Initial commit: LAAPC Print Service - Windows service with multi-tray printing, IPC queue management, PDF testing support, and self-installing CLI

PrintService/Models/AppSettings.cs

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+namespace PrintService.Models;
+
+/// <summary>
+/// Application settings loaded from appsettings.json
+/// </summary>
+public class AppSettings
+{
+    /// <summary>
+    /// Path to monitor for incoming capture files
+    /// </summary>
+    public string CapturesPath { get; set; } = "Captures";
+
+    /// <summary>
+    /// Path for queued files (after moving from Captures)
+    /// </summary>
+    public string QueuePath { get; set; } = "Queue";
+
+    /// <summary>
+    /// Path for failed jobs
+    /// </summary>
+    public string ErrorPath { get; set; } = "Errors";
+
+    /// <summary>
+    /// Default archive path
+    /// </summary>
+    public string ArchivePath { get; set; } = "Archive";
+
+    /// <summary>
+    /// Maximum retry attempts before moving to error folder
+    /// </summary>
+    public int MaxRetryAttempts { get; set; } = 3;
+
+    /// <summary>
+    /// Debounce delay in milliseconds for file system watcher
+    /// </summary>
+    public int DebounceDelayMs { get; set; } = 200;
+
+    /// <summary>
+    /// Named pipe name for IPC communication
+    /// </summary>
+    public string PipeName { get; set; } = "PrintServicePipe";
+
+    /// <summary>
+    /// Document type configurations
+    /// </summary>
+    public List<DocumentConfig> DocumentTypes { get; set; } = new();
+
+    /// <summary>
+    /// Queue state file path
+    /// </summary>
+    public string QueueStateFile { get; set; } = "queue_state.json";
+
+    /// <summary>
+    /// Enable detailed logging
+    /// </summary>
+    public bool VerboseLogging { get; set; } = false;
+}

PrintService/Models/DocumentConfig.cs

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+namespace PrintService.Models;
+
+/// <summary>
+/// Configuration for document types
+/// </summary>
+public class DocumentConfig
+{
+    /// <summary>
+    /// Name/identifier of the document type
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Printer name to send to
+    /// </summary>
+    public string PrinterName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Sequence of tray numbers to use (1-based, e.g., [3, 4, 1, 2])
+    /// These will be mapped to physical PaperSource indexes
+    /// </summary>
+    public int[] TraySequence { get; set; } = Array.Empty<int>();
+
+    /// <summary>
+    /// Font name to use for rendering
+    /// </summary>
+    public string FontName { get; set; } = "Courier New";
+
+    /// <summary>
+    /// Font size in points
+    /// </summary>
+    public float FontSize { get; set; } = 10f;
+
+    /// <summary>
+    /// Vertical offset adjustment (in pixels)
+    /// </summary>
+    public int VerticalOffset { get; set; } = 0;
+
+    /// <summary>
+    /// Horizontal offset adjustment (in pixels)
+    /// </summary>
+    public int HorizontalOffset { get; set; } = 0;
+
+    /// <summary>
+    /// Text transformation rules (regex patterns to remove/replace)
+    /// </summary>
+    public List<TextTransform> Transformations { get; set; } = new();
+
+    /// <summary>
+    /// Whether to archive files after printing (true) or delete them (false)
+    /// </summary>
+    public bool ArchiveAfterPrint { get; set; } = true;
+
+    /// <summary>
+    /// Archive folder path (if ArchiveAfterPrint is true)
+    /// </summary>
+    public string? ArchivePath { get; set; }
+
+    /// <summary>
+    /// Output folder for PDF files (when using "Microsoft Print to PDF")
+    /// If specified, PDFs will be saved to this folder automatically
+    /// </summary>
+    public string? OutputPath { get; set; }
+
+    /// <summary>
+    /// Skip post-processing (archive/delete) to leave files in queue for repeated testing
+    /// Useful for development and testing scenarios
+    /// </summary>
+    public bool SkipPostProcessing { get; set; } = false;
+}
+
+/// <summary>
+/// Text transformation rule
+/// </summary>
+public class TextTransform
+{
+    /// <summary>
+    /// Regex pattern to match
+    /// </summary>
+    public string Pattern { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Replacement text (empty string to remove)
+    /// </summary>
+    public string Replacement { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Description of what this transformation does
+    /// </summary>
+    public string Description { get; set; } = string.Empty;
+}

PrintService/Models/PrintJob.cs

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+namespace PrintService.Models;
+
+/// <summary>
+/// Represents a print job in the queue
+/// </summary>
+public class PrintJob
+{
+    /// <summary>
+    /// Unique identifier for the job
+    /// </summary>
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    /// <summary>
+    /// Path to the original capture file
+    /// </summary>
+    public string SourceFilePath { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Path to the queued file (after being moved with GUID name)
+    /// </summary>
+    public string QueuedFilePath { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Document type (invoice, order, delivery, etc.)
+    /// </summary>
+    public string DocumentType { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Optional order number
+    /// </summary>
+    public string? OrderNumber { get; set; }
+
+    /// <summary>
+    /// When the job was created
+    /// </summary>
+    public DateTime CreatedAt { get; set; } = DateTime.Now;
+
+    /// <summary>
+    /// When the job was last updated
+    /// </summary>
+    public DateTime UpdatedAt { get; set; } = DateTime.Now;
+
+    /// <summary>
+    /// Current status of the job
+    /// </summary>
+    public PrintJobStatus Status { get; set; } = PrintJobStatus.Pending;
+
+    /// <summary>
+    /// Number of times this job has been attempted
+    /// </summary>
+    public int RetryCount { get; set; } = 0;
+
+    /// <summary>
+    /// Last error message if failed
+    /// </summary>
+    public string? LastError { get; set; }
+
+    /// <summary>
+    /// Original filename before moving to queue
+    /// </summary>
+    public string OriginalFilename { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// Status of a print job
+/// </summary>
+public enum PrintJobStatus
+{
+    Pending,
+    Processing,
+    Completed,
+    Failed,
+    RetryScheduled
+}