Copilot
c46e4a341a
This fixes memory leak, will remove one unnecessary MCP after this in a new PR but this is mission critical fix * Initial plan * Fix memory leaks: Add proper cleanup for ChromaSync and search server processes Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * Add comprehensive process cleanup and PM2 configuration improvements Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * Add comprehensive summary and recommendations for memory leak fixes Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>
1823 lines
69 KiB
TypeScript
1823 lines
69 KiB
TypeScript
/**
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* Claude-mem MCP Search Server
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* Exposes SessionSearch capabilities as MCP tools with search_result formatting
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*/
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import { Server } from '@modelcontextprotocol/sdk/server/index.js';
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import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
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import { Client } from '@modelcontextprotocol/sdk/client/index.js';
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import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
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import {
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CallToolRequestSchema,
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ListToolsRequestSchema,
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} from '@modelcontextprotocol/sdk/types.js';
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import { z } from 'zod';
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import { zodToJsonSchema } from 'zod-to-json-schema';
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import { basename } from 'path';
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import { SessionSearch } from '../services/sqlite/SessionSearch.js';
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import { SessionStore } from '../services/sqlite/SessionStore.js';
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import { ObservationSearchResult, SessionSummarySearchResult, UserPromptSearchResult } from '../services/sqlite/types.js';
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import { VECTOR_DB_DIR } from '../shared/paths.js';
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// Initialize search instances
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let search: SessionSearch;
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let store: SessionStore;
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let chromaClient: Client | null = null;
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const COLLECTION_NAME = 'cm__claude-mem';
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try {
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search = new SessionSearch();
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store = new SessionStore();
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} catch (error: any) {
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console.error('[search-server] Failed to initialize search:', error.message);
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process.exit(1);
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}
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/**
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* Query Chroma vector database via MCP
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*/
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async function queryChroma(
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query: string,
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limit: number,
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whereFilter?: Record<string, any>
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): Promise<{ ids: number[]; distances: number[]; metadatas: any[] }> {
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if (!chromaClient) {
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throw new Error('Chroma client not initialized');
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}
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const result = await chromaClient.callTool({
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name: 'chroma_query_documents',
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arguments: {
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collection_name: COLLECTION_NAME,
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query_texts: [query],
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n_results: limit,
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include: ['documents', 'metadatas', 'distances'],
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where: whereFilter
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}
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});
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const resultText = result.content[0]?.text || '';
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// Parse JSON response
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let parsed: any;
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try {
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parsed = JSON.parse(resultText);
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} catch (error) {
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console.error('[search-server] Failed to parse Chroma response as JSON:', error);
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return { ids: [], distances: [], metadatas: [] };
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}
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// Extract unique IDs from document IDs
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const ids: number[] = [];
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const docIds = parsed.ids?.[0] || [];
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for (const docId of docIds) {
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// Extract sqlite_id from document ID (supports three formats):
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// - obs_{id}_narrative, obs_{id}_fact_0, etc (observations)
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// - summary_{id}_request, summary_{id}_learned, etc (session summaries)
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// - prompt_{id} (user prompts)
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const obsMatch = docId.match(/obs_(\d+)_/);
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const summaryMatch = docId.match(/summary_(\d+)_/);
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const promptMatch = docId.match(/prompt_(\d+)/);
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let sqliteId: number | null = null;
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if (obsMatch) {
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sqliteId = parseInt(obsMatch[1], 10);
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} else if (summaryMatch) {
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sqliteId = parseInt(summaryMatch[1], 10);
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} else if (promptMatch) {
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sqliteId = parseInt(promptMatch[1], 10);
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}
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if (sqliteId !== null && !ids.includes(sqliteId)) {
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ids.push(sqliteId);
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}
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}
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const distances = parsed.distances?.[0] || [];
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const metadatas = parsed.metadatas?.[0] || [];
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return { ids, distances, metadatas };
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}
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/**
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* Format search tips footer
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*/
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function formatSearchTips(): string {
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return `\n---
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💡 Search Strategy:
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ALWAYS search with index format FIRST to get an overview and identify relevant results.
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This is critical for token efficiency - index format uses ~10x fewer tokens than full format.
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Search workflow:
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1. Initial search: Use default (index) format to see titles, dates, and sources
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2. Review results: Identify which items are most relevant to your needs
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3. Deep dive: Only then use format: "full" on specific items of interest
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4. Narrow down: Use filters (type, dateRange, concepts, files) to refine results
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Other tips:
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• To search by concept: Use find_by_concept tool
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• To browse by type: Use find_by_type with ["decision", "feature", etc.]
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• To sort by date: Use orderBy: "date_desc" or "date_asc"`;
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}
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/**
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* Format observation as index entry (title, date, ID only)
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*/
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function formatObservationIndex(obs: ObservationSearchResult, index: number): string {
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const title = obs.title || `Observation #${obs.id}`;
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const date = new Date(obs.created_at_epoch).toLocaleString();
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const type = obs.type ? `[${obs.type}]` : '';
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return `${index + 1}. ${type} ${title}
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Date: ${date}
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Source: claude-mem://observation/${obs.id}`;
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}
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/**
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* Format session summary as index entry (title, date, ID only)
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*/
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function formatSessionIndex(session: SessionSummarySearchResult, index: number): string {
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const title = session.request || `Session ${session.sdk_session_id?.substring(0, 8) || 'unknown'}`;
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const date = new Date(session.created_at_epoch).toLocaleString();
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return `${index + 1}. ${title}
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Date: ${date}
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Source: claude-mem://session/${session.sdk_session_id}`;
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}
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/**
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* Format observation as text content with metadata
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*/
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function formatObservationResult(obs: ObservationSearchResult): string {
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const title = obs.title || `Observation #${obs.id}`;
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// Build content from available fields
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const contentParts: string[] = [];
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contentParts.push(`## ${title}`);
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contentParts.push(`*Source: claude-mem://observation/${obs.id}*`);
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contentParts.push('');
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if (obs.subtitle) {
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contentParts.push(`**${obs.subtitle}**`);
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contentParts.push('');
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}
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if (obs.narrative) {
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contentParts.push(obs.narrative);
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contentParts.push('');
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}
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if (obs.text) {
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contentParts.push(obs.text);
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contentParts.push('');
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}
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// Add metadata
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const metadata: string[] = [];
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metadata.push(`Type: ${obs.type}`);
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if (obs.facts) {
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try {
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const facts = JSON.parse(obs.facts);
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if (facts.length > 0) {
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metadata.push(`Facts: ${facts.join('; ')}`);
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}
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} catch {}
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}
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if (obs.concepts) {
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try {
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const concepts = JSON.parse(obs.concepts);
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if (concepts.length > 0) {
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metadata.push(`Concepts: ${concepts.join(', ')}`);
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}
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} catch {}
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}
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if (obs.files_read || obs.files_modified) {
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const files: string[] = [];
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if (obs.files_read) {
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try {
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files.push(...JSON.parse(obs.files_read));
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} catch {}
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}
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if (obs.files_modified) {
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try {
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files.push(...JSON.parse(obs.files_modified));
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} catch {}
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}
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if (files.length > 0) {
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metadata.push(`Files: ${[...new Set(files)].join(', ')}`);
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}
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}
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if (metadata.length > 0) {
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contentParts.push('---');
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contentParts.push(metadata.join(' | '));
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}
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// Add date
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const date = new Date(obs.created_at_epoch).toLocaleString();
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contentParts.push('');
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contentParts.push(`---`);
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contentParts.push(`Date: ${date}`);
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return contentParts.join('\n');
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}
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/**
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* Format session summary as text content with metadata
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*/
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function formatSessionResult(session: SessionSummarySearchResult): string {
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const title = session.request || `Session ${session.sdk_session_id?.substring(0, 8) || 'unknown'}`;
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// Build content from available fields
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const contentParts: string[] = [];
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contentParts.push(`## ${title}`);
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contentParts.push(`*Source: claude-mem://session/${session.sdk_session_id}*`);
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contentParts.push('');
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if (session.completed) {
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contentParts.push(`**Completed:** ${session.completed}`);
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contentParts.push('');
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}
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if (session.learned) {
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contentParts.push(`**Learned:** ${session.learned}`);
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contentParts.push('');
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}
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if (session.investigated) {
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contentParts.push(`**Investigated:** ${session.investigated}`);
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contentParts.push('');
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}
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if (session.next_steps) {
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contentParts.push(`**Next Steps:** ${session.next_steps}`);
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contentParts.push('');
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}
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if (session.notes) {
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contentParts.push(`**Notes:** ${session.notes}`);
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contentParts.push('');
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}
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// Add metadata
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const metadata: string[] = [];
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if (session.files_read || session.files_edited) {
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const files: string[] = [];
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if (session.files_read) {
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try {
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files.push(...JSON.parse(session.files_read));
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} catch {}
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}
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if (session.files_edited) {
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try {
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files.push(...JSON.parse(session.files_edited));
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} catch {}
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}
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if (files.length > 0) {
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metadata.push(`Files: ${[...new Set(files)].join(', ')}`);
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}
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}
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const date = new Date(session.created_at_epoch).toLocaleDateString();
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metadata.push(`Date: ${date}`);
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if (metadata.length > 0) {
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contentParts.push('---');
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contentParts.push(metadata.join(' | '));
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}
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return contentParts.join('\n');
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}
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/**
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* Format user prompt as index entry (full text - don't truncate context!)
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*/
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function formatUserPromptIndex(prompt: UserPromptSearchResult, index: number): string {
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const date = new Date(prompt.created_at_epoch).toLocaleString();
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return `${index + 1}. "${prompt.prompt_text}"
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Date: ${date} | Prompt #${prompt.prompt_number}
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Source: claude-mem://user-prompt/${prompt.id}`;
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}
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/**
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* Format user prompt as text content with metadata
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*/
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function formatUserPromptResult(prompt: UserPromptSearchResult): string {
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const contentParts: string[] = [];
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contentParts.push(`## User Prompt #${prompt.prompt_number}`);
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contentParts.push(`*Source: claude-mem://user-prompt/${prompt.id}*`);
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contentParts.push('');
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contentParts.push(prompt.prompt_text);
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contentParts.push('');
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contentParts.push('---');
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const date = new Date(prompt.created_at_epoch).toLocaleString();
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contentParts.push(`Date: ${date}`);
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return contentParts.join('\n');
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}
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/**
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* Common filter schema
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*/
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const filterSchema = z.object({
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project: z.string().optional().describe('Filter by project name'),
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type: z.union([
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z.enum(['decision', 'bugfix', 'feature', 'refactor', 'discovery', 'change']),
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z.array(z.enum(['decision', 'bugfix', 'feature', 'refactor', 'discovery', 'change']))
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]).optional().describe('Filter by observation type'),
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concepts: z.union([z.string(), z.array(z.string())]).optional().describe('Filter by concept tags'),
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files: z.union([z.string(), z.array(z.string())]).optional().describe('Filter by file paths (partial match)'),
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dateRange: z.object({
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start: z.union([z.string(), z.number()]).optional().describe('Start date (ISO string or epoch)'),
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end: z.union([z.string(), z.number()]).optional().describe('End date (ISO string or epoch)')
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}).optional().describe('Filter by date range'),
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limit: z.number().min(1).max(100).default(20).describe('Maximum number of results'),
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offset: z.number().min(0).default(0).describe('Number of results to skip'),
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orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
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});
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// Define tool schemas
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const tools = [
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{
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name: 'search_observations',
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description: 'Search observations using hybrid semantic + full-text search (ChromaDB primary, SQLite FTS5 fallback). IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
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inputSchema: z.object({
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query: z.string().describe('Natural language search query (semantic ranking via ChromaDB, FTS5 fallback)'),
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format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for titles/dates only (default, RECOMMENDED for initial search), "full" for complete details (use only after reviewing index results)'),
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...filterSchema.shape
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}),
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handler: async (args: any) => {
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try {
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const { query, format = 'index', ...options } = args;
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let results: ObservationSearchResult[] = [];
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// Hybrid search: Try Chroma semantic search first, fall back to FTS5
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if (chromaClient) {
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try {
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console.error('[search-server] Using hybrid semantic search (Chroma + SQLite)');
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// Step 1: Chroma semantic search (top 100)
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const chromaResults = await queryChroma(query, 100);
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console.error(`[search-server] Chroma returned ${chromaResults.ids.length} semantic matches`);
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if (chromaResults.ids.length > 0) {
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// Step 2: Filter by recency (90 days)
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const ninetyDaysAgo = Date.now() - (90 * 24 * 60 * 60 * 1000);
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const recentIds = chromaResults.ids.filter((_id, idx) => {
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const meta = chromaResults.metadatas[idx];
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return meta && meta.created_at_epoch > ninetyDaysAgo;
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});
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console.error(`[search-server] ${recentIds.length} results within 90-day window`);
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// Step 3: Hydrate from SQLite in temporal order
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if (recentIds.length > 0) {
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const limit = options.limit || 20;
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results = store.getObservationsByIds(recentIds, { orderBy: 'date_desc', limit });
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console.error(`[search-server] Hydrated ${results.length} observations from SQLite`);
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}
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}
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} catch (chromaError: any) {
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console.error('[search-server] Chroma query failed, falling back to FTS5:', chromaError.message);
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// Fall through to FTS5 fallback
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}
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}
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// Fall back to FTS5 if Chroma unavailable or returned no results
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if (results.length === 0) {
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console.error('[search-server] Using FTS5 keyword search');
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results = search.searchObservations(query, options);
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}
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if (results.length === 0) {
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return {
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content: [{
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type: 'text' as const,
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text: `No observations found matching "${query}"`
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}]
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};
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}
|
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// Format based on requested format
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let combinedText: string;
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if (format === 'index') {
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const header = `Found ${results.length} observation(s) matching "${query}":\n\n`;
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const formattedResults = results.map((obs, i) => formatObservationIndex(obs, i));
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combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
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} else {
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const formattedResults = results.map((obs) => formatObservationResult(obs));
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combinedText = formattedResults.join('\n\n---\n\n');
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}
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return {
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content: [{
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type: 'text' as const,
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text: combinedText
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}]
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};
|
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} catch (error: any) {
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return {
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content: [{
|
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type: 'text' as const,
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text: `Search failed: ${error.message}`
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}],
|
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isError: true
|
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};
|
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}
|
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}
|
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},
|
|
{
|
|
name: 'search_sessions',
|
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description: 'Search session summaries using hybrid semantic + full-text search (ChromaDB primary, SQLite FTS5 fallback). IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
|
|
inputSchema: z.object({
|
|
query: z.string().describe('Natural language search query (semantic ranking via ChromaDB, FTS5 fallback)'),
|
|
format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for titles/dates only (default, RECOMMENDED for initial search), "full" for complete details (use only after reviewing index results)'),
|
|
project: z.string().optional().describe('Filter by project name'),
|
|
dateRange: z.object({
|
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start: z.union([z.string(), z.number()]).optional(),
|
|
end: z.union([z.string(), z.number()]).optional()
|
|
}).optional().describe('Filter by date range'),
|
|
limit: z.number().min(1).max(100).default(20).describe('Maximum number of results'),
|
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offset: z.number().min(0).default(0).describe('Number of results to skip'),
|
|
orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { query, format = 'index', ...options } = args;
|
|
let results: SessionSummarySearchResult[] = [];
|
|
|
|
// Hybrid search: Try Chroma semantic search first, fall back to FTS5
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using hybrid semantic search for sessions');
|
|
|
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// Step 1: Chroma semantic search (top 100)
|
|
const chromaResults = await queryChroma(query, 100, { doc_type: 'session_summary' });
|
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console.error(`[search-server] Chroma returned ${chromaResults.ids.length} semantic matches`);
|
|
|
|
if (chromaResults.ids.length > 0) {
|
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// Step 2: Filter by recency (90 days)
|
|
const ninetyDaysAgo = Date.now() - (90 * 24 * 60 * 60 * 1000);
|
|
const recentIds = chromaResults.ids.filter((_id, idx) => {
|
|
const meta = chromaResults.metadatas[idx];
|
|
return meta && meta.created_at_epoch > ninetyDaysAgo;
|
|
});
|
|
|
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console.error(`[search-server] ${recentIds.length} results within 90-day window`);
|
|
|
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// Step 3: Hydrate from SQLite in temporal order
|
|
if (recentIds.length > 0) {
|
|
const limit = options.limit || 20;
|
|
results = store.getSessionSummariesByIds(recentIds, { orderBy: 'date_desc', limit });
|
|
console.error(`[search-server] Hydrated ${results.length} sessions from SQLite`);
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma query failed, falling back to FTS5:', chromaError.message);
|
|
}
|
|
}
|
|
|
|
// Fall back to FTS5 if Chroma unavailable or returned no results
|
|
if (results.length === 0) {
|
|
console.error('[search-server] Using FTS5 keyword search');
|
|
results = search.searchSessions(query, options);
|
|
}
|
|
|
|
if (results.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No sessions found matching "${query}"`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Format based on requested format
|
|
let combinedText: string;
|
|
if (format === 'index') {
|
|
const header = `Found ${results.length} session(s) matching "${query}":\n\n`;
|
|
const formattedResults = results.map((session, i) => formatSessionIndex(session, i));
|
|
combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
|
|
} else {
|
|
const formattedResults = results.map((session) => formatSessionResult(session));
|
|
combinedText = formattedResults.join('\n\n---\n\n');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: combinedText
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Search failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'find_by_concept',
|
|
description: 'Find observations tagged with a specific concept. Available concepts: "discovery", "problem-solution", "what-changed", "how-it-works", "pattern", "gotcha", "change". IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
|
|
inputSchema: z.object({
|
|
concept: z.string().describe('Concept tag to search for. Available: discovery, problem-solution, what-changed, how-it-works, pattern, gotcha, change'),
|
|
format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for titles/dates only (default, RECOMMENDED for initial search), "full" for complete details (use only after reviewing index results)'),
|
|
project: z.string().optional().describe('Filter by project name'),
|
|
dateRange: z.object({
|
|
start: z.union([z.string(), z.number()]).optional(),
|
|
end: z.union([z.string(), z.number()]).optional()
|
|
}).optional().describe('Filter by date range'),
|
|
limit: z.number().min(1).max(100).default(20).describe('Maximum results. IMPORTANT: Start with 3-5 to avoid exceeding MCP token limits, even in index mode.'),
|
|
offset: z.number().min(0).default(0).describe('Number of results to skip'),
|
|
orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { concept, format = 'index', ...filters } = args;
|
|
let results: ObservationSearchResult[] = [];
|
|
|
|
// Metadata-first, semantic-enhanced search
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using metadata-first + semantic ranking for concept search');
|
|
|
|
// Step 1: SQLite metadata filter (get all IDs with this concept)
|
|
const metadataResults = search.findByConcept(concept, filters);
|
|
console.error(`[search-server] Found ${metadataResults.length} observations with concept "${concept}"`);
|
|
|
|
if (metadataResults.length > 0) {
|
|
// Step 2: Chroma semantic ranking (rank by relevance to concept)
|
|
const ids = metadataResults.map(obs => obs.id);
|
|
const chromaResults = await queryChroma(concept, Math.min(ids.length, 100));
|
|
|
|
// Intersect: Keep only IDs that passed metadata filter, in semantic rank order
|
|
const rankedIds: number[] = [];
|
|
for (const chromaId of chromaResults.ids) {
|
|
if (ids.includes(chromaId) && !rankedIds.includes(chromaId)) {
|
|
rankedIds.push(chromaId);
|
|
}
|
|
}
|
|
|
|
console.error(`[search-server] Chroma ranked ${rankedIds.length} results by semantic relevance`);
|
|
|
|
// Step 3: Hydrate in semantic rank order
|
|
if (rankedIds.length > 0) {
|
|
results = store.getObservationsByIds(rankedIds, { limit: filters.limit || 20 });
|
|
// Restore semantic ranking order
|
|
results.sort((a, b) => rankedIds.indexOf(a.id) - rankedIds.indexOf(b.id));
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma ranking failed, using SQLite order:', chromaError.message);
|
|
// Fall through to SQLite fallback
|
|
}
|
|
}
|
|
|
|
// Fall back to SQLite-only if Chroma unavailable or failed
|
|
if (results.length === 0) {
|
|
console.error('[search-server] Using SQLite-only concept search');
|
|
results = search.findByConcept(concept, filters);
|
|
}
|
|
|
|
if (results.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No observations found with concept "${concept}"`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Format based on requested format
|
|
let combinedText: string;
|
|
if (format === 'index') {
|
|
const header = `Found ${results.length} observation(s) with concept "${concept}":\n\n`;
|
|
const formattedResults = results.map((obs, i) => formatObservationIndex(obs, i));
|
|
combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
|
|
} else {
|
|
const formattedResults = results.map((obs) => formatObservationResult(obs));
|
|
combinedText = formattedResults.join('\n\n---\n\n');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: combinedText
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Search failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'find_by_file',
|
|
description: 'Find observations and sessions that reference a specific file path. IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
|
|
inputSchema: z.object({
|
|
filePath: z.string().describe('File path to search for (supports partial matching)'),
|
|
format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for titles/dates only (default, RECOMMENDED for initial search), "full" for complete details (use only after reviewing index results)'),
|
|
project: z.string().optional().describe('Filter by project name'),
|
|
dateRange: z.object({
|
|
start: z.union([z.string(), z.number()]).optional(),
|
|
end: z.union([z.string(), z.number()]).optional()
|
|
}).optional().describe('Filter by date range'),
|
|
limit: z.number().min(1).max(100).default(20).describe('Maximum results. IMPORTANT: Start with 3-5 to avoid exceeding MCP token limits, even in index mode.'),
|
|
offset: z.number().min(0).default(0).describe('Number of results to skip'),
|
|
orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { filePath, format = 'index', ...filters } = args;
|
|
let observations: ObservationSearchResult[] = [];
|
|
let sessions: SessionSummarySearchResult[] = [];
|
|
|
|
// Metadata-first, semantic-enhanced search for observations
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using metadata-first + semantic ranking for file search');
|
|
|
|
// Step 1: SQLite metadata filter (get all results with this file)
|
|
const metadataResults = search.findByFile(filePath, filters);
|
|
console.error(`[search-server] Found ${metadataResults.observations.length} observations, ${metadataResults.sessions.length} sessions for file "${filePath}"`);
|
|
|
|
// Sessions: Keep as-is (already summarized, no semantic ranking needed)
|
|
sessions = metadataResults.sessions;
|
|
|
|
// Observations: Apply semantic ranking
|
|
if (metadataResults.observations.length > 0) {
|
|
// Step 2: Chroma semantic ranking (rank by relevance to file path)
|
|
const ids = metadataResults.observations.map(obs => obs.id);
|
|
const chromaResults = await queryChroma(filePath, Math.min(ids.length, 100));
|
|
|
|
// Intersect: Keep only IDs that passed metadata filter, in semantic rank order
|
|
const rankedIds: number[] = [];
|
|
for (const chromaId of chromaResults.ids) {
|
|
if (ids.includes(chromaId) && !rankedIds.includes(chromaId)) {
|
|
rankedIds.push(chromaId);
|
|
}
|
|
}
|
|
|
|
console.error(`[search-server] Chroma ranked ${rankedIds.length} observations by semantic relevance`);
|
|
|
|
// Step 3: Hydrate in semantic rank order
|
|
if (rankedIds.length > 0) {
|
|
observations = store.getObservationsByIds(rankedIds, { limit: filters.limit || 20 });
|
|
// Restore semantic ranking order
|
|
observations.sort((a, b) => rankedIds.indexOf(a.id) - rankedIds.indexOf(b.id));
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma ranking failed, using SQLite order:', chromaError.message);
|
|
// Fall through to SQLite fallback
|
|
}
|
|
}
|
|
|
|
// Fall back to SQLite-only if Chroma unavailable or failed
|
|
if (observations.length === 0 && sessions.length === 0) {
|
|
console.error('[search-server] Using SQLite-only file search');
|
|
const results = search.findByFile(filePath, filters);
|
|
observations = results.observations;
|
|
sessions = results.sessions;
|
|
}
|
|
|
|
const totalResults = observations.length + sessions.length;
|
|
|
|
if (totalResults === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No results found for file "${filePath}"`
|
|
}]
|
|
};
|
|
}
|
|
|
|
let combinedText: string;
|
|
if (format === 'index') {
|
|
const header = `Found ${totalResults} result(s) for file "${filePath}":\n\n`;
|
|
const formattedResults: string[] = [];
|
|
|
|
// Add observations
|
|
observations.forEach((obs, i) => {
|
|
formattedResults.push(formatObservationIndex(obs, i));
|
|
});
|
|
|
|
// Add sessions
|
|
sessions.forEach((session, i) => {
|
|
formattedResults.push(formatSessionIndex(session, i + observations.length));
|
|
});
|
|
|
|
combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
|
|
} else {
|
|
const formattedResults: string[] = [];
|
|
|
|
// Add observations
|
|
observations.forEach((obs) => {
|
|
formattedResults.push(formatObservationResult(obs));
|
|
});
|
|
|
|
// Add sessions
|
|
sessions.forEach((session) => {
|
|
formattedResults.push(formatSessionResult(session));
|
|
});
|
|
|
|
combinedText = formattedResults.join('\n\n---\n\n');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: combinedText
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Search failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'find_by_type',
|
|
description: 'Find observations of a specific type (decision, bugfix, feature, refactor, discovery, change). IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
|
|
inputSchema: z.object({
|
|
type: z.union([
|
|
z.enum(['decision', 'bugfix', 'feature', 'refactor', 'discovery', 'change']),
|
|
z.array(z.enum(['decision', 'bugfix', 'feature', 'refactor', 'discovery', 'change']))
|
|
]).describe('Observation type(s) to filter by'),
|
|
format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for titles/dates only (default, RECOMMENDED for initial search), "full" for complete details (use only after reviewing index results)'),
|
|
project: z.string().optional().describe('Filter by project name'),
|
|
dateRange: z.object({
|
|
start: z.union([z.string(), z.number()]).optional(),
|
|
end: z.union([z.string(), z.number()]).optional()
|
|
}).optional().describe('Filter by date range'),
|
|
limit: z.number().min(1).max(100).default(20).describe('Maximum results. IMPORTANT: Start with 3-5 to avoid exceeding MCP token limits, even in index mode.'),
|
|
offset: z.number().min(0).default(0).describe('Number of results to skip'),
|
|
orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { type, format = 'index', ...filters } = args;
|
|
const typeStr = Array.isArray(type) ? type.join(', ') : type;
|
|
let results: ObservationSearchResult[] = [];
|
|
|
|
// Metadata-first, semantic-enhanced search
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using metadata-first + semantic ranking for type search');
|
|
|
|
// Step 1: SQLite metadata filter (get all IDs with this type)
|
|
const metadataResults = search.findByType(type, filters);
|
|
console.error(`[search-server] Found ${metadataResults.length} observations with type "${typeStr}"`);
|
|
|
|
if (metadataResults.length > 0) {
|
|
// Step 2: Chroma semantic ranking (rank by relevance to type)
|
|
const ids = metadataResults.map(obs => obs.id);
|
|
const chromaResults = await queryChroma(typeStr, Math.min(ids.length, 100));
|
|
|
|
// Intersect: Keep only IDs that passed metadata filter, in semantic rank order
|
|
const rankedIds: number[] = [];
|
|
for (const chromaId of chromaResults.ids) {
|
|
if (ids.includes(chromaId) && !rankedIds.includes(chromaId)) {
|
|
rankedIds.push(chromaId);
|
|
}
|
|
}
|
|
|
|
console.error(`[search-server] Chroma ranked ${rankedIds.length} results by semantic relevance`);
|
|
|
|
// Step 3: Hydrate in semantic rank order
|
|
if (rankedIds.length > 0) {
|
|
results = store.getObservationsByIds(rankedIds, { limit: filters.limit || 20 });
|
|
// Restore semantic ranking order
|
|
results.sort((a, b) => rankedIds.indexOf(a.id) - rankedIds.indexOf(b.id));
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma ranking failed, using SQLite order:', chromaError.message);
|
|
// Fall through to SQLite fallback
|
|
}
|
|
}
|
|
|
|
// Fall back to SQLite-only if Chroma unavailable or failed
|
|
if (results.length === 0) {
|
|
console.error('[search-server] Using SQLite-only type search');
|
|
results = search.findByType(type, filters);
|
|
}
|
|
|
|
if (results.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No observations found with type "${typeStr}"`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Format based on requested format
|
|
let combinedText: string;
|
|
if (format === 'index') {
|
|
const header = `Found ${results.length} observation(s) with type "${typeStr}":\n\n`;
|
|
const formattedResults = results.map((obs, i) => formatObservationIndex(obs, i));
|
|
combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
|
|
} else {
|
|
const formattedResults = results.map((obs) => formatObservationResult(obs));
|
|
combinedText = formattedResults.join('\n\n---\n\n');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: combinedText
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Search failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'get_recent_context',
|
|
description: 'Get recent session context including summaries and observations for a project',
|
|
inputSchema: z.object({
|
|
project: z.string().optional().describe('Project name (defaults to current working directory basename)'),
|
|
limit: z.number().min(1).max(10).default(3).describe('Number of recent sessions to retrieve')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const project = args.project || basename(process.cwd());
|
|
const limit = args.limit || 3;
|
|
|
|
const sessions = store.getRecentSessionsWithStatus(project, limit);
|
|
|
|
if (sessions.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `# Recent Session Context\n\nNo previous sessions found for project "${project}".`
|
|
}]
|
|
};
|
|
}
|
|
|
|
const lines: string[] = [];
|
|
lines.push('# Recent Session Context');
|
|
lines.push('');
|
|
lines.push(`Showing last ${sessions.length} session(s) for **${project}**:`);
|
|
lines.push('');
|
|
|
|
for (const session of sessions) {
|
|
if (!session.sdk_session_id) continue;
|
|
|
|
lines.push('---');
|
|
lines.push('');
|
|
|
|
if (session.has_summary) {
|
|
const summary = store.getSummaryForSession(session.sdk_session_id);
|
|
if (summary) {
|
|
const promptLabel = summary.prompt_number ? ` (Prompt #${summary.prompt_number})` : '';
|
|
lines.push(`**Summary${promptLabel}**`);
|
|
lines.push('');
|
|
|
|
if (summary.request) lines.push(`**Request:** ${summary.request}`);
|
|
if (summary.completed) lines.push(`**Completed:** ${summary.completed}`);
|
|
if (summary.learned) lines.push(`**Learned:** ${summary.learned}`);
|
|
if (summary.next_steps) lines.push(`**Next Steps:** ${summary.next_steps}`);
|
|
|
|
// Handle files_read
|
|
if (summary.files_read) {
|
|
try {
|
|
const filesRead = JSON.parse(summary.files_read);
|
|
if (Array.isArray(filesRead) && filesRead.length > 0) {
|
|
lines.push(`**Files Read:** ${filesRead.join(', ')}`);
|
|
}
|
|
} catch {
|
|
if (summary.files_read.trim()) {
|
|
lines.push(`**Files Read:** ${summary.files_read}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Handle files_edited
|
|
if (summary.files_edited) {
|
|
try {
|
|
const filesEdited = JSON.parse(summary.files_edited);
|
|
if (Array.isArray(filesEdited) && filesEdited.length > 0) {
|
|
lines.push(`**Files Edited:** ${filesEdited.join(', ')}`);
|
|
}
|
|
} catch {
|
|
if (summary.files_edited.trim()) {
|
|
lines.push(`**Files Edited:** ${summary.files_edited}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
const date = new Date(summary.created_at).toLocaleString();
|
|
lines.push(`**Date:** ${date}`);
|
|
}
|
|
} else if (session.status === 'active') {
|
|
lines.push('**In Progress**');
|
|
lines.push('');
|
|
|
|
if (session.user_prompt) {
|
|
lines.push(`**Request:** ${session.user_prompt}`);
|
|
}
|
|
|
|
const observations = store.getObservationsForSession(session.sdk_session_id);
|
|
if (observations.length > 0) {
|
|
lines.push('');
|
|
lines.push(`**Observations (${observations.length}):**`);
|
|
for (const obs of observations) {
|
|
lines.push(`- ${obs.title}`);
|
|
}
|
|
} else {
|
|
lines.push('');
|
|
lines.push('*No observations yet*');
|
|
}
|
|
|
|
lines.push('');
|
|
lines.push('**Status:** Active - summary pending');
|
|
|
|
const date = new Date(session.started_at).toLocaleString();
|
|
lines.push(`**Date:** ${date}`);
|
|
} else {
|
|
lines.push(`**${session.status.charAt(0).toUpperCase() + session.status.slice(1)}**`);
|
|
lines.push('');
|
|
|
|
if (session.user_prompt) {
|
|
lines.push(`**Request:** ${session.user_prompt}`);
|
|
}
|
|
|
|
lines.push('');
|
|
lines.push(`**Status:** ${session.status} - no summary available`);
|
|
|
|
const date = new Date(session.started_at).toLocaleString();
|
|
lines.push(`**Date:** ${date}`);
|
|
}
|
|
|
|
lines.push('');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: lines.join('\n')
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Failed to get recent context: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'search_user_prompts',
|
|
description: 'Search raw user prompts using hybrid semantic + full-text search (ChromaDB primary, SQLite FTS5 fallback). Use this to find what the user actually said/requested across all sessions. IMPORTANT: Always use index format first (default) to get an overview with minimal token usage, then use format: "full" only for specific items of interest.',
|
|
inputSchema: z.object({
|
|
query: z.string().describe('Natural language search query (semantic ranking via ChromaDB, FTS5 fallback)'),
|
|
format: z.enum(['index', 'full']).default('index').describe('Output format: "index" for truncated prompts/dates (default, RECOMMENDED for initial search), "full" for complete prompt text (use only after reviewing index results)'),
|
|
project: z.string().optional().describe('Filter by project name'),
|
|
dateRange: z.object({
|
|
start: z.union([z.string(), z.number()]).optional(),
|
|
end: z.union([z.string(), z.number()]).optional()
|
|
}).optional().describe('Filter by date range'),
|
|
limit: z.number().min(1).max(100).default(20).describe('Maximum number of results'),
|
|
offset: z.number().min(0).default(0).describe('Number of results to skip'),
|
|
orderBy: z.enum(['relevance', 'date_desc', 'date_asc']).default('date_desc').describe('Sort order')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { query, format = 'index', ...options } = args;
|
|
let results: UserPromptSearchResult[] = [];
|
|
|
|
// Hybrid search: Try Chroma semantic search first, fall back to FTS5
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using hybrid semantic search for user prompts');
|
|
|
|
// Step 1: Chroma semantic search (top 100)
|
|
const chromaResults = await queryChroma(query, 100, { doc_type: 'user_prompt' });
|
|
console.error(`[search-server] Chroma returned ${chromaResults.ids.length} semantic matches`);
|
|
|
|
if (chromaResults.ids.length > 0) {
|
|
// Step 2: Filter by recency (90 days)
|
|
const ninetyDaysAgo = Date.now() - (90 * 24 * 60 * 60 * 1000);
|
|
const recentIds = chromaResults.ids.filter((_id, idx) => {
|
|
const meta = chromaResults.metadatas[idx];
|
|
return meta && meta.created_at_epoch > ninetyDaysAgo;
|
|
});
|
|
|
|
console.error(`[search-server] ${recentIds.length} results within 90-day window`);
|
|
|
|
// Step 3: Hydrate from SQLite in temporal order
|
|
if (recentIds.length > 0) {
|
|
const limit = options.limit || 20;
|
|
results = store.getUserPromptsByIds(recentIds, { orderBy: 'date_desc', limit });
|
|
console.error(`[search-server] Hydrated ${results.length} user prompts from SQLite`);
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma query failed, falling back to FTS5:', chromaError.message);
|
|
}
|
|
}
|
|
|
|
// Fall back to FTS5 if Chroma unavailable or returned no results
|
|
if (results.length === 0) {
|
|
console.error('[search-server] Using FTS5 keyword search');
|
|
results = search.searchUserPrompts(query, options);
|
|
}
|
|
|
|
if (results.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No user prompts found matching "${query}"`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Format based on requested format
|
|
let combinedText: string;
|
|
if (format === 'index') {
|
|
const header = `Found ${results.length} user prompt(s) matching "${query}":\n\n`;
|
|
const formattedResults = results.map((prompt, i) => formatUserPromptIndex(prompt, i));
|
|
combinedText = header + formattedResults.join('\n\n') + formatSearchTips();
|
|
} else {
|
|
const formattedResults = results.map((prompt) => formatUserPromptResult(prompt));
|
|
combinedText = formattedResults.join('\n\n---\n\n');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: combinedText
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Search failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'get_context_timeline',
|
|
description: 'Get a unified timeline of context (observations, sessions, and prompts) around a specific point in time. All record types are interleaved chronologically. Useful for understanding "what was happening when X occurred". Returns depth_before records before anchor + anchor + depth_after records after (total: depth_before + 1 + depth_after mixed records).',
|
|
inputSchema: z.object({
|
|
anchor: z.union([
|
|
z.number().describe('Observation ID to center timeline around'),
|
|
z.string().describe('Session ID (format: S123) or ISO timestamp to center timeline around')
|
|
]).describe('Anchor point: observation ID, session ID (e.g., "S123"), or ISO timestamp'),
|
|
depth_before: z.number().min(0).max(50).default(10).describe('Number of records to retrieve before anchor, not including anchor (default: 10)'),
|
|
depth_after: z.number().min(0).max(50).default(10).describe('Number of records to retrieve after anchor, not including anchor (default: 10)'),
|
|
project: z.string().optional().describe('Filter by project name')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { anchor, depth_before = 10, depth_after = 10, project } = args;
|
|
let anchorEpoch: number;
|
|
let anchorId: string | number = anchor;
|
|
|
|
// Resolve anchor and get timeline data
|
|
let timeline;
|
|
if (typeof anchor === 'number') {
|
|
// Observation ID - use ID-based boundary detection
|
|
const obs = store.getObservationById(anchor);
|
|
if (!obs) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Observation #${anchor} not found`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
anchorEpoch = obs.created_at_epoch;
|
|
timeline = store.getTimelineAroundObservation(anchor, anchorEpoch, depth_before, depth_after, project);
|
|
} else if (typeof anchor === 'string') {
|
|
// Session ID or ISO timestamp
|
|
if (anchor.startsWith('S') || anchor.startsWith('#S')) {
|
|
const sessionId = anchor.replace(/^#?S/, '');
|
|
const sessionNum = parseInt(sessionId, 10);
|
|
const sessions = store.getSessionSummariesByIds([sessionNum]);
|
|
if (sessions.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Session #${sessionNum} not found`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
anchorEpoch = sessions[0].created_at_epoch;
|
|
anchorId = `S${sessionNum}`;
|
|
timeline = store.getTimelineAroundTimestamp(anchorEpoch, depth_before, depth_after, project);
|
|
} else {
|
|
// ISO timestamp
|
|
const date = new Date(anchor);
|
|
if (isNaN(date.getTime())) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Invalid timestamp: ${anchor}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
anchorEpoch = date.getTime(); // Keep as milliseconds
|
|
timeline = store.getTimelineAroundTimestamp(anchorEpoch, depth_before, depth_after, project);
|
|
}
|
|
} else {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: 'Invalid anchor: must be observation ID (number), session ID (e.g., "S123"), or ISO timestamp'
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
|
|
// Combine and sort all items chronologically
|
|
interface TimelineItem {
|
|
type: 'observation' | 'session' | 'prompt';
|
|
data: any;
|
|
epoch: number;
|
|
}
|
|
|
|
const items: TimelineItem[] = [
|
|
...timeline.observations.map(obs => ({ type: 'observation' as const, data: obs, epoch: obs.created_at_epoch })),
|
|
...timeline.sessions.map(sess => ({ type: 'session' as const, data: sess, epoch: sess.created_at_epoch })),
|
|
...timeline.prompts.map(prompt => ({ type: 'prompt' as const, data: prompt, epoch: prompt.created_at_epoch }))
|
|
];
|
|
|
|
items.sort((a, b) => a.epoch - b.epoch);
|
|
|
|
if (items.length === 0) {
|
|
const anchorDate = new Date(anchorEpoch).toLocaleString();
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No context found around ${anchorDate} (${depth_before} records before, ${depth_after} records after)`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Helper functions matching context-hook.ts
|
|
function formatDate(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
month: 'short',
|
|
day: 'numeric',
|
|
year: 'numeric'
|
|
});
|
|
}
|
|
|
|
function formatTime(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
hour: 'numeric',
|
|
minute: '2-digit',
|
|
hour12: true
|
|
});
|
|
}
|
|
|
|
function formatDateTime(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
month: 'short',
|
|
day: 'numeric',
|
|
hour: 'numeric',
|
|
minute: '2-digit',
|
|
hour12: true
|
|
});
|
|
}
|
|
|
|
function estimateTokens(text: string | null): number {
|
|
if (!text) return 0;
|
|
return Math.ceil(text.length / 4);
|
|
}
|
|
|
|
// Format results matching context-hook.ts exactly
|
|
const lines: string[] = [];
|
|
|
|
// Header
|
|
lines.push(`# Timeline around anchor: ${anchorId}`);
|
|
lines.push(`**Window:** ${depth_before} records before → ${depth_after} records after | **Items:** ${items.length} (${timeline.observations.length} obs, ${timeline.sessions.length} sessions, ${timeline.prompts.length} prompts)`);
|
|
lines.push('');
|
|
|
|
// Legend
|
|
lines.push(`**Legend:** 🎯 session-request | 🔴 bugfix | 🟣 feature | 🔄 refactor | ✅ change | 🔵 discovery | 🧠 decision`);
|
|
lines.push('');
|
|
|
|
// Group by day
|
|
const dayMap = new Map<string, TimelineItem[]>();
|
|
for (const item of items) {
|
|
const day = formatDate(item.epoch);
|
|
if (!dayMap.has(day)) {
|
|
dayMap.set(day, []);
|
|
}
|
|
dayMap.get(day)!.push(item);
|
|
}
|
|
|
|
// Sort days chronologically
|
|
const sortedDays = Array.from(dayMap.entries()).sort((a, b) => {
|
|
const aDate = new Date(a[0]).getTime();
|
|
const bDate = new Date(b[0]).getTime();
|
|
return aDate - bDate;
|
|
});
|
|
|
|
// Render each day
|
|
for (const [day, dayItems] of sortedDays) {
|
|
lines.push(`### ${day}`);
|
|
lines.push('');
|
|
|
|
let currentFile: string | null = null;
|
|
let lastTime = '';
|
|
let tableOpen = false;
|
|
|
|
for (const item of dayItems) {
|
|
const isAnchor = (
|
|
(typeof anchorId === 'number' && item.type === 'observation' && item.data.id === anchorId) ||
|
|
(typeof anchorId === 'string' && anchorId.startsWith('S') && item.type === 'session' && `S${item.data.id}` === anchorId)
|
|
);
|
|
|
|
if (item.type === 'session') {
|
|
// Close any open table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
tableOpen = false;
|
|
currentFile = null;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Render session
|
|
const sess = item.data;
|
|
const title = sess.request || 'Session summary';
|
|
const link = `claude-mem://session-summary/${sess.id}`;
|
|
const marker = isAnchor ? ' ← **ANCHOR**' : '';
|
|
|
|
lines.push(`**🎯 #S${sess.id}** ${title} (${formatDateTime(item.epoch)}) [→](${link})${marker}`);
|
|
lines.push('');
|
|
} else if (item.type === 'prompt') {
|
|
// Close any open table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
tableOpen = false;
|
|
currentFile = null;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Render prompt
|
|
const prompt = item.data;
|
|
const truncated = prompt.prompt.length > 100 ? prompt.prompt.substring(0, 100) + '...' : prompt.prompt;
|
|
|
|
lines.push(`**💬 User Prompt #${prompt.prompt_number}** (${formatDateTime(item.epoch)})`);
|
|
lines.push(`> ${truncated}`);
|
|
lines.push('');
|
|
} else if (item.type === 'observation') {
|
|
// Render observation in table
|
|
const obs = item.data;
|
|
const file = 'General'; // Simplified for timeline view
|
|
|
|
// Check if we need a new file section
|
|
if (file !== currentFile) {
|
|
// Close previous table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
}
|
|
|
|
// File header
|
|
lines.push(`**${file}**`);
|
|
lines.push(`| ID | Time | T | Title | Tokens |`);
|
|
lines.push(`|----|------|---|-------|--------|`);
|
|
|
|
currentFile = file;
|
|
tableOpen = true;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Map observation type to emoji
|
|
let icon = '•';
|
|
switch (obs.type) {
|
|
case 'bugfix': icon = '🔴'; break;
|
|
case 'feature': icon = '🟣'; break;
|
|
case 'refactor': icon = '🔄'; break;
|
|
case 'change': icon = '✅'; break;
|
|
case 'discovery': icon = '🔵'; break;
|
|
case 'decision': icon = '🧠'; break;
|
|
}
|
|
|
|
const time = formatTime(item.epoch);
|
|
const title = obs.title || 'Untitled';
|
|
const tokens = estimateTokens(obs.narrative);
|
|
|
|
const showTime = time !== lastTime;
|
|
const timeDisplay = showTime ? time : '″';
|
|
lastTime = time;
|
|
|
|
const anchorMarker = isAnchor ? ' ← **ANCHOR**' : '';
|
|
lines.push(`| #${obs.id} | ${timeDisplay} | ${icon} | ${title}${anchorMarker} | ~${tokens} |`);
|
|
}
|
|
}
|
|
|
|
// Close final table if open
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
}
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: lines.join('\n')
|
|
}]
|
|
};
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Timeline query failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
},
|
|
{
|
|
name: 'get_timeline_by_query',
|
|
description: 'Search for observations using natural language and get timeline context around the best match. Two modes: "auto" (default) automatically uses top result as timeline anchor; "interactive" returns top matches for you to choose from. This combines search + timeline into a single operation for faster context discovery.',
|
|
inputSchema: z.object({
|
|
query: z.string().describe('Natural language search query to find relevant observations'),
|
|
mode: z.enum(['auto', 'interactive']).default('auto').describe('auto: Automatically use top search result as timeline anchor. interactive: Show top N search results for manual anchor selection.'),
|
|
depth_before: z.number().min(0).max(50).default(10).describe('Number of timeline records before anchor (default: 10)'),
|
|
depth_after: z.number().min(0).max(50).default(10).describe('Number of timeline records after anchor (default: 10)'),
|
|
limit: z.number().min(1).max(20).default(5).describe('For interactive mode: number of top search results to display (default: 5)'),
|
|
project: z.string().optional().describe('Filter by project name')
|
|
}),
|
|
handler: async (args: any) => {
|
|
try {
|
|
const { query, mode = 'auto', depth_before = 10, depth_after = 10, limit = 5, project } = args;
|
|
|
|
// Step 1: Search for observations
|
|
let results: ObservationSearchResult[] = [];
|
|
|
|
// Use hybrid search if available
|
|
if (chromaClient) {
|
|
try {
|
|
console.error('[search-server] Using hybrid semantic search for timeline query');
|
|
const chromaResults = await queryChroma(query, 100);
|
|
console.error(`[search-server] Chroma returned ${chromaResults.ids.length} semantic matches`);
|
|
|
|
if (chromaResults.ids.length > 0) {
|
|
// Filter by recency (90 days)
|
|
const ninetyDaysAgo = Date.now() - (90 * 24 * 60 * 60 * 1000);
|
|
const recentIds = chromaResults.ids.filter((_id, idx) => {
|
|
const meta = chromaResults.metadatas[idx];
|
|
return meta && meta.created_at_epoch > ninetyDaysAgo;
|
|
});
|
|
|
|
console.error(`[search-server] ${recentIds.length} results within 90-day window`);
|
|
|
|
if (recentIds.length > 0) {
|
|
results = store.getObservationsByIds(recentIds, { orderBy: 'date_desc', limit: mode === 'auto' ? 1 : limit });
|
|
console.error(`[search-server] Hydrated ${results.length} observations from SQLite`);
|
|
}
|
|
}
|
|
} catch (chromaError: any) {
|
|
console.error('[search-server] Chroma query failed, falling back to FTS5:', chromaError.message);
|
|
}
|
|
}
|
|
|
|
// Fall back to FTS5
|
|
if (results.length === 0) {
|
|
console.error('[search-server] Using FTS5 keyword search');
|
|
results = search.searchObservations(query, {
|
|
orderBy: 'relevance',
|
|
limit: mode === 'auto' ? 1 : limit,
|
|
project
|
|
});
|
|
}
|
|
|
|
if (results.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `No observations found matching "${query}". Try a different search query.`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Step 2: Handle based on mode
|
|
if (mode === 'interactive') {
|
|
// Return formatted index of top results for LLM to choose from
|
|
const lines: string[] = [];
|
|
lines.push(`# Timeline Anchor Search Results`);
|
|
lines.push('');
|
|
lines.push(`Found ${results.length} observation(s) matching "${query}"`);
|
|
lines.push('');
|
|
lines.push(`To get timeline context around any of these observations, use the \`get_context_timeline\` tool with the observation ID as the anchor.`);
|
|
lines.push('');
|
|
lines.push(`**Top ${results.length} matches:**`);
|
|
lines.push('');
|
|
|
|
for (let i = 0; i < results.length; i++) {
|
|
const obs = results[i];
|
|
const title = obs.title || `Observation #${obs.id}`;
|
|
const date = new Date(obs.created_at_epoch).toLocaleString();
|
|
const type = obs.type ? `[${obs.type}]` : '';
|
|
|
|
lines.push(`${i + 1}. **${type} ${title}**`);
|
|
lines.push(` - ID: ${obs.id}`);
|
|
lines.push(` - Date: ${date}`);
|
|
if (obs.subtitle) {
|
|
lines.push(` - ${obs.subtitle}`);
|
|
}
|
|
lines.push(` - Source: claude-mem://observation/${obs.id}`);
|
|
lines.push('');
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: lines.join('\n')
|
|
}]
|
|
};
|
|
} else {
|
|
// Auto mode: Use top result as timeline anchor
|
|
const topResult = results[0];
|
|
console.error(`[search-server] Auto mode: Using observation #${topResult.id} as timeline anchor`);
|
|
|
|
// Get timeline around this observation
|
|
const timeline = store.getTimelineAroundObservation(
|
|
topResult.id,
|
|
topResult.created_at_epoch,
|
|
depth_before,
|
|
depth_after,
|
|
project
|
|
);
|
|
|
|
// Combine and sort all items chronologically (same logic as get_context_timeline)
|
|
interface TimelineItem {
|
|
type: 'observation' | 'session' | 'prompt';
|
|
data: any;
|
|
epoch: number;
|
|
}
|
|
|
|
const items: TimelineItem[] = [
|
|
...timeline.observations.map(obs => ({ type: 'observation' as const, data: obs, epoch: obs.created_at_epoch })),
|
|
...timeline.sessions.map(sess => ({ type: 'session' as const, data: sess, epoch: sess.created_at_epoch })),
|
|
...timeline.prompts.map(prompt => ({ type: 'prompt' as const, data: prompt, epoch: prompt.created_at_epoch }))
|
|
];
|
|
|
|
items.sort((a, b) => a.epoch - b.epoch);
|
|
|
|
if (items.length === 0) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Found observation #${topResult.id} matching "${query}", but no timeline context available (${depth_before} records before, ${depth_after} records after).`
|
|
}]
|
|
};
|
|
}
|
|
|
|
// Helper functions (reused from get_context_timeline)
|
|
function formatDate(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
month: 'short',
|
|
day: 'numeric',
|
|
year: 'numeric'
|
|
});
|
|
}
|
|
|
|
function formatTime(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
hour: 'numeric',
|
|
minute: '2-digit',
|
|
hour12: true
|
|
});
|
|
}
|
|
|
|
function formatDateTime(epochMs: number): string {
|
|
const date = new Date(epochMs);
|
|
return date.toLocaleString('en-US', {
|
|
month: 'short',
|
|
day: 'numeric',
|
|
hour: 'numeric',
|
|
minute: '2-digit',
|
|
hour12: true
|
|
});
|
|
}
|
|
|
|
function estimateTokens(text: string | null): number {
|
|
if (!text) return 0;
|
|
return Math.ceil(text.length / 4);
|
|
}
|
|
|
|
// Format timeline (reused from get_context_timeline)
|
|
const lines: string[] = [];
|
|
|
|
// Header
|
|
lines.push(`# Timeline for query: "${query}"`);
|
|
lines.push(`**Anchor:** Observation #${topResult.id} - ${topResult.title || 'Untitled'}`);
|
|
lines.push(`**Window:** ${depth_before} records before → ${depth_after} records after | **Items:** ${items.length} (${timeline.observations.length} obs, ${timeline.sessions.length} sessions, ${timeline.prompts.length} prompts)`);
|
|
lines.push('');
|
|
|
|
// Legend
|
|
lines.push(`**Legend:** 🎯 session-request | 🔴 bugfix | 🟣 feature | 🔄 refactor | ✅ change | 🔵 discovery | 🧠 decision`);
|
|
lines.push('');
|
|
|
|
// Group by day
|
|
const dayMap = new Map<string, TimelineItem[]>();
|
|
for (const item of items) {
|
|
const day = formatDate(item.epoch);
|
|
if (!dayMap.has(day)) {
|
|
dayMap.set(day, []);
|
|
}
|
|
dayMap.get(day)!.push(item);
|
|
}
|
|
|
|
// Sort days chronologically
|
|
const sortedDays = Array.from(dayMap.entries()).sort((a, b) => {
|
|
const aDate = new Date(a[0]).getTime();
|
|
const bDate = new Date(b[0]).getTime();
|
|
return aDate - bDate;
|
|
});
|
|
|
|
// Render each day
|
|
for (const [day, dayItems] of sortedDays) {
|
|
lines.push(`### ${day}`);
|
|
lines.push('');
|
|
|
|
let currentFile: string | null = null;
|
|
let lastTime = '';
|
|
let tableOpen = false;
|
|
|
|
for (const item of dayItems) {
|
|
const isAnchor = (item.type === 'observation' && item.data.id === topResult.id);
|
|
|
|
if (item.type === 'session') {
|
|
// Close any open table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
tableOpen = false;
|
|
currentFile = null;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Render session
|
|
const sess = item.data;
|
|
const title = sess.request || 'Session summary';
|
|
const link = `claude-mem://session-summary/${sess.id}`;
|
|
|
|
lines.push(`**🎯 #S${sess.id}** ${title} (${formatDateTime(item.epoch)}) [→](${link})`);
|
|
lines.push('');
|
|
} else if (item.type === 'prompt') {
|
|
// Close any open table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
tableOpen = false;
|
|
currentFile = null;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Render prompt
|
|
const prompt = item.data;
|
|
const truncated = prompt.prompt.length > 100 ? prompt.prompt.substring(0, 100) + '...' : prompt.prompt;
|
|
|
|
lines.push(`**💬 User Prompt #${prompt.prompt_number}** (${formatDateTime(item.epoch)})`);
|
|
lines.push(`> ${truncated}`);
|
|
lines.push('');
|
|
} else if (item.type === 'observation') {
|
|
// Render observation in table
|
|
const obs = item.data;
|
|
const file = 'General'; // Simplified for timeline view
|
|
|
|
// Check if we need a new file section
|
|
if (file !== currentFile) {
|
|
// Close previous table
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
}
|
|
|
|
// File header
|
|
lines.push(`**${file}**`);
|
|
lines.push(`| ID | Time | T | Title | Tokens |`);
|
|
lines.push(`|----|------|---|-------|--------|`);
|
|
|
|
currentFile = file;
|
|
tableOpen = true;
|
|
lastTime = '';
|
|
}
|
|
|
|
// Map observation type to emoji
|
|
let icon = '•';
|
|
switch (obs.type) {
|
|
case 'bugfix': icon = '🔴'; break;
|
|
case 'feature': icon = '🟣'; break;
|
|
case 'refactor': icon = '🔄'; break;
|
|
case 'change': icon = '✅'; break;
|
|
case 'discovery': icon = '🔵'; break;
|
|
case 'decision': icon = '🧠'; break;
|
|
}
|
|
|
|
const time = formatTime(item.epoch);
|
|
const title = obs.title || 'Untitled';
|
|
const tokens = estimateTokens(obs.narrative);
|
|
|
|
const showTime = time !== lastTime;
|
|
const timeDisplay = showTime ? time : '″';
|
|
lastTime = time;
|
|
|
|
const anchorMarker = isAnchor ? ' ← **ANCHOR**' : '';
|
|
lines.push(`| #${obs.id} | ${timeDisplay} | ${icon} | ${title}${anchorMarker} | ~${tokens} |`);
|
|
}
|
|
}
|
|
|
|
// Close final table if open
|
|
if (tableOpen) {
|
|
lines.push('');
|
|
}
|
|
}
|
|
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: lines.join('\n')
|
|
}]
|
|
};
|
|
}
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Timeline query failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
}
|
|
}
|
|
];
|
|
|
|
/**
|
|
* Create and start the MCP server
|
|
*/
|
|
const server = new Server(
|
|
{
|
|
name: 'claude-mem-search',
|
|
version: '1.0.0',
|
|
},
|
|
{
|
|
capabilities: {
|
|
tools: {},
|
|
},
|
|
}
|
|
);
|
|
|
|
// Register tools/list handler
|
|
server.setRequestHandler(ListToolsRequestSchema, async () => {
|
|
return {
|
|
tools: tools.map(tool => ({
|
|
name: tool.name,
|
|
description: tool.description,
|
|
inputSchema: zodToJsonSchema(tool.inputSchema) as any
|
|
}))
|
|
};
|
|
});
|
|
|
|
// Register tools/call handler
|
|
server.setRequestHandler(CallToolRequestSchema, async (request) => {
|
|
const tool = tools.find(t => t.name === request.params.name);
|
|
|
|
if (!tool) {
|
|
throw new Error(`Unknown tool: ${request.params.name}`);
|
|
}
|
|
|
|
try {
|
|
return await tool.handler(request.params.arguments || {});
|
|
} catch (error: any) {
|
|
return {
|
|
content: [{
|
|
type: 'text' as const,
|
|
text: `Tool execution failed: ${error.message}`
|
|
}],
|
|
isError: true
|
|
};
|
|
}
|
|
});
|
|
|
|
// Cleanup function to properly terminate all child processes
|
|
async function cleanup() {
|
|
console.error('[search-server] Shutting down...');
|
|
|
|
// Close Chroma client (terminates uvx/python processes)
|
|
if (chromaClient) {
|
|
try {
|
|
await chromaClient.close();
|
|
console.error('[search-server] Chroma client closed');
|
|
} catch (error: any) {
|
|
console.error('[search-server] Error closing Chroma client:', error.message);
|
|
}
|
|
}
|
|
|
|
// Close database connections
|
|
if (search) {
|
|
try {
|
|
search.close();
|
|
console.error('[search-server] SessionSearch closed');
|
|
} catch (error: any) {
|
|
console.error('[search-server] Error closing SessionSearch:', error.message);
|
|
}
|
|
}
|
|
|
|
if (store) {
|
|
try {
|
|
store.close();
|
|
console.error('[search-server] SessionStore closed');
|
|
} catch (error: any) {
|
|
console.error('[search-server] Error closing SessionStore:', error.message);
|
|
}
|
|
}
|
|
|
|
console.error('[search-server] Shutdown complete');
|
|
process.exit(0);
|
|
}
|
|
|
|
// Register cleanup handlers for graceful shutdown
|
|
process.on('SIGTERM', cleanup);
|
|
process.on('SIGINT', cleanup);
|
|
|
|
// Start the server
|
|
async function main() {
|
|
// Start the MCP server FIRST (critical - must start before blocking operations)
|
|
const transport = new StdioServerTransport();
|
|
await server.connect(transport);
|
|
console.error('[search-server] Claude-mem search server started');
|
|
|
|
// Initialize Chroma client in background (non-blocking)
|
|
setTimeout(async () => {
|
|
try {
|
|
console.error('[search-server] Initializing Chroma client...');
|
|
const chromaTransport = new StdioClientTransport({
|
|
command: 'uvx',
|
|
args: ['chroma-mcp', '--client-type', 'persistent', '--data-dir', VECTOR_DB_DIR],
|
|
stderr: 'ignore'
|
|
});
|
|
|
|
const client = new Client({
|
|
name: 'claude-mem-search-chroma-client',
|
|
version: '1.0.0'
|
|
}, {
|
|
capabilities: {}
|
|
});
|
|
|
|
await client.connect(chromaTransport);
|
|
chromaClient = client;
|
|
console.error('[search-server] Chroma client connected successfully');
|
|
} catch (error: any) {
|
|
console.error('[search-server] Failed to initialize Chroma client:', error.message);
|
|
console.error('[search-server] Falling back to FTS5-only search');
|
|
chromaClient = null;
|
|
}
|
|
}, 0);
|
|
}
|
|
|
|
main().catch((error) => {
|
|
console.error('[search-server] Fatal error:', error);
|
|
process.exit(1);
|
|
});
|