feat(featherless): add OpenAI-compatible provider presets

Co-authored-by: Cursor <cursoragent@cursor.com>

open-sse/providers/registry/featherless.js

@@ -0,0 +1,34 @@
+export default {
+  id: "featherless",
+  priority: 65,
+  alias: "featherless",
+  aliases: [
+    "fl",
+  ],
+  uiAlias: "fl",
+  display: {
+    name: "Featherless",
+    icon: "flutter_dash",
+    color: "#111827",
+    textIcon: "FL",
+    website: "https://featherless.ai",
+    notice: {
+      apiKeyUrl: "https://featherless.ai/account/api-keys",
+    },
+  },
+  category: "apikey",
+  authType: "apikey",
+  transport: {
+    baseUrl: "https://api.featherless.ai/v1/chat/completions",
+    validateUrl: "https://api.featherless.ai/v1/models",
+  },
+  models: [
+    { id: "deepseek-ai/DeepSeek-V4-Pro", name: "DeepSeek V4 Pro" },
+    { id: "deepseek-ai/DeepSeek-V4-Flash", name: "DeepSeek V4 Flash" },
+    { id: "zai-org/GLM-5.2", name: "GLM 5.2" },
+    { id: "zai-org/GLM-5.1", name: "GLM 5.1" },
+    { id: "moonshotai/Kimi-K2.7-Code", name: "Kimi K2.7 Code" },
+    { id: "moonshotai/Kimi-K2.6", name: "Kimi K2.6" },
+    { id: "moonshotai/Kimi-K2.5", name: "Kimi K2.5" },
+  ],
+};