udpates to flow and nfo manager for TV

Dockerfile

@@ -1,9 +1,13 @@
 FROM python:3.11-slim
 
+# Build argument for git branch
+ARG GIT_BRANCH=main
+
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
-    PYTHONIOENCODING=utf-8
+    PYTHONIOENCODING=utf-8 \
+    GIT_BRANCH=${GIT_BRANCH}
 
 # Install system dependencies including PostgreSQL client libraries
 RUN apt-get update && apt-get install -y \
@@ -24,6 +28,10 @@ RUN pip install --no-cache-dir --upgrade pip && \
 # Copy application code
 COPY . .
 
+# Create git metadata for version detection based on build arg
+RUN mkdir -p .git && \
+    echo "ref: refs/heads/${GIT_BRANCH}" > .git/HEAD
+
 # Copy DLL to a dedicated directory and create entrypoint script
 RUN mkdir -p /app/emby-plugin && \
     cp /app/Emby-DLL/NFOGuard.Emby.Plugin.dll /app/emby-plugin/ && \