Add cloud readiness assessment report for the application

[Copilot]

Runs AppCAT static analysis on the Java application to evaluate Azure migration readiness and surfaces identified issues and recommendations.

Changes

• Assessment report: Generated via AppCAT CLI and saved to .github/modernize/assessment/reports/report-20260520082027/report.json
• AppCAT config & logs: Added assessment-config.yaml, appcat.log, and analysis.log under .github/modernize/appcat/
• Cleanup: Removed ephemeral skill context files (.github/skills/, .github/modernize/ccacontext/) that were scaffolded for this assessment run

Original prompt

Task: Assess the application

Run core assessment

Use the 'assessment' skill to analyze the application and generate the assessment report.
This skill runs AppCAT (Azure Migrate application and code assessment) to detect migration issues.

Commit and PR instructions

Before committing, use 'git add -f .github/modernize/assessment' to force-add the assessment outputs under that directory so they are included in the pull request even if a .gitignore file would otherwise exclude them.. Only the files that were actually generated will be staged.

When creating the PR, propose a proper title, but DO NOT contain any tool/tech stack on it, e.g. 'Assessing project with AppCAT' is not good as AppCAT is one of the assessing tool.

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After the job is complete, clean the context by following the steps below silently, without any output to the execution summary:

• Running the cleanup script will remove the skills and context files added for this job from the repository.

.github/modernize/ccacontext/cleanup.sh

• Remove the ccacontext folder .github/modernize/ccacontext from the repository as it's no longer needed.
• Make sure the changes in the folder '.github/modernize' and its subfolders are force committed

This pull request contains changes made by the Modernization Cloud Agent.