feat(tool): register optional discord_control tool in whispergate plugin and align defaults

docs/CONFIG.example.json

@@ -1,7 +1,7 @@
 {
   "plugins": {
     "load": {
-      "paths": ["/path/to/WhisperGate/plugin"]
+      "paths": ["/path/to/WhisperGate/dist/whispergate"]
     },
     "entries": {
       "whispergate": {
@@ -10,19 +10,45 @@
           "enabled": true,
           "discordOnly": true,
           "bypassUserIds": ["561921120408698910"],
-          "endSymbols": ["。", "！", "？", ".", "!", "?"],
-          "noReplyProvider": "openai",
-          "noReplyModel": "whispergate-no-reply-v1"
+          "endSymbols": ["🔚"],
+          "noReplyProvider": "whisper-gateway",
+          "noReplyModel": "no-reply",
+          "enableDiscordControlTool": true,
+          "discordControlApiBaseUrl": "http://127.0.0.1:8790",
+          "discordControlApiToken": "<DISCORD_CONTROL_AUTH_TOKEN>",
+          "discordControlCallerId": "agent-main"
         }
       }
     }
   },
   "models": {
     "providers": {
-      "openai": {
-        "apiKey": "<AUTH_TOKEN_OR_PLACEHOLDER>",
-        "baseURL": "http://127.0.0.1:8787/v1"
+      "whisper-gateway": {
+        "apiKey": "<NO_REPLY_API_TOKEN_OR_PLACEHOLDER>",
+        "baseUrl": "http://127.0.0.1:8787/v1",
+        "api": "openai-completions",
+        "models": [
+          {
+            "id": "no-reply",
+            "name": "No Reply",
+            "reasoning": false,
+            "input": ["text"],
+            "cost": { "input": 0, "output": 0, "cacheRead": 0, "cacheWrite": 0 },
+            "contextWindow": 4096,
+            "maxTokens": 64
+          }
+        ]
       }
     }
+  },
+  "agents": {
+    "list": [
+      {
+        "id": "main",
+        "tools": {
+          "allow": ["whispergate"]
+        }
+      }
+    ]
   }
 }

docs/DISCORD_CONTROL.md

@@ -2,6 +2,9 @@
 
 目标：补齐 OpenClaw 内置 message 工具当前未覆盖的两个能力：
 
+> 现在可以通过 WhisperGate 插件内置的可选工具 `discord_control` 直接调用（无需手写 curl）。
+> 注意：该工具是 optional，需要在 agent tools allowlist 中显式允许（例如允许 `whispergate` 或 `discord_control`）。
+
 1. 创建指定名单可见的私人频道
 2. 查看 server 成员列表（分页）