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feat(data): add task numbers schema, allocator, and backfill migration

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TaskEntity.Number is a global, monotonically increasing, never-reused
integer (displayed as #123), allocated from AppSettingsEntity.NextTaskNumber
via a single UPDATE...RETURNING statement rather than MAX(number)+1, which
would reissue a deleted task's number. Both insert paths (TaskRepository.
AddAsync and CreateChildAsync) route through the new TaskNumberAllocator,
with a bounded retry on a unique-index collision. One migration adds the
columns, backfills existing rows in creation order, and creates the unique
index afterwards. Data-layer only; MCP/UI wiring is later slices.
This commit is contained in:
mika kuns
2026-08-11 10:49:06 +02:00
parent 31a9e87b56
commit 9e46c96b24
25 changed files with 1416 additions and 50 deletions
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tests/ClaudeDo.Data.Tests/MoveToListTests.cs
+6 -6
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@@ -42,16 +42,16 @@ public sealed class MoveToListTests : IDisposable
await SeedListsAsync("source", "target");
_ctx.Tasks.Add(new TaskEntity
{
Id = "t1", ListId = "source", Title = "Task", CreatedAt = DateTime.UtcNow, SortOrder = 0,
Id = "t1", Number = 1, ListId = "source", Title = "Task", CreatedAt = DateTime.UtcNow, SortOrder = 0,
});
// Existing tasks already in the target list, so we can assert the moved task lands after them.
_ctx.Tasks.Add(new TaskEntity
{
Id = "existing1", ListId = "target", Title = "Existing 1", CreatedAt = DateTime.UtcNow, SortOrder = 0,
Id = "existing1", Number = 2, ListId = "target", Title = "Existing 1", CreatedAt = DateTime.UtcNow, SortOrder = 0,
});
_ctx.Tasks.Add(new TaskEntity
{
Id = "existing2", ListId = "target", Title = "Existing 2", CreatedAt = DateTime.UtcNow, SortOrder = 1,
Id = "existing2", Number = 3, ListId = "target", Title = "Existing 2", CreatedAt = DateTime.UtcNow, SortOrder = 1,
});
await _ctx.SaveChangesAsync();
_ctx.ChangeTracker.Clear();
@@ -69,16 +69,16 @@ public sealed class MoveToListTests : IDisposable
await SeedListsAsync("source", "target");
_ctx.Tasks.Add(new TaskEntity
{
Id = "parent", ListId = "source", Title = "Parent", CreatedAt = DateTime.UtcNow, SortOrder = 0,
Id = "parent", Number = 1, ListId = "source", Title = "Parent", CreatedAt = DateTime.UtcNow, SortOrder = 0,
});
_ctx.Tasks.Add(new TaskEntity
{
Id = "child", ListId = "source", Title = "Child", CreatedAt = DateTime.UtcNow,
Id = "child", Number = 2, ListId = "source", Title = "Child", CreatedAt = DateTime.UtcNow,
SortOrder = 1, ParentTaskId = "parent",
});
_ctx.Tasks.Add(new TaskEntity
{
Id = "grandchild", ListId = "source", Title = "Grandchild", CreatedAt = DateTime.UtcNow,
Id = "grandchild", Number = 3, ListId = "source", Title = "Grandchild", CreatedAt = DateTime.UtcNow,
SortOrder = 2, ParentTaskId = "child",
});
await _ctx.SaveChangesAsync();