refactor(web): remove deprecated dashboard components and enhance KPI grid

- Deleted unused components: `DashboardActivityTimeline`, `DashboardFramePanel`, `DashboardModulesGrid`, `DashboardRecentJobsGrid`, and `DashboardRecentRevisionsGrid` to streamline the dashboard.
- Updated `DashboardKpiGrid` to improve KPI display logic, including progress indicators and enhanced badge functionality.
- Refactored `DashboardNetworkHealth` to provide better status representation based on loading states and network conditions.
- Introduced new properties for KPI cards to support progress tracking and improved visual feedback.

This cleanup aims to enhance performance and maintainability of the dashboard while providing a better user experience.

internal/pipeline/asn_cache_test.go

@@ -51,13 +51,92 @@ func TestResolveASNForEntry_UsesTTLCache(t *testing.T) {
 	}
 }
 
+func TestResolveASNForEntry_HolderFailureIsNonFatal(t *testing.T) {
+	m := store.NewMemory()
+	t.Setenv("EVOBGP_ASN_CACHE_TTL_SEC", "1")
+
+	var holderCalls atomic.Int32
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if strings.Contains(r.URL.Path, "/announced") {
+			_, _ = w.Write([]byte(`{"status":"ok","data":{"prefixes":[{"prefix":"203.0.113.0/24"}]}}`))
+			return
+		}
+		holderCalls.Add(1)
+		w.WriteHeader(http.StatusInternalServerError)
+	}))
+	defer srv.Close()
+	t.Setenv("EVOBGP_RIPESTAT_ANNOUNCED_PREFIXES_URL", srv.URL+"/announced")
+	t.Setenv("EVOBGP_RIPESTAT_AS_OVERVIEW_URL", srv.URL+"/overview")
+
+	ctx := context.Background()
+	hc := srv.Client()
+	pfxs, holder, err := resolveASNForEntry(ctx, m, hc, 64512)
+	if err != nil {
+		t.Fatalf("holder failure must not fail ingest: %v", err)
+	}
+	if len(pfxs) != 1 {
+		t.Fatalf("expected 1 prefix, got %+v", pfxs)
+	}
+	if holder != "" {
+		t.Fatalf("expected empty holder on upstream failure, got %q", holder)
+	}
+	if holderCalls.Load() == 0 {
+		t.Fatal("expected holder endpoint to be attempted")
+	}
+}
+
+func TestResolveASNForEntry_KeepsPreviousHolderOnFailure(t *testing.T) {
+	m := store.NewMemory()
+	t.Setenv("EVOBGP_ASN_CACHE_TTL_SEC", "1")
+	t.Setenv("EVOBGP_ASN_HOLDER_TTL_SEC", "3600")
+
+	holderOK := atomic.Bool{}
+	holderOK.Store(true)
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if strings.Contains(r.URL.Path, "/announced") {
+			_, _ = w.Write([]byte(`{"status":"ok","data":{"prefixes":[{"prefix":"203.0.113.0/24"}]}}`))
+			return
+		}
+		if holderOK.Load() {
+			_, _ = w.Write([]byte(`{"status":"ok","data":{"holder":"Good AS"}}`))
+			return
+		}
+		w.WriteHeader(http.StatusInternalServerError)
+	}))
+	defer srv.Close()
+	t.Setenv("EVOBGP_RIPESTAT_ANNOUNCED_PREFIXES_URL", srv.URL+"/announced")
+	t.Setenv("EVOBGP_RIPESTAT_AS_OVERVIEW_URL", srv.URL+"/overview")
+
+	ctx := context.Background()
+	hc := srv.Client()
+	if _, h, err := resolveASNForEntry(ctx, m, hc, 64512); err != nil || h != "Good AS" {
+		t.Fatalf("first resolve: holder=%q err=%v", h, err)
+	}
+
+	// Prefix cache expired; holder endpoint now broken — previous holder must survive.
+	holderOK.Store(false)
+	time.Sleep(1100 * time.Millisecond)
+	pfxs, h, err := resolveASNForEntry(ctx, m, hc, 64512)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(pfxs) != 1 {
+		t.Fatalf("expected 1 prefix, got %+v", pfxs)
+	}
+	if h != "Good AS" {
+		t.Fatalf("expected previous holder preserved, got %q", h)
+	}
+}
+
 func TestModuleDueForScheduler_BucketRollover(t *testing.T) {
-	mod := &store.Module{Enabled: true, Type: "CDN_CIDRS", RefreshIntervalSec: 300}
-	boundary := time.Unix(300, 0)
+	mod := &store.Module{ID: "mod-jitter", Enabled: true, Type: "CDN_CIDRS", RefreshIntervalSec: 300}
+	win := int64(300)
+	off := moduleSchedulerOffset(mod.ID, win)
+	boundary := time.Unix(win+off, 0)
 	if !ModuleDueForScheduler(mod, boundary) {
 		t.Fatal("expected due when refresh bucket rolls")
 	}
-	mid := time.Unix(330, 0)
+	mid := time.Unix(win+off+SchedulerTickSec, 0)
 	if ModuleDueForScheduler(mod, mid) {
 		t.Fatal("expected not due within same bucket")
 	}