test(session): align turn-end contract artifacts

docs/core-data-structures/session.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/core-data-structures/session.md
-session.md: 998e6770a63b6afdb679ddd186da473e35927a02
-session.zh.md: 44e945a2b705846c30c7cfe4c25cb983dc00bee0
+session.md: 3e79a9278578e9fe3860bdbe72ff61319bbfa2c5
+session.zh.md: d701e35cde5a7ae8732efb9081d373410581d6e4

docs/core-data-structures/session.md

@@ -33,14 +33,14 @@ interface SessionEventMap {
    */
   'turn/start': { turn: number }
   /**
-   * Closes turn `turn` after `step`, the last entered step (`0` when none),
-   * with the {@link TurnEndReason} that ended it. The loop does not await a
+   * Closes turn `turn` with the {@link TurnEndReason} that ended it. A turn
+   * with no entered step has no `step/start` or `step/end`. The loop does not await a
    * flush at turn boundaries: `dsh-session-checkpoint-policy` owns the
    * per-request durability checkpoint, and consumers that read storage after
    * `whenIdle()` flush themselves. Success commits the turn; rejection is
    * reported live and does not prevent later work.
    */
-  'turn/end': { turn: number; step: number; reason: TurnEndReason }
+  'turn/end': { turn: number; reason: TurnEndReason }
   /** Opens step `step` of turn `turn` — one model call plus the tool executions it requested. */
   'step/start': { turn: number; step: number }
   /** Closes step `step` of turn `turn`. */

docs/core-data-structures/session.zh.md

@@ -33,14 +33,14 @@ interface SessionEventMap {
    */
   'turn/start': { turn: number }
   /**
-   * Closes turn `turn` after `step`, the last entered step (`0` when none),
-   * with the {@link TurnEndReason} that ended it. The loop does not await a
+   * Closes turn `turn` with the {@link TurnEndReason} that ended it. A turn
+   * with no entered step has no `step/start` or `step/end`. The loop does not await a
    * flush at turn boundaries: `dsh-session-checkpoint-policy` owns the
    * per-request durability checkpoint, and consumers that read storage after
    * `whenIdle()` flush themselves. Success commits the turn; rejection is
    * reported live and does not prevent later work.
    */
-  'turn/end': { turn: number; step: number; reason: TurnEndReason }
+  'turn/end': { turn: number; reason: TurnEndReason }
   /** Opens step `step` of turn `turn` — one model call plus the tool executions it requested. */
   'step/start': { turn: number; step: number }
   /** Closes step `step` of turn `turn`. */