AzuTear 2c6c1a8b31 feat(ocr): resolution-anchored layout module + crop preprocessing
Implements ADR-009 (structure + preprocessing; exact IK fixed coordinates still
need calibration against a reference 16:9 screenshot).

- src/lib/layoutProfile.ts: pure, unit-tested geometry for the artifact screen -
  detail rect, the four detail crops, inventory rect/count crop, 5-col grid,
  16:9 detection, aspect label, and an off-16:9 support warning. Single source of
  truth; electron/main.ts now delegates all crop/grid geometry to it and keeps
  colour detection only as the detail-rect fallback.
- src/lib/ocrPreprocess.ts: pure, unit-tested Otsu binarization with inversion
  (artifact text is the bright foreground) over a BGRA bitmap.
- main.ts: OCR now reads an upscaled + binarized copy of each crop; the original
  crop is retained for the diagnostics UI. CaptureResult carries layout info
  { aspect, isSixteenNine, warning }.

NOTE: image preprocessing changes the OCR input and cannot be validated by the
text-level eval harness; it needs a live Genshin 16:9 capture to confirm/tune
(threshold, invert, upscale factor). 88 tests + build green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-05 21:42:16 +02:00

Genshin Artifact Assistant

Local Windows-first Electron app for scanning Genshin Impact artifacts, triaging them, and suggesting simple character builds without depending on Inventory Kamera or Genshin Optimizer as the main workflow.

Current MVP

  • Electron + React + TypeScript app shell.
  • Dark purple fintech/glassmorphism UI direction.
  • Genshin capture source discovery.
  • Smart Capture that focuses Genshin, hides the app, captures the primary screen, and restores the app.
  • Artifact detail-panel crop detection with focused OCR regions.
  • OCR parser for artifact name, slot, main stat, substats, set, equipped character, confidence, and review notes.
  • Demo triage and build suggestion views.
  • Read-only overlay preview shell.

Documentation

This project uses the engineering template from https://git.noveria.net/bao/template adapted to this app:

Run

npm install
npm run dev

Use the Electron app window for scanner work. The browser preview does not expose the local capture bridge.

Input/Capture helper (C# sidecar)

Input automation and screen capture run through a compiled C# sidecar (native/input-helper, see ADR-008). Build it once:

npm run helper:build   # requires the .NET SDK; produces a self-contained exe

The app auto-detects the exe (INPUT_HELPER_EXE env override → packaged resources/input-helpernative/input-helper/bin/publish). If the exe is not present it falls back to the embedded PowerShell helper, so the app still runs without the .NET build - just slower and with the old per-frame temp-file capture.

Automatischer Scan: als Administrator starten

Genshin läuft erhöht (Administrator). Windows (UIPI) verwirft dann alle simulierten Maus-Eingaben aus einer nicht-erhöhten App - SendInput meldet dabei trotzdem Erfolg. Für den automatischen Scan muss die App deshalb ebenfalls erhöht laufen:

  • npm run dev:admin (oder Doppelklick auf dev-admin.cmd) - öffnet aus einem normalen Terminal heraus einen UAC-Prompt und startet danach npm run dev in einem neuen Administrator-Fenster.
  • Alternativ: Terminal per Rechtsklick "Als Administrator ausführen" öffnen und darin normal npm run dev starten.

Der UAC-Prompt lässt sich nicht dauerhaft abschalten; das ist Windows-Design. Die gepackte App fordert Admin-Rechte über requestedExecutionLevel: requireAdministrator selbst an. Die App zeigt im Scanner-Header und in der Scanner-Diagnose nur an, ob sie gerade erhöht läuft - sie startet sich nicht selbst neu.

Validate

npm run lint
npm test
npm run build

Safety Boundaries

  • No memory reads.
  • No hooks or process injection.
  • No game file modification.
  • No automatic delete, enhance, feeding, or resource-spending actions.
  • In-game lock/marking is a future opt-in module and remains disabled in this MVP.
S
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