Mark which models are eligible for turbo edits (#172)

src/ipc/ipc_types.ts

@@ -162,6 +162,7 @@ export type LanguageModel =
       tag?: string;
       maxOutputTokens?: number;
       contextWindow?: number;
+      supportsTurboEdits?: boolean;
       type: "local" | "cloud";
     };
 

src/ipc/shared/language_model_helpers.ts

@@ -13,6 +13,7 @@ export interface ModelOption {
   tag?: string;
   maxOutputTokens?: number;
   contextWindow?: number;
+  supportsTurboEdits?: boolean;
 }
 
 export const MODEL_OPTIONS: Record<string, ModelOption[]> = {
@@ -24,6 +25,7 @@ export const MODEL_OPTIONS: Record<string, ModelOption[]> = {
       description: "OpenAI's flagship model",
       maxOutputTokens: 32_768,
       contextWindow: 1_047_576,
+      supportsTurboEdits: true,
     },
     // https://platform.openai.com/docs/models/gpt-4.1-mini
     {
@@ -50,6 +52,7 @@ export const MODEL_OPTIONS: Record<string, ModelOption[]> = {
       description: "Excellent coder",
       maxOutputTokens: 64_000,
       contextWindow: 200_000,
+      supportsTurboEdits: true,
     },
     {
       name: "claude-3-5-haiku-20241022",
@@ -69,6 +72,7 @@ export const MODEL_OPTIONS: Record<string, ModelOption[]> = {
       maxOutputTokens: 65_536 - 1,
       // Gemini context window = input token + output token
       contextWindow: 1_048_576,
+      supportsTurboEdits: true,
     },
     // https://ai.google.dev/gemini-api/docs/models#gemini-2.5-flash-preview
     {

src/ipc/utils/findLanguageModel.ts

+import { LargeLanguageModel } from "@/lib/schemas";
+import { LanguageModel } from "../ipc_types";
+import { getLanguageModels } from "../shared/language_model_helpers";
+
+export async function findLanguageModel(
+  model: LargeLanguageModel,
+): Promise<LanguageModel | undefined> {
+  const models = await getLanguageModels({
+    providerId: model.provider,
+  });
+
+  if (model.customModelId) {
+    const customModel = models.find(
+      (m) => m.type === "custom" && m.id === model.customModelId,
+    );
+    if (customModel) {
+      return customModel;
+    }
+  }
+
+  return models.find((m) => m.apiName === model.name);
+}

src/ipc/utils/get_model_client.ts

@@ -12,6 +12,7 @@ import { getLanguageModelProviders } from "../shared/language_model_helpers";
 import { LanguageModelProvider } from "../ipc_types";
 import { llmErrorStore } from "@/main/llm_error_store";
 import { createDyadEngine } from "./llm_engine_provider";
+import { findLanguageModel } from "./findLanguageModel";
 
 const dyadLocalEngine = process.env.DYAD_LOCAL_ENGINE;
 const dyadGatewayUrl = process.env.DYAD_GATEWAY_URL;
@@ -99,7 +100,14 @@ export async function getModelClient(
     // Check if the selected provider supports Dyad Pro (has a gateway prefix) OR
     // we're using local engine.
     if (providerConfig.gatewayPrefix || dyadLocalEngine) {
-      const provider = settings.enableProLazyEditsMode
+      const languageModel = await findLanguageModel(model);
+      // Currently engine is only used for turbo edits.
+      const isEngineEnabled = Boolean(
+        settings.enableProLazyEditsMode &&
+          languageModel?.type === "cloud" &&
+          languageModel?.supportsTurboEdits,
+      );
+      const provider = isEngineEnabled
         ? createDyadEngine({
             apiKey: dyadApiKey,
             baseURL: dyadLocalEngine ?? "https://engine.dyad.sh/v1",
@@ -109,9 +117,7 @@ export async function getModelClient(
             baseURL: dyadGatewayUrl ?? "https://llm-gateway.dyad.sh/v1",
           });
 
-      logger.info(
-        `Using Dyad Pro API key. engine_enabled=${settings.enableProLazyEditsMode}`,
-      );
+      logger.info(`Using Dyad Pro API key. engine_enabled=${isEngineEnabled}`);
       // Do not use free variant (for openrouter).
       const modelName = model.name.split(":free")[0];
       const autoModelClient = {

src/ipc/utils/token_utils.ts

@@ -2,7 +2,7 @@ import { LargeLanguageModel } from "@/lib/schemas";
 import { readSettings } from "../../main/settings";
 import { Message } from "../ipc_types";
 
-import { getLanguageModels } from "../shared/language_model_helpers";
+import { findLanguageModel } from "./findLanguageModel";
 
 // Estimate tokens (4 characters per token)
 export const estimateTokens = (text: string): number => {
@@ -31,20 +31,3 @@ export async function getMaxTokens(model: LargeLanguageModel) {
   const modelOption = await findLanguageModel(model);
   return modelOption?.maxOutputTokens || DEFAULT_MAX_TOKENS;
 }
-
-async function findLanguageModel(model: LargeLanguageModel) {
-  const models = await getLanguageModels({
-    providerId: model.provider,
-  });
-
-  if (model.customModelId) {
-    const customModel = models.find(
-      (m) => m.type === "custom" && m.id === model.customModelId,
-    );
-    if (customModel) {
-      return customModel;
-    }
-  }
-
-  return models.find((m) => m.apiName === model.name);
-}