fix(kimi): declare vision capability for Kimi K2.6 in all layers (#2573)

fix(kimi): declare vision capability for Kimi K2.6 in all layers — registry, modelSpecs, catalog API, and Playground UI. Adds test for vision resolution via id and alias. (#2573 — thanks @herjarsa)

open-sse/config/providerRegistry.ts

@@ -146,7 +146,7 @@ const KIMI_CODING_SHARED = {
     "Anthropic-Version": ANTHROPIC_VERSION_HEADER,
   },
   models: [
-    { id: "kimi-k2.6", name: "Kimi K2.6", contextLength: 262144, maxOutputTokens: 262144 },
+    { id: "kimi-k2.6", name: "Kimi K2.6", contextLength: 262144, maxOutputTokens: 262144, supportsVision: true },
     {
       id: "kimi-k2.6-thinking",
       name: "Kimi K2.6 Thinking",

src/app/(dashboard)/dashboard/playground/page.tsx

@@ -128,6 +128,7 @@ const VISION_MODELS = [
   "qwen-vl",
   "qvq",
   "mistral-pixtral",
+  "kimi",
 ];
 
 function isVisionModel(modelId: string): boolean {

src/app/api/v1/models/catalog.ts

@@ -126,8 +126,8 @@ const VISION_MODEL_KEYWORDS = [
   "glm-4.5v",
   "vision",
   "multimodal",
+  "kimi",
 ];
-
 function isVisionModelId(modelId: string): boolean {
   const normalized = String(modelId || "").toLowerCase();
   if (!normalized) return false;

src/shared/constants/modelSpecs.ts

@@ -179,6 +179,7 @@ export const MODEL_SPECS: Record<string, ModelSpec> = {
     contextWindow: 262144,
     supportsThinking: true,
     supportsTools: true,
+    supportsVision: true,
     aliases: ["kimi-k2.6-thinking", "kimi-for-coding"],
   },
 

tests/unit/model-capabilities-registry.test.ts

@@ -132,3 +132,16 @@ test("GPT OSS and DeepSeek Reasoner models support tool calling", () => {
   const deepseek = modelCapabilities.getResolvedModelCapabilities("deepseek/deepseek-reasoner");
   assert.equal(deepseek.toolCalling, true);
 });
+
+test("Kimi K2.6 supports vision capability", () => {
+  const kimi = modelCapabilities.getResolvedModelCapabilities("kimi-k2.6");
+  assert.equal(kimi.supportsVision, true);
+  assert.equal(kimi.supportsThinking, true);
+  assert.equal(kimi.supportsTools, true);
+  assert.equal(kimi.contextWindow, 262144);
+  assert.equal(kimi.maxOutputTokens, 262144);
+
+  // Also test via alias
+  const kimiThinking = modelCapabilities.getResolvedModelCapabilities("kimi-k2.6-thinking");
+  assert.equal(kimiThinking.supportsVision, true);
+});