Execution: reclaim the directories of Ended Tickets after a retention

docs/007-architecture.md

@@ -245,6 +245,7 @@ Each model request binds the Session to the current prompt revision. The revisio
 | Glue | Translates |
 | --- | --- |
 | `src/app/runtime.ts` | The composition root: builds the parts with the interfaces they use, registers the routes and the Source host, and starts and stops dsh-superagent |
+| `src/app/reclaim.ts` | Ended Tickets' workspace directories into what may be removed, and the disk they hold into the overview's readout |
 | `src/app/notices.ts` | Domain events and worker reports into notices and relays for the main Session |
 | `src/app/tools/main.ts`, `src/app/tools/executor.ts` | Tool arguments of the main Session and the Executor Sessions into calls of the core classes, and their results into cards |
 | `src/app/http.ts`, `src/app/views/`, `src/app/api.ts` | HTTP requests into calls, and Store reads into the panel's views; `api.ts` types every route for the panel |
@@ -316,6 +317,7 @@ Some generic modules still refer directly to GitHub or Feishu:
 | `src/app/runtime.ts` | The Runtime, the composition root, with its start and stop |
 | `src/app/setup.ts` | Setup, and `setupChanged`, whether a save changes a field setup reads |
 | `src/app/passes.ts` | Passes, the pass scheduler |
+| `src/app/reclaim.ts` | `Reclaimer`: hourly scans of the execution root that remove an Ended Ticket's directory once it outlives the retention, and the summary the overview reports |
 | `src/app/outbox.ts` | The Outbox: the Engine's `Outbox` port, the receipts and the `reply` effects that send them |
 | `src/app/notices.ts` | The main Session's notices and relays: `eventNotice`, `reportRelay`, `resultRelay` and `followupRelay` |
 | `src/app/store.ts` | The Store, and `Receipt`, a message of the outbox |
@@ -436,7 +438,8 @@ Some generic modules still refer directly to GitHub or Feishu:
 | `tests/runtime-concurrency.spec.ts` | Work that overlaps: Triggers during a pass, Tickets that change during deliveries and launches |
 | `tests/http.spec.ts` | The same-origin and loopback checks, the status of each kind of failure, the body limit, path parameters and queries |
 | `tests/settings.spec.ts` | Settings saves that race a model or account check, a Policy sync that a save outran, and the refusals of the pause, a sync and a block |
-| `tests/views.spec.ts` | What the management views derive from the Store, such as the Thread a dropped message belongs to |
+| `tests/views.spec.ts` | What the management views derive from the Store, such as the Thread a dropped message belongs to, and the overview's liveness and workspace readouts |
+| `tests/reclaim.spec.ts` | Which Ended Tickets' directories may be removed: the retention, the execution root, an open Ticket sharing one, and the end times that cannot be read |
 | `tests/timeline.spec.ts` | A Thread's pages and a Trigger's neighbours by time and then id, with every received Trigger's time in one form |
 | `tests/migration.spec.ts` | The schema 11 migration: every stored record in its current shape, and the refusal of older schemas |
 | `tests/store.spec.ts` | Repositories and their working sets, in SQLite as in memory, the kv area, with every key of `KV` spelled only in `src/kv.ts` and the migration, settings history and queries |