MLECO-6647: MNN Integration into LLM
- Add MNN backend support for both text and multimodal (vision + text) inference
- Introduce new
LlmChatclass to manage chat templates, payloads, and framework-specific ApplyAutoChatTemplate behavior. - Modified configuration.json to adopt a structured format with nested sections for 'model', 'runtime', 'chat', 'stopWords'.
- Updated
LlmConfigto align with the new structured configuration format.
Change-Id: Idd5940c473418402388873e1a4347f835212f706 Signed-off-by: Yunus Kalkan yunus.kalkan@arm.com