Switch archive policy to year-month buckets (LLMP-DEC-67)

Updated all docs, skills, and examples to use year-month archive files (`*_<YYYY>_<MM>.md`) for `_ISSUES.md`, `_TODO.md`, and `LLM_PROTOCOL_DECISIONS.md`. Decision Log rolling window now governed by LLMP-DEC-67 (last 15 entries active). Clarified archive file handling, updated uniqueness checks, and revised references throughout. Closed and documented resolution for `FBANKAPP-DMODEL-I-P6X4` in `DATAMODEL_ISSUES.md`.

AyCode.Blazor.Components/AyCode.Blazor.Components.csproj

@@ -16,7 +16,6 @@
 		<PackageReference Include="DevExpress.Data" Version="25.1.3" />
 		<PackageReference Include="MessagePack" Version="3.1.4" />
 
-		<PackageReference Include="Microsoft.AspNetCore.SignalR.Core" Version="1.2.0" />
 		<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.11" />
 		<PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="9.0.11" />
 
@@ -41,9 +40,6 @@
 		<Reference Include="AyCode.Services">
 			<HintPath>..\..\AyCode.Core\AyCode.Services.Server\bin\$(_AyCodeCoresReferenceBuildSubPath)\AyCode.Services.dll</HintPath>
 		</Reference>
-		<Reference Include="AyCode.Services.Server">
-			<HintPath>..\..\AyCode.Core\AyCode.Services.Server\bin\$(_AyCodeCoresReferenceBuildSubPath)\AyCode.Services.Server.dll</HintPath>
-		</Reference>
 		<Reference Include="AyCode.Utils">
 			<HintPath>..\..\AyCode.Core\AyCode.Services.Server\bin\$(_AyCodeCoresReferenceBuildSubPath)\AyCode.Utils.dll</HintPath>
 		</Reference>

AyCode.Blazor.Components/Components/Grids/MgGridBase.cs

@@ -3,7 +3,6 @@ using AyCode.Core.Enums;
 using AyCode.Core.Helpers;
 using AyCode.Core.Interfaces;
 using AyCode.Core.Loggers;
-using AyCode.Services.Server.SignalRs;
 using AyCode.Services.SignalRs;
 using AyCode.Utils.Extensions;
 using DevExpress.Blazor;

AyCode.Blazor.Components/Components/Grids/MgGridInfoPanel.razor.cs

@@ -256,12 +256,19 @@ public partial class MgGridInfoPanel : ComponentBase, IAsyncDisposable, IInfoPan
                     return displayText;
             }
 
-            // Apply column's DisplayFormat if available
+            // Apply column's DisplayFormat if available.
+            // A DxGrid kétféle formátumot fogad: kompozit ("{0:yyyy.MM.dd}") és sima formátum-specifikáló
+            // ("yyyy.MM.dd HH:mm"). A string.Format csak a kompozitot érti — placeholder nélküli formátumnál
+            // NEM dob hibát, hanem a format-stringet adja vissza szó szerint, ezért külön ág kell.
             if (!string.IsNullOrEmpty(column.DisplayFormat))
             {
                 try
                 {
-                    return string.Format(column.DisplayFormat, value);
+                    if (column.DisplayFormat.Contains("{0"))
+                        return string.Format(column.DisplayFormat, value);
+
+                    if (value is IFormattable formattable)
+                        return formattable.ToString(column.DisplayFormat, null);
                 }
                 catch
                 {

AyCode.Blazor.Components/Components/Grids/MgGridSignalRDataSource.cs

@@ -1,7 +1,6 @@
 using AyCode.Core.Helpers;
 using AyCode.Core.Interfaces;
 using AyCode.Core.Loggers;
-using AyCode.Services.Server.SignalRs;
 using AyCode.Services.SignalRs;
 using DevExpress.Blazor;
 using DevExpress.Data.Filtering;

AyCode.Blazor.Components/docs/MGGRID/MGGRID_DATASOURCE.md

@@ -1,7 +1,7 @@
 # MgGrid — DataSource
 
 > Part of the MgGrid system. See `README.md` for overview and component hierarchy.
-> For the underlying `AcSignalRDataSource`: `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo)
+> For the underlying `AcSignalRDataSource`: `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo)
 
 ## MgGridSignalRDataSource
 

AyCode.Blazor.Components/docs/MGGRID/MGGRID_PARAMETERS.md

@@ -20,7 +20,7 @@
 | `UpdateMessageTag` | `int` | Tag for "update item" request |
 | `RemoveMessageTag` | `int` | Tag for "remove item" request |
 
-These are bundled into a `SignalRCrudTags` during `OnInitializedAsync`. See `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo) for details.
+These are bundled into a `SignalRCrudTags` during `OnInitializedAsync`. See `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo) for details.
 
 ## Data & Context Parameters
 

AyCode.Blazor.Components/docs/MGGRID/README.md

@@ -3,7 +3,7 @@
 > Comprehensive documentation for the **MgGrid** component family — the primary UI data grid pattern in the AyCode.Blazor framework.
 > Source: `Components/Grids/`
 > For SignalR transport: `AyCode.Services/docs/SIGNALR/README.md` (in AyCode.Core repo)
-> For `AcSignalRDataSource`: `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo)
+> For `AcSignalRDataSource`: `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` (in AyCode.Core repo)
 
 ## Overview
 
@@ -59,7 +59,7 @@ MgGridBase<TSignalRDataSource, TDataItem, TId, TLoggerClient>
 
 | Parameter | Constraint | Purpose |
 |---|---|---|
-| `TSignalRDataSource` | `: AcSignalRDataSource<…>` | SignalR-backed data source (see `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo) |
+| `TSignalRDataSource` | `: AcSignalRDataSource<…>` | SignalR-backed data source (see `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo) |
 | `TDataItem` | `: class, IId<TId>` | Entity type displayed in the grid |
 | `TId` | `: struct` | Primary key type (`int`, `Guid`) |
 | `TLoggerClient` | `: AcLoggerBase` | Logger for diagnostics |

docs/GLOSSARY.md

@@ -8,7 +8,7 @@ Blazor/MAUI UI terminology. For core framework terms see `AyCode.Core/docs/GLOSS
 |---|---|
 | **DxGrid** | DevExpress Blazor data grid. Used with `AcSignalRDataSource` for real-time SignalR data. |
 | **CardView** | Card-style layout wrapping DxGrid. Mobile-friendly alternative to table grids. |
-| **AcSignalRDataSource** | Grid data source backed by SignalR. Handles load, CRUD, filtering, and change tracking. See `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo. |
+| **AcSignalRDataSource** | Grid data source backed by SignalR. Handles load, CRUD, filtering, and change tracking. See `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo. |
 | **AcExpressionNode** | Serializable LINQ expression tree. Grid filters are serialized as expression nodes and sent to server. |
 
 ## MgGrid System
@@ -26,7 +26,7 @@ For full technical reference see `AyCode.Blazor.Components/docs/MGGRID/README.md
 | **MgGridSignalRDataSource** | `GridCustomDataSource` wrapping `AcSignalRDataSource`. Local cache, background refresh. |
 | **IMgGridBase** | Public interface: `IsSyncing`, `GridEditState`, `ParentGrid`, `StepPrevRow/NextRow`, layout persistence methods. |
 | **MgGridEditState** | Enum: `None` (no edit), `New` (adding item), `Edit` (modifying item). |
-| **SignalRCrudTags** | Bundle of 5 integer message tags (GetAll, GetItem, Add, Update, Remove) for one entity type. See `AyCode.Services.Server/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo. |
+| **SignalRCrudTags** | Bundle of 5 integer message tags (GetAll, GetItem, Add, Update, Remove) for one entity type. See `AyCode.Services/docs/SIGNALR_DATASOURCE/README.md` in AyCode.Core repo. |
 | **IsMasterGrid** | `true` when `ParentDataItem == null` — top-level grid (not detail). |
 | **AutoSaveLayoutName** | Base name for localStorage layout keys. Default: `"Grid{TDataItem.Name}"`. |