chore: standardize prettier config

[vreshch]

Standardize Prettier Config

Align prettier config to the standard used across all repos.

.prettierrc

{
  "semi": true,
  "singleQuote": true,
  "trailingComma": "es5",
  "printWidth": 100,
  "tabWidth": 2
}

Changes

• Standardize to .prettierrc (not .prettierrc.json)
• Remove redundant defaults (useTabs, arrowParens, endOfLine)
• Standardize .prettierignore — minimal, consistent across repos
• Only 5 non-default options — nothing extra

[github-actions]

🔍 Pull Request Validation Results

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🎨 Format	✅ Passed
🏗️ Build	✅ Passed
🧪 Tests	✅ Passed
📊 Coverage	✅ Passed

Overall: ✅ All checks passed!

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⏰ Generated at: 2026-03-20T20:55:01.072Z