<string>();
   const partTypes = new Map<string, Part["type"]>();
   const pendingPartTextDeltas = new Map<string, string[]>();
@@ -375,8 +387,48 @@ const streamPromptResponse = async ({
       })
     : null;
 
-  write("progress", {
-    session_id: clientSessionId,
+  const emitProgress = ({ id, phase, status, title, detail }: ProgressPayload) => {
+    if (status === "running" && finalizedProgressIds.has(id)) {
+      return;
+    }
+
+    const now = Date.now();
+    const startedAt = progressStartedAtMap.get(id) ?? now;
+    if (!progressStartedAtMap.has(id)) {
+      progressStartedAtMap.set(id, startedAt);
+    }
+
+    if (status === "running") {
+      write("progress", {
+        session_id: clientSessionId,
+        id,
+        phase,
+        status,
+        title,
+        detail,
+        started_at: startedAt,
+        elapsed_ms: Math.max(0, now - startedAt),
+      });
+      return;
+    }
+
+    const durationMs = Math.max(0, now - startedAt);
+    finalizedProgressIds.add(id);
+    progressStartedAtMap.delete(id);
+    write("progress", {
+      session_id: clientSessionId,
+      id,
+      phase,
+      status,
+      title,
+      detail,
+      started_at: startedAt,
+      ended_at: now,
+      duration_ms: durationMs,
+    });
+  };
+
+  emitProgress({
     id: "request-received",
     phase: "start",
     status: "running",
@@ -438,8 +490,7 @@ const streamPromptResponse = async ({
       }
 
       if (event.type === "session.status") {
-        write("progress", {
-          session_id: clientSessionId,
+        emitProgress({
           id: "session-status",
           phase: "session",
           status: event.properties.status.type === "idle" ? "completed" : "running",
@@ -515,8 +566,7 @@ const streamPromptResponse = async ({
             reasoningDeltas.get(part.id) ?? [],
             part.time.end,
           );
-          write("progress", {
-            session_id: clientSessionId,
+          emitProgress({
             id: part.id,
             phase: "planning",
             status: part.time.end ? "completed" : "running",
@@ -530,8 +580,7 @@ const streamPromptResponse = async ({
           const isToolFinalState =
             part.state.status === "completed" || part.state.status === "error";
 
-          write("progress", {
-            session_id: clientSessionId,
+          emitProgress({
             id: part.id,
             phase: "tool",
             status: normalizeToolStatus(part.state.status),
@@ -587,8 +636,7 @@ const streamPromptResponse = async ({
         const completed = event.properties.todos.filter(
           (todo) => todo.status === "completed",
         ).length;
-        write("progress", {
-          session_id: clientSessionId,
+        emitProgress({
           id: "todo-progress",
           phase: "planning",
           status: completed === event.properties.todos.length ? "completed" : "running",
@@ -607,6 +655,7 @@ const streamPromptResponse = async ({
             ? getErrorMessage(event.properties.error)
             : "opencode session error",
           detail: event.properties.error?.name,
+          total_duration_ms: Math.max(0, Date.now() - requestStartedAt),
         });
         failed = true;
         done = true;
@@ -614,8 +663,7 @@ const streamPromptResponse = async ({
       }
 
       if (event.type === "session.idle") {
-        write("progress", {
-          session_id: clientSessionId,
+        emitProgress({
           id: "session-status",
           phase: "session",
           status: "completed",
@@ -641,16 +689,14 @@ const streamPromptResponse = async ({
     if (!emittedText) {
       await emitFallbackMessage(runtime, opencodeSessionId, clientSessionId, write);
     }
-    write("progress", {
-      session_id: clientSessionId,
+    emitProgress({
       id: "request-received",
       phase: "start",
       status: "completed",
       title: "请求处理完成",
       detail: "本次请求的分析、工具执行和结果整理流程已经完成。",
     });
-    write("progress", {
-      session_id: clientSessionId,
+    emitProgress({
       id: "request-completed",
       phase: "complete",
       status: "completed",
@@ -659,6 +705,10 @@ const streamPromptResponse = async ({
         ? "最终回答已生成并推送到前端。"
         : "已完成分析，并通过兜底消息补发最终回答内容。",
     });
+    write("done", {
+      session_id: clientSessionId,
+      total_duration_ms: Math.max(0, Date.now() - requestStartedAt),
+    });
     return { aborted: false, failed: false };
   } finally {
     await iterator.return?.(undefined);