# Ticket: Long-Term Memory Design

## Ticket Information

- **ID**: TICKET-041
- **Title**: Long-Term Memory Design
- **Type**: Design
- **Priority**: High
- **Status**: Backlog
- **Track**: Safety/Memory
- **Milestone**: Milestone 3 - Memory, Reminders, Safety
- **Created**: 2024-01-XX

## Description

Design long-term memory system:
- Schema for personal memory (facts, preferences, routines)
- Timestamps and confidence scores
- Memory write policy (when agent can persist)
- Retrieval strategy (light retrieval over structured store)

## Acceptance Criteria

- [ ] Memory schema designed
- [ ] Data model documented
- [ ] Write policy defined
- [ ] Retrieval strategy documented
- [ ] Integration points identified

## Technical Details

Memory schema:
- Facts: names, preferences, routines
- Metadata: timestamp, confidence, source
- Categories: personal, family, preferences, routines

Storage:
- SQLite or lightweight DB
- Indexed for fast retrieval
- Backup strategy

## Dependencies

- TICKET-025 (system prompts) - for integration
- TICKET-004 (architecture)

## Related Files

- `docs/MEMORY_DESIGN.md` (to be created)
- `home-voice-agent/memory/` (to be created)

## Notes

Needs LLM prompting framework. Independent from ASR/TTS and client work.