feat(dashscope): add qwen3.6-plus model support

Author: regisksc

src/utils/context.test.ts

@@ -114,6 +114,18 @@ test('unknown openai-compatible models still use the conservative fallback windo
   expect(getContextWindowForModel('some-unknown-3p-model')).toBe(8_000)
 })
 
+test('DashScope qwen3.6-plus uses provider-specific context and output caps', () => {
+  process.env.CLAUDE_CODE_USE_OPENAI = '1'
+  delete process.env.CLAUDE_CODE_MAX_OUTPUT_TOKENS
+
+  expect(getContextWindowForModel('qwen3.6-plus')).toBe(1_000_000)
+  expect(getModelMaxOutputTokens('qwen3.6-plus')).toEqual({
+    default: 65_536,
+    upperLimit: 65_536,
+  })
+  expect(getMaxOutputTokensForModel('qwen3.6-plus')).toBe(65_536)
+})
+
 test('DashScope qwen3.5-plus uses provider-specific context and output caps', () => {
   process.env.CLAUDE_CODE_USE_OPENAI = '1'
   delete process.env.CLAUDE_CODE_MAX_OUTPUT_TOKENS
@@ -229,6 +241,7 @@ test('DashScope models clamp oversized max output overrides to the provider limi
   process.env.CLAUDE_CODE_USE_OPENAI = '1'
   process.env.CLAUDE_CODE_MAX_OUTPUT_TOKENS = '100000'
 
+  expect(getMaxOutputTokensForModel('qwen3.6-plus')).toBe(65_536)
   expect(getMaxOutputTokensForModel('qwen3.5-plus')).toBe(65_536)
   expect(getMaxOutputTokensForModel('qwen3-coder-next')).toBe(65_536)
   expect(getMaxOutputTokensForModel('qwen3-max')).toBe(32_768)

src/utils/model/openaiContextWindows.ts

@@ -80,6 +80,7 @@ const OPENAI_CONTEXT_WINDOWS: Record<string, number> = {
   // Values sourced from: qwen3.5-plus/qwen3-coder-plus (1M), qwen3-coder-next/max (256K),
   // kimi-k2.5 (256K), MiniMax-M2.5 (192K), glm-5/glm-4.7 (198K).
   // Max output tokens: Qwen variants (64K/32K), MiniMax (24K), GLM (16K).
+  'qwen3.6-plus':           1_000_000,
   'qwen3.5-plus':           1_000_000,
   'qwen3-coder-plus':       1_000_000,
   'qwen3-coder-next':         262_144,
@@ -160,6 +161,7 @@ const OPENAI_MAX_OUTPUT_TOKENS: Record<string, number> = {
   'codestral':                   8_192,
 
   // Alibaba DashScope (Coding Plan)
+  'qwen3.6-plus':              65_536,
   'qwen3.5-plus':              65_536,
   'qwen3-coder-plus':          65_536,
   'qwen3-coder-next':          65_536,

src/utils/providerProfiles.ts

@@ -224,7 +224,7 @@ export function getProviderPresetDefaults(
         provider: 'openai',
         name: 'Alibaba Coding Plan (China)',
         baseUrl: 'https://coding.dashscope.aliyuncs.com/v1',
-        model: 'qwen3.5-plus',
+        model: 'qwen3.6-plus',
         apiKey: process.env.DASHSCOPE_API_KEY ?? '',
         requiresApiKey: true,
       }
@@ -233,7 +233,7 @@ export function getProviderPresetDefaults(
         provider: 'openai',
         name: 'Alibaba Coding Plan',
         baseUrl: 'https://coding-intl.dashscope.aliyuncs.com/v1',
-        model: 'qwen3.5-plus',
+        model: 'qwen3.6-plus',
         apiKey: process.env.DASHSCOPE_API_KEY ?? '',
         requiresApiKey: true,
       }