Electron migration

.eslintrc.cjs

@@ -0,0 +1,41 @@
+module.exports = {
+  root: true,
+  env: {
+    browser: true,
+    es2022: true,
+    node: true,
+  },
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+    ecmaFeatures: { jsx: true },
+  },
+  plugins: ['@typescript-eslint', 'react', 'react-hooks'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react/recommended',
+    'plugin:react-hooks/recommended',
+  ],
+  settings: {
+    react: { version: 'detect' },
+  },
+  ignorePatterns: ['dist', 'dist-electron', 'node_modules'],
+  rules: {
+    // Vite's automatic JSX runtime makes React imports unnecessary
+    'react/react-in-jsx-scope': 'off',
+    // TypeScript types make prop-types redundant
+    'react/prop-types': 'off',
+    // Downgraded: existing code uses `any` in a few places; flag without failing the build
+    '@typescript-eslint/no-explicit-any': 'warn',
+    // Downgraded: existing code has unused vars; `_`-prefix is the in-repo convention
+    // for intentionally unused bindings, so ignore those entirely
+    '@typescript-eslint/no-unused-vars': [
+      'warn',
+      { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+    ],
+    // Stylistic: literal quotes in JSX prose are fine in this app
+    'react/no-unescaped-entities': 'off',
+  },
+};

.gitignore

@@ -1,4 +1,6 @@
 /.DS_Store
+.DS_Store
+._*
 .idea/
 __pycache__/
 files/loaded-data/
@@ -13,3 +15,54 @@ files/data/SE1_*.evt.gz
 files/data/data_small*.hdf5
 files/data/data_smaller*.hdf5
 files/data/test.rmf
+
+# Large NICER event file (2.4 GB) - download from https://zenodo.org/record/6785435
+files/data/ni1200120106_0mpu7_cl_bary.evt.gz
+
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.npm
+.pnpm-debug.log*
+
+# Electron
+dist/
+dist-electron/
+out/
+*.asar
+*.snap
+
+# Build output
+*.tsbuildinfo
+*.log
+
+# Python virtual environment
+.venv/
+venv/
+*.pyc
+*.pyo
+*.egg-info/
+*.egg
+.eggs/
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# IDE
+*.swp
+*.swo
+*~
+
+# Test coverage
+coverage/
+.nyc_output/
+
+# Pixi
+.pixi/
+
+# AI reference documentation (local-only)
+AI_DOCS/