feat: test shorter post-stop reentry guards

scripts/run_daily_reentry_matrix.py

@@ -32,8 +32,11 @@ if str(ROOT) not in sys.path:
 POLICY_NAMES = (
     "immediate",
     "next_session",
+    "cooldown_2",
+    "cooldown_3",
     "cooldown_5",
     "gate_reset",
+    "strict_gate_reset",
     "gate_reset_improved",
     "two_session_confirmation",
 )
@@ -226,7 +229,11 @@ class ReentryPolicy:
         sessions = int(state["sessions_since_stop"])
         candidate = self.engine.candidate(symbol, asof_ord)
         if candidate is None:
-            state["gate_went_unqualified"] = True
+            # The strict reset deliberately ignores the stop-day gate state:
+            # it requires a later completed session to go unqualified before
+            # any requalification can trigger a new entry.
+            if self.name != "strict_gate_reset" or sessions >= 1:
+                state["gate_went_unqualified"] = True
             state["qualified_streak"] = 0
             return None
         self.gate_passes += 1
@@ -244,12 +251,16 @@ class ReentryPolicy:
         elif self.name == "next_session":
             if sessions >= 1:
                 reason = "stop_day_block_complete"
-        elif self.name == "cooldown_5":
-            if sessions >= 5:
-                reason = "5_session_cooldown_complete"
+        elif self.name.startswith("cooldown_"):
+            cooldown_sessions = int(self.name.removeprefix("cooldown_"))
+            if sessions >= cooldown_sessions:
+                reason = f"{cooldown_sessions}_session_cooldown_complete"
         elif self.name == "gate_reset":
             if state["gate_went_unqualified"]:
                 reason = "gate_failed_then_requalified"
+        elif self.name == "strict_gate_reset":
+            if state["gate_went_unqualified"]:
+                reason = "post_stop_gate_failed_then_requalified"
         elif self.name == "gate_reset_improved":
             previous_rank = state.get("previous_rank")
             current_rank = candidate.get(self.ranking_key)
@@ -820,8 +831,9 @@ async def _main() -> None:
             "same policy, lookback, cost, capacity, and holdout matrix. Each "
             "immediate callback must match its direct no-lockdown simulation exactly. "
             "Immediate is the daily no-lockdown baseline; next_session blocks only "
-            "the stop day; cooldown_5 permits re-entry at wait_sessions=5; gate_reset "
-            "requires an unqualified close before requalification; "
+            "the stop day; cooldown_N permits re-entry at wait_sessions=N; gate_reset "
+            "counts the stop-day gate state, while strict_gate_reset requires an "
+            "unqualified close on a later completed session before requalification; "
             "gate_reset_improved additionally requires a higher stop and a non-weaker "
             "production rank; two_session_confirmation requires two consecutive "
             "qualified post-stop closes and excludes the stop day's close. Transaction "

tests/unit/test_daily_reentry_matrix.py

@@ -49,13 +49,17 @@ def test_next_session_blocks_only_stop_day():
     assert _call(policy, ORD + 1, state, 1) is not None
 
 
-def test_five_session_cooldown_unlocks_at_exact_boundary():
-    engine = PrecomputedDailyEngine([_candidate(ORD + 4), _candidate(ORD + 5)])
-    policy = ReentryPolicy("cooldown_5", engine, RANKING_KEY)
+@pytest.mark.parametrize("sessions", [2, 3, 5])
+def test_cooldown_unlocks_at_exact_boundary(sessions):
+    engine = PrecomputedDailyEngine([
+        _candidate(ORD + sessions - 1),
+        _candidate(ORD + sessions),
+    ])
+    policy = ReentryPolicy(f"cooldown_{sessions}", engine, RANKING_KEY)
     state = _state()
 
-    assert _call(policy, ORD + 4, state, 4) is None
-    assert _call(policy, ORD + 5, state, 5) is not None
+    assert _call(policy, ORD + sessions - 1, state, sessions - 1) is None
+    assert _call(policy, ORD + sessions, state, sessions) is not None
 
 
 def test_gate_reset_requires_failure_before_requalification():
@@ -70,6 +74,30 @@ def test_gate_reset_requires_failure_before_requalification():
     assert emitted["_reentry_reason"] == "gate_failed_then_requalified"
 
 
+def test_strict_gate_reset_ignores_stop_day_failure():
+    engine = PrecomputedDailyEngine([
+        _candidate(ORD + 1),
+        _candidate(ORD + 3),
+    ])
+    policy = ReentryPolicy("strict_gate_reset", engine, RANKING_KEY)
+    state = _state()
+
+    # An unqualified stop-day close alone does not reset the strict policy.
+    assert _call(policy, ORD, state, 0) is None
+    assert state["gate_went_unqualified"] is False
+    assert _call(policy, ORD + 1, state, 1) is None
+
+    # A later unqualified close establishes the reset; only then may the next
+    # qualified setup re-enter.
+    assert _call(policy, ORD + 2, state, 2) is None
+    assert state["gate_went_unqualified"] is True
+    emitted = _call(policy, ORD + 3, state, 3)
+    assert emitted is not None
+    assert emitted["_reentry_reason"] == (
+        "post_stop_gate_failed_then_requalified"
+    )
+
+
 def test_improved_gate_reset_requires_better_stop_and_non_weaker_rank():
     engine = PrecomputedDailyEngine([
         _candidate(ORD + 1, stop=89.0, rank=82.0),