diff --git a/oh-my-openagent.jsonc b/oh-my-openagent.jsonc
index b02daf5..ddc8430 100644
--- a/oh-my-openagent.jsonc
+++ b/oh-my-openagent.jsonc
@@ -1,27 +1,89 @@
 {
   "$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" },
-    "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" },
-    "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-k2.5" }
+    "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-k2.5"
+    }
   },
   "experimental": {
     "disable_omo_env": true,
@@ -42,9 +104,17 @@
         "session_search"
       ],
       "strategies": {
-        "deduplication": { "enabled": true },
-        "supersede_writes": { "enabled": true, "aggressive": false },
-        "purge_errors": { "enabled": true, "turns": 5 }
+        "deduplication": {
+          "enabled": true
+        },
+        "supersede_writes": {
+          "enabled": true,
+          "aggressive": false
+        },
+        "purge_errors": {
+          "enabled": true,
+          "turns": 5
+        }
       }
     }
   },