Log whether HF_TOKEN is present at startup (boolean only)

Prints '[inside-out] startup: HF_TOKEN present: True/False | model: ...'
at import time so the Space logs confirm whether the secret reached the
running app. Never logs the secret value.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app.py

@@ -42,6 +42,14 @@ SESSION_SECRET = os.environ.get("SESSION_SECRET", "inside-out-dev-session-secret
 HF_MODEL =  "google/gemma-4-26B-A4B-it:deepinfra" # "openai/gpt-oss-20b", "Qwen/Qwen3.6-27B:ovhcloud" #
 SHOW_LOGIN = os.environ.get("SHOW_LOGIN", "").lower() in {"1", "true", "yes"}
 
+# Startup diagnostic (boolean only - never logs the secret value) so you can
+# confirm from the Space logs whether the HF_TOKEN secret reached the app.
+print(
+    f"[inside-out] startup: HF_TOKEN present: {bool(os.environ.get('HF_TOKEN'))} "
+    f"| model: {HF_MODEL}",
+    flush=True,
+)
+
 oauth = OAuth()
 if GOOGLE_AUTH_ENABLED:
     oauth.register(