feat: add multi-model cleanup tool and CLI command

- Bump `@opencode-ai/plugin` dependency from 1.2.27 to 1.3.0.
- Introduce `cleanup` command in CLI with force and remote options.
- Export `cleanupMultiModel` from core index.
- Register `multi-model-cleanup` tool in plugin and update exports.
- Add `CleanupOptions` and `CleanupResult` types to define cleanup behavior and results.

src/cli.ts

@@ -1,5 +1,6 @@
 #!/usr/bin/env bun
 import { Command } from "commander";
+import { cleanupMultiModel } from "./core/cleanup";
 import { closeMultiModel } from "./core/close";
 import { openMultiModel } from "./core/open";
 import { getBinaryName } from "./core/utils";
@@ -91,4 +92,32 @@ program
     },
   );
 
+program
+  .command("cleanup")
+  .description("Delete all archive tags from local and remote")
+  .option("-f, --force", "Skip confirmation prompts", false)
+  .option(
+    "-r, --remote <remote>",
+    "Remote name to push deletions to (default: first remote from git remote -v)",
+  )
+  .option("--no-remote", "Only delete local tags, skip remote")
+  .action(async (options: { force: boolean; remote?: string | boolean }) => {
+    try {
+      const result = await cleanupMultiModel({
+        force: options.force,
+        remote: options.remote === true ? undefined : options.remote,
+      });
+
+      if (result.success) {
+        console.log(result.instructions);
+      } else {
+        console.error(`Failed: ${result.error}`);
+        process.exit(1);
+      }
+    } catch (error) {
+      console.error(`Error: ${error}`);
+      process.exit(1);
+    }
+  });
+
 program.parse();