Add store log analysis feature and related data structures

- Implement AnalyzeSlotUnregistrationsAsync method to retrieve and report store log data for cooperating stores in region 139.
- Introduce StoreLogProfileEntry record to aggregate log information.
- Add StoreLog endpoint for API access.
- Create GetStoreLogAsync and GetStoreLogEntriesAsync methods for fetching and deserializing store log entries.
- Update Program.cs to include the new analysis task option.

Cli/Tasks/StoreTasks.Regions.cs

@@ -1,3 +1,5 @@
+using System.Text.Json.Serialization;
+
 namespace FsToolbox.Cli.Tasks
 {
     public static partial class StoreTasks
@@ -15,6 +17,35 @@ namespace FsToolbox.Cli.Tasks
 
         #endregion
 
+        #region Record FoodsaverProfile
+
+        /// <summary>
+        ///     Minimal foodsaver profile information for store logs.
+        /// </summary>
+        /// <param name="Id">The foodsaver identifier.</param>
+        /// <param name="Name">The foodsaver display name.</param>
+        /// <param name="Avatar">The foodsaver avatar URL (relative).</param>
+        /// <param name="IsSleeping">Indicates whether the foodsaver is sleeping.</param>
+        public record FoodsaverProfile(int Id, string Name, string? Avatar, bool IsSleeping);
+
+        #endregion
+
+        #region Record StoreLogEntry
+
+        /// <summary>
+        ///     Represents a store log entry with foodsaver and action information.
+        /// </summary>
+        public record StoreLogEntry(
+            [property: JsonPropertyName("performed_at")] DateTime PerformedAt,
+            [property: JsonPropertyName("action_id")] int ActionId,
+            [property: JsonPropertyName("date_reference")] DateTime? DateReference,
+            [property: JsonPropertyName("content")] string? Content,
+            [property: JsonPropertyName("reason")] string? Reason,
+            [property: JsonPropertyName("acting_foodsaver")] FoodsaverProfile? ActingFoodsaver,
+            [property: JsonPropertyName("affected_foodsaver")] FoodsaverProfile? AffectedFoodsaver);
+
+        #endregion
+
         #region Record Pickup
 
         /// <summary>