feat(v2): implement operator monitoring window

v2/internal/ui/window_test.go

@@ -0,0 +1,36 @@
+package ui
+
+import (
+	"strings"
+	"testing"
+
+	"silverpose/v2/internal/fall"
+	"silverpose/v2/internal/source"
+)
+
+func TestViewModelUsesCriticalOnlyForConfirmed(t *testing.T) {
+	view := NewViewModel()
+	view.Apply(fall.Normal, source.Connected)
+	if view.Critical {
+		t.Fatal("normal monitoring state is critical")
+	}
+	view.Apply(fall.Confirmed, source.Connected)
+	if !view.Critical || !strings.Contains(view.StateText, "确认摔倒") {
+		t.Fatalf("confirmed view = %#v", view)
+	}
+	view.Apply(fall.Normal, source.Retrying)
+	if view.Critical || !strings.Contains(view.ConnectionText, "重连") {
+		t.Fatalf("retrying view = %#v", view)
+	}
+}
+
+func TestSettingsNeverExposeResolvedRTSPURL(t *testing.T) {
+	view := NewViewModel()
+	view.SetSourceReady("SILVER_POSE_RTSP_URL", true)
+	if strings.Contains(view.SettingsSummary, "rtsp://") || strings.Contains(view.SettingsSummary, "secret") {
+		t.Fatalf("settings leaked source: %q", view.SettingsSummary)
+	}
+	if !strings.Contains(view.SettingsSummary, "SILVER_POSE_RTSP_URL") {
+		t.Fatalf("settings omitted source environment name: %q", view.SettingsSummary)
+	}
+}