refactor: streamline provider interactions and enhance error handling

open-sse/executors/index.js

@@ -0,0 +1,28 @@
+import { AntigravityExecutor } from "./antigravity.js";
+import { GeminiCLIExecutor } from "./gemini-cli.js";
+import { GithubExecutor } from "./github.js";
+import { DefaultExecutor } from "./default.js";
+
+const executors = {
+  antigravity: new AntigravityExecutor(),
+  "gemini-cli": new GeminiCLIExecutor(),
+  github: new GithubExecutor()
+};
+
+const defaultCache = new Map();
+
+export function getExecutor(provider) {
+  if (executors[provider]) return executors[provider];
+  if (!defaultCache.has(provider)) defaultCache.set(provider, new DefaultExecutor(provider));
+  return defaultCache.get(provider);
+}
+
+export function hasSpecializedExecutor(provider) {
+  return !!executors[provider];
+}
+
+export { BaseExecutor } from "./base.js";
+export { AntigravityExecutor } from "./antigravity.js";
+export { GeminiCLIExecutor } from "./gemini-cli.js";
+export { GithubExecutor } from "./github.js";
+export { DefaultExecutor } from "./default.js";