安全加固：console_log.meshtastic 默认关闭(不打印解密明文)，session_secure 默认 true，config.yaml 回写权限改 0600，公开接口错误信息脱敏(/api/health、/api/channels、列表接口，text-messages 移除 mqtt_remote_host)，bot PSK 不回显(psk_set+更新保持原值)，前端 help 页 DOMPurify 客户端消毒，后端 v1.6.0

meshmap_frontend/package-lock.json

@@ -8,6 +8,7 @@
       "name": "meshmap_frontend",
       "version": "0.0.0",
       "dependencies": {
+        "dompurify": "^3.4.14",
         "leaflet": "^1.9.4",
         "vue": "^3.5.34"
       },
@@ -789,6 +790,13 @@
         "undici-types": "~7.16.0"
       }
     },
+    "node_modules/@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/@vitejs/plugin-vue": {
       "version": "6.0.7",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-vue/-/plugin-vue-6.0.7.tgz",
@@ -993,6 +1001,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/dompurify": {
+      "version": "3.4.14",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.14.tgz",
+      "integrity": "sha512-dVoH9z+MY+C9IilgGCk3YfFqjLi3fChm2OiKJMzh6axrJ5qwxqWaZamgmHrpv22CN/KdbZJuGEGgfQoL00LTdg==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
     "node_modules/enhanced-resolve": {
       "version": "5.23.0",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.23.0.tgz",