```

chore: refactor logging module, update genesis timestamp, remove model relationships, and reorganize routers

- Rename logging.py to logger.py and update import paths in poa.py and main.py
- Update devnet genesis timestamp to 1766828620
- Remove SQLModel Relationship declarations from Block, Transaction, and Receipt models
- Add SessionDep type alias and get_session dependency in coordinator-api deps
- Reorganize coordinator-api routers: replace explorer/registry with exchange, users, marketplace

apps/explorer-web/public/css/layout.css

@@ -262,6 +262,16 @@
   padding: 0;
 }
 
+.stat-list li {
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+.stat-list li code {
+  word-break: break-all;
+  font-size: 0.9em;
+}
+
 .stat-list li + li {
   margin-top: 0.35rem;
 }