fix : added max length guard on compileResume code field in ValidateResume

[tmdeveloper007]

Summary of What Has Been Done

Added max length validation (50,000 characters) on the code field in compileResumeSchema in ValidateResume.js.

Changes Made

• backend/Input_validators/ValidateResume.js: Added .max(50000) to compileResumeSchema.code.

Impact it Made

Prevents clients from submitting extremely large LaTeX documents.

Closes #1840

Note: Please assign this PR to the tmdeveloper007 account.

Adds a 50,000-character maximum to compileResumeSchema.code. The validator now rejects oversized LaTeX input.

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[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 3738df74-cbcd-46d8-98ad-d765ab4f05c4

📥 Commits

Reviewing files that changed from the base of the PR and between 18a34ee and f78cfcf.

📒 Files selected for processing (1)

• backend/Input_validators/ValidateResume.js

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📝 Walkthrough

Walkthrough

The compile resume validator now rejects code values longer than 50,000 characters while retaining required non-empty string validation.

Changes

Resume validation

Layer / File(s)	Summary
Compile resume code length guard backend/Input_validators/ValidateResume.js	The compileResumeSchema now applies a maximum length of 50,000 characters to the required code field.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• Canopus-Labs/PrepPilot#1479: Adds maximum-length validation for resume compilation LaTeX input.
• Canopus-Labs/PrepPilot#1722: Modifies compile-resume validation in the same validator.

Suggested reviewers: dev1822

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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