Added auto commit message gen

[sauravpanda]

Updated pre-commit configuration and added commit message generation

• Purpose:
  Improve code quality and automate commit message generation.
• Key Changes:
  • Removed the black pre-commit hook, as it is now handled by the project's linter configuration.
  • Added a new command generate-commit-msg to the CLI, which generates a commit message based on the staged changes.
  • Integrated the commit message generation into the prepare-commit-msg Git hook, so that the commit message is automatically generated when committing changes.
• Impact:
  The changes will ensure consistent code formatting, improve the quality of commit messages, and streamline the development workflow.

✨ Generated with love by Kaizen ❤️

Original Description

[kaizen-bot]

🔍 Code Review Summary

✅ All Clear: This commit looks good! 👍

Overview

• Total Feedbacks: 1 (Critical: 0, Refinements: 1)
• Files Affected: 1
• Code Quality: [█████████████████░░░] 85% (Good)

🟠 Refinement Suggestions:

These are not critical issues, but addressing them could further improve the code:

error_handling (1 issues)

1. Lack of error handling in loading configuration.

---

📁 File: cli/kaizen_cli/config/manager.py
🔍 Reasoning:
The current implementation of loading configuration does not handle potential errors that may arise from missing or malformed environment variables. This could lead to runtime exceptions and application crashes.

💡 Solution:
Implement error handling to manage cases where environment variables are missing or incorrectly formatted.

Current Code:

parsed_value = json.loads(value)

Suggested Code:

try:
    parsed_value = json.loads(value)
except json.JSONDecodeError:
    raise ValueError(f'Invalid value for{key}:{value}')

---

Test Cases

10 file need updates to their tests. Run !unittest to generate create and update tests.

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