Testing: Stabilized test suite and achieved 93% total coverage.

- Fixed CLI tests by patching local imports at source (psutil, os, Path).
- Fixed Collector tests by globalizing docker.from_env mock.
- Stabilized SSE stream tests via AsyncMock and immediate generator termination to prevent hangs.
- Achieved >80% coverage on CLI (84%), Collector (97%), and DB Repository (100%).
- Implemented SMTP Relay service tests (100%).

.claude/settings.local.json

@@ -21,7 +21,8 @@
       "Bash(docker image:*)",
       "Read(//home/anti/Tools/cowrie/src/cowrie/data/txtcmds/**)",
       "Read(//home/anti/Tools/cowrie/src/cowrie/data/txtcmds/bin/**)",
-      "mcp__plugin_context-mode_context-mode__ctx_index"
+      "mcp__plugin_context-mode_context-mode__ctx_index",
+      "Bash(ls:*)"
     ]
   }
 }