Refactor RAG terminology to "pipeline" across scripts and source files for consistency. Update comments and logging messages to reflect the change from "backend" to "pipeline". Remove unused React Native package files related to RAG.

Author: sanchitmonga22

sdk/runanywhere-commons/scripts/build-android.sh

@@ -723,7 +723,7 @@ if [ "$BUILD_WHISPERCPP" = "ON" ]; then
     done
 fi
 
-echo "├── rag/                      # RAG backend libraries"
+echo "├── rag/                      # RAG pipeline libraries"
 for ABI in "${ABI_ARRAY[@]}"; do
     echo "│   └── ${ABI}/"
     echo "│       ├── librac_backend_rag.so"

sdk/runanywhere-commons/scripts/build-ios.sh

@@ -15,7 +15,7 @@
 #   --backend NAME      Build specific backend: llamacpp, onnx, rag, all (default: all)
 #                       - llamacpp: LLM text generation (GGUF models)
 #                       - onnx: STT/TTS/VAD (Sherpa-ONNX models)
-#                       - rag: RAG backend with embeddings and text generation
+#                       - rag: RAG pipeline with embeddings and text generation
 #                       - all: All backends (default)
 #   --clean             Clean build directories first
 #   --release           Release build (default)
@@ -42,7 +42,7 @@
 #   # Build only ONNX backend (speech-to-text/text-to-speech)
 #   ./scripts/build-ios.sh --backend onnx
 #
-#   # Build only RAG backend (embeddings + text generation)
+#   # Build only RAG pipeline (embeddings + text generation)
 #   ./scripts/build-ios.sh --backend rag
 #
 #   # Build only RACommons (no backends)

sdk/runanywhere-commons/src/features/rag/jni/rac_rag_jni.cpp

@@ -1,8 +1,8 @@
 /**
  * @file rac_backend_rag_jni.cpp
- * @brief RunAnywhere Core - RAG Backend JNI Bridge
+ * @brief RunAnywhere Core - RAG Pipeline JNI Bridge
  *
- * Self-contained JNI layer for the RAG backend.
+ * Self-contained JNI layer for the RAG pipeline.
  *
  * Package: com.runanywhere.sdk.rag
  * Class: RAGBridge
@@ -89,11 +89,11 @@ Java_com_runanywhere_sdk_rag_RAGBridge_nativeRegister(JNIEnv* env, jclass clazz)
     rac_result_t result = rac_backend_rag_register();
 
     if (result != RAC_SUCCESS && result != RAC_ERROR_MODULE_ALREADY_REGISTERED) {
-        LOGe("Failed to register RAG backend: %d", result);
+        LOGe("Failed to register RAG pipeline: %d", result);
         return static_cast<jint>(result);
     }
 
-    LOGi("RAG backend registered successfully");
+    LOGi("RAG pipeline registered successfully");
     return RAC_SUCCESS;
 }
 
@@ -106,9 +106,9 @@ Java_com_runanywhere_sdk_rag_RAGBridge_nativeUnregister(JNIEnv* env, jclass claz
     rac_result_t result = rac_backend_rag_unregister();
 
     if (result != RAC_SUCCESS) {
-        LOGe("Failed to unregister RAG backend: %d", result);
+        LOGe("Failed to unregister RAG pipeline: %d", result);
     } else {
-        LOGi("RAG backend unregistered");
+        LOGi("RAG pipeline unregistered");
     }
 
     return static_cast<jint>(result);

sdk/runanywhere-commons/src/features/rag/rac_rag_pipeline.cpp

@@ -82,7 +82,7 @@ rac_result_t rac_rag_pipeline_create(
             bc, llm_service, embeddings_service, false);
 
         if (!pipeline->backend->is_initialized()) {
-            LOGE("RAG backend failed to initialize");
+            LOGE("RAG pipeline failed to initialize");
             return RAC_ERROR_INITIALIZATION_FAILED;
         }
 
@@ -153,7 +153,7 @@ rac_result_t rac_rag_pipeline_create_standalone(
             bc, llm_handle, embed_handle, true);
 
         if (!pipeline->backend->is_initialized()) {
-            LOGE("RAG backend failed to initialize");
+            LOGE("RAG pipeline failed to initialize");
             return RAC_ERROR_INITIALIZATION_FAILED;
         }
 

sdk/runanywhere-commons/src/features/rag/rag_backend.cpp

@@ -142,14 +142,12 @@ bool RAGBackend::add_document(const std::string& text, const nlohmann::json& met
 std::vector<SearchResult> RAGBackend::search(const std::string& query_text, size_t top_k) const {
     size_t embedding_dimension;
     float similarity_threshold;
-    bool initialized;
     const DocumentChunker* chunker;
 
     {
         std::lock_guard<std::mutex> lock(mutex_);
         embedding_dimension = config_.embedding_dimension;
         similarity_threshold = config_.similarity_threshold;
-        initialized = initialized_;
         chunker = chunker_.get();
     }
 

sdk/runanywhere-commons/tests/CMakeLists.txt

@@ -110,7 +110,7 @@ if(UNIX AND NOT APPLE)
 endif()
 
 # =============================================================================
-# RAG Backend Tests (GoogleTest)
+# RAG Pipeline Tests (GoogleTest)
 # =============================================================================
 
 if(RAC_BACKEND_RAG AND TARGET rac_backend_rag)
@@ -127,7 +127,7 @@ if(RAC_BACKEND_RAG AND TARGET rac_backend_rag)
     set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
     FetchContent_MakeAvailable(googletest)
 
-    # RAG backend thread safety test
+    # RAG pipeline thread safety test
     add_executable(rac_rag_backend_thread_safety_test
         rag_backend_thread_safety_test.cpp
     )

sdk/runanywhere-flutter/packages/runanywhere/lib/native/dart_bridge_rag.dart

@@ -7,7 +7,6 @@
 /// LLM and Embeddings services for Retrieval-Augmented Generation.
 library dart_bridge_rag;
 
-import 'dart:convert';
 import 'dart:ffi';
 
 import 'package:ffi/ffi.dart';

sdk/runanywhere-kotlin/scripts/build-kotlin.sh

@@ -417,7 +417,7 @@ copy_jni_libs() {
         fi
 
         # =======================================================================
-        # RAG Module: Backend + JNI bridge
+        # RAG Pipeline: Native libs + JNI bridge
         # =======================================================================
         # Copy backend library
         if [ -f "${COMMONS_DIST}/rag/${ABI}/librac_backend_rag.so" ]; then

sdk/runanywhere-kotlin/src/jvmAndroidMain/kotlin/com/runanywhere/sdk/public/extensions/RunAnywhere+RAG.jvmAndroid.kt

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  *
  * JVM/Android actual implementations for Retrieval-Augmented Generation (RAG) operations.
- * Dispatches to RAG JNI (librac_backend_rag_jni) which calls the C++ rac_rag_* backend.
+ * Dispatches to RAG JNI (librac_backend_rag_jni) which calls the C++ rac_rag_* pipeline.
  *
  * Mirrors Swift RunAnywhere+RAG.swift + CppBridge.RAG exactly.
  */
@@ -63,7 +63,7 @@ actual suspend fun RunAnywhere.ragCreatePipeline(config: RAGConfiguration) {
         if (!RAGBridge.nativeIsRegistered()) {
             val regResult = RAGBridge.nativeRegister()
             if (regResult != 0) { // 0 is RAC_SUCCESS
-                throw IllegalStateException("Failed to register RAG backend. Error code: $regResult")
+                throw IllegalStateException("Failed to register RAG pipeline. Error code: $regResult")
             }
         }
 
@@ -168,7 +168,7 @@ actual suspend fun RunAnywhere.ragQuery(question: String, options: RAGQueryOptio
         )
 
         if (jsonString.isBlank()) {
-            throw IllegalStateException("RAG query failed — empty response from native backend")
+            throw IllegalStateException("RAG query failed — empty response from native pipeline")
         }
 
         ragJson.decodeFromString<RawRAGResult>(jsonString)

sdk/runanywhere-kotlin/src/jvmAndroidMain/kotlin/com/runanywhere/sdk/rag/RAGBridge.kt

@@ -4,8 +4,8 @@
  *
  * RAG Native Bridge
  *
- * Self-contained JNI bridge for the RAG backend module.
- * This mirrors the Swift RAGBackend XCFramework architecture.
+ * Self-contained JNI bridge for the RAG pipeline module.
+ * This mirrors the Swift RAG pipeline XCFramework architecture.
  *
  * The native library (librac_backend_rag_jni.so) contains:
  * - rac_backend_rag_register()
@@ -18,7 +18,7 @@ package com.runanywhere.sdk.rag
 import com.runanywhere.sdk.foundation.SDKLogger
 
 /**
- * Native bridge for RAG backend registration and pipeline operations.
+ * Native bridge for RAG pipeline registration and operations.
  *
  * This object handles loading the RAG-specific JNI library and provides
  * JNI methods for backend registration with the C++ service registry,
@@ -83,23 +83,23 @@ object RAGBridge {
     // ==========================================================================
 
     /**
-     * Register the RAG backend with the C++ service registry.
+     * Register the RAG pipeline with the C++ service registry.
      *
      * @return 0 (RAC_SUCCESS) on success, error code on failure
      */
     @JvmStatic
     external fun nativeRegister(): Int
 
     /**
-     * Unregister the RAG backend from the C++ service registry.
+     * Unregister the RAG pipeline from the C++ service registry.
      *
      * @return 0 (RAC_SUCCESS) on success, error code on failure
      */
     @JvmStatic
     external fun nativeUnregister(): Int
 
     /**
-     * Check if the RAG backend is registered.
+     * Check if the RAG pipeline is registered.
      *
      * @return true if registered
      */