refactor: add rule engine, risk service, quote state machine, and replay tests

tests/replay/test_golden_replay.py

@@ -0,0 +1,42 @@
+import unittest
+
+from core.quote_state_machine import QuoteStateMachine
+
+
+class _State:
+    def __init__(self):
+        self.pending_image_urls = []
+        self.pending_requirements = []
+        self.quote_phase = "idle"
+        self.quote_ready_turns = 0
+
+
+class GoldenReplayTests(unittest.TestCase):
+    def test_replay_collect_then_ready_then_quote(self):
+        sm = QuoteStateMachine(delay_turns=1)
+        st = _State()
+
+        replay = [
+            {"event": "image", "url": "a.jpg", "want_phase": "collecting"},
+            {"event": "image", "url": "b.jpg", "want_phase": "collecting"},
+            {"event": "finish", "want_phase": "ready_to_quote", "want_defer": True},
+            {"event": "progress", "want_phase": "ready_to_quote", "want_defer": False},
+        ]
+
+        for step in replay:
+            if step["event"] == "image":
+                st.pending_image_urls.append(step["url"])
+                sm.refresh(st)
+                self.assertEqual(st.quote_phase, step["want_phase"])
+            elif step["event"] == "finish":
+                deferred = sm.should_defer_batch_quote(st, mark_ready=True)
+                self.assertEqual(st.quote_phase, step["want_phase"])
+                self.assertEqual(deferred, step["want_defer"])
+            elif step["event"] == "progress":
+                deferred = sm.should_defer_batch_quote(st, mark_ready=False)
+                self.assertEqual(st.quote_phase, step["want_phase"])
+                self.assertEqual(deferred, step["want_defer"])
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)