Add Memory Gateway agent plugin

plugins/memory-gateway-agent/openclaw.plugin.yaml

@@ -0,0 +1,26 @@
+name: memory-gateway-agent
+runtime: openclaw
+version: 0.1.0
+description: Draft OpenClaw plugin manifest for Memory Gateway v1. Adjust field names to the actual OpenClaw runtime schema before production use.
+entrypoint: memory_gateway_plugin:register
+config:
+  gateway_url: ${MEMORY_GATEWAY_URL:-http://127.0.0.1:1934}
+  api_key_env: MEMORY_GATEWAY_API_KEY
+tools:
+  - name: memory_search
+  - name: memory_append_episode
+  - name: memory_commit_session
+  - name: memory_upsert
+  - name: memory_feedback
+hooks:
+  - name: pre_llm_call
+    handler: memory_gateway_plugin.lifecycle:on_conversation_start
+  - name: post_llm_call
+    handler: memory_gateway_plugin.lifecycle:after_user_message
+  - name: session_end
+    handler: memory_gateway_plugin.lifecycle:on_session_end
+safety:
+  stores_full_raw_conversation: false
+  rejects_secrets: true
+  long_term_commit_via_evermemos: true
+