feat(execution): reconcile timed-out orders safely

tests/application/test_execution_policy_handler.py

@@ -75,14 +75,14 @@ class TestIntentPayloadParsing:
         assert slot.timeout_sec == 60
         assert slot.slippage_pct == 1.0
 
-    def test_buy_policy_fields_absent_means_none(self):
-        """Backward-compat: no policy fields in payload → None on slot."""
+    def test_buy_policy_fields_absent_uses_hard_fallback(self):
+        """No policy field still receives the hard 3,600-second fallback."""
         repo, _, intents = _wire()
         handler = make_intent_rpc_handler(intents)
         resp = handler(_buy_req())
         sid = UUID(resp.payload["slot_id"])
         slot = repo.fetch_slot(sid)
-        assert slot.timeout_sec is None
+        assert slot.timeout_sec == 3600
         assert slot.slippage_pct is None
 
     def test_sell_timeout_sec_parsed(self):
@@ -166,13 +166,13 @@ class TestDefaultOrderTimeoutSec:
         slot = repo.fetch_slot(d.slot_id)
         assert slot.timeout_sec == 30
 
-    def test_no_config_default_no_intent_timeout_means_none(self):
+    def test_no_config_default_no_intent_timeout_uses_hard_fallback(self):
         repo, _, intents = self._wire_with_default(default_timeout=None)
         d = intents.submit_buy(BuyIntent(
             intent_id="b1", portfolio_id="PF-1", qty=10,
         ))
         slot = repo.fetch_slot(d.slot_id)
-        assert slot.timeout_sec is None
+        assert slot.timeout_sec == 3600
 
 
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