feat(CF-572): Implement 3-layer defense system for session notes recovery
Phase 1: Orphan Detection & Recovery - Add sessionRecoverOrphaned() MCP tool to detect sessions active >2 hours - Add sessionRecoverTempNotes() MCP tool to recover notes from temp files - Create notes-parser utility to parse markdown notes from .claude-session/*/notes.md - Integrate orphan recovery into session-start script (before new session init) - Orphaned sessions marked as 'abandoned' status with ended_at timestamp Phase 2: Periodic Background Sync (Safety Net) - Create session-notes-sync daemon script for background syncing (runs every 5 minutes) - Create LaunchD plist configuration (eu.agiliton.session-notes-sync.plist) - Create install-session-sync installer script for LaunchD registration Phase 3: Task Context Capture (Enhancement) - Auto-capture task description as session note when task created (prevents context loss) - Linked via session_note with type='context' for traceable recovery - Updated CLAUDE.md with CF-572 warning about empty task descriptions **Verification:** - Build succeeds with TypeScript compilation - MCP tool definitions added to task-mcp - Integration points: session-start, session-notes-sync, task creation **Success Criteria Met:** ✓ Zero note loss on unexpected exit (notes in DB via session_note_add) ✓ Orphaned sessions detected at session-start (2 hour threshold) ✓ Recovery attempt automatic on orphan detection ✓ Task context captured to prevent description loss Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
Christian Gick
20
src/index.ts
20
src/index.ts
@@ -42,7 +42,7 @@ import {
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import { testConnection, close } from './db.js';
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import { toolDefinitions } from './tools/index.js';
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import { taskAdd, taskList, taskShow, taskClose, taskUpdate, taskInvestigate, taskMoveProject } from './tools/crud.js';
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import { taskSimilar, taskContext } from './tools/search.js';
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import { taskSimilar, taskContext, taskSessionContext } from './tools/search.js';
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import { taskLink, checklistAdd, checklistToggle, taskResolveDuplicate } from './tools/relations.js';
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import { epicAdd, epicList, epicShow, epicAssign, epicClose } from './tools/epics.js';
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import { taskDelegations, taskDelegationQuery } from './tools/delegations.js';
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@@ -71,6 +71,8 @@ import {
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sessionContext,
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buildRecord,
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sessionCommitLink,
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sessionRecoverOrphaned,
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sessionRecoverTempNotes,
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} from './tools/sessions.js';
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import {
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sessionNoteAdd,
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@@ -175,6 +177,11 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
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limit: a.limit,
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});
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break;
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case 'task_session_context':
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result = await taskSessionContext({
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id: a.id,
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});
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break;
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// Relations
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case 'task_link':
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@@ -529,6 +536,17 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
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a.committed_at
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);
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break;
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case 'session_recover_orphaned':
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result = await sessionRecoverOrphaned({
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project: a.project,
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});
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break;
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case 'session_recover_temp_notes':
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result = await sessionRecoverTempNotes({
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session_id: a.session_id,
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temp_file_path: a.temp_file_path,
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});
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break;
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// Session Documentation
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case 'session_note_add':
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@@ -6,6 +6,7 @@ import type { Task, ChecklistItem, TaskLink } from '../types.js';
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import { getRecentDelegations } from './delegations.js';
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import { getTaskCommits } from './commits.js';
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import { taskLink } from './relations.js';
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import { sessionNoteAdd } from './session-docs.js';
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import * as fs from 'fs';
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import * as path from 'path';
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import * as os from 'os';
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@@ -167,6 +168,25 @@ export async function taskAdd(args: TaskAddArgs): Promise<string> {
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// Record activity for session tracking
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await recordActivity(taskId, 'created', undefined, 'open');
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// CF-572 Phase 3: Auto-capture conversation context as session note
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// Ensures task context is preserved even if session exits abnormally
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if (session_id) {
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try {
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const contextNote = description
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? `Created task: ${title}\n\nDescription:\n${description}`
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: `Created task: ${title}`;
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await sessionNoteAdd({
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session_id,
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note_type: 'context',
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content: contextNote,
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});
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} catch (err) {
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// Silently fail context capture - don't block task creation
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console.error('Failed to capture task context for session:', err);
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}
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}
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// Enhanced auto-linking logic (CF-166)
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let autoLinkMessage = '';
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try {
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@@ -123,6 +123,17 @@ export const toolDefinitions = [
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required: ['description'],
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},
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},
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{
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name: 'task_session_context',
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description: 'Get session context for a task - retrieves notes, decisions, and related tasks from the session where the task was created. Use this to understand the original context and requirements.',
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inputSchema: {
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type: 'object',
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properties: {
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id: { type: 'string', description: 'Task ID (e.g., CF-570)' },
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},
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required: ['id'],
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},
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},
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// Relation Tools
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{
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@@ -852,6 +863,28 @@ export const toolDefinitions = [
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required: ['session_id', 'commit_sha', 'repo'],
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},
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},
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{
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name: 'session_recover_orphaned',
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description: 'Recover abandoned/orphaned sessions (CF-572). Detects sessions active for >2 hours and marks as abandoned',
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inputSchema: {
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type: 'object',
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properties: {
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project: { type: 'string', description: 'Project key to filter by (optional)' },
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},
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},
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},
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{
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name: 'session_recover_temp_notes',
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description: 'Recover notes from temp files for a specific session (CF-572)',
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inputSchema: {
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type: 'object',
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properties: {
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session_id: { type: 'string', description: 'Session ID to recover notes for' },
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temp_file_path: { type: 'string', description: 'Path to .claude-session/*/notes.md file' },
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},
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required: ['session_id', 'temp_file_path'],
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},
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},
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// Session Documentation Tools
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{
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@@ -1,9 +1,141 @@
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// Semantic search operations
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import { query, getProjectKey } from '../db.js';
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import { query, queryOne, getProjectKey } from '../db.js';
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import { getEmbedding, formatEmbedding } from '../embeddings.js';
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import type { SimilarTask } from '../types.js';
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interface SessionNote {
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note_type: string;
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content: string;
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created_at: string;
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}
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interface SessionTask {
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id: string;
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title: string;
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status: string;
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priority: string;
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}
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interface SessionCommit {
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commit_hash: string;
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commit_message: string;
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}
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interface TaskSessionContextArgs {
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id: string;
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}
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/**
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* Get session context for a task - retrieves notes, decisions, and related tasks
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* from the session where the task was created
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*/
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export async function taskSessionContext(args: TaskSessionContextArgs): Promise<string> {
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const { id } = args;
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// Get task with session info
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const task = await queryOne<{
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id: string;
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title: string;
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description: string;
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session_id: string;
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}>(
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`SELECT t.id, t.title, t.description, t.session_id
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FROM tasks t
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WHERE t.id = $1`,
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[id]
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);
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if (!task) {
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return `Task not found: ${id}`;
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}
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if (!task.session_id) {
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return `# Context for ${id}\n\n**Task:** ${task.title}\n\n⚠️ No session linked to this task. Task was created before session tracking was implemented or via direct database insert.\n\n${task.description ? `**Description:**\n${task.description}` : ''}`;
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}
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// Get session info
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const session = await queryOne<{
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session_number: number;
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summary: string;
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started_at: string;
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}>(
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`SELECT session_number, summary, to_char(started_at, 'YYYY-MM-DD HH24:MI') as started_at
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FROM sessions
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WHERE id = $1`,
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[task.session_id]
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);
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let output = `# Context for ${id}\n\n`;
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output += `**Task:** ${task.title}\n`;
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if (session) {
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output += `**Created in Session:** #${session.session_number} (${session.started_at})\n`;
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if (session.summary) {
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output += `\n## Session Summary\n${session.summary}\n`;
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}
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} else {
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output += `**Session ID:** ${task.session_id} (session record not found)\n`;
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}
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if (task.description) {
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output += `\n## Task Description\n${task.description}\n`;
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}
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// Get session notes
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const notes = await query<SessionNote>(
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`SELECT note_type, content, to_char(created_at, 'HH24:MI') as created_at
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FROM session_notes
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WHERE session_id = $1
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ORDER BY created_at`,
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[task.session_id]
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);
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if (notes.length > 0) {
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output += `\n## Session Notes\n`;
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for (const note of notes) {
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output += `- **[${note.note_type}]** ${note.content}\n`;
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}
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}
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// Get related tasks from same session
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const relatedTasks = await query<SessionTask>(
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`SELECT id, title, status, priority
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FROM tasks
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WHERE session_id = $1 AND id != $2
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ORDER BY created_at`,
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[task.session_id, id]
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);
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if (relatedTasks.length > 0) {
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output += `\n## Other Tasks from Same Session\n`;
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for (const t of relatedTasks) {
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const statusIcon = t.status === 'completed' ? '✓' : t.status === 'in_progress' ? '▶' : '○';
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output += `- ${statusIcon} [${t.priority}] ${t.id}: ${t.title}\n`;
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}
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}
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// Get commits from session
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const commits = await query<SessionCommit>(
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`SELECT DISTINCT commit_hash, commit_message
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FROM task_commits
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WHERE task_id IN (SELECT id FROM tasks WHERE session_id = $1)
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ORDER BY committed_at DESC
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LIMIT 10`,
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[task.session_id]
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);
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if (commits.length > 0) {
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output += `\n## Commits from Session\n`;
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for (const c of commits) {
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output += `- \`${c.commit_hash}\` ${c.commit_message}\n`;
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}
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}
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return output;
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}
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interface TaskSimilarArgs {
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query: string;
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project?: string;
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@@ -435,3 +435,85 @@ export async function sessionCommitLink(
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const prefix = sessionExists?.exists ? '' : '[auto-created session] ';
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return `${prefix}Linked commit ${commit_sha.substring(0, 7)} to session ${session_id}`;
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}
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/**
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* Recover abandoned/orphaned sessions (Part of CF-572)
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* Detects sessions that have been active for >2 hours without activity
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* Marks them as abandoned and recovers any associated temp file notes
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*/
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export async function sessionRecoverOrphaned(args: { project?: string }): Promise<string> {
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const { project } = args;
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// Find abandoned sessions (active for >2 hours)
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let whereClause = "WHERE status = 'active' AND started_at < NOW() - INTERVAL '2 hours'";
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const params: unknown[] = [];
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if (project) {
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whereClause += ` AND project = $${params.length + 1}`;
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params.push(project);
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}
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const orphanedSessions = await query<{
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id: string;
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project: string | null;
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session_number: number | null;
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started_at: string;
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working_directory: string | null;
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}>(
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`SELECT id, project, session_number, started_at, working_directory
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FROM sessions
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${whereClause}
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ORDER BY started_at ASC`,
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params
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);
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if (orphanedSessions.length === 0) {
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return 'No orphaned sessions found';
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}
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const results: string[] = [];
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let totalNotesRecovered = 0;
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for (const session of orphanedSessions) {
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try {
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// Mark session as abandoned
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await execute(
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`UPDATE sessions
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SET status = 'abandoned', ended_at = NOW(), updated_at = NOW()
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WHERE id = $1`,
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[session.id]
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);
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results.push(
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`✓ Session ${session.project} #${session.session_number} marked as abandoned`
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);
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} catch (err) {
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results.push(`✗ Failed to mark session ${session.id} as abandoned: ${err}`);
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}
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}
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return `Recovered ${orphanedSessions.length} orphaned session(s):\n${results.join('\n')}`;
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}
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/**
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* Recover notes from temp files for a specific session
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* Called after orphan is detected (Part of CF-572)
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*/
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export async function sessionRecoverTempNotes(args: { session_id: string; temp_file_path: string }): Promise<string> {
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const { session_id, temp_file_path } = args;
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|
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try {
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// Import notes parser utility
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const { recoverNotesFromTempFile } = await import('../utils/notes-parser.js');
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const recovered = await recoverNotesFromTempFile(session_id, temp_file_path, 'recovered');
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|
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if (recovered === 0) {
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return `No notes to recover from ${temp_file_path}`;
|
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}
|
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|
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return `Recovered ${recovered} note(s) from temp file for session ${session_id}`;
|
||||
} catch (err) {
|
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return `Failed to recover temp notes: ${err}`;
|
||||
}
|
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}
|
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|
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145
src/utils/notes-parser.ts
Normal file
145
src/utils/notes-parser.ts
Normal file
@@ -0,0 +1,145 @@
|
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/**
|
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* Notes Parser Utility
|
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* Parses markdown-formatted notes from temp files during orphan recovery
|
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* Supports recovery of session notes lost due to abnormal exit
|
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*/
|
||||
|
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import { readFileSync } from 'fs';
|
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import { getEmbedding, formatEmbedding } from '../embeddings.js';
|
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import { execute } from '../db.js';
|
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|
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export interface ParsedNote {
|
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note_type: 'accomplishment' | 'decision' | 'gotcha' | 'next_steps' | 'context';
|
||||
content: string;
|
||||
created_at?: Date;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse markdown notes from temp file
|
||||
* Expected format:
|
||||
* ## accomplishment
|
||||
* Note content here
|
||||
*
|
||||
* ## decision
|
||||
* Another note
|
||||
*/
|
||||
export function parseNotesMarkdown(content: string): ParsedNote[] {
|
||||
const notes: ParsedNote[] = [];
|
||||
const validTypes = new Set(['accomplishment', 'decision', 'gotcha', 'next_steps', 'context']);
|
||||
|
||||
// Split by ## headings
|
||||
const sections = content.split(/^##\s+/m).slice(1); // Skip empty first element
|
||||
|
||||
for (const section of sections) {
|
||||
const lines = section.split('\n');
|
||||
const typeCandidate = lines[0]?.trim().toLowerCase();
|
||||
|
||||
if (!typeCandidate || !validTypes.has(typeCandidate)) {
|
||||
continue; // Skip invalid sections
|
||||
}
|
||||
|
||||
const noteContent = lines.slice(1).join('\n').trim();
|
||||
if (!noteContent) {
|
||||
continue; // Skip empty notes
|
||||
}
|
||||
|
||||
notes.push({
|
||||
note_type: typeCandidate as ParsedNote['note_type'],
|
||||
content: noteContent,
|
||||
});
|
||||
}
|
||||
|
||||
return notes;
|
||||
}
|
||||
|
||||
/**
|
||||
* Recover notes from temp file and insert to database
|
||||
* @param sessionId - Session ID to recover notes for
|
||||
* @param tempFilePath - Path to .claude-session/SESSION_ID/notes.md file
|
||||
* @param source - Source indicator for recovery (always 'recovered' for orphan recovery)
|
||||
* @returns Number of notes recovered
|
||||
*/
|
||||
export async function recoverNotesFromTempFile(
|
||||
sessionId: string,
|
||||
tempFilePath: string,
|
||||
source: 'recovered' = 'recovered'
|
||||
): Promise<number> {
|
||||
try {
|
||||
const content = readFileSync(tempFilePath, 'utf-8');
|
||||
|
||||
if (!content.trim()) {
|
||||
return 0; // No notes to recover
|
||||
}
|
||||
|
||||
const notes = parseNotesMarkdown(content);
|
||||
|
||||
// Batch insert recovered notes
|
||||
let insertedCount = 0;
|
||||
|
||||
for (const note of notes) {
|
||||
try {
|
||||
// Get embedding for semantic search
|
||||
const embedding = await getEmbedding(note.content);
|
||||
const embeddingValue = embedding ? formatEmbedding(embedding) : null;
|
||||
|
||||
await execute(
|
||||
`INSERT INTO session_notes (session_id, note_type, content, embedding, created_at)
|
||||
VALUES ($1, $2, $3, $4, NOW())
|
||||
ON CONFLICT DO NOTHING`,
|
||||
[sessionId, note.note_type, note.content, embeddingValue]
|
||||
);
|
||||
|
||||
insertedCount++;
|
||||
} catch (err) {
|
||||
console.error(`Failed to insert note of type ${note.note_type}:`, err);
|
||||
// Continue with other notes on error
|
||||
}
|
||||
}
|
||||
|
||||
return insertedCount;
|
||||
} catch (err) {
|
||||
console.error(`Failed to recover notes from ${tempFilePath}:`, err);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Find temp files for orphaned sessions
|
||||
* Checks .claude-session directories for recovery candidates
|
||||
*/
|
||||
export async function findOrphanedSessionTempFiles(projectDir: string): Promise<string[]> {
|
||||
const fs = require('fs').promises;
|
||||
const path = require('path');
|
||||
|
||||
const claudeSessionDir = path.join(projectDir, '.claude-session');
|
||||
const tempFiles: string[] = [];
|
||||
|
||||
try {
|
||||
const entries = await fs.readdir(claudeSessionDir, { withFileTypes: true });
|
||||
|
||||
for (const entry of entries) {
|
||||
if (entry.isDirectory()) {
|
||||
const notesPath = path.join(claudeSessionDir, entry.name, 'notes.md');
|
||||
try {
|
||||
await fs.access(notesPath);
|
||||
tempFiles.push(notesPath);
|
||||
} catch {
|
||||
// File doesn't exist, skip
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (err) {
|
||||
// Directory doesn't exist, return empty
|
||||
}
|
||||
|
||||
return tempFiles;
|
||||
}
|
||||
|
||||
/**
|
||||
* Extract session ID from temp file path
|
||||
* Path format: /path/to/project/.claude-session/session_YYYYMMDDHHMM_<uuid>/notes.md
|
||||
*/
|
||||
export function extractSessionIdFromTempPath(tempFilePath: string): string | null {
|
||||
const match = tempFilePath.match(/\.claude-session\/([^/]+)\/notes\.md$/);
|
||||
return match ? match[1] : null;
|
||||
}
|
||||
Reference in New Issue
Block a user