fix(tui): remove composer status line

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/cli/src/tui/dashboard.tsx

@@ -139,12 +139,6 @@ export function InkTuiDashboard(props: InkTuiDashboardProps): React.JSX.Element
               </Text>
             ) : null}
           </Box>
-          <Box>
-            <Text color={props.isSubmitting ? STATUS_ACTIVE : WARM_MUTED}>
-              {model.composerStatus}
-            </Text>
-          </Box>
-
           {/* Slash command suggestions */}
           {props.slashSuggestions && props.slashSuggestions.length > 0 ? (
             <Box flexDirection="column" marginTop={1} borderTop borderColor={WARM_BORDER}>