# Requirements: v1.5 Sidecar Startup Architecture (ARCHIVED)

**Status:** All requirements met. Archived 2026-03-23.

## Requirements

- [x] **STARTUP-01**: Yesterday Integrity Check — crossover TID alignment + Stathera audit in < 5s
- [x] **STARTUP-02**: Signal File — atomic write to `/var/tmp/opendeviationbar-yesterday-repair.json`
- [x] **STARTUP-03**: Kintsugi Yesterday Priority Queue — signal consumed, flagged symbols at HEAD
- [x] **STARTUP-04**: Sub-Minute Startup — 27s measured on bigblack (target was < 60s)

## Traceability

| REQ-ID     | Phase | Plan  | Status                 |
| ---------- | ----- | ----- | ---------------------- |
| STARTUP-01 | 1     | 01-01 | Met                    |
| STARTUP-02 | 1     | 01-01 | Met                    |
| STARTUP-03 | 2     | 02-01 | Met (+ is_genesis fix) |
| STARTUP-04 | 3     | 03-01 | Met (27s)              |
