fix(goals): clamp progress bar width to 100% max and add Goal Surpass…

[Nareshkumawat-star]

Summary

Fixes progress bar visual overflow in GoalTracker.tsx by clamping progress width to a maximum of 100% (Math.min((current / target) * 100, 100)). Introduces a dedicated "Goal surpassed! 🎯" label and emerald glow ring indicator when a user exceeds their target.

Closes #3246

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Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that changes existing behavior)
• 📝 Documentation update
• ♻️ Refactor / code cleanup (no functional change)
• ⚡ Performance improvement
• 🔒 Security fix
• 🧪 Tests only

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What Changed

• src/components/GoalTracker.tsx:
  • Clamped progressWidth to 100% max in the style property (Math.min(progressWidth, 100)%).
  • Added Goal surpassed! 🎯 completion label when goal.current > goal.target.
  • Added custom emerald ring and gradient styling when goals are surpassed.
• test/GoalTracker.test.ts:
  • Added unit test assertion covering surpassed goal completion labels.

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How to Test

1. Set a goal target of 5 commits in Goal Tracker.
2. Make 6 or more commits (or edit current to be higher than target).
3. Verify that the progress bar stops exactly at 100% width without overflowing the card container.
4. Verify that the badge shows "Goal surpassed! 🎯".

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Checklist

• Self-reviewed my own diff
• No unnecessary console.log or debug code
• Progress bar capped at 100% maximum
• Unit test updated for surpassed goal state

[github-actions]

GSSoC Label Checklist 🏷️

@Priyanshu-byte-coder — please apply the appropriate labels before merging:

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• level:beginner — 20 pts
• level:intermediate — 35 pts
• level:advanced — 55 pts
• level:critical — 80 pts

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[Nareshkumawat-star]

Hi @Priyanshu-byte-coder kindly review and merge it