fix: ship updatable 1.1.1 source archives

Package a clean shallow main checkout with credential-free Gitea remote, localize the China launcher, and set the new-install Responses endpoint.

artemis/utils/credentials_validator.py

@@ -115,9 +115,9 @@ async def validate_api_key(
                 return False, f"Vision OCR API verification failed ({resp.status_code}): {err_msg}"
 
             elif clean_provider == "openai":
-                base = (base_url or settings.OPENAI_BASE_URL or "https://api.openai.com/v1").rstrip(
-                    "/"
-                )
+                base = (
+                    base_url or settings.OPENAI_BASE_URL or "https://api-n-cd.playones.com/v1"
+                ).rstrip("/")
                 resp = await client.post(
                     f"{base}/responses",
                     headers={"Authorization": f"Bearer {clean_key}"},