迁移敏感信息到环境变量

- DeepSeek API Key → ${DEEPSEEK_API_KEY}
- .gitignore 新增 .env / docker-proxy.env 忽略规则

openclaw.json

@@ -1,7 +1,7 @@
 {
   "meta": {
     "lastTouchedVersion": "2026.7.1",
-    "lastTouchedAt": "2026-07-15T05:51:48.412Z"
+    "lastTouchedAt": "2026-07-15T07:58:46.857Z"
   },
   "wizard": {
     "lastRunAt": "2026-07-14T15:09:38.730Z",
@@ -22,7 +22,7 @@
     "providers": {
       "deepseek": {
         "baseUrl": "https://api.deepseek.com/v1",
-        "apiKey": "sk-893b90b270ad4697a0b0b24969964d79",
+        "apiKey": "${DEEPSEEK_API_KEY}",
         "api": "openai-completions",
         "models": [
           {
@@ -452,6 +452,9 @@
       },
       "dingtalk-connector": {
         "enabled": true
+      },
+      "memory-lancedb": {
+        "enabled": false
       }
     },
     "bundledDiscovery": "compat"
@@ -492,4 +495,4 @@
       "enabled": true
     }
   }
-}
+}