build: add direct cleanup command

src/cli.ts

@@ -25,6 +25,7 @@ program
         sessionName,
         models: options.models,
         binaryName,
+        mode: "cli",
       });
 
       if (result.success) {

src/core/launch.ts

@@ -39,6 +39,7 @@ export async function launchMultiModel(options: MultiModelOptions): Promise<Mult
   const safeSessionName = sanitizeName(sessionName);
   const models = normalizeModels(options.models);
   const binaryName = options.binaryName || "opencode";
+  const mode = options.mode || "cli";
 
   if (!sessionName) {
     return { success: false, sessionName: "", error: "Error: `sessionName` must not be empty." };
@@ -189,6 +190,10 @@ export async function launchMultiModel(options: MultiModelOptions): Promise<Mult
   const windowNames = windowPlans.map((p) => p.windowName);
   const attachCommand = `tmux attach -t ${sessionName}`;
   const cleanupCommand = `tmux kill-session -t ${sessionName} && rm -rf ~/.local/share/opencode/multi-model/${safeSessionName} && git worktree prune && git branch -D $(git branch --format='%(refname:short)' --list 'opencode/${safeSessionName}/*')`;
+  const primaryCleanup =
+    mode === "tool"
+      ? `call tool multi-model-close with sessionName: ${sessionName}`
+      : `opencode-multi-model close ${sessionName}`;
 
   if (failedModels.length > 0) {
     return {
@@ -200,7 +205,9 @@ export async function launchMultiModel(options: MultiModelOptions): Promise<Mult
         `Succeeded: ${succeededModels.length > 0 ? succeededModels.join(", ") : "none"}.`,
         `Failed: ${failedModels.join(", ")}.`,
         `Attach with \`${attachCommand}\` to inspect the session.`,
-        `Cleanup with \n\`${cleanupCommand}\`\nwhen done.`,
+        `Cleanup when done using either:`,
+        `1. ${primaryCleanup}`,
+        `2. Or run manually: \`${cleanupCommand}\``,
       ].join("\n"),
     };
   }
@@ -211,8 +218,9 @@ export async function launchMultiModel(options: MultiModelOptions): Promise<Mult
     windows: windowNames,
     instructions: [
       `Use \`${attachCommand}\` to join session.`,
-      `When finished, clean up worktrees with:`,
-      `\`${cleanupCommand}\``,
+      `When finished, clean up using either:`,
+      `1. ${primaryCleanup}`,
+      `2. Or run manually: \`${cleanupCommand}\``,
     ].join("\n"),
   };
 }

src/tools/open.ts

@@ -24,6 +24,7 @@ export const openTool = tool({
       sessionName: args.sessionName,
       models: args.models,
       binaryName,
+      mode: "tool",
     });
 
     context.metadata({

src/types.ts

@@ -8,6 +8,8 @@ export interface MultiModelOptions {
   models: string[];
   /** Binary name to use ('opencode' or 'kilo'). Defaults to 'opencode'. */
   binaryName?: string;
+  /** Caller context: 'cli' shows shell commands, 'tool' shows tool instructions. */
+  mode?: "cli" | "tool";
 }
 
 /**