tweak: prioritize free gpt-5-mini for small model in github copilot

packages/opencode/src/provider/provider.ts

@@ -1031,7 +1031,7 @@ export namespace Provider {
       }
       if (providerID.startsWith("github-copilot")) {
         // prioritize free models for github copilot
-        priority = ["claude-haiku-4.5", "gpt-5-mini", ...priority]
+        priority = ["gpt-5-mini", "claude-haiku-4.5", ...priority]
       }
       for (const item of priority) {
         for (const model of Object.keys(provider.models)) {