fix: prevent 1 from showing when preparing write

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -1423,11 +1423,14 @@ ToolRegistry.register<typeof WriteTool>({
       return props.metadata.diagnostics?.[filePath] ?? []
     })
 
+    const done = !!props.input.filePath
+
     return (
       <>
-        <ToolTitle icon="←" fallback="Preparing write..." when={props.input.filePath}>
+        <ToolTitle icon="←" fallback="Preparing write..." when={done}>
           Wrote {props.input.filePath}
         </ToolTitle>
+        <Show when={done}>
           <line_number fg={theme.textMuted} minWidth={3} paddingRight={1}>
             <code
               conceal={false}
@@ -1437,6 +1440,7 @@ ToolRegistry.register<typeof WriteTool>({
               content={code()}
             />
           </line_number>
+        </Show>
         <Show when={diagnostics().length}>
           <For each={diagnostics()}>
             {(diagnostic) => (