feat(agents) : Hugging Face Inference provider first-class support and Together API fix and Direct Injection Refactor Auths [AI-assisted] (#13472)

* initial commit

* removes assesment from docs

* resolves automated review comments

* resolves lint , type , tests , refactors , and submits

* solves : why do we have to lint the tests xD

* adds greptile fixes

* solves a type error

* solves a ci error

* refactors auths

* solves a failing test after i pulled from main lol

* solves a failing test after i pulled from main lol

* resolves token naming issue to comply with better practices when using hf / huggingface

* fixes curly lints !

* fixes failing tests for google api from main

* solve merge conflicts

* solve failing tests with a defensive check 'undefined' openrouterapi key

* fix: preserve Hugging Face auth-choice intent and token behavior (#13472) (thanks @Josephrp)

* test: resolve auth-choice cherry-pick conflict cleanup (#13472)

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/commands/onboard-non-interactive/local/auth-choice.ts

@@ -23,6 +23,7 @@ import {
   applySyntheticConfig,
   applyVeniceConfig,
   applyTogetherConfig,
+  applyHuggingfaceConfig,
   applyVercelAiGatewayConfig,
   applyLitellmConfig,
   applyXaiConfig,
@@ -42,6 +43,7 @@ import {
   setXaiApiKey,
   setVeniceApiKey,
   setTogetherApiKey,
+  setHuggingfaceApiKey,
   setVercelAiGatewayApiKey,
   setXiaomiApiKey,
   setZaiApiKey,
@@ -644,6 +646,29 @@ export async function applyNonInteractiveAuthChoice(params: {
     return applyTogetherConfig(nextConfig);
   }
 
+  if (authChoice === "huggingface-api-key") {
+    const resolved = await resolveNonInteractiveApiKey({
+      provider: "huggingface",
+      cfg: baseConfig,
+      flagValue: opts.huggingfaceApiKey,
+      flagName: "--huggingface-api-key",
+      envVar: "HF_TOKEN",
+      runtime,
+    });
+    if (!resolved) {
+      return null;
+    }
+    if (resolved.source !== "profile") {
+      await setHuggingfaceApiKey(resolved.key);
+    }
+    nextConfig = applyAuthProfileConfig(nextConfig, {
+      profileId: "huggingface:default",
+      provider: "huggingface",
+      mode: "api_key",
+    });
+    return applyHuggingfaceConfig(nextConfig);
+  }
+
   if (authChoice === "custom-api-key") {
     try {
       const customAuth = parseNonInteractiveCustomApiFlags({