From b67806ae9a99e5a3c449c60457933b47d14ba66c Mon Sep 17 00:00:00 2001
From: Billy Biggs <bbiggs@google.com>
Date: Sun, 15 Jun 2025 11:40:39 -0700
Subject: Support completion of checkpoint names in /resume (#1063)

---
 packages/cli/src/ui/components/InputPrompt.tsx | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

(limited to 'packages/cli/src/ui/components/InputPrompt.tsx')

diff --git a/packages/cli/src/ui/components/InputPrompt.tsx b/packages/cli/src/ui/components/InputPrompt.tsx
index c4177c00..d31b7106 100644
--- a/packages/cli/src/ui/components/InputPrompt.tsx
+++ b/packages/cli/src/ui/components/InputPrompt.tsx
@@ -109,11 +109,20 @@ export const InputPrompt: React.FC<InputPromptProps> = ({
       const selectedSuggestion = completionSuggestions[indexToUse];
 
       if (query.trimStart().startsWith('/')) {
+        const parts = query.trimStart().substring(1).split(' ');
+        const commandName = parts[0];
         const slashIndex = query.indexOf('/');
         const base = query.substring(0, slashIndex + 1);
-        const newValue = base + selectedSuggestion.value;
-        buffer.setText(newValue);
-        handleSubmitAndClear(newValue);
+
+        const command = slashCommands.find((cmd) => cmd.name === commandName);
+        if (command && command.completion) {
+          const newValue = `${base}${commandName} ${selectedSuggestion.value}`;
+          buffer.setText(newValue);
+        } else {
+          const newValue = base + selectedSuggestion.value;
+          buffer.setText(newValue);
+          handleSubmitAndClear(newValue);
+        }
       } else {
         const atIndex = query.lastIndexOf('@');
         if (atIndex === -1) return;
@@ -131,7 +140,13 @@ export const InputPrompt: React.FC<InputPromptProps> = ({
       }
       resetCompletionState();
     },
-    [resetCompletionState, handleSubmitAndClear, buffer, completionSuggestions],
+    [
+      resetCompletionState,
+      handleSubmitAndClear,
+      buffer,
+      completionSuggestions,
+      slashCommands,
+    ],
   );
 
   useInput(
-- 
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