docs: add XML documentation and ConfigManager implementation plans

Add comprehensive XML documentation (param/returns tags) across 132 source
files to improve IntelliSense and API discoverability. Include ConfigManager
design documents and implementation plans for phases 1-9.

NEW/src/Utils/JdeScoping.ConfigManager/Models/PipelineModel.cs

@@ -5,56 +5,144 @@ namespace JdeScoping.ConfigManager.Models;
 /// </summary>
 public class PipelinesConfigModel
 {
+    /// <summary>
+    /// Gets or sets the pipeline settings.
+    /// </summary>
     public PipelineSettings Settings { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the default schedules for all pipelines.
+    /// </summary>
     public ScheduleDefaults ScheduleDefaults { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the collection of named pipelines.
+    /// </summary>
     public Dictionary<string, PipelineModel> Pipelines { get; set; } = new();
 }
 
 public class PipelineSettings
 {
+    /// <summary>
+    /// Gets or sets the timezone for scheduling operations.
+    /// </summary>
     public string Timezone { get; set; } = "UTC";
 }
 
 public class ScheduleDefaults
 {
+    /// <summary>
+    /// Gets or sets the default mass data refresh schedule.
+    /// </summary>
     public ScheduleModel Mass { get; set; } = new() { Enabled = true, IntervalMinutes = 10080, PrePurge = true, ReIndex = true };
+
+    /// <summary>
+    /// Gets or sets the default daily data refresh schedule.
+    /// </summary>
     public ScheduleModel Daily { get; set; } = new() { Enabled = true, IntervalMinutes = 1440 };
+
+    /// <summary>
+    /// Gets or sets the default hourly data refresh schedule.
+    /// </summary>
     public ScheduleModel Hourly { get; set; } = new() { Enabled = true, IntervalMinutes = 60 };
 }
 
 public class PipelineModel
 {
+    /// <summary>
+    /// Gets or sets the source configuration for data extraction.
+    /// </summary>
     public PipelineSource Source { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the schedule configurations for this pipeline.
+    /// </summary>
     public PipelineSchedules Schedules { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the destination configuration for data loading.
+    /// </summary>
     public PipelineDestination Destination { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets optional scripts to execute after pipeline completion.
+    /// </summary>
     public string[]? PostScripts { get; set; }
 }
 
 public class PipelineSource
 {
+    /// <summary>
+    /// Gets or sets the source database connection name.
+    /// </summary>
     public string Connection { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the query to extract data from the source.
+    /// </summary>
     public string Query { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the optional mass query for full data extraction.
+    /// </summary>
     public string? MassQuery { get; set; }
+
+    /// <summary>
+    /// Gets or sets the query parameters and their definitions.
+    /// </summary>
     public Dictionary<string, ParameterDefinition> Parameters { get; set; } = new();
 }
 
 public class ParameterDefinition
 {
+    /// <summary>
+    /// Gets or sets the parameter name.
+    /// </summary>
     public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the optional parameter format string.
+    /// </summary>
     public string? Format { get; set; }
+
+    /// <summary>
+    /// Gets or sets the optional parameter source or derivation logic.
+    /// </summary>
     public string? Source { get; set; }
 }
 
 public class PipelineSchedules
 {
+    /// <summary>
+    /// Gets or sets the mass refresh schedule for this pipeline.
+    /// </summary>
     public ScheduleModel? Mass { get; set; }
+
+    /// <summary>
+    /// Gets or sets the daily refresh schedule for this pipeline.
+    /// </summary>
     public ScheduleModel? Daily { get; set; }
+
+    /// <summary>
+    /// Gets or sets the hourly refresh schedule for this pipeline.
+    /// </summary>
     public ScheduleModel? Hourly { get; set; }
 }
 
 public class PipelineDestination
 {
+    /// <summary>
+    /// Gets or sets the destination table name.
+    /// </summary>
     public string Table { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the columns used to match existing records for updates.
+    /// </summary>
     public string[] MatchColumns { get; set; } = [];
+
+    /// <summary>
+    /// Gets or sets the columns to exclude from update operations.
+    /// </summary>
     public string[] ExcludeFromUpdate { get; set; } = [];
 }