fix: undo change that used anthropic messages endpoint for anthropic models on copilot due to ratelimiting issues, go back to completions endpoint instead

Author: rekram1-node

packages/opencode/src/plugin/copilot.ts

@@ -40,22 +40,25 @@ export async function CopilotAuthPlugin(input: PluginInput): Promise<Hooks> {
               },
             }
 
+            // TODO: re-enable once messages api has higher rate limits
             // TODO: move some of this hacky-ness to models.dev presets once we have better grasp of things here...
-            const base = baseURL ?? model.api.url
-            const claude = model.id.includes("claude")
-            const url = iife(() => {
-              if (!claude) return base
-              if (base.endsWith("/v1")) return base
-              if (base.endsWith("/")) return `${base}v1`
-              return `${base}/v1`
-            })
-
-            model.api.url = url
-            model.api.npm = claude ? "@ai-sdk/anthropic" : "@ai-sdk/github-copilot"
+            // const base = baseURL ?? model.api.url
+            // const claude = model.id.includes("claude")
+            // const url = iife(() => {
+            //   if (!claude) return base
+            //   if (base.endsWith("/v1")) return base
+            //   if (base.endsWith("/")) return `${base}v1`
+            //   return `${base}/v1`
+            // })
+
+            // model.api.url = url
+            // model.api.npm = claude ? "@ai-sdk/anthropic" : "@ai-sdk/github-copilot"
+            model.api.npm = "@ai-sdk/github-copilot"
           }
         }
 
         return {
+          baseURL,
           apiKey: "",
           async fetch(request: RequestInfo | URL, init?: RequestInit) {
             const info = await getAuth()