feat(genai): genai_primitives parallel input/output path (#181)

CLAUDE.md

@@ -138,7 +138,7 @@ Core has NO pigeon (dropped at the 1.0 cut; its value types are hand-written in
 - **MediaPipe Web**: v0.10.27, Android/iOS: v0.10.33
 - **LiteRT-LM**: native libs from `native-v0.13.1-a` GitHub Release. Android tarball bundles the Qualcomm QNN dispatch stack and Windows tarball bundles Intel NPU dispatch (`LiteRtDispatch.dll` + OpenVino runtime + TBB) for `PreferredBackend.npu` (Qualcomm Snapdragon / Intel LunarLake/PantherLake). MTP (speculative decoding) support for Gemma 4 (#318 MTP crash fixed). (native-v0.13.1-a restores the NPU dispatch libs accidentally omitted from native-v0.13.1 — #155.)
 - **large_file_handler**: `^0.5.0` (core dep; 0.5.0 declares all 6 platforms — needed for pana platform support + the dart2wasm-clean web graph)
-- **Current Version**: core `flutter_gemma` `1.3.0`, `flutter_gemma_rag_sqlite` `1.1.0`, `flutter_gemma_rag_qdrant` `1.1.0`; `flutter_gemma_litertlm` `1.0.4`, `flutter_gemma_mediapipe` `1.0.4`, `flutter_gemma_embeddings` `1.0.1`; `flutter_gemma_agent` `0.1.0`, `flutter_gemma_builtin_ai` `0.1.0` (new)
+- **Current Version**: core `flutter_gemma` `1.3.1`, `flutter_gemma_rag_sqlite` `1.1.0`, `flutter_gemma_rag_qdrant` `1.1.0`; `flutter_gemma_litertlm` `1.1.0`, `flutter_gemma_mediapipe` `1.0.4`, `flutter_gemma_embeddings` `1.0.2`; `flutter_gemma_agent` `0.1.0`, `flutter_gemma_builtin_ai` `0.1.0` (new)
 - **0.15.2**: embedding unified on LiteRT C API via Dart FFI on all native platforms (Android + iOS + Desktop). Drops `localagents-rag` JVM dep on Android and the separate TFLite C 0.12.7 tarball on Desktop; `TensorFlowLiteC` pod no longer needed on iOS. Single source of truth for `TaskType.prefix` in Dart, fixes cross-platform embedding drift (#264).
 
 ## Platform-Specific Setup

packages/flutter_gemma/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.3.1
+- Add genai_primitives support via `package:flutter_gemma/genai.dart` — use `ChatMessage` with `InferenceChat` (#181).
+- New `sendMessage`/`generateContent` (+ streams) covering text, vision, audio, thinking, and tool calls (#181).
+
 ## 1.3.0
 - Add ModelFileType.builtIn for OS system models (Gemini Nano / Apple FM)
 

packages/flutter_gemma/DESKTOP_SUPPORT.md

@@ -96,8 +96,8 @@ No Java/JVM/JRE required.
 ```yaml
 # pubspec.yaml
 dependencies:
-  flutter_gemma: ^1.2.3            # core
-  flutter_gemma_litertlm: ^1.0.4   # .litertlm engine — required on desktop
+  flutter_gemma: ^1.3.1            # core
+  flutter_gemma_litertlm: ^1.1.0   # .litertlm engine — required on desktop
 ```
 
 ```dart