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Soft-archive of old done tasks (hygiene) ​

Hide stale completed tasks from task list without losing them. Active work is never affected.

Goal ​

Keep the working set focused: stamp archived_at on done tasks whose completed_at is older than N days. They stay in the database (so audits, FTS, task show keep working) but disappear from task list by default.

Config (.tausik/config.json) ​

json
{
  "task_archive": {
    "enabled": false,
    "done_age_days": 90,
    "note": "soft-delete only; status stays 'done', archived_at is the marker"
  }
}
KeyTypeDefaultMeaning
task_archiveobject(absent)Entire feature off when missing or enabled: false.
enabledboolfalseRequired to be true for hygiene archive --confirm to do any writes.
done_age_daysint90Only tasks with status = 'done' and completed_at ≤ now − N days are in scope. Invalid/0 clamps to 1.

enabled: false overrides --confirm — the command prints a "disabled" notice and writes nothing.

Inclusion rules (positive) ​

  • task.status == 'done'
  • task.completed_at present and older than done_age_days (UTC comparison).
  • task.archived_at IS NULL (already-archived rows are skipped — --confirm is idempotent).

Negative rules (hard) ​

  • Never include planning, active, blocked, or review tasks — no matter what the age or config says.
  • No row deletion: archive is a soft-delete (UPDATE ... SET archived_at = ?). The tasks row, its FTS index, logs, decisions, and metrics participation all remain intact.

CLI ​

bash
tausik hygiene archive             # dry-run: list candidates
tausik hygiene archive --confirm   # apply: stamp archived_at on candidates (idempotent)

tausik task list                       # default: hides archived rows
tausik task list --include-archived    # opt-in: shows everything

tausik_task_list MCP tool accepts the same include_archived: bool parameter.

Schema ​

Migration v25 adds a single nullable column:

sql
ALTER TABLE tasks ADD COLUMN archived_at TEXT;  -- ISO8601 UTC timestamp
CREATE INDEX idx_tasks_archived_at ON tasks(archived_at);

See also ​