Build GitHub Action: NEAR Contract Size Check

Overview

Create a GitHub Action that checks NEAR contract WASM size and warns if approaching limits.

Why This Matters

NEAR has contract size limits. Catching size issues in CI prevents deployment failures.

Technical Requirements

• Build contract WASM
• Check size against limits
• Compare with previous builds
• Suggest optimizations
• Fail if over limit

Deliverables

1. GitHub Action on Marketplace
2. Size comparison
3. Optimization suggestions
4. Clear warnings