pi-agent: Implement progressive Target detection

internal/tui/pages.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strings"
 
+	"proxyctl/internal/app"
 	"proxyctl/internal/profile"
 )
 
@@ -48,7 +49,7 @@ func (p terminalPresentation) dashboardFooter(model presentationState, catalog t
 		return "↑/k ↓/j PgUp/PgDn: scroll  Tab: focus Targets  " + visibility + "\np: manage Proxy Profiles  ?: help  q/Esc: quit"
 	}
 	actions := "↑/k ↓/j: select  Tab: focus details  " + visibility
-	if selected, ok := catalog.selected(model.selectedTargetID); ok && selected.Available {
+	if selected, ok := catalog.selected(model.selectedTargetID); ok && selected.Available && selected.DetectionPhase == app.TargetReady {
 		actions = "Space: toggle  " + actions
 	}
 	return actions + "\np: manage Proxy Profiles  r: refresh  ?: help  q/Esc: quit"