implement backend service manager and speech transcription pipeline with supporting setup scripts

linux.sh

@@ -133,12 +133,16 @@ LLM_ROCM_PATH="$APP_DIR/llm-backend/linux/rocm/llama-server"
 LLM_SYCL_PATH="$APP_DIR/llm-backend/linux/sycl/llama-server"
 LLM_VULKAN_PATH="$APP_DIR/llm-backend/linux/vulkan/llama-server"
 LLM_CPU_PATH="$APP_DIR/llm-backend/linux/cpu/llama-server"
+SPEECH_BACKEND_PATH="$APP_DIR/speech-backend/linux/whisper-cli"
 if [[ ! -x "$CPU_BACKEND_PATH" || ! -x "$CPU_SERVER_PATH" ]] && [[ ! -x "$BACKEND_PATH" || ! -x "$VULKAN_SERVER_PATH" ]]; then
   SETUP_REASON="Linux backend binaries are missing or not executable."
 fi
 if [[ ! -x "$LLM_CUDA_PATH" && ! -x "$LLM_ROCM_PATH" && ! -x "$LLM_SYCL_PATH" && ! -x "$LLM_VULKAN_PATH" && ! -x "$LLM_CPU_PATH" ]]; then
   SETUP_REASON="Linux llama.cpp text backend is missing or not executable."
 fi
+if [[ ! -x "$SPEECH_BACKEND_PATH" ]]; then
+  SETUP_REASON="Linux whisper.cpp speech backend is missing or not executable."
+fi
 
 if [[ -n "$SETUP_REASON" ]]; then
   echo ""
@@ -216,6 +220,7 @@ echo "   Running!"
 echo "   Web UI:     http://localhost:${FRONTEND_PORT}"
 echo "   GPU API:    Auto-selected by the app (starts at 8080)"
 echo "   Text API:   Starts when a GGUF model is loaded (port ${LLM_PORT})"
+echo "   Speech:     Managed locally by the app"
 echo ""
 echo "   Press Ctrl+C in this window to stop all services."
 echo "  ============================================================"