Fix password strength realtime

[kavin553]

Description

Fixes #199

This PR fixes the password strength indicator not updating consistently during rapid typing on the signup page.

Changes Made

• Refactored password strength updates into a dedicated "updatePasswordStrength()" function.
• Added "requestAnimationFrame()" scheduling for smoother and more reliable UI updates.
• Ensured password strength recalculates during:
  • typing ("input")
  • rapid typing ("keyup")
  • paste actions
  • IME/composition input ("compositionend")
  • value changes ("change")
• Preserved existing UI, styling, validation logic, and password requirement indicators.
• Improved responsiveness for backspace, paste, and fast keyboard input scenarios.

Testing

Tested locally by:

• Typing passwords rapidly
• Using backspace repeatedly
• Pasting passwords
• Verifying strength bars update correctly
• Verifying requirement indicators update in real time

[vercel]

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[kavin553]

Hi @mayo-byte07 👋

I've completed the fix for this issue and submitted a PR.

What was fixed

✅ Password strength indicator now updates reliably during rapid typing.

Verified Scenarios

• Fast keyboard input
• Backspace/delete actions
• Paste operations
• Password requirement validation updates
• Strength bar updates in real time

The existing UI and styling were preserved while improving the update logic for better responsiveness.

Thank you for reviewing! 🚀