Fix: Revert unsupported video input type in provider config

openclaw.json.template

@@ -19,8 +19,8 @@
         "apiKey": "$ANTIGRAVITY_API_KEY",
         "api": "openai-completions",
         "models": [
-          { "id": "gemini-3-flash", "name": "gemini-3-flash", "contextWindow": 1000000, "input": ["text", "image", "video"] },
-          { "id": "gemini-3-pro", "name": "gemini-3-pro", "contextWindow": 1000000, "input": ["text", "image", "video"] },
+          { "id": "gemini-3-flash", "name": "gemini-3-flash", "contextWindow": 1000000, "input": ["text", "image"] },
+          { "id": "gemini-3-pro", "name": "gemini-3-pro", "contextWindow": 1000000, "input": ["text", "image"] },
           { "id": "gemini-3-pro-image", "name": "gemini-3-pro-image", "contextWindow": 128000, "input": ["text"] }
         ]
       },
@@ -50,6 +50,7 @@
       },
       "video": {
         "enabled": true,
+        "maxBytes": 20971520,
         "models": [
           { "provider": "antigravity", "model": "gemini-3-flash" }
         ]