Initial commit: AI Photo Organizer (Electron + face-api)

Local-first photo organizer that auto-sorts images by face recognition
and EXIF capture date.

- Electron app with 3-process split: Main (Node) / UI Renderer (React) /
  hidden Inference Renderer (face-api + WebGL)
- Core pipeline: scan -> face match + EXIF -> path build -> atomic move/copy
- Move = copy -> verify -> delete; auto-rename on filename collision
- 1st-registered profile = move, others = copy; unmatched -> [미정]/YYYY/MM
- EXIF date with mtime fallback
- Vitest unit tests (pathBuilder / fileOps / concurrency) all green
- electron-builder config for Windows (nsis) + macOS (dmg)
- Docs: PRD / DECISIONS / ARCHITECTURE

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

models/README.md

@@ -0,0 +1,15 @@
+# 모델 가중치 폴더
+
+이 폴더에는 face-api 모델 가중치가 들어갑니다 (용량이 커서 git에는 포함하지 않음).
+
+아래 명령으로 내려받으세요:
+
+```bash
+npm run models:download
+```
+
+필요 파일:
+- `ssd_mobilenetv1_model-*` (정확도 우선 검출)
+- `tiny_face_detector_model-*` (속도 우선 검출)
+- `face_landmark_68_model-*` (랜드마크)
+- `face_recognition_model-*` (128-d descriptor)