fix(tui): preserve arguments when executing commands via keybind

Add guard in onContentChange to skip redundant store updates, preventing
programmatic updates from set() being overwritten. Also removes debug
console.log statement.

Author: ariane-emory

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -546,7 +546,6 @@ export function Prompt(props: PromptProps) {
       inputText.startsWith("/") &&
       iife(() => {
         const command = inputText.split(" ")[0].slice(1)
-        console.log(command)
         return sync.data.command.some((x) => x.name === command)
       })
     ) {
@@ -769,6 +768,8 @@ export function Prompt(props: PromptProps) {
               maxHeight={6}
               onContentChange={() => {
                 const value = input.plainText
+                // Skip redundant updates - prevents overwriting programmatic updates from set()
+                if (value === store.prompt.input) return
                 setStore("prompt", "input", value)
                 autocomplete.onInput(value)
                 syncExtmarksWithPromptParts()