feat(openai-chatgpt-auth)!: rename ChatGPT auth APIs

Add Node-only auth source helpers for SmartAI, OpenCode, and Codex credentials.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartai",
-  "version": "2.3.0",
+  "version": "3.0.0",
   "private": false,
   "description": "Provider registry and capability utilities for ai-sdk (Vercel AI SDK). Core export returns LanguageModel; subpath exports provide vision, audio, image, document and research capabilities.",
   "main": "dist_ts/index.js",
@@ -30,6 +30,10 @@
     "./research": {
       "import": "./dist_ts_research/index.js",
       "types": "./dist_ts_research/index.d.ts"
+    },
+    "./openai-chatgpt-auth": {
+      "import": "./dist_ts_openai_chatgpt_auth/index.js",
+      "types": "./dist_ts_openai_chatgpt_auth/index.d.ts"
     }
   },
   "author": "Task Venture Capital GmbH",
@@ -84,6 +88,7 @@
     "ts_image/**/*",
     "ts_document/**/*",
     "ts_research/**/*",
+    "ts_openai_chatgpt_auth/**/*",
     "dist_*/**/*",
     "assets/**/*",
     ".smartconfig.json",