diff --git a/earned_time/.pre-commit-config.yaml b/earned_time/.pre-commit-config.yaml
index 7937ed4..1b38e77 100644
--- a/earned_time/.pre-commit-config.yaml
+++ b/earned_time/.pre-commit-config.yaml
@@ -67,7 +67,7 @@ repos:
         types: [python]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.7
+    rev: v0.17.0
     hooks:
       - id: ruff
         args: [--fix, --unsafe-fixes, --exit-non-zero-on-fix, --show-fixes]
diff --git a/earned_time/README.md b/earned_time/README.md
index 4e18a38..db775d3 100644
--- a/earned_time/README.md
+++ b/earned_time/README.md
@@ -25,9 +25,11 @@ never a same-day cut):
   each earner's `shutdown_minutes` (a second workout +60), capped at 23:00.
 - **From `LADDER_FROM` — the sleep ladder.** The ceiling is eight hours of
   sleep before the alarm: `WAKE_MINUTES` (07:00) − 8 h = 23:00. The floor is
-  that ceiling minus the sum of every registered earner's first-unit rung
-  (`LADDER`, a `Rung` per earner name), so doing everything lands exactly on
-  the ceiling:
+  that ceiling minus the sum of every registered earner's rung (a `Rung` per
+  earner name; all of a counted earner's capped units), so doing everything
+  lands exactly on the ceiling. Since 0.6.1 `TUTOR_FROM == LADDER_FROM`, so
+  every real ladder day uses `TUTOR_LADDER` (below); `LADDER`, the pre-tutor
+  split, is never in force on a real day:
 
   | done | shutdown |
   |---|---|
@@ -59,9 +61,10 @@ one signed row per verified 15-minute block, `tutor_match` on
 | each | +15 min | 13 / 13 / 12 / 12 |
 | all 4 | +60 (Anki's 30 folded in) | +50 (Anki's 25 folded in) |
 
-The gaming base drops by the full 60 (`Earner.max_gaming_minutes`) and the
-ladder floor by the full 50, so nothing done is still 3 h / 19:00 and
-everything done is still 8 h / 23:00. Days before `TUTOR_FROM` resolve on
+Once its penalty has started, the gaming base drops by the full 60
+(`Earner.max_gaming_minutes`) and the ladder floor by the full 50, so nothing
+done is 3 h / 19:00 and everything done is still 8 h / 23:00. Until then
+(given `first_credits`, see below) it costs nothing: 4 h / 19:50. Days before `TUTOR_FROM` resolve on
 `EARNERS` exactly as before. Consumers must iterate `earners_for(day)`, never
 `EARNERS`; `resolve`/`base_for` default to it, and ignore answers for an
 earner of another day's registry.
@@ -70,10 +73,10 @@ earner of another day's registry.
 credit, and the tutor is not confirmed yet, so from `ANKI_WAIVED_FROM` until
 `TUTOR_FROM` the registry is `EARNERS` without `anki` and `automation`:
 neither penalised nor paid. The base rises by exactly what the two could have
-paid back (nothing done: 4 h / 19:50 on a ladder day; everything done: still
-8 h / 23:00), so it can only ever raise time. `TUTOR_FROM` stays a far-future
-sentinel (2099-01-01) until kuhy confirms a real tutor session credits a
-block; it is then set to the day after, never the deploy day.
+paid back (nothing done: 4 h / 19:00, pre-ladder; everything done: still
+8 h / 23:00), so it can only ever raise time. `TUTOR_FROM` is 2026-10-10
+(0.6.1), the day after the deploy, never the deploy day; the waiver therefore
+covers 2026-10-09 only. The tutor has no `confirmed_on` yet, so it stays `new`.
 
 ## Gate maturity (0.6.0)
 
@@ -97,8 +100,14 @@ How far to trust a gate is computed from its ledger, never listed by name:
   max(`penalty_from`, day after `confirmed_on`), so deleting or locking a
   ledger cannot lift a penalty. Pass `first_credits={name: Maturity.first_credit}`, computed
   over `earners_for(day)` (two earners share the name `automation`), to `resolve`
-  / `base_for` to apply it; omitted, every day resolves exactly as in 0.5.0.
-  It can only delay a penalty, never add one.
+  / `base_for` to apply it; omitted, a penalty starts at `penalty_from`, as
+  in 0.5.0. It can only delay a penalty, never add one.
+- **Ladder floor (0.6.1):** the same start gates the shutdown floor. A rung
+  comes off the floor only for a pure bonus (no `penalty_from`: workout,
+  LeetCode) or an earner whose penalty has started, so a gate that never paid
+  out cannot lower it either (10-10, tutor never credited: 19:50, not 19:00).
+  An unwired consumer (no `first_credits`) cuts the tutor from `penalty_from`:
+  19:00 / 3 h.
 - **CLI:** `python -m earned_time maturity [--json] [--day YYYY-MM-DD]`
   prints one row per ledger-backed earner of every registry. It is the only
   code that resolves real paths (`~/<Earner.ledger>`,
@@ -164,11 +173,12 @@ on the day itself is logged and does not count.
    )
    ```
 
-   Then give it a rung in `LADDER` (`PIANO.name: Rung(20)`), and, if its
+   Then give it a rung in `TUTOR_LADDER` (`PIANO.name: Rung(20)`), and, if its
    matcher decides on an event stamp, an entry in `_match.CREDIT_STAMPS`.
 
-   On the ladder a new earner's rung comes out of the floor the day its pin
-   lands (the ceiling is fixed): re-split the rungs and ship it the day the
+   On the ladder a new earner's rung comes out of the floor from its
+   penalty start (a pure bonus: the day its pin lands; the ceiling is fixed):
+   re-split the rungs and ship it the day the
    gate can actually be satisfied.
 3. Bump the version, tag `earned-time-vX.Y.Z`, and bump the pin in both
    consumers. Neither needs code for a ledger-backed flat earner.
@@ -191,7 +201,7 @@ on the day itself is logged and does not count.
 ## Install
 
 ```console
-pip install --user --break-system-packages --no-deps "earned-time @ git+https://github.com/kuhyx/utils@earned-time-v0.6.0#subdirectory=earned_time"
+pip install --user --break-system-packages --no-deps "earned-time @ git+https://github.com/kuhyx/utils@earned-time-v0.6.1#subdirectory=earned_time"
 ```
 
 The root `steam-backlog-enforcer.service` sets `HOME=/home/kuhy`, so it imports
diff --git a/earned_time/earned_time/_ladder.py b/earned_time/earned_time/_ladder.py
index 694d6c6..22208f1 100644
--- a/earned_time/earned_time/_ladder.py
+++ b/earned_time/earned_time/_ladder.py
@@ -35,10 +35,12 @@ LADDER_FROM: Final = date(2026, 10, 10)
 # sleep before it, so moving the alarm moves the whole ladder with it.
 WAKE_MINUTES: Final = 7 * 60
 # From this day the Anki earner is retired and Automation is paid per tutor
-# block (``earned_time._policy.AUTOMATION_TUTOR``). A far-future sentinel
-# until kuhy confirms a real tutor session earns a block; then the day after
-# that confirmation -- never the deploy day itself (a same-day cut, 2026-09-26).
-TUTOR_FROM: Final = date(2099, 1, 1)
+# block (``earned_time._policy.AUTOMATION_TUTOR``). The day after the deploy
+# (0.6.1, 2026-10-09) -- never the deploy day itself (a same-day cut,
+# 2026-09-26). The tutor is still unconfirmed (no ``confirmed_on``), so given
+# ``first_credits`` it costs nothing -- neither gaming base nor ladder floor
+# -- until the day after it first pays out.
+TUTOR_FROM: Final = date(2026, 10, 10)
 # From this day until TUTOR_FROM the Anki and old Automation earners are
 # waived: neither penalised nor paid, since both are being retired and the
 # tutor that replaces them is not yet confirmed. Raise-only on every day (the
diff --git a/earned_time/earned_time/_policy.py b/earned_time/earned_time/_policy.py
index 7fc207e..0fe2c4b 100644
--- a/earned_time/earned_time/_policy.py
+++ b/earned_time/earned_time/_policy.py
@@ -203,8 +203,8 @@ AUTOMATION_TUTOR: Final = Earner(
     gaming_minutes=15,
     extra_gaming_minutes=15,
     max_units=4,
-    # Pre-ladder values, unused (TUTOR_FROM is after LADDER_FROM); the ladder
-    # pays 13/13/12/12 (``TUTOR_LADDER``).
+    # Pre-ladder values, unused (TUTOR_FROM is not before LADDER_FROM); the
+    # ladder pays 13/13/12/12 (``TUTOR_LADDER``).
     shutdown_minutes=13,
     extra_shutdown_minutes=13,
     kind="counted",
diff --git a/earned_time/earned_time/_resolve.py b/earned_time/earned_time/_resolve.py
index 7818aab..a04c3e2 100644
--- a/earned_time/earned_time/_resolve.py
+++ b/earned_time/earned_time/_resolve.py
@@ -14,8 +14,9 @@ all -- earns nothing: fail closed. The difference shows up only in
 **Maturity can only delay a penalty.** Given ``first_credits`` (each earner's
 first real credit, from :func:`earned_time.maturity`), a penalty starts no
 earlier than the day after the gate first paid out
-(:func:`~earned_time._maturity.penalty_start`). Without it every day resolves
-exactly as in 0.5.0.
+(:func:`~earned_time._maturity.penalty_start`). Without it a penalty starts at
+``penalty_from``, as in 0.5.0. The same start spares the ladder floor: a gate
+whose penalty has not started does not lower it (0.6.1).
 """
 
 from __future__ import annotations
@@ -129,23 +130,21 @@ def _penalised(
     return start is not None and day >= start
 
 
-def _shutdown_floor(
-    day: date,
-    earners: tuple[Earner, ...],
-    first_credits: Mapping[str, date | None] | None = None,
-) -> int:
-    """Shutdown of a day that earned nothing.
+def _shutdown_floor(day: date, earners: tuple[Earner, ...], cut: list[Earner]) -> int:
+    """Shutdown of a day that earned nothing; ``cut``: the penalties in force.
 
-    On the ladder: the ceiling minus the most every registered earner can
-    pay (all of a capped earner's units), so doing everything lands exactly
-    on the ceiling. Before it: the old base minus the penalties in force.
+    On the ladder: the ceiling minus the most each earner can pay (all of a
+    capped earner's units), so doing everything lands exactly on the ceiling
+    -- but only a pure bonus (no ``penalty_from``) or an earner in ``cut``: a
+    gate whose penalty has not started cannot lower the floor (0.6.1). Before
+    it: the old base minus the penalties in force.
     """
     if on_ladder(day):
+        rungs = (e for e in earners if e.penalty_from is None or e in cut)
         return shutdown_ceiling_for(day) - sum(
-            e.shutdown_for(e.max_units or 1, day) for e in earners
+            e.shutdown_for(e.max_units or 1, day) for e in rungs
         )
-    penalised = [e for e in earners if _penalised(e, day, first_credits)]
-    return SHUTDOWN_BASE_MINUTES - sum(e.shutdown_minutes for e in penalised)
+    return SHUTDOWN_BASE_MINUTES - sum(e.shutdown_minutes for e in cut)
 
 
 def base_for(
@@ -159,8 +158,8 @@ def base_for(
     Gaming: every penalty in force, the most each earner can pay, taken off
     the gaming base. Shutdown: see :func:`_shutdown_floor` -- the two are
     derived separately so the ladder can never move a gaming minute.
-    ``first_credits`` (per earner name) delays each penalty to
-    :func:`penalty_start`; omitted, 0.5.0's ``penalty_from`` applies.
+    ``first_credits`` (per earner name) delays each penalty, and the ladder
+    rung, to :func:`penalty_start`; omitted, 0.5.0's ``penalty_from`` applies.
     """
     target = day or _today()
     registry = earners_for(target) if earners is None else earners
@@ -168,7 +167,7 @@ def base_for(
     return Base(
         gaming_minutes=GAMING_BASE_MINUTES
         - sum(e.max_gaming_minutes for e in penalised),
-        shutdown_minutes=_shutdown_floor(target, registry, first_credits),
+        shutdown_minutes=_shutdown_floor(target, registry, penalised),
     )
 
 
diff --git a/earned_time/earned_time/tests/test_ladder.py b/earned_time/earned_time/tests/test_ladder.py
index e89966f..fd90cce 100644
--- a/earned_time/earned_time/tests/test_ladder.py
+++ b/earned_time/earned_time/tests/test_ladder.py
@@ -34,6 +34,17 @@ FIRST = date(2026, 10, 10)
 NAMES = [e.name for e in EARNERS]
 
 
+@pytest.fixture(autouse=True)
+def _pre_tutor_ladder(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Keep the tutor cutover out of the way of ``LADDER``'s own arithmetic.
+
+    Since 0.6.1 ``TUTOR_FROM == LADDER_FROM``, so no real day resolves on
+    ``LADDER``; these tests pin the ladder mechanism on it regardless (the
+    tutor's rungs: ``test_tutor.py``).
+    """
+    monkeypatch.setattr(ladder, "TUTOR_FROM", date(2099, 1, 1))
+
+
 def _shutdown(day: date, **done: int) -> str:
     answers = {name: done.get(name, 0) for name in NAMES}
     minutes = resolve(answers, day, EARNERS).shutdown_minutes
diff --git a/earned_time/earned_time/tests/test_maturity_floor.py b/earned_time/earned_time/tests/test_maturity_floor.py
new file mode 100644
index 0000000..70b5c46
--- /dev/null
+++ b/earned_time/earned_time/tests/test_maturity_floor.py
@@ -0,0 +1,148 @@
+# Copyright (c) 2026 Krzysztof Rudnicki
+"""A gate whose penalty has not started spares the ladder floor (0.6.1).
+
+Maturity may only raise time: the floor is never below 0.6.0's (the ceiling
+minus every registered earner's rung), never above the ceiling, and passing
+``first_credits`` never lowers anything.
+"""
+
+from __future__ import annotations
+
+from dataclasses import replace
+from datetime import date, timedelta
+
+import pytest
+
+from earned_time import (
+    AUTOMATION_TUTOR,
+    EARNERS,
+    LADDER_FROM,
+    TUTOR_FROM,
+    WORKOUT,
+    Earner,
+    base_for,
+    earners_for,
+    resolve,
+    shutdown_ceiling_for,
+)
+
+DAY = timedelta(days=1)
+LADDER_DAYS = (LADDER_FROM, LADDER_FROM + DAY, LADDER_FROM + 30 * DAY)
+FIRSTS = ("missing", None, -5, 0, 3)
+CONFIRMED = (None, -5, 3)
+# What the real ledgers said on 2026-10-09: the tutor never paid out.
+REAL = {
+    "workout": date(2026, 10, 1),
+    "leetcode": date(2026, 8, 12),
+    "reading": date(2026, 10, 2),
+    "automation": None,
+}
+
+
+def _hhmm(minutes: int) -> str:
+    return f"{minutes // 60:02d}:{minutes % 60:02d}"
+
+
+def _head_floor(day: date, registry: tuple[Earner, ...]) -> int:
+    """0.6.0's ladder floor: every registered rung, maturity ignored."""
+    return shutdown_ceiling_for(day) - sum(
+        e.shutdown_for(e.max_units or 1, day) for e in registry
+    )
+
+
+def _anchor(item: Earner) -> date:
+    return item.penalty_from or date(2026, 9, 1)
+
+
+def _registry(day: date, confirmed: int | None) -> tuple[Earner, ...]:
+    return tuple(
+        replace(
+            e,
+            confirmed_on=None if confirmed is None else _anchor(e) + confirmed * DAY,
+        )
+        for e in earners_for(day)
+    )
+
+
+def _firsts(
+    registry: tuple[Earner, ...], first: str | int | None
+) -> dict[str, date | None]:
+    if first == "missing":
+        return {}
+    if first is None:
+        return dict.fromkeys((e.name for e in registry), None)
+    assert isinstance(first, int)
+    return {e.name: _anchor(e) + first * DAY for e in registry}
+
+
+@pytest.mark.parametrize("day", LADDER_DAYS)
+@pytest.mark.parametrize("first", FIRSTS)
+@pytest.mark.parametrize("confirmed", CONFIRMED)
+@pytest.mark.parametrize("blocks", range(5))
+@pytest.mark.parametrize("done", [0, 1])
+def test_the_floor_only_ever_rises(
+    day: date, first: str | int | None, confirmed: int | None, blocks: int, done: int
+) -> None:
+    registry = _registry(day, confirmed)
+    answers = {e.name: done for e in registry} | {"automation": blocks}
+    firsts = _firsts(registry, first)
+    ceiling = shutdown_ceiling_for(day)
+    head = _head_floor(day, registry)
+    old = resolve(answers, day, registry)
+    new = resolve(answers, day, registry, first_credits=firsts)
+    earned = sum(t.shutdown_minutes for t in new.terms)
+    assert head <= old.base.shutdown_minutes <= new.base.shutdown_minutes <= ceiling
+    assert new.shutdown_minutes >= old.shutdown_minutes >= min(ceiling, head + earned)
+    assert new.gaming_minutes >= old.gaming_minutes
+    assert new.base.gaming_minutes >= old.base.gaming_minutes
+
+
+@pytest.mark.parametrize("day", LADDER_DAYS)
+@pytest.mark.parametrize("registry", [EARNERS, None])
+def test_omitting_first_credits_keeps_0_6_0_on_the_real_registries(
+    day: date, registry: tuple[Earner, ...] | None
+) -> None:
+    earners = earners_for(day) if registry is None else registry
+    assert base_for(day, registry).shutdown_minutes == _head_floor(day, earners)
+
+
+def test_a_never_paid_tutor_spares_the_first_tutor_day() -> None:
+    assert TUTOR_FROM == LADDER_FROM == date(2026, 10, 10)
+    base = base_for(TUTOR_FROM, first_credits=REAL)
+    assert (base.gaming_minutes, _hhmm(base.shutdown_minutes)) == (240, "19:50")
+    full = resolve(
+        {"workout": 1, "leetcode": 1, "reading": 1, "automation": 4},
+        TUTOR_FROM,
+        first_credits=REAL,
+    )
+    assert (full.gaming_minutes, _hhmm(full.shutdown_minutes)) == (480, "23:00")
+    # Unwired consumer (no first_credits): the tutor is cut from penalty_from.
+    fallback = base_for(TUTOR_FROM)
+    assert (fallback.gaming_minutes, _hhmm(fallback.shutdown_minutes)) == (
+        180,
+        "19:00",
+    )
+
+
+def test_the_floor_waits_for_the_day_after_the_first_block() -> None:
+    paid = REAL | {"automation": TUTOR_FROM}
+    for day, gaming, floor in (
+        (TUTOR_FROM, 240, "19:50"),
+        (TUTOR_FROM + DAY, 180, "19:00"),
+    ):
+        base = base_for(day, first_credits=paid)
+        assert (base.gaming_minutes, _hhmm(base.shutdown_minutes)) == (gaming, floor)
+
+
+def test_a_confirmed_tutor_with_no_credit_fails_closed_on_the_floor() -> None:
+    confirmed = replace(AUTOMATION_TUTOR, confirmed_on=TUTOR_FROM - DAY)
+    registry = (*earners_for(TUTOR_FROM)[:-1], confirmed)
+    base = base_for(TUTOR_FROM, registry, first_credits=REAL)
+    assert (base.gaming_minutes, _hhmm(base.shutdown_minutes)) == (180, "19:00")
+
+
+def test_a_pure_bonus_is_always_on_the_ladder() -> None:
+    assert WORKOUT.penalty_from is None
+    never = base_for(TUTOR_FROM, (WORKOUT,), first_credits={"workout": None})
+    assert never.shutdown_minutes == 23 * 60 - 110
+    assert never.gaming_minutes == 300  # and never cut from gaming
diff --git a/earned_time/earned_time/tests/test_tutor.py b/earned_time/earned_time/tests/test_tutor.py
index 1a0b7c3..bd80edc 100644
--- a/earned_time/earned_time/tests/test_tutor.py
+++ b/earned_time/earned_time/tests/test_tutor.py
@@ -12,6 +12,7 @@ from earned_time import (
     AUTOMATION_TUTOR,
     EARNERS,
     LADDER,
+    LADDER_FROM,
     TUTOR_EARNERS,
     TUTOR_FROM,
     TUTOR_LADDER,
@@ -38,9 +39,11 @@ def _day(blocks: int, **others: int) -> tuple[int, str]:
     return day.gaming_minutes, _hhmm(day.shutdown_minutes)
 
 
-def test_tutor_from_is_after_the_ladder_and_not_today() -> None:
-    assert date(2026, 10, 10) < TUTOR_FROM
+def test_tutor_from_is_the_day_after_the_deploy() -> None:
+    assert date(2026, 10, 10) == TUTOR_FROM
     assert date(2026, 10, 9) < TUTOR_FROM  # never the day it was prepared
+    assert LADDER_FROM <= TUTOR_FROM
+    assert AUTOMATION_TUTOR.confirmed_on is None  # no real session confirmed yet
 
 
 def test_registry_switches_on_tutor_from() -> None:
@@ -48,8 +51,9 @@ def test_registry_switches_on_tutor_from() -> None:
     assert earners_for(None) is earners_for(datetime.now().astimezone().date())
     assert earners_for(TUTOR_FROM) is TUTOR_EARNERS
     assert "anki" not in {e.name for e in TUTOR_EARNERS}
-    assert ladder_for(EVE) is LADDER
-    assert ladder_for(TUTOR_FROM) is TUTOR_LADDER
+    assert ladder_for(EVE) is None  # the eve is pre-ladder
+    # TUTOR_FROM == LADDER_FROM: the first ladder day already has the tutor's.
+    assert ladder_for(LADDER_FROM) is TUTOR_LADDER
     assert ladder_for(date(2026, 10, 1)) is None
 
 
@@ -68,6 +72,9 @@ def test_tutor_ladder_still_sums_to_the_old_one() -> None:
 
 
 def test_nothing_done_is_three_hours_and_19() -> None:
+    # Without first_credits (an unwired consumer): the tutor is cut from
+    # penalty_from; given them, a never-paid tutor costs nothing
+    # (test_maturity_floor.py).
     assert _day(0) == (180, "19:00")
     assert base_for(TUTOR_FROM).gaming_minutes == 180
 
@@ -105,9 +112,10 @@ def test_anki_is_neither_penalised_nor_paid_from_tutor_from() -> None:
 
 
 def test_the_eve_resolves_as_before() -> None:
+    # The eve is pre-ladder: 20:00 minus the cuts in force, plus the terms.
     eve = resolve({**OTHERS, "anki": 0, "automation": 0}, EVE, EARNERS)
     assert eve.base.gaming_minutes == 180
-    assert (eve.gaming_minutes, _hhmm(eve.shutdown_minutes)) == (420, "22:10")
+    assert (eve.gaming_minutes, _hhmm(eve.shutdown_minutes)) == (420, "22:00")
     done = resolve({**OTHERS, "anki": 1, "automation": 1}, EVE, EARNERS)
     assert (done.gaming_minutes, _hhmm(done.shutdown_minutes)) == (480, "23:00")
     assert done.term("automation").earner is AUTOMATION
diff --git a/earned_time/earned_time/tests/test_waiver.py b/earned_time/earned_time/tests/test_waiver.py
index d855ca0..d2c8ee4 100644
--- a/earned_time/earned_time/tests/test_waiver.py
+++ b/earned_time/earned_time/tests/test_waiver.py
@@ -30,12 +30,15 @@ def test_the_waiver_sits_between_the_old_registry_and_the_tutor() -> None:
 
 def test_nothing_done_is_raised_by_exactly_what_the_two_paid() -> None:
     zero = dict.fromkeys(NAMES, 0)
-    # The first ladder day inside the waiver (the waiver began pre-ladder).
-    assert ANKI_WAIVED_FROM <= LADDER_FROM < TUTOR_FROM
-    gap = resolve(zero, LADDER_FROM)
-    assert gap.base.gaming_minutes == 240
-    assert gap.gaming_minutes == 240
-    assert gap.shutdown_minutes == 23 * 60 - 190  # 19:50: workout+leetcode+reading
+    # TUTOR_FROM == LADDER_FROM: the waiver's only day is pre-ladder; the first
+    # ladder day's floor is in test_maturity_floor.py.
+    assert ANKI_WAIVED_FROM < LADDER_FROM == TUTOR_FROM
+    gap = resolve(zero, ANKI_WAIVED_FROM)
+    unwaived = resolve(zero, ANKI_WAIVED_FROM, EARNERS)
+    assert (gap.base.gaming_minutes, gap.gaming_minutes) == (240, 240)
+    assert gap.shutdown_minutes == 19 * 60  # 20:00 minus reading's 60
+    assert gap.gaming_minutes - unwaived.gaming_minutes == 30 + 30
+    assert gap.shutdown_minutes - unwaived.shutdown_minutes == 30 + 30
 
 
 @pytest.mark.parametrize("workout", [0, 1])
diff --git a/earned_time/pyproject.toml b/earned_time/pyproject.toml
index 48c9dda..fa4dc9f 100644
--- a/earned_time/pyproject.toml
+++ b/earned_time/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "earned-time"
-version = "0.6.0"
+version = "0.6.1"
 description = "Penalty-then-reward registry: what every gate app earns in gaming time and shutdown time"
 requires-python = ">=3.14"
 dependencies = []
@@ -25,6 +25,8 @@ ignore = [
     "COM812",
     "ISC001",
     "S603",
+    # personal repo, no copyright policy (ruff 0.17 made CPY001 stable under select=ALL)
+    "CPY001",
 ]
 fixable = ["ALL"]
 unfixable = []
diff --git a/earned_time/requirements.txt b/earned_time/requirements.txt
index 8702f9f..ce1a92d 100644
--- a/earned_time/requirements.txt
+++ b/earned_time/requirements.txt
@@ -7,4 +7,4 @@ pre-commit==4.6.2
 pylint==4.1.2
 pytest==9.1.1
 pytest-cov==7.1.0
-ruff==0.16.10
+ruff==0.17.0
diff --git a/earned_time/scripts/demo_tutor_cutover.py b/earned_time/scripts/demo_tutor_cutover.py
index 0bffe1d..35fa0c9 100644
--- a/earned_time/scripts/demo_tutor_cutover.py
+++ b/earned_time/scripts/demo_tutor_cutover.py
@@ -85,7 +85,7 @@ def _line(label: str, answers: dict[str, int], day: date) -> str:
 def main() -> None:
     """Print the table."""
     eve = TUTOR_FROM - timedelta(days=1)
-    _say(f"TUTOR_FROM = {TUTOR_FROM} (placeholder; set at go-live)")
+    _say(f"TUTOR_FROM = {TUTOR_FROM} (no first_credits: an unwired consumer)")
     _say(f"{'case':<44} {'gaming':>15}  shutdown")
     for done in (0, 1):
         answers = {**_OTHERS, "anki": done, "automation": done}