chore: 简化配置文件格式，添加 Gemini 3.1 Pro 模型

oh-my-openagent.jsonc

@@ -1,89 +1,27 @@
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-openagent/dev/assets/oh-my-opencode.schema.json",
   "agents": {
-    "sisyphus": {
-      "model": "anthropic/claude-opus-4-6",
-      "variant": "max"
-    },
-    "hephaestus": {
-      "model": "openai/gpt-5.4",
-      "variant": "medium"
-    },
-    "oracle": {
-      "model": "openai/gpt-5.4",
-      "variant": "high"
-    },
-    "librarian": {
-      "model": "ai-gateway/minimax-m2.7"
-    },
-    "explore": {
-      "model": "ai-gateway/minimax-m2.7"
-    },
-    "multimodal-looker": {
-      "model": "openai/gpt-5.4",
-      "variant": "medium"
-    },
-    "prometheus": {
-      "model": "anthropic/claude-opus-4-6",
-      "variant": "max"
-    },
-    "metis": {
-      "model": "anthropic/claude-opus-4-6",
-      "variant": "max"
-    },
-    "momus": {
-      "model": "openai/gpt-5.4",
-      "variant": "xhigh"
-    },
-    "atlas": {
-      "model": "anthropic/claude-sonnet-4-6"
-    },
-    "sisyphus-junior": {
-      "model": "anthropic/claude-sonnet-4-6"
-    }
+    "sisyphus": { "model": "anthropic/claude-opus-4-6", "variant": "max" },
+    "hephaestus": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "oracle": { "model": "openai/gpt-5.4", "variant": "high" },
+    "librarian": { "model": "ai-gateway/minimax-m2.7" },
+    "explore": { "model": "ai-gateway/minimax-m2.7" },
+    "multimodal-looker": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "prometheus": { "model": "anthropic/claude-opus-4-6", "variant": "max" },
+    "metis": { "model": "anthropic/claude-opus-4-6", "variant": "max" },
+    "momus": { "model": "openai/gpt-5.4", "variant": "xhigh" },
+    "atlas": { "model": "anthropic/claude-sonnet-4-6" },
+    "sisyphus-junior": { "model": "anthropic/claude-sonnet-4-6" }
   },
   "categories": {
-    "visual-engineering": {
-      "model": "google/gemini-3.1-pro-preview",
-      "variant": "high",
-      "fallback_models": [
-        {
-          "model": "anthropic/claude-opus-4-6",
-          "variant": "max"
-        }
-      ]
-    },
-    "ultrabrain": {
-      "model": "openai/gpt-5.4",
-      "variant": "xhigh"
-    },
-    "deep": {
-      "model": "openai/gpt-5.4",
-      "variant": "medium"
-    },
-    "artistry": {
-      "model": "google/gemini-3.1-pro-preview",
-      "variant": "high",
-      "fallback_models": [
-        {
-          "model": "anthropic/claude-opus-4-6",
-          "variant": "max"
-        }
-      ]
-    },
-    "quick": {
-      "model": "openai/gpt-5.4-mini"
-    },
-    "unspecified-low": {
-      "model": "anthropic/claude-sonnet-4-6"
-    },
-    "unspecified-high": {
-      "model": "anthropic/claude-opus-4-6",
-      "variant": "max"
-    },
-    "writing": {
-      "model": "ai-gateway/kimi-k2p5-turbo"
-    }
+    "visual-engineering": { "model": "ai-gateway/gemini-3.1-pro-preview", "variant": "high" },
+    "ultrabrain": { "model": "openai/gpt-5.4", "variant": "xhigh" },
+    "deep": { "model": "openai/gpt-5.4", "variant": "medium" },
+    "artistry": { "model": "ai-gateway/gemini-3.1-pro-preview", "variant": "high" },
+    "quick": { "model": "openai/gpt-5.4-mini" },
+    "unspecified-low": { "model": "anthropic/claude-sonnet-4-6" },
+    "unspecified-high": { "model": "anthropic/claude-opus-4-6", "variant": "max" },
+    "writing": { "model": "ai-gateway/kimi-k2p5-turbo" }
   },
   "experimental": {
     "disable_omo_env": true,
@@ -118,9 +56,6 @@
       }
     }
   },
-  "runtime_fallback": {
-    "enabled": true
-  },
   "git_master": {
     "commit_footer": false,
     "include_co_authored_by": false,