feat: Add Firebase Security Rules Validation with Comprehensive Error Handling

[NithinRegidi]

Firebase Security Rules Validation Enhancement

Summary

Implements comprehensive client-side validation for Firebase configuration and security rules with user-friendly error handling, retry mechanisms, and graceful degradation.

Problem Statement

CryptoHub lacked validation for Firebase operations, leading to:

• Silent failures without clear error messages
• Poor user experience with confusing errors
• Difficult debugging for developers
• App crashes when Firebase services unavailable

Solution Overview

Added a complete Firebase validation system that:

1. Validates Firebase configuration during app initialization
2. Tests connectivity and permissions
3. Provides clear, actionable error messages to users
4. Implements graceful degradation when Firebase is unavailable
5. Smart retry mechanisms with exponential backoff

[vercel]

@NithinRegidi is attempting to deploy a commit to the Karan Manickam's projects Team on Vercel.

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[github-actions]

👋 Hi @NithinRegidi,
This pull request does not seem to be linked to an issue.

Please link an issue using one of the following formats:

• Fixes Update footer icons and layout #123
• Closes Update footer icons and layout #123
• Resolves Update footer icons and layout #123

Linking issues helps us track work and close issues automatically. Thanks! 🙌

[github-actions]

🎉 Thanks for the PR, @NithinRegidi!

We really appreciate you taking the time to contribute to CryptoHub! 💙

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✅ PR Checklist

Before we review, please ensure:

• Your code follows the project's coding standards
• All file changes are accurate and intentional
• You've tested your changes locally
• Any review comments have been addressed

---

We'll review your PR as soon as possible. Keep up the great work! ✨

[NithinRegidi]

@Raamgopal8 Please review this PR

[KaranUnique]

@NithinRegidi Which issue does this PR closes ?

[KaranUnique]

@NithinRegidi noticed that route bundler changes are present in both PR #388 and PR #389. Can you clarify the relationship between these? It might be better to base PR #389 on top of #388 or split concerns properly

[github-actions]

👋 Hi @NithinRegidi,
This pull request does not seem to be linked to an issue.

Please link an issue using one of the following formats:

• Fixes Update footer icons and layout #123
• Closes Update footer icons and layout #123
• Resolves Update footer icons and layout #123

Linking issues helps us track work and close issues automatically. Thanks! 🙌

[github-actions]

👋 Hi @NithinRegidi,
This pull request does not seem to be linked to an issue.

Please link an issue using one of the following formats:

• Fixes Update footer icons and layout #123
• Closes Update footer icons and layout #123
• Resolves Update footer icons and layout #123

Linking issues helps us track work and close issues automatically. Thanks! 🙌

[github-actions]

👋 Hi @NithinRegidi,
This pull request does not seem to be linked to an issue.

Please link an issue using one of the following formats:

• Fixes Update footer icons and layout #123
• Closes Update footer icons and layout #123
• Resolves Update footer icons and layout #123

Linking issues helps us track work and close issues automatically. Thanks! 🙌

[NithinRegidi]

@KaranUnique Thanks for the feedback! I've addressed both concerns:

Issue Link Fixed - Updated commit message to reference Closes #341

Commit Cleanup - Removed the code-splitting commit that was mistakenly included. The branch now contains only the Firebase validation implementation (1 clean commit).

The PR is now ready for review! All changes are isolated to Firebase validation and don't affect the code-splitting work in PR #389

[KaranUnique]

@NithinRegidi After merging the #387 there is merge conflicts, resolve it

[NithinRegidi]

@KaranUnique Resolved