Move TG LLM classifier to Go

Dockerfile

@@ -1,3 +1,12 @@
+FROM golang:1.25-alpine AS go-builder
+
+WORKDIR /src
+
+COPY go.mod go.sum ./
+COPY cmd ./cmd
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /out/monitoring-tg-classifier ./cmd/classifier
+
 FROM python:3.11-slim
 
 ENV PYTHONUNBUFFERED=1 \
@@ -19,6 +28,8 @@ RUN pip install --upgrade pip && pip install -e .
 
 RUN mkdir -p /data/session /data/media
 
+COPY --from=go-builder /out/monitoring-tg-classifier /usr/local/bin/monitoring-tg-classifier
+
 COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
 RUN chmod +x /usr/local/bin/entrypoint.sh