feat: resolveChatWrapper for mistral3

It will choose the `MistralChatWrapper` if the model architecture is `mistral3`

Author: albertkawmi

src/chatWrappers/utils/resolveChatWrapper.ts

@@ -454,6 +454,8 @@ export function resolveChatWrapper(
             return createSpecializedChatWrapper(FalconChatWrapper);
         else if (arch === "gemma" || arch === "gemma2")
             return createSpecializedChatWrapper(GemmaChatWrapper);
+        else if (arch === "mistral3")
+            return createSpecializedChatWrapper(MistralChatWrapper);
     }
 
     return null;

test/standalone/chatWrappers/utils/resolveChatWrapper.test.ts

@@ -767,4 +767,34 @@ describe("resolveChatWrapper", () => {
         });
         expect(chatWrapper).to.be.instanceof(HarmonyChatWrapper);
     });
+
+    test("should resolve to MistralChatWrapper based on mistral3 architecture", () => {
+        const chatWrapper = resolveChatWrapper({
+            fileInfo: {
+                version: 3,
+                tensorCount: 0,
+                metadata: {
+                    general: {
+                        architecture: "mistral3",
+                        // eslint-disable-next-line camelcase
+                        quantization_version: "1"
+                    },
+                    tokenizer: {
+                        ggml: {
+                            model: "llama",
+                            tokens: [],
+                            // eslint-disable-next-line camelcase
+                            token_type: []
+                        }
+                    }
+                } as any,
+                metadataSize: 0,
+                architectureMetadata: {} as any,
+                splicedParts: 1,
+                totalTensorCount: 0,
+                totalMetadataSize: 0
+            }
+        });
+        expect(chatWrapper).to.be.instanceof(MistralChatWrapper);
+    });
 });