# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).

## [Unreleased]

### Changed

- **BREAKING:** Normalized SQL schema to snake_case convention
  - Tables: `blob` → `blobs`, `record_blob` → `record_blobs`
  - Columns: `mimeType` → `mime_type`, `createdAt` → `created_at`, `blobCid` → `blob_cid`, `recordUri` → `record_uri`
  - Existing Durable Objects require storage reset

## [0.1.0] - 2025-01-07

Initial experimental release.

### Added

- **Repo operations:** createRecord, getRecord, putRecord, deleteRecord, applyWrites, listRecords
- **Sync endpoints:** getRepo (CAR export), subscribeRepos (WebSocket firehose), getLatestCommit
- **Authentication:** createSession, getSession, refreshSession with JWT tokens
- **Blob storage:** uploadBlob, getBlob, listBlobs with R2 backend
  - MIME type sniffing (JPEG, PNG, GIF, WebP, MP4, AVIF, HEIC)
  - Automatic orphaned blob cleanup via DO alarms
  - Blob-record association tracking
- **Identity:** Handle resolution, PLC directory registration
- **Federation:** Relay notification (requestCrawl), AppView proxy for app.bsky.* endpoints
- **Infrastructure:**
  - Merkle Search Tree (MST) for repo structure
  - DAG-CBOR encoding with CID generation
  - P-256 ECDSA signing via Web Crypto
  - TypeScript checking via JSDoc annotations
  - Setup script for key generation and PLC registration