fix: copy tools and prompts into image

Dockerfile

@@ -26,6 +26,8 @@ RUN --mount=type=cache,target=/home/appuser/.cache/uv,uid=1001,gid=1001 \
     uv --cache-dir=/home/appuser/.cache/uv sync --frozen --no-install-project --no-dev
 
 COPY --chown=1001 main.py main.py
+COPY --chown=1001 tools/ tools/
+COPY --chown=1001 system_instruction.txt system_instruction.txt
 
 RUN uv sync --frozen --no-cache --no-dev --compile-bytecode