Update ui.py

ui.py

@@ -14,6 +14,7 @@
 from datetime import datetime
 import time
 logger = logging.getLogger("Advanced Video Background Replacer")
+
 # --- UI Helpers ---
 def tail_file(path: str, lines: int = 400) -> str:
     """Read last N lines from a text file efficiently."""
@@ -25,6 +26,7 @@ def tail_file(path: str, lines: int = 400) -> str:
         return "".join(content[-lines:])
     except Exception as e:
         return f"(failed to read log: {e})"
+
 def read_file_bytes(path: str) -> bytes:
     """Read a file as bytes; return b'' if missing/error."""
     try:
@@ -34,6 +36,7 @@ def read_file_bytes(path: str) -> bytes:
             return f.read()
     except Exception:
         return b""
+
 # --- Render UI ---
 def render_ui(process_video_func):
     try:
@@ -41,16 +44,8 @@ def render_ui(process_video_func):
         with st.sidebar:
             st.subheader("System Status")
             st.markdown("**Log file:** `/tmp/app.log`")
-            # Log level control
-            log_level = st.selectbox(
-                "Log Level",
-                ["DEBUG", "INFO", "WARNING", "ERROR"],
-                index=1,  # Default: INFO
-                key="log_level_select"
-            )
-            if log_level != st.session_state.get('log_level_name', 'INFO'):
-                from streamlit_app import set_log_level
-                set_log_level(log_level)
+            # (log-level selector has been REMOVED, handled in streamlit_app.py)
+
             if st.session_state.get('gpu_available', False):
                 try:
                     import torch
@@ -194,4 +189,4 @@ def render_ui(process_video_func):
                     st.rerun()
     except Exception as e:
         logger.error(f"[UI] Render UI error: {e}", exc_info=True)
-        st.error(f"UI rendering error: {str(e)}. Check logs for details.")
+        st.error(f"UI rendering error: {str(e)}. Check logs for details.")