update model config

- made glm-5.3 the default
- added glm-5.3-flash as the small default
- replaced glm-5.2 with mistral glm-5.2
- dropped sonnet

config/opencode/opencode.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://opencode.ai/config.json",
-  "model": "weave/glm-5.2",
+  "model": "weave/glm-5.3",
-  "small_model": "weave/glm-5.2",
+  "small_model": "weave/glm-5.3-flash",
   "lsp": {
     "typescript": {
       "command": [
@@ -41,9 +41,19 @@
         "kimi-K2.7-code": {
           "tools": true
         },
-        "glm-5.2": {
+        "glm-5.3": {
           "tools": true
         },
+        "glm-5.3-flash": {
+          "tools": true
+        },
+        "mistral-glm-5.2": {
+          "tools": true,
+          "reasoning": true,
+          "options": {
+            "reasoningEffort": "xhigh"
+          }
+        },
         "devstral": {
           "tools": true
         },
@@ -52,9 +62,6 @@
         },
         "mistral-medium": {
           "tools": true
-        },
-        "claude-sonnet": {
-          "tools": true
         }
       }
     }