Allow PDF_PIPELINE_GMAIL_* env fallbacks

backend/worker/worker.py

@@ -4,6 +4,13 @@ import os
 import requests
 GIT_SHA=os.getenv('HF_REVISION','') or os.getenv('GIT_SHA','')
 
+def _alias_env(primary: str, fallback: str) -> None:
+    if (os.environ.get(primary) or "").strip():
+        return
+    fb = (os.environ.get(fallback) or "").strip()
+    if fb:
+        os.environ[primary] = fb
+
 def _upload_pdf_to_api(pdf_id, pdf_path, pdf_name):
     base = (os.environ.get("PDF_TRAINER_API_BASE") or "").strip()
     if not base:
@@ -83,6 +90,8 @@ class Settings:
 
 def load_settings() -> Settings:
     base = Path(__file__).resolve().parents[1]  # backend/
+    _alias_env("GMAIL_CREDENTIALS_JSON", "PDF_PIPELINE_GMAIL_CREDENTIALS_JSON")
+    _alias_env("GMAIL_TOKEN_JSON", "PDF_PIPELINE_GMAIL_TOKEN_JSON")
     creds = resolve_json_or_path("GMAIL_CREDENTIALS_JSON", base / "credentials.json", Path("/tmp/credentials.json"))
     token = resolve_json_or_path("GMAIL_TOKEN_JSON", base / "token.json", Path("/tmp/token.json"))