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Mika Kuns dc3fc443b4 refactor(data): retire legacy TaskStatus values and backfill existing rows

Slice 6 of the worker state and queue consolidation refactor.

* Drop Manual, Planning, Planned, Draft, Waiting from the TaskStatus enum
  and from the EF value converter; only the lifecycle values remain
  (Idle, Queued, Running, Done, Failed, Cancelled).
* Add migration RetireLegacyTaskStatus that rewrites existing rows:
  manual/draft -> idle, planning -> idle+planning_phase=active,
  planned -> idle+planning_phase=finalized, waiting -> queued+blocked_by
  derived from sort_order via a CTE with LAG().
* Reroute every call site that compared/set legacy values to the new
  three-field model (Status + PlanningPhase + BlockedByTaskId), including
  the planning repo helpers, MCP services, the planning chain coordinator,
  and the UI view-models. TaskRowViewModel now exposes PlanningPhase to
  drive the planning badge.
* Refresh Worker/CLAUDE.md and Data/CLAUDE.md, the docs/plan.md status
  section, and the planning verification notes in docs/open.md.

2026-04-27 15:28:55 +02:00

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ClaudeDo.Data

Shared data layer: models, repositories, SQLite infrastructure, and git operations.

Models

TaskEntity — Id, ListId, Title, Description, Status (Idle|Queued|Running|Done|Failed|Cancelled), PlanningPhase (None|Active|Finalized — parent-only), BlockedByTaskId (nullable FK to predecessor in a chain), ScheduledFor, Result, LogPath, timestamps, CommitType, Model / SystemPrompt / AgentPath (nullable overrides), IsStarred, IsMyDay, Notes, ParentTaskId, PlanningSessionId, PlanningSessionToken, PlanningFinalizedAt, CreatedBy. Legacy values Manual/Planning/Planned/Draft/Waiting were retired; existing rows backfill automatically via the RetireLegacyTaskStatus migration.
ListEntity — Id, Name, WorkingDir, DefaultCommitType, CreatedAt
ListConfigEntity — ListId (PK, 1:1 with list), Model, SystemPrompt, AgentPath (all nullable)
TagEntity — Id (autoincrement), Name (unique)
WorktreeEntity — TaskId (PK, 1:1 with task), Path, BranchName, BaseCommit, HeadCommit, DiffStat, State (Active|Merged|Discarded|Kept)
TaskRunEntity — per-run record (session_id, tokens, turns, result, structured output, exit code, log path)
SubtaskEntity, AppSettingsEntity, AgentInfo — existing helpers / settings / record for scanned agent files

Repositories

All repositories use EF Core LINQ queries via ClaudeDoDbContext. Exception: TaskRepository.GetNextQueuedAgentTaskAsync uses FromSqlRaw for atomic queue claim.

TaskRepository — CRUD, planning helpers (CreateChildAsync, SetPlanningStartedAsync, DiscardPlanningAsync, TryCompleteParentAsync, UpdateChildAsync), tag management (GetEffectiveTagsAsync — union of task + list tags), UpdateAgentSettingsAsync (model / system-prompt / agent-path overrides). Status-mutation primitives MarkRunningAsync / MarkDoneAsync / MarkFailedAsync / FlipAllRunningToFailedAsync are internal and called only by TaskStateService in the worker. CreateChildAsync produces children with Status=Idle, PlanningPhase=None; once their parent's PlanningPhase becomes Finalized, the chain coordinator queues them.
ListRepository — CRUD, tag junction management, GetConfigAsync / SetConfigAsync (upsert) / DeleteConfigAsync for list_config
TagRepository — GetOrCreateAsync (idempotent)
WorktreeRepository — CRUD, UpdateHeadAsync, SetStateAsync
TaskRunRepository, SubtaskRepository, AppSettingsRepository

Infrastructure

ClaudeDoDbContext — EF Core DbContext; configured with WAL mode and foreign keys via UseSqlite options
IDbContextFactory — registered in DI; used by singleton consumers (e.g. Worker hosted service)
Paths — expands ~ and %USERPROFILE%, resolves relative paths. App root: ~/.todo-app
AppSettings — loads ~/.todo-app/ui.config.json (DbPath, SignalRUrl)

Git

GitService — async wrapper around git CLI (ProcessStartInfo, no shell). Operations: worktree add/remove, add all, commit (stdin for message), merge ff-only, rev-parse, diff-stat, has-changes, is-git-repo

Schema

Tables: lists, tasks, tags, list_tags, task_tags, worktrees, list_config, task_runs, subtasks, app_settings. Managed by EF Core migrations in the Migrations/ folder. Seed data: tags "agent" and "manual". The tasks table holds status, planning_phase (default none), and blocked_by_task_id (FK to tasks.id, ON DELETE SET NULL).

Conventions

Enum <-> string mapping via EF Core ValueConverter (configured in IEntityTypeConfiguration<T>)
Entity configurations live in the Configuration/ folder
Primary keys are init-only strings (GUIDs assigned at creation)
All methods are async with CancellationToken where applicable

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