Fix Docker build for modular llm-manager

Dockerfile

@@ -52,7 +52,9 @@ RUN git clone --depth 1 --branch ${LLAMA_CPP_REF} https://github.com/ggerganov/l
         -DLLAMA_OPENSSL=ON && \
     cmake --build build --config Release --target llama-server -j"${JOBS}" && \
     echo "=== Binary dependencies ===" && \
-    ldd build/bin/llama-server || true
+    ldd build/bin/llama-server || true && \
+    mkdir -p /build/llama-libs && \
+    find build -type f \( -name '*.so' -o -name '*.so.*' \) -exec cp -v {} /build/llama-libs/ \; || true
 
 # Build C++ manager (Boost.Beast + JSON)
 COPY cpp/ /build/cpp/
@@ -83,7 +85,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 # Copy llama-server binary and all shared libraries from builder
 COPY --from=builder /build/llama.cpp/build/bin/llama-server /usr/local/bin/llama-server
-COPY --from=builder /build/llama.cpp/build/bin/*.so.* /usr/local/lib/
+COPY --from=builder /build/llama-libs/ /usr/local/lib/
 COPY --from=builder /build/llm-manager /usr/local/bin/llm-manager
 
 # Update library cache

cpp/runtime_components.h

@@ -4,6 +4,7 @@
 
 #include <deque>
 #include <memory>
+#include <optional>
 #include <thread>
 #include <unordered_map>