chore: add .sgclaw-zeroclaw-workspace and sgclaw_config.json to gitignore

Remove tracked internal state files from repository.

🤖 Generated with [Qoder][https://qoder.com]

.gitignore

@@ -6,5 +6,8 @@ target/
 .qoder/
 .sgclaw_workspace/
 .sgclaw_workspace_dev1/
+.sgclaw-zeroclaw-workspace/
+sgclaw_config.json
+nul
 target-test/
 target-zhihu-nav/

.sgclaw-zeroclaw-workspace/state/memory_hygiene_state.json

@@ -1,10 +0,0 @@
-{
-  "last_run_at": "2026-04-12T03:08:25.764151200+00:00",
-  "last_report": {
-    "archived_memory_files": 0,
-    "archived_session_files": 0,
-    "purged_memory_archives": 0,
-    "purged_session_archives": 0,
-    "pruned_conversation_rows": 0
-  }
-}