[codex] transaction mix report

[StuartFerguson]

What changed

• Added the Transaction Mix reporting page with a LiveCharts row chart, summary cards, top categories, and drill-down transaction list.
• Wired the mobile app and reporting navigation to the new page.
• Added request/response mapping for the ACL transaction mix summary endpoint.
• Added unit coverage for the view model and reporting service.
• Added an end-to-end reporting scenario that drives the app to the Transaction Mix page and verifies the chart is present.

Validation

• dotnet build TransactionProcessor.Mobile\TransactionProcessor.Mobile.csproj --no-restore
• dotnet test TransactionProcessor.Mobile.BusinessLogic.Tests\TransactionProcessor.Mobile.BusinessLogic.Tests.csproj --no-restore
• dotnet build TransactionProcessor.Mobile.UITests\TransactionProcessor.Mobile.UITests.csproj --no-restore

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 21 complexity · 6 duplication

Metric	Results
Complexity	21
Duplication	6

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