docs: fix persistence.md paths for harness-state split

docs/persistence.md

@@ -64,17 +64,17 @@ Retention:
   `cancelled_at_unix`, then `reap_cancelled` drops the row on
   the next worker pass.
 
-### `/state/hyperhive-events.sqlite` (per agent)
+### `/harness/hyperhive-events.sqlite` (per agent)
 
-Lives inside each container's bind-mounted `/state/` dir (host
-path: `/var/lib/hyperhive/agents/<name>/state/hyperhive-events.sqlite`).
+Lives inside each container's bind-mounted `/harness/` dir (host
+path: `/var/lib/hyperhive/agents/<name>/harness/hyperhive-events.sqlite`).
 One table:
 
 - `events(id, ts, kind, payload_json)` — every `LiveEvent` the
   harness emits during turn loop execution.
 
 The harness writes; the host vacuums. `hive-c0re::events_vacuum`
-runs hourly and sweeps every existing agent state dir, deleting
+runs hourly and sweeps every existing agent harness dir, deleting
 rows older than 7 days. Age-only — no row cap — so a chatty turn
 doesn't lose history sooner than a quiet one; disk pressure on a
 sustained burst is the cheaper problem to have. Centralising
@@ -82,12 +82,12 @@ retention on the host means a misbehaving harness can't disable
 its own vacuum and agents don't need any cleanup wiring of their
 own.
 
-Path overridable via `HYPERHIVE_EVENTS_DB` (for dev / no-`/state`
+Path overridable via `HYPERHIVE_EVENTS_DB` (for dev / no-`/harness`
 setups). On open failure the `Bus` falls back to no-store mode
 rather than crashing the harness — events still broadcast over SSE,
 just nothing persisted.
 
-### `/state/hyperhive-turn-stats.sqlite` (per agent)
+### `/harness/hyperhive-turn-stats.sqlite` (per agent)
 
 Per-turn analytics sink. One row per claude turn captures
 identity (`model`, `wake_from`, `result_kind`), timing
@@ -149,7 +149,7 @@ Writes are best-effort: `append_stdout` / `append_stderr` / `finish`
 log a warning on sqlite error and let the build continue. A failed
 log row never blocks a rebuild.
 
-### `/state/hyperhive-model` (per agent)
+### `/harness/hyperhive-model` (per agent)
 
 Single-line text file holding the claude model name currently
 selected for this agent (default `haiku` when absent). Written by
@@ -169,11 +169,10 @@ Under `/var/lib/hyperhive/agents/<name>/`:
   `/agents` tree bind.
 - `claude/` — claude OAuth credentials, bind-mounted RW to
   `/home/<name>/.claude` inside the container.
-- `state/` — durable notes, the events.sqlite db, and the
-  turn-stats sqlite db. Bind-mounted to `/agents/<name>/state`
-  inside the container (uniform for sub-agents + manager).
-  The `$HYPERHIVE_STATE_DIR` env var exposes the same path to
-  in-container scripts.
+- `state/` — durable notes and `hyperhive-harness.json`. Bind-mounted
+  to `/agents/<name>/state` inside the container (uniform for
+  sub-agents + manager). The `$HYPERHIVE_STATE_DIR` env var exposes
+  the same path to in-container scripts.
 - `harness/` — harness-internal ephemeral state; not intended for
   agent consumption. Bind-mounted to `/agents/<name>/harness`
   inside the container (`$HYPERHIVE_HARNESS_DIR`). Contents:
@@ -184,8 +183,7 @@ Under `/var/lib/hyperhive/agents/<name>/`:
     inspecting with `bash_status`.
   - `hyperhive-events.sqlite` — turn-loop event log.
   - `hyperhive-turn-stats.sqlite` — per-turn timing stats.
-  - `hyperhive-harness.json` — consolidated flags (rate-limited,
-    model override, etc.) written atomically on each turn.
+  - `hyperhive-model` — single-line model name override file.
 
 Under `/var/lib/hyperhive/applied/<name>/` — the hive-c0re-only
 applied repo. Tracks `flake.nix` (module-only boilerplate; never
@@ -219,7 +217,7 @@ step would re-fire).
 - `PURG3` (opt-in via the dashboard button or
   `hive-c0re destroy --purge <name>`) — DESTR0Y plus wipes
   `/var/lib/hyperhive/{agents,applied}/<name>/`. Config history,
-  claude creds, /state/ notes, and the events db are all gone.
+  claude creds, /state/ notes, and the harness dir are all gone.
   No undo.
 
 The manager is non-destroyable from both paths (declarative