fix(qqbot): harden clientSecret SecretRefs

docs/channels/qqbot.md

@@ -102,6 +102,8 @@ Notes:
 - `openclaw channels add --channel qqbot --token-file ...` provides the
   AppSecret only; the AppID must already be set in config or `QQBOT_APP_ID`.
 - `clientSecret` also accepts SecretRef input, not just a plaintext string.
+- Legacy `secretref:/...` marker strings are not valid `clientSecret` values;
+  use structured SecretRef objects like the example above.
 
 ### Multi-account setup
 

docs/reference/secretref-credential-surface.md

@@ -90,8 +90,6 @@ Scope intent:
 - `channels.feishu.accounts.*.appSecret`
 - `channels.feishu.accounts.*.encryptKey`
 - `channels.feishu.accounts.*.verificationToken`
-- `channels.qqbot.clientSecret`
-- `channels.qqbot.accounts.*.clientSecret`
 - `channels.msteams.appPassword`
 - `channels.mattermost.botToken`
 - `channels.mattermost.accounts.*.botToken`

docs/reference/secretref-user-supplied-credentials-matrix.json

@@ -281,20 +281,6 @@
       "secretShape": "secret_input",
       "optIn": true
     },
-    {
-      "id": "channels.qqbot.accounts.*.clientSecret",
-      "configFile": "openclaw.json",
-      "path": "channels.qqbot.accounts.*.clientSecret",
-      "secretShape": "secret_input",
-      "optIn": true
-    },
-    {
-      "id": "channels.qqbot.clientSecret",
-      "configFile": "openclaw.json",
-      "path": "channels.qqbot.clientSecret",
-      "secretShape": "secret_input",
-      "optIn": true
-    },
     {
       "id": "channels.slack.accounts.*.appToken",
       "configFile": "openclaw.json",