feat(examples): add Codex memory plugin example

examples/codex-memory-plugin/.codex-plugin/plugin.json

@@ -0,0 +1,17 @@
+{
+  "name": "openviking-memory",
+  "description": "Long-term OpenViking memory for Codex. Transparent recall and capture via hooks, plus explicit OpenViking memory tools via MCP.",
+  "interface": {
+    "displayName": "OpenViking Memory",
+    "shortDescription": "Transparent long-term memory for Codex",
+    "longDescription": "Adds transparent OpenViking recall and capture hooks for Codex, plus explicit OpenViking memory tools for manual store, recall, forget, and health operations.",
+    "developerName": "OpenViking",
+    "category": "productivity",
+    "capabilities": [
+      "Long-term memory recall",
+      "Automatic memory capture",
+      "Manual memory inspection and deletion"
+    ],
+    "websiteURL": "https://github.com/volcengine/OpenViking"
+  }
+}

examples/codex-memory-plugin/.mcp.json

@@ -0,0 +1,14 @@
+{
+  "mcpServers": {
+    "openviking-memory": {
+      "command": "node",
+      "args": [
+        "scripts/start-memory-server.mjs"
+      ],
+      "cwd": ".",
+      "env": {
+        "OPENVIKING_CONFIG_FILE": "${OPENVIKING_CONFIG_FILE:-}"
+      }
+    }
+  }
+}