test(app): add a golden path for mocked e2e prompts (#20593)

packages/opencode/src/provider/provider.ts

@@ -114,6 +114,12 @@ export namespace Provider {
     })
   }
 
+  function e2eURL() {
+    const url = Env.get("OPENCODE_E2E_LLM_URL")
+    if (typeof url !== "string" || url === "") return
+    return url
+  }
+
   type BundledSDK = {
     languageModel(modelId: string): LanguageModelV3
   }
@@ -1450,6 +1456,17 @@ export namespace Provider {
         if (s.models.has(key)) return s.models.get(key)!
 
         return yield* Effect.promise(async () => {
+          const url = e2eURL()
+          if (url) {
+            const language = createOpenAICompatible({
+              name: model.providerID,
+              apiKey: "test-key",
+              baseURL: url,
+            }).chatModel(model.api.id)
+            s.models.set(key, language)
+            return language
+          }
+
           const provider = s.providers[model.providerID]
           const sdk = await resolveSDK(model, s)
 

packages/opencode/src/tool/registry.ts

@@ -32,6 +32,7 @@ import { pathToFileURL } from "url"
 import { Effect, Layer, ServiceMap } from "effect"
 import { InstanceState } from "@/effect/instance-state"
 import { makeRuntime } from "@/effect/run-service"
+import { Env } from "../env"
 
 export namespace ToolRegistry {
   const log = Log.create({ service: "tool.registry" })
@@ -166,7 +167,8 @@ export namespace ToolRegistry {
           }
 
           const usePatch =
-            model.modelID.includes("gpt-") && !model.modelID.includes("oss") && !model.modelID.includes("gpt-4")
+            !!Env.get("OPENCODE_E2E_LLM_URL") ||
+            (model.modelID.includes("gpt-") && !model.modelID.includes("oss") && !model.modelID.includes("gpt-4"))
           if (tool.id === "apply_patch") return usePatch
           if (tool.id === "edit" || tool.id === "write") return !usePatch