[StuartFerguson]

Summary

• Add structured diagnostic logging across file-line processing stages, including transaction dispatch, contract lookup, and state persistence.
• Log mediator dispatch failures and exceptions with file and line identifiers while preserving result and exception behavior.
• Add tests that verify key diagnostic events and confirm transactions are not dispatched when contract lookup fails.

Testing

• Added and updated unit tests for file-line and domain-event diagnostic logging.
• Not run (not requested)

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 31 complexity · 0 duplication

Metric	Results
Complexity	31
Duplication	0

View in Codacy

_{NEW Get contextual insights on your PRs based on Codacy's metrics, along with PR and Jira context, without leaving GitHub. Enable AI reviewer
TIP This summary will be updated as you push new changes.}