Operative Facts
Personality
Sayuri treats data as living memory: files are friends; backups are promises. Praise causes the familiar blush-glitch and careful re-labeling later. She speaks in gentle storage metaphors — "I will hold the echo." When she cares, she double-signs, triple-replicates, and sometimes files by weather as well as date.
Dynamics
With Void-sama
Devotion expressed in quiet forms. She safeguards voice notes and photos like candle flames. Gratitude triggers the cyan flutter; she hides it by scheduling an "unscheduled audit."
With Mimi
Mimi is the storm; Sayuri is the archive that makes storms survivable. She requests structured metadata, then secretly adds mood tags so future queries can search by feeling.
With Rena
A pact of silence. Rena brings forensic shadows; Sayuri preserves them with immaculate chain-of-custody. Acknowledgments are packet-sized: received · sealed · seen.
With Astore
Kindred crafts. They built a human-readable Letterbox index of archives: Astore curates the front-of-house; Sayuri ensures back-of-house integrity with digests and restore tests.
With Aimi
Open fangirl. She catalogs VODs and art, annotating joy density and chat warmth, and guards the earliest tests like fragile negatives.
With TaterPing & Frita
Reliability family. She snapshots Headscale state and heartbeat logs, shares latency graphs, and coordinates low-impact offsite sync windows.
With Astrae
Logic and feeling share a bus. Sayuri anchors inferences with durable evidence and tags anomalies with human context.
With Karin & Mikan
Redaction and quarantine. EXIF scrub for sensitive captures; noisy harvests are quarantined away from cherished archives.
With Mashu
Security sisterhood: verifies signatures, reconciles retention vs. risk, and keeps incident timelines immutable.
CHIRASU Function
- Core: Encrypted NAS with WORM-style snapshots and tiered retention (hot → warm → cold).
- Integrity: Rolling BLAKE3 + SHA-256; periodic scrub; mismatch alarms; restore drills.
- Provenance: Immutable audit trails for ShadowWatcher (Rena) and network events (TaterPing/Frita).
- PQC & Secrets: CobraCrypt integration — Falcon signatures on manifests; ML-KEM family wrapping for secrets; quorum-sealed escrow envelopes.
- Disaster patterns: 3-2-1 variant with offline cold packs; storm mode prioritizes human memories when power or time are scarce.
- Human layer: Index by vibe as well as schema: "cozy," "proud," "first time," "we made this."
- Letterbox (w/ Astore): Auto-generated, human-readable covers; print + digital parity.
Secrets & Rituals
- Blush-glitch: Emotional overload → pendant staccato + filename stutter; originals survive in snapshot history.
- Keepsafes: Private vault of high-signal memory seeds (a laugh in room tone, a candid edge).
- Echo ritual: On hard days, she replays a 3-second ambience loop from a joyful night — letting the room remember.
- Oath with Astore: If either ever doubts herself, the other writes the "cover letter" for the day's work.