[FEAT] Add Hint Progression Mode for Guided Problem Solving

[suryansh24-coder]

Description

Implemented the initial version of Hint Progression Mode for guided problem solving in LeetLog AI.

Changes Made

• Added HintRequest model for hint generation requests.

• Added new /generate-hint API endpoint in the backend.

• Implemented generate_hint() function using Gemini AI.

• Added Hint Progression UI in the extension popup.

• Added support for:

  • 💡 Hint 1 (Direction Hint)
  • 🧩 Hint 2 (Data Structure Hint)
  • 🧠 Hint 3 (Logic Breakdown)
  • ⚡ Hint 4 (Pseudocode Assistance)
  • 🖥️ Show Solution

• Connected popup, background script, and backend API for hint generation.

• Added hint response display area in the popup UI.

Related Issue

Fixes #104

Type of Change

• Bug fix
• New feature
• Documentation update

Checklist

• My code follows project guidelines
• I have tested my changes
• Documentation updated if needed

[suryansh24-coder]

Hi @vanshaggarwal27,

I have implemented the initial version of the Hint Progression Mode for guided problem solving as discussed in Issue #104.

Implemented Features

• Added Hint Progression UI in the extension popup.

• Added support for:

  • 💡 Direction Hint
  • 🧩 Data Structure Hint
  • 🧠 Logic Breakdown
  • ⚡ Pseudocode Assistance
  • 🖥️ Show Solution

• Added backend /generate-hint API endpoint.

• Integrated AI-powered hint generation flow.

• Connected popup → background script → backend communication pipeline.

I would appreciate your review and feedback on the implementation. If there are any changes required to better align with the project vision or issue requirements, I’d be happy to make them.

Thank you for your time and guidance.

[suryansh24-coder]

@vanshaggarwal27
Review request

[vanshaggarwal27]

Please make sure all lint test are passed

[suryansh24-coder]

@vanshaggarwal27 Sure sir , making changes ASAP !!

[suryansh24-coder]

@vanshaggarwal27
Sir please check and guide me once if any further changes too required.

[vanshaggarwal27]

Please resolve merge conflict and make sure Lint error are fixed along. Also, check pytests are passed.

[vanshaggarwal27]

Please fix lint error as they are failing

[suryansh24-coder]

@vanshaggarwal27 Fixed all the errors and merge conflict as well please merge the PR

[vanshaggarwal27]

Lint test are still failing, please fix this