fix: natural-language skip runs scene close detection (T82.2)

The natural-language skip dispatch in chat.web.turns.post_turn
(intent="skip_elision") previously bypassed scene close detection
entirely. User prose like "fade out, skip an hour" carries both a
close signal and a skip directive — the close summary must capture
the closing scene's final beat (and promote per-POV memories) before
the time advances.

Insert detect_scene_close + apply_scene_close_summary BEFORE the skip
controller invocation in the skip_elision branch. Order: scene close
-> skip narration -> time advance. When there's no active scene or
the prose carries no close signal, detect_scene_close returns the
safe should_close=False default and the flow drops straight to the
skip controller — same behavior as today.

chat/web/turns.py

@@ -317,6 +317,49 @@ async def post_turn(
         )
 
     if intent == "skip_elision":
+        # T82.2: run scene-close detection on the user's prose BEFORE
+        # the skip controller fires. Prose like "fade out, skip an hour"
+        # carries both a close signal and a skip directive; we want the
+        # close summary to capture the closing scene's final beat (and
+        # promote per-POV memories) before the time advances. Order
+        # matters: scene close -> skip narration -> time advance.
+        #
+        # When there's no active scene (or the prose carries no close
+        # signal) ``detect_scene_close`` returns the safe
+        # ``should_close=False`` default and we drop straight to the
+        # skip controller — same behavior as today, no extra cost.
+        skip_scene = active_scene(conn, chat_id)
+        if skip_scene is not None:
+            container = None
+            if skip_scene.get("container_id") is not None:
+                container = get_container(conn, skip_scene["container_id"])
+            container_name = container["name"] if container else "unknown"
+            close_decision = await detect_scene_close(
+                client,
+                model=settings.classifier_model,
+                prose=prose,
+                current_container_name=container_name,
+            )
+            if close_decision.should_close:
+                append_and_apply(
+                    conn,
+                    kind="scene_closed",
+                    payload={
+                        "scene_id": skip_scene["id"],
+                        "ended_at": chat.get("time"),
+                        "significance": 0,
+                    },
+                )
+                await apply_scene_close_summary(
+                    conn,
+                    client,
+                    classifier_model=settings.classifier_model,
+                    chat_id=chat_id,
+                    scene_id=skip_scene["id"],
+                    host_bot_id=host_bot["id"],
+                    timeout_s=settings.classifier_timeout_s,
+                )
+
         # Derive ``new_time`` from the chat clock. Phase 3 stub: bump by
         # 1 hour. The drawer's elision form is the structured path when
         # the author wants a specific landing time; here the goal is

tests/test_turn_flow.py

@@ -1394,3 +1394,170 @@ def test_post_turn_consumes_pending_meanwhile_digests(
         from chat.state.meanwhile import list_pending_meanwhile_digests
 
         assert list_pending_meanwhile_digests(conn, "chat_bot_a") == []
+
+
+# ---------------------------------------------------------------------------
+# Phase 3.5 (T82.2) — natural-language skip runs scene close detection.
+#
+# A user typing "fade out, skip an hour" should close the scene FIRST
+# (so the close summary captures the closing scene's final beat) and
+# THEN run the elision skip. Without this wiring, the skip dispatch
+# branch bypasses scene close entirely.
+# ---------------------------------------------------------------------------
+
+
+def test_natural_language_skip_with_close_signal_closes_scene(
+    app_state_setup, tmp_path
+):
+    """Prose that hard-signals a close ("fade out, skip to morning") and
+    parses as ``intent=skip_elision`` must:
+
+    1. Land a ``scene_closed`` event before any skip event.
+    2. Run ``apply_scene_close_summary`` for the closing scene.
+    3. Land a ``time_skip_elision`` event AFTER the scene_closed.
+
+    Order matters — the scene_closed id must be lower than the
+    time_skip_elision id in the event_log.
+
+    Canned queue (single-bot, scene seeded, NO prior dialogue rows):
+      1. parse_turn -> intent=skip_elision
+      2. detect_scene_close -> should_close=True
+      3. apply_scene_close_summary host POV
+      4. narrate_skip narration
+
+    detect_threads (T58.2 fires on every close) short-circuits when the
+    scene-scoped transcript is empty — in this test no user/assistant
+    turns landed in scene 1 before the close, so no thread-detection
+    slot is needed.
+    """
+    # Seed an open scene so detect_scene_close has something to act on.
+    db_path = tmp_path / "test.db"
+    with open_db(db_path) as conn:
+        append_event(
+            conn,
+            kind="bot_authored",
+            payload={
+                "id": "bot_a",
+                "name": "BotA",
+                "persona": "thoughtful, observant",
+                "voice_samples": [],
+                "traits": [],
+                "backstory": "",
+                "initial_relationship_to_you": "",
+                "kickoff_prose": "...",
+            },
+        )
+        append_event(
+            conn,
+            kind="chat_created",
+            payload={
+                "id": "chat_bot_a",
+                "host_bot_id": "bot_a",
+                "initial_time": "2026-04-26T20:00:00+00:00",
+                "narrative_anchor": "Day 1",
+                "weather": "",
+            },
+        )
+        append_event(
+            conn,
+            kind="container_created",
+            payload={
+                "chat_id": "chat_bot_a",
+                "name": "office",
+                "type": "workplace",
+                "properties": {},
+            },
+        )
+        append_event(
+            conn,
+            kind="scene_opened",
+            payload={
+                "chat_id": "chat_bot_a",
+                "container_id": 1,
+                "started_at": "2026-04-26T20:00:00+00:00",
+                "participants": ["you", "bot_a"],
+            },
+        )
+        append_event(
+            conn,
+            kind="edge_update",
+            payload={
+                "source_id": "bot_a",
+                "target_id": "you",
+                "chat_id": "chat_bot_a",
+                "knowledge_facts": ["coworker"],
+            },
+        )
+        for entity_id, verb in [("you", "talking"), ("bot_a", "listening")]:
+            append_event(
+                conn,
+                kind="activity_change",
+                payload={
+                    "entity_id": entity_id,
+                    "posture": "sitting",
+                    "action": {
+                        "verb": verb,
+                        "interruptible": True,
+                        "required_attention": "low",
+                        "expected_duration": "ongoing",
+                    },
+                    "attention": "",
+                    "holding": [],
+                    "status": {},
+                },
+            )
+        project(conn)
+
+    canned_parse = json.dumps(
+        {
+            "segments": [
+                {"kind": "narration", "text": "fade out, skip to morning"}
+            ],
+            "intent": "skip_elision",
+            "landing_state_hint": "morning at home",
+        }
+    )
+    canned_close = json.dumps(
+        {"should_close": True, "reason": "fade out signaled"}
+    )
+    canned_pov = json.dumps(
+        {
+            "summary": "BotA noticed the day winding down.",
+            "knowledge_facts": [],
+            "relationship_summary": "warmer",
+        }
+    )
+    canned_narration = "The night fades and morning arrives."
+    mock = _override_llm(
+        [
+            canned_parse,
+            canned_close,
+            canned_pov,
+            canned_narration,
+        ]
+    )
+    try:
+        response = app_state_setup.post(
+            "/chats/chat_bot_a/turns",
+            data={"prose": "fade out, skip to morning"},
+        )
+        assert response.status_code == 204
+    finally:
+        app.dependency_overrides.clear()
+    # All 4 canned slots drained — close + skip both ran end-to-end.
+    assert mock._canned == []
+
+    with open_db(db_path) as conn:
+        # scene_closed and time_skip_elision both landed.
+        scene_close_rows = conn.execute(
+            "SELECT id FROM event_log WHERE kind = 'scene_closed'"
+        ).fetchall()
+        skip_rows = conn.execute(
+            "SELECT id FROM event_log WHERE kind = 'time_skip_elision'"
+        ).fetchall()
+        assert len(scene_close_rows) == 1, "scene_closed must land"
+        assert len(skip_rows) == 1, "time_skip_elision must land"
+        # Order: scene close first, then skip.
+        assert scene_close_rows[0][0] < skip_rows[0][0], (
+            "scene_closed must precede time_skip_elision in the event_log"
+        )