simplify ECLog switch statement

[wazazaby]

Note

Refactor: simplify ECLog

• Replaces the explicit type switch in ECLog with an ECLogger interface assertion and delegation to ECLog() when implemented; otherwise returns empty string
• Introduces/uses ECLogger interface (ECLog() string) for event-specific logging

^{Written by Cursor Bugbot for commit 91b940e. This will update automatically on new commits. Configure here.}