Task model infrastructure for cheap LLM calls (auto-naming, search rewrite, tags, summaries) via a dedicated llama-server instance at TASK_MODEL_URL, falling back to LLAMA_SWAP_URL with FAST_MODEL when unset. Replaces the inline fetch in auto_name.ts with taskModelCompletion. Adds search query rewriting: on step 0 when web tools are enabled, the user's message is summarized into a search intent hint appended to the system prompt, improving web_search relevance. Schema: tasks table for provider dispatch and arena, sessions.tags column. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
115 lines
3.3 KiB
TypeScript
115 lines
3.3 KiB
TypeScript
import type { InferenceContext } from './inference/index.js';
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import { taskModelCompletion } from './task-model.js';
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const NAMING_SYSTEM_PROMPT =
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'You name chat sessions. Reply with ONLY the title. 4 to 6 words. No quotes, no punctuation, no prefix.';
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const MAX_TITLE_CHARS = 80;
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function cleanTitle(raw: string): string {
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let name = raw.trim();
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const quotes = ['"', "'", '`', '‘', '’', '“', '”'];
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while (name.length >= 2 && quotes.includes(name[0]!) && quotes.includes(name[name.length - 1]!)) {
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name = name.slice(1, -1).trim();
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}
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name = name.replace(/^title\s*:\s*/i, '').trim();
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if (name.length > MAX_TITLE_CHARS) {
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name = name.slice(0, MAX_TITLE_CHARS).trim();
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}
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return name;
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}
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// TODO: wire suggestTags after task model validation
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export async function maybeAutoNameChat(
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ctx: InferenceContext,
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chatId: string,
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sessionId: string
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): Promise<void> {
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const counts = await ctx.sql<{ n: number }[]>`
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SELECT COUNT(*)::int AS n
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FROM messages
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WHERE chat_id = ${chatId}
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AND role = 'assistant'
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AND status = 'complete'
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AND content <> ''
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`;
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if ((counts[0]?.n ?? 0) < 1) return;
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const chatRows = await ctx.sql<
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{ id: string; name: string | null; session_id: string }[]
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>`
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SELECT id, name, session_id FROM chats WHERE id = ${chatId}
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`;
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const chat = chatRows[0];
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if (!chat) return;
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if (chat.name !== null && chat.name !== '') return;
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const assistantMsg = await ctx.sql<{ content: string }[]>`
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SELECT content FROM messages
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WHERE chat_id = ${chatId}
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AND role = 'assistant'
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AND status = 'complete'
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AND content <> ''
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ORDER BY created_at ASC
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LIMIT 1
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`;
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if (!assistantMsg[0]) return;
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const assistantText = assistantMsg[0].content.slice(0, 2000);
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const raw = await taskModelCompletion({
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system: NAMING_SYSTEM_PROMPT,
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user: assistantText,
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maxTokens: 30,
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temperature: 0.3,
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});
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const name = cleanTitle(raw);
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if (!name) {
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ctx.log.warn({ chatId, raw }, 'auto-name: empty title from model');
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return;
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}
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const updated = await ctx.sql<{ id: string; name: string; session_id: string; updated_at: string }[]>`
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UPDATE chats
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SET name = ${name}, updated_at = clock_timestamp()
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WHERE id = ${chatId}
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AND (name IS NULL OR name = '')
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RETURNING id, name, session_id, updated_at
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`;
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if (updated.length === 0) return;
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ctx.publish(sessionId, {
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type: 'chat_renamed',
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chat_id: chatId,
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name,
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});
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ctx.publishUser({
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type: 'chat_updated',
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chat_id: chatId,
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session_id: sessionId,
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name,
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updated_at: updated[0]!.updated_at,
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});
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ctx.log.info({ chatId, name }, 'chat auto-named');
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// Propagate to the parent session if it's still on its default name.
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// The WHERE guard makes the check atomic — if the user has already
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// renamed (or a prior chat already propagated), this UPDATE matches
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// zero rows and we do nothing. First chat wins; manual renames win.
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const renamedSession = await ctx.sql<{ id: string; name: string }[]>`
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UPDATE sessions
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SET name = ${name}
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WHERE id = ${sessionId} AND name = 'New session'
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RETURNING id, name
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`;
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if (renamedSession.length > 0) {
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ctx.publishUser({
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type: 'session_renamed',
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session_id: sessionId,
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name,
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});
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ctx.log.info({ sessionId, name }, 'session auto-named from chat');
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}
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}
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