feature(commands) - Refactor Slash Command + Vision For the Future (#3175)

packages/cli/src/services/CommandService.ts

@@ -0,0 +1,36 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { SlashCommand } from '../ui/commands/types.js';
+import { memoryCommand } from '../ui/commands/memoryCommand.js';
+import { helpCommand } from '../ui/commands/helpCommand.js';
+import { clearCommand } from '../ui/commands/clearCommand.js';
+
+const loadBuiltInCommands = async (): Promise<SlashCommand[]> => [
+  clearCommand,
+  helpCommand,
+  memoryCommand,
+];
+
+export class CommandService {
+  private commands: SlashCommand[] = [];
+
+  constructor(
+    private commandLoader: () => Promise<SlashCommand[]> = loadBuiltInCommands,
+  ) {
+    // The constructor can be used for dependency injection in the future.
+  }
+
+  async loadCommands(): Promise<void> {
+    // For now, we only load the built-in commands.
+    // File-based and remote commands will be added later.
+    this.commands = await this.commandLoader();
+  }
+
+  getCommands(): SlashCommand[] {
+    return this.commands;
+  }
+}