fix(voice-call): align plugin manifest schema with runtime config fields (#38892)

Co-authored-by: giumex <giuliano.messina@gmail.com>

extensions/voice-call/openclaw.plugin.json

@@ -249,6 +249,10 @@
         "type": "integer",
         "minimum": 1
       },
+      "staleCallReaperSeconds": {
+        "type": "integer",
+        "minimum": 0
+      },
       "silenceTimeoutMs": {
         "type": "integer",
         "minimum": 1
@@ -313,6 +317,27 @@
           }
         }
       },
+      "webhookSecurity": {
+        "type": "object",
+        "additionalProperties": false,
+        "properties": {
+          "allowedHosts": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "trustForwardingHeaders": {
+            "type": "boolean"
+          },
+          "trustedProxyIPs": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          }
+        }
+      },
       "streaming": {
         "type": "object",
         "additionalProperties": false,
@@ -341,6 +366,22 @@
           },
           "streamPath": {
             "type": "string"
+          },
+          "preStartTimeoutMs": {
+            "type": "integer",
+            "minimum": 1
+          },
+          "maxPendingConnections": {
+            "type": "integer",
+            "minimum": 1
+          },
+          "maxPendingConnectionsPerIp": {
+            "type": "integer",
+            "minimum": 1
+          },
+          "maxConnections": {
+            "type": "integer",
+            "minimum": 1
           }
         }
       },