f6eef3a7f6
- Wire processRequest() async generator to chat page - Progressive message rendering as stream chunks arrive - Animated loading dots while waiting for first chunk - Error display with OrchestratorError code mapping - Session ID management with crypto.randomUUID() Closes #7 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
87 lines
2.3 KiB
Svelte
87 lines
2.3 KiB
Svelte
<script lang="ts">
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import type { ChatMessage } from '$lib/types';
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import MessageList from '$lib/components/MessageList.svelte';
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import MessageInput from '$lib/components/MessageInput.svelte';
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import { processRequest, OrchestratorError } from '$lib/services/orchestrator';
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let messages: ChatMessage[] = $state([]);
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let isStreaming = $state(false);
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let error: string | null = $state(null);
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let sessionId = $state(crypto.randomUUID());
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async function handleSend(content: string) {
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error = null;
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const userMessage: ChatMessage = {
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id: crypto.randomUUID(),
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role: 'user',
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content,
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timestamp: new Date()
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};
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messages.push(userMessage);
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const assistantMessage: ChatMessage = {
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id: crypto.randomUUID(),
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role: 'assistant',
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content: '',
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timestamp: new Date()
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};
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messages.push(assistantMessage);
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isStreaming = true;
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try {
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for await (const response of processRequest(sessionId, content)) {
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const idx = messages.length - 1;
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messages[idx] = {
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...messages[idx],
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content: response.message
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};
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}
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} catch (err) {
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const msg =
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err instanceof OrchestratorError
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? `Error (${err.code}): ${err.message}`
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: 'An unexpected error occurred';
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error = msg;
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// Update the assistant message with the error
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const idx = messages.length - 1;
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messages[idx] = {
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...messages[idx],
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content: `⚠ ${msg}`
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};
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} finally {
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isStreaming = false;
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}
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}
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</script>
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<div class="flex h-screen flex-col">
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<header class="border-b border-gray-200 bg-white px-4 py-3">
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<h1 class="text-lg font-semibold text-gray-900">Chat</h1>
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</header>
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<MessageList {messages} />
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{#if isStreaming && messages.length > 0 && messages[messages.length - 1].content === ''}
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<div class="flex justify-start px-4 pb-2">
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<div class="flex items-center gap-1.5 rounded-2xl bg-gray-200 px-4 py-2.5">
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<span class="h-2 w-2 animate-bounce rounded-full bg-gray-500 [animation-delay:0ms]"
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></span>
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<span class="h-2 w-2 animate-bounce rounded-full bg-gray-500 [animation-delay:150ms]"
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></span>
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<span class="h-2 w-2 animate-bounce rounded-full bg-gray-500 [animation-delay:300ms]"
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></span>
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</div>
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</div>
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{/if}
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{#if error}
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<div class="mx-4 mb-2 rounded-lg bg-red-50 px-4 py-2 text-sm text-red-600">
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{error}
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</div>
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{/if}
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<MessageInput onSend={handleSend} disabled={isStreaming} />
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</div>
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