CID-3153: Enhance Synchronisation Logging

[mohamedlajmileanix]

🛠 Changes made

Send error message if agent shutdown. Enhance logs. Start snyclog early. Send error log if scan fails.

✨ Type of change

Please delete the options that are not relevant.

• New feature (non-breaking change which adds functionality)

🧪 How Has This Been Tested?

• Updating test

🏎 Checklist:

• My code follows the style guidelines
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• Any dependent changes have been merged and published in downstream modules
• My commit message clearly reflects the changes made
• Assigned the appropriate labels (version, PR type, etc.)

[github-actions]

LeanIX GitHub Agent Code Coverage

File	Coverage [72.93%]	🍏
GitHubScanningService.kt	93.76%	🍏
GitHubAuthenticationService.kt	79.24%	🍏
PostStartupRunner.kt	77.17%	🍏
SyncLogDto.kt	51.52%	❌
GlobalExceptionHandler.kt	37.86%	❌
GitHubAgentApplication.kt	34.55%	❌
SyncLogService.kt	28.42%	❌

Total Project Coverage	69.12%	🍏