Sync project structure and apply feature updates

- Move files from remote_copy/ to root (proper project structure)
- Add Docker setup: Dockerfile, docker-compose.yml with volume mounts
- Auto-reply: fix skip logic (only text field, not pros/cons)
- Auto-reply: fix _paginate to handle cooldown gracefully mid-pagination
- Auto-reply: fix fetch timestamp not saved on API error (infinite retry loop)
- Auto-reply: reduce EMPTY_REMAINING_FALLBACK from 600s to 150s default
- UI: add auto-reply queue display with article number (nm_id)
- UI: replace button with CSS tumbler toggle for auto-reply
- UI: add review_created_at and review_id columns to journal
- UI: add skipped/sent/error status colors to journal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,14 @@
+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    FLASK_PORT=5000
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["python", "app.py"]