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Fix UI stop button delay by using Next.js after() for background chat summaries

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This commit is contained in:
mawkone
2026-06-15 16:48:40 -07:00
parent 7aa3056f59
commit 74f81f23d0
1 changed files with 9 additions and 10 deletions
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13
vibn-frontend/app/api/chat/route.ts
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@@ -14,7 +14,7 @@
* data: {"type":"done"} * data: {"type":"done"}
* data: {"type":"error","error":"..."} * data: {"type":"error","error":"..."}
*/ */
import { NextResponse } from "next/server"; import { NextResponse, after } from "next/server";
import { requireWorkspacePrincipal } from "@/lib/auth/workspace-auth"; import { requireWorkspacePrincipal } from "@/lib/auth/workspace-auth";
import { query, queryOne } from "@/lib/db-postgres"; import { query, queryOne } from "@/lib/db-postgres";
import { callVibnChat, streamVibnChat } from "@/lib/ai/vibn-chat-model"; import { callVibnChat, streamVibnChat } from "@/lib/ai/vibn-chat-model";
@@ -628,22 +628,21 @@ function extractPreviewUrl(messages: ChatMessage[]): string | undefined {
return undefined; return undefined;
} }
function summarizeForUI(raw: string): string { function summarizeForUI(raw: string): string {
try { try {
const p = JSON.parse(raw); const p = JSON.parse(raw);
if (p && typeof p === "object") { if (p && typeof p === "object") {
const clone = { ...p }; const clone = { ...p };
// Strip massive payload fields so the UI gets intact JSON // Strip massive payload fields so the UI gets intact JSON
if (clone.result && typeof clone.result === 'object') { if (clone.result && typeof clone.result === "object") {
if (clone.result.log) clone.result.log = "..."; if (clone.result.log) clone.result.log = "...";
if (clone.result.content) clone.result.content = "..."; if (clone.result.content) clone.result.content = "...";
if (clone.result.listing) clone.result.listing = "..."; if (clone.result.listing) clone.result.listing = "...";
} }
if (typeof clone.stdout === 'string' && clone.stdout.length > 200) { if (typeof clone.stdout === "string" && clone.stdout.length > 200) {
clone.stdout = clone.stdout.slice(0, 200) + "..."; clone.stdout = clone.stdout.slice(0, 200) + "...";
} }
if (typeof clone.stderr === 'string' && clone.stderr.length > 200) { if (typeof clone.stderr === "string" && clone.stderr.length > 200) {
clone.stderr = clone.stderr.slice(0, 200) + "..."; clone.stderr = clone.stderr.slice(0, 200) + "...";
} }
return JSON.stringify(clone); return JSON.stringify(clone);
@@ -1898,7 +1897,7 @@ export async function POST(request: Request) {
// Wrapped in try/catch + .catch — the response stream is already // Wrapped in try/catch + .catch — the response stream is already
// closed and we don't want a summary failure to surface as an // closed and we don't want a summary failure to surface as an
// error to the user. // error to the user.
(async () => { after(async () => {
try { try {
const allMessages = [...history, finalMsg]; const allMessages = [...history, finalMsg];
// Only summarize if there's something worth summarizing. // Only summarize if there's something worth summarizing.
@@ -1951,7 +1950,7 @@ export async function POST(request: Request) {
} catch { } catch {
// best-effort; silent failure // best-effort; silent failure
} }
})().catch(() => {}); });
// Plan extraction is handled inline during tool calls or proactively. // Plan extraction is handled inline during tool calls or proactively.
emit({ type: "done" }); emit({ type: "done" });