Add generic memory gateway v1

memory_gateway/skills/merge_memory_skill.py

@@ -0,0 +1,10 @@
+from .base import MemorySkill, SkillResult
+
+
+class MergeMemorySkill(MemorySkill):
+    name = "merge_memory_skill"
+    writes_long_term_memory = True
+
+    async def run(self, payload: dict) -> SkillResult:
+        return SkillResult(status="ok", output={"merged": payload.get("memory_ids", [])}, writes_long_term_memory=True)
+