Add connector strategy and codex media replies

src/connectors/index.js

@@ -0,0 +1,14 @@
+const { createLocalCodexConnectorStrategy } = require("./local-codex");
+
+function createConnectorStrategy(config) {
+  switch (config.type) {
+    case "local-codex":
+      return createLocalCodexConnectorStrategy(config.localCodex);
+    default:
+      throw new Error(`Unsupported connector type: ${config.type}`);
+  }
+}
+
+module.exports = {
+  createConnectorStrategy,
+};