sequenceDiagram
    participant Test as Test Spec
    participant PM as PageManager
    participant DI as DashboardImport
    participant Page as Playwright Page
    participant UI as UI Elements
    
    Note over Test,UI: Dashboard Import Flow (Enhanced)
    
    Test->>PM: dashboardImport.clickImportDashboard()
    PM->>DI: clickImportDashboard()
    DI->>UI: Wait for import button (15s)
    DI->>UI: Click import button
    DI->>UI: Wait for file tab (10s)
    DI->>UI: Wait for input attached (10s)
    
    alt File Upload
        Test->>DI: uploadDashboardFile(path)
        DI->>UI: Wait for file tab visible (10s)
        DI->>UI: Click file tab
        loop Retry up to 3 times
            DI->>UI: setInputFiles(path)
            alt Success
                DI->>UI: Break retry loop
            else Failure
                DI->>UI: Wait for input attached (5s)
            end
        end
        DI->>UI: Wait for JSON editor visible (10s)
        DI->>UI: Wait for view lines visible (10s)
    else URL Import
        Test->>DI: clickUrlImportTab()
        loop Retry up to 5 times
            DI->>UI: Wait for URL tab (30s)
            DI->>UI: Click URL tab
            DI->>UI: Wait for URL input visible (10s)
            alt Success
                DI->>UI: Break retry loop
            else Failure
                DI->>UI: Wait for tab visible (5s)
            end
        end
        Test->>Page: Fill URL input
        Test->>Page: Wait for JSON content
    end
    
    Test->>DI: clickImportButton()
    DI->>UI: Wait for import button
    DI->>UI: Click import button
    
    Test->>Page: waitForDashboardPage()
    Page->>UI: Wait for URL navigation (30s)
    Page->>UI: Wait for page stabilization (1s)
    alt Promise.race (first to complete)
        Page->>UI: Wait for API response (30s)
        Page->>UI: Wait for dashboard table (30s)
        Page->>UI: Wait for import button (30s)
    end
    Page->>UI: Final stabilization wait (1s)
    
    Test->>DI: deleteImportedDashboard(prefix, name)
    DI->>UI: Wait for dashboard table (20s)
    DI->>UI: Wait for first row (15s)
    
    loop Retry up to 5 times to find row
        DI->>UI: Wait for dashboard row (4s)
        alt Row found
            DI->>UI: Break retry loop
        else Not found
            alt Final retry
                DI->>UI: Fallback to cell-based selector
                DI->>UI: Click cell
                DI->>UI: Click delete button
                DI->>UI: Click confirm
            else Continue retry
                DI->>UI: Wait for DOM loaded
            end
        end
    end
    
    loop Retry up to 3 times to delete
        DI->>UI: Hover over row
        DI->>UI: Wait for delete button (10s)
        DI->>UI: Click delete button
        DI->>UI: Wait for confirm button (5s)
        alt Success
            DI->>UI: Break retry loop
        else Failure
            DI->>UI: Wait for row visible (5s)
        end
    end
    
    DI->>UI: Click confirm button (10s)
    
    alt Verify deletion (fallback chain)
        DI->>UI: Wait for row detached (10s)
    else Fallback 1
        DI->>UI: Wait for networkidle (5s)
    else Fallback 2
        DI->>UI: Wait for row hidden (5s)
    else Fallback 3
        DI->>DI: Log warning via console
    end