feat: update /model to include 'deepseek-v4-flash-vision-exp'

Author: qorzj

packages/cli/src/tests/models-dropdown.test.ts

@@ -1,6 +1,10 @@
 import { test } from "node:test";
 import assert from "node:assert/strict";
-import { getThinkingOptionIndex, MODEL_COMMAND_THINKING_OPTIONS } from "../ui";
+import { getThinkingOptionIndex, MODEL_COMMAND_MODELS, MODEL_COMMAND_THINKING_OPTIONS } from "../ui";
+
+test("model dropdown offers supported DeepSeek models", () => {
+  assert.deepEqual(MODEL_COMMAND_MODELS, ["deepseek-v4-pro", "deepseek-v4-flash", "deepseek-v4-flash-vision-exp"]);
+});
 
 test("model dropdown offers all reasoning effort levels", () => {
   assert.deepEqual(

packages/cli/src/ui/components/ModelsDropdown/index.tsx

@@ -11,7 +11,7 @@ type ThinkingModeOption = {
   reasoningEffort?: ReasoningEffort;
 };
 
-export const MODEL_COMMAND_MODELS = ["deepseek-v4-pro", "deepseek-v4-flash"] as const;
+export const MODEL_COMMAND_MODELS = ["deepseek-v4-pro", "deepseek-v4-flash", "deepseek-v4-flash-vision-exp"] as const;
 
 export const MODEL_COMMAND_THINKING_OPTIONS: ThinkingModeOption[] = [
   { label: "Thinking mode [max]", thinkingEnabled: true, reasoningEffort: "max" },

packages/core/src/common/model-capabilities.ts

@@ -1,4 +1,4 @@
-export const DEEPSEEK_V4_MODELS = new Set(["deepseek-v4-flash", "deepseek-v4-pro"]);
+export const DEEPSEEK_V4_MODELS = new Set(["deepseek-v4-flash", "deepseek-v4-pro", "deepseek-v4-flash-vision-exp"]);
 
 export const NON_MULTIMODAL_MODELS = new Set([
   "deepseek-v4-pro",

packages/core/src/tests/openai-message-converter.test.ts

@@ -84,7 +84,10 @@ test("OpenAIMessageConverter preserves image content for multimodal models", ()
     }),
   ];
 
-  const result = c.buildMessages(messages, false, "gpt-4o") as Array<{ role: string; content: unknown }>;
+  const result = c.buildMessages(messages, false, "deepseek-v4-flash-vision-exp") as Array<{
+    role: string;
+    content: unknown;
+  }>;
 
   assert.equal(result.length, 1);
   assert.equal(result[0]?.role, "system");

packages/core/src/tests/settings-and-notify.test.ts

@@ -223,7 +223,7 @@ test("resolveSettings derives model-specific context window defaults", () => {
     TEST_PROCESS_ENV
   );
   const deepseekV4 = resolveSettings(
-    { model: "deepseek-v4-pro" },
+    { model: "deepseek-v4-flash-vision-exp" },
     { model: "default-model", baseURL: "https://default.example.com" },
     TEST_PROCESS_ENV
   );
@@ -550,7 +550,7 @@ test("resolveSettings defaults DeepSeek v4 models to thinking mode", () => {
   const resolved = resolveSettings(
     {
       env: {
-        MODEL: "deepseek-v4-flash",
+        MODEL: "deepseek-v4-flash-vision-exp",
       },
     },
     {