Switch default model to haiku-4-5 for cost efficiency

openclaw.json

@@ -23,7 +23,7 @@
   "agents": {
     "defaults": {
       "model": {
-        "primary": "anthropic/claude-sonnet-4-5"
+        "primary": "anthropic/claude-haiku-4-5"
       },
       "models": {
         "anthropic/claude-opus-4-5": {
@@ -31,6 +31,9 @@
         },
         "anthropic/claude-sonnet-4-5": {
           "alias": "sonnet"
+        },
+        "anthropic/claude-haiku-4-5": {
+          "alias": "haiku"
         }
       },
       "workspace": "/home/jramos/.openclaw/workspace",