Mem0 1.0.0 (#3545)

mem0-ts/src/oss/src/memory/index.ts

@@ -242,7 +242,12 @@ export class Memory {
     const parsedMessages = messages.map((m) => m.content).join("\n");
 
     const [systemPrompt, userPrompt] = this.customPrompt
-      ? [this.customPrompt, `Input:\n${parsedMessages}`]
+      ? [
+          this.customPrompt.toLowerCase().includes("json")
+            ? this.customPrompt
+            : `${this.customPrompt}\n\nYou MUST return a valid JSON object with a 'facts' key containing an array of strings.`,
+          `Input:\n${parsedMessages}`,
+        ]
       : getFactRetrievalMessages(parsedMessages);
 
     const response = await this.llm.generateResponse(