test(19-03): add LIST-01/02/03 test coverage for dashboard

- TestTablosDashboard_ProgressBar: asserts "Progression:" label and project-card-progress-row class
- TestTablosDashboard_ViewToggle: asserts view-toggle-btn class and data-view="grid" attribute
- TestTablosDashboard_StatusBadge: asserts "Active" badge and tablo-list-row dual-element structure
- All tests use unique email addresses; go build ./... exits 0

backend/internal/web/handlers_tablos_test.go

@@ -768,6 +768,143 @@ func TestTablosDashboard_EmptyState(t *testing.T) {
 	}
 }
 
+// ---- TestTablosDashboard_ProgressBar ----
+
+// LIST-01: progress bar — verifies that GET / renders a progress bar with label
+// "Progression:" and the CSS class "project-card-progress-row" when at least one tablo exists.
+func TestTablosDashboard_ProgressBar(t *testing.T) {
+	pool, cleanup := setupTestDB(t)
+	defer cleanup()
+
+	ctx := context.Background()
+	q := sqlc.New(pool)
+	store := auth.NewStore(q)
+	router := newTabloTestRouter(q, store)
+
+	user := preInsertUser(t, ctx, q, "progressbar@example.com", "correct-horse-12")
+
+	_, err := q.InsertTablo(ctx, sqlc.InsertTabloParams{
+		UserID:      user.ID,
+		Title:       "Progress Bar Tablo",
+		Description: pgtype.Text{Valid: false},
+		Color:       pgtype.Text{Valid: false},
+	})
+	if err != nil {
+		t.Fatalf("InsertTablo: %v", err)
+	}
+
+	cookieVal, _, storeErr := store.Create(ctx, user.ID)
+	if storeErr != nil {
+		t.Fatalf("store.Create: %v", storeErr)
+	}
+	sessionCookie := &http.Cookie{Name: auth.SessionCookieName, Value: cookieVal}
+
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.AddCookie(sessionCookie)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("GET / status = %d; want 200", rec.Code)
+	}
+
+	body := rec.Body.String()
+	if !strings.Contains(body, "Progression:") {
+		t.Errorf("body missing 'Progression:' progress bar label; body: %.500s", body)
+	}
+	if !strings.Contains(body, "project-card-progress-row") {
+		t.Errorf("body missing 'project-card-progress-row' CSS class; body: %.500s", body)
+	}
+}
+
+// ---- TestTablosDashboard_ViewToggle ----
+
+// LIST-02: view toggle — verifies that GET / renders the view toggle button and the
+// initial data-view="grid" attribute on the #tablos-list container.
+func TestTablosDashboard_ViewToggle(t *testing.T) {
+	pool, cleanup := setupTestDB(t)
+	defer cleanup()
+
+	ctx := context.Background()
+	q := sqlc.New(pool)
+	store := auth.NewStore(q)
+	router := newTabloTestRouter(q, store)
+
+	user := preInsertUser(t, ctx, q, "viewtoggle@example.com", "correct-horse-12")
+
+	cookieVal, _, storeErr := store.Create(ctx, user.ID)
+	if storeErr != nil {
+		t.Fatalf("store.Create: %v", storeErr)
+	}
+	sessionCookie := &http.Cookie{Name: auth.SessionCookieName, Value: cookieVal}
+
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.AddCookie(sessionCookie)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("GET / status = %d; want 200", rec.Code)
+	}
+
+	body := rec.Body.String()
+	if !strings.Contains(body, "view-toggle-btn") {
+		t.Errorf("body missing 'view-toggle-btn' toggle button class; body: %.500s", body)
+	}
+	if !strings.Contains(body, `data-view="grid"`) {
+		t.Errorf("body missing initial data-view=\"grid\" attribute on #tablos-list; body: %.500s", body)
+	}
+}
+
+// ---- TestTablosDashboard_StatusBadge ----
+
+// LIST-03: status badge — verifies that GET / with at least one tablo renders the "Active"
+// status badge and the "tablo-list-row" dual-element structure.
+func TestTablosDashboard_StatusBadge(t *testing.T) {
+	pool, cleanup := setupTestDB(t)
+	defer cleanup()
+
+	ctx := context.Background()
+	q := sqlc.New(pool)
+	store := auth.NewStore(q)
+	router := newTabloTestRouter(q, store)
+
+	user := preInsertUser(t, ctx, q, "statusbadge@example.com", "correct-horse-12")
+
+	_, err := q.InsertTablo(ctx, sqlc.InsertTabloParams{
+		UserID:      user.ID,
+		Title:       "Status Badge Tablo",
+		Description: pgtype.Text{Valid: false},
+		Color:       pgtype.Text{Valid: false},
+	})
+	if err != nil {
+		t.Fatalf("InsertTablo: %v", err)
+	}
+
+	cookieVal, _, storeErr := store.Create(ctx, user.ID)
+	if storeErr != nil {
+		t.Fatalf("store.Create: %v", storeErr)
+	}
+	sessionCookie := &http.Cookie{Name: auth.SessionCookieName, Value: cookieVal}
+
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.AddCookie(sessionCookie)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("GET / status = %d; want 200", rec.Code)
+	}
+
+	body := rec.Body.String()
+	if !strings.Contains(body, "Active") {
+		t.Errorf("body missing 'Active' status badge; body: %.500s", body)
+	}
+	if !strings.Contains(body, "tablo-list-row") {
+		t.Errorf("body missing 'tablo-list-row' dual-element structure; body: %.500s", body)
+	}
+}
+
 // ---- TestTabloDelete ----
 
 // TestTabloDelete verifies that POST /tablos/{id}/delete hard-deletes the row (TABLO-05).