feat(grok): 回滚对 Grok 4.1 系列模型的支持

添加 grok-4.1-mini、grok-4.1-thinking 及其 nsfw 变体到可用模型列表，并更新核心映射以支持这些新模型。
同时将项目版本号更新至 2.12.9。

VERSION

@@ -1 +1 @@
-2.12.8
+2.12.9

src/providers/grok/grok-core.js

@@ -35,6 +35,8 @@ const httpsAgent = new https.Agent({
 });
 
 const CORE_MODEL_MAPPING = {
+    'grok-4.1-mini': { name: 'grok-4-1-thinking-1129', mode: 'MODEL_MODE_GROK_4_1_MINI_THINKING', modeId: 'grok-4-1-mini' },
+    'grok-4.1-thinking': { name: 'grok-4-1-thinking-1129', mode: 'MODEL_MODE_GROK_4_1_THINKING', modeId: 'grok-4-1-thinking' },
     'grok-4.20': { name: 'grok-420', mode: 'MODEL_MODE_AUTO', modeId: 'auto' },
     'grok-4.20-auto': { name: 'grok-420', mode: 'MODEL_MODE_AUTO', modeId: 'auto' },
     'grok-4.20-fast': { name: 'grok-420', mode: 'MODEL_MODE_FAST', modeId: 'fast' },

src/providers/provider-models.js

@@ -94,6 +94,8 @@ export const PROVIDER_MODELS = {
     ],
     'forward-api': [],
     'grok-custom': [
+        'grok-4.1-mini',
+        'grok-4.1-thinking',
         'grok-4.20',
         'grok-4.20-auto',
         'grok-4.20-fast',
@@ -101,6 +103,8 @@ export const PROVIDER_MODELS = {
         'grok-4.20-heavy',
         'grok-imagine-1.0',
         'grok-imagine-1.0-edit',
+        'grok-4.1-mini-nsfw',
+        'grok-4.1-thinking-nsfw',
         'grok-4.20-nsfw',
         'grok-4.20-auto-nsfw',
         'grok-4.20-fast-nsfw',