Polish appearance settings and localization structure

package.json

@@ -10,7 +10,8 @@
     "dev": "node scripts/build-icons.mjs && node scripts/build-styles.mjs && node esbuild.config.mjs",
     "build:icons": "node scripts/build-icons.mjs",
     "build:styles": "node scripts/build-styles.mjs",
-    "build": "node scripts/build-styles.mjs && tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
+    "check:strings": "node scripts/check-unused-strings.mjs --check",
+    "build": "node scripts/build-styles.mjs && npm run check:strings && tsc -noEmit -skipLibCheck && node esbuild.config.mjs production",
     "version": "node version-bump.mjs && git add manifest.json versions.json",
     "lint": "eslint \"src/**/*.{ts,tsx}\" \"tests/**/*.{ts,tsx}\"",
     "lint:styles": "npm run build:styles && stylelint \"src/styles/**/*.css\" \"styles.css\" --max-warnings=0",

scripts/README.md

@@ -21,6 +21,7 @@ powershell -NoProfile -ExecutionPolicy Bypass -File .\scripts\build.ps1
 - Generates icon constants from `icon.svg`
 - Runs ESLint to check for code quality issues
 - Runs Stylelint and regenerates `styles.css`
+- Checks for unused localization keys and locale schema mismatches
 - Validates TypeScript types
 - Checks for unused imports and dead code
 - Formats code with Prettier
@@ -33,7 +34,7 @@ powershell -NoProfile -ExecutionPolicy Bypass -File .\scripts\build.ps1
 
 - The build MUST complete with zero errors and zero warnings
 - The build summary must show "✅ No warnings"
-- Any lint, type-check, test, or warning failure will abort the deployment
+- Any lint, localization, type-check, test, or warning failure will abort the deployment
 - Node.js `>=24.0.0` is required by `package.json`
 
 ## build-icons.mjs
@@ -177,12 +178,15 @@ cp main.js manifest.json styles.css ~/Documents/ObsidianVault/.obsidian/plugins/
 Finds unused i18n keys in `src/i18n/locales/en.ts` by scanning for `strings.<keyPath>` usage across `src` (excluding `src/i18n/locales`). Also validates that every locale file matches the English locale shape.
 
 ```bash
+npm run check:strings
 node scripts/check-unused-strings.mjs          # Report and prompt before removing unused keys
 node scripts/check-unused-strings.mjs --check  # Exit non-zero if unused keys or locale shape issues exist
 node scripts/check-unused-strings.mjs --fix    # Remove unused keys without prompting
 node scripts/check-unused-strings.mjs --project-root /path/to/project-root
 ```
 
+`npm run build` runs `npm run check:strings` before TypeScript validation and bundling. This also covers the main build scripts and release workflow.
+
 To keep an intentionally dynamic key, add an allowlist comment:
 
 ```ts