test(baseline): regenerate provider snapshot for opencode-go transports

tests/__baseline__/providers-baseline.json

@@ -708,7 +708,37 @@
   "opencode-go": {
     "baseUrl": "https://opencode.ai/zen/go/v1/chat/completions",
     "headers": {},
-    "format": "openai"
+    "format": "openai",
+    "transports": [
+      {
+        "format": "openai",
+        "baseUrl": "https://opencode.ai/zen/go/v1/chat/completions",
+        "auth": {
+          "combined": true,
+          "header": "Authorization",
+          "scheme": "bearer"
+        }
+      },
+      {
+        "format": "claude",
+        "baseUrl": "https://opencode.ai/zen/go/v1/messages",
+        "auth": {
+          "combined": true,
+          "header": "x-api-key",
+          "scheme": "raw",
+          "anthropicVersion": true
+        }
+      },
+      {
+        "format": "openai-responses",
+        "baseUrl": "https://opencode.ai/zen/go/v1/responses",
+        "auth": {
+          "combined": true,
+          "header": "Authorization",
+          "scheme": "bearer"
+        }
+      }
+    ]
   },
   "opencode": {
     "baseUrl": "https://opencode.ai",