feat(integrations): add @mem0/eve memory provider

Give Eve agents a first-class Mem0 recall/capture provider so they can use Mem0 in the agent loop instead of MCP.

Co-authored-by: Cursor <cursoragent@cursor.com>

integrations/eve/registry/mem0.ts

@@ -0,0 +1,11 @@
+import { mem0Provider } from "@mem0/eve";
+import { defineMemory } from "eve/memory";
+import { byPrincipal } from "eve/memory/scope";
+
+export default defineMemory({
+  description: "Recall and manage durable context for the current user.",
+  provider: mem0Provider({
+    apiKey: process.env.MEM0_API_KEY!,
+  }),
+  scope: byPrincipal,
+});