Update app.py

app.py

@@ -36,6 +36,14 @@ except Exception:
 # ------------------------------
 APP_DIR = os.getcwd()
 SESSION_FILE = "/tmp/forge_session.json"
+# --- Branding 
+LOGO_AUTOFIT   = True      # match logo height to title+subtitles stack
+LOGO_HEIGHT_PX = 200       # used only if LOGO_AUTOFIT is False
+LOGO_SCALE     = 1.0      # multiplier when auto-fitting
+LOGO_AUTOFIT   = os.getenv("FORGE_LOGO_AUTOFIT", "1") == "1" if "FORGE_LOGO_AUTOFIT" in os.environ else LOGO_AUTOFIT
+LOGO_HEIGHT_PX = int(os.getenv("FORGE_LOGO_PX", LOGO_HEIGHT_PX))
+LOGO_SCALE     = float(os.getenv("FORGE_LOGO_SCALE", LOGO_SCALE))
+
 
 # Settings live in a user cache dir (persists better than /tmp)
 CONFIG_DIR = os.path.expanduser("~/.cache/forgecaptions")
@@ -848,9 +856,8 @@ with gr.Blocks(css=BASE_CSS, title="ForgeCaptions") as demo:
 
     # ---- Header
     settings = load_settings()
-    header_html = gr.HTML(_render_header_html(settings.get("logo_auto", True),
-                                              settings.get("logo_px", 200),
-                                              settings.get("logo_scale", 1.0)))
+    header_html = gr.HTML(_render_header_html(LOGO_AUTOFIT, LOGO_HEIGHT_PX, LOGO_SCALE))
+
 
     # ---- Controls group
     with gr.Group():