Implement P05 checked services and safe selected delivery recovery

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a092fe-13b1-7f12-ac74-7d258af4d79c

scripts/browser_journeys.py

@@ -22,6 +22,16 @@ if not chrome:
 if not chrome or not shutil.which('node'):
     raise SystemExit('Chromium and Node are required; set JOURNEY_CHROME to the Chromium executable. Browser tests were not run.')
 fixture=FactorRecoveryJourney();fixture.setUp();fixture.member(email='actual.login@example.test')
+from user_engine.domain import OutboxEvent
+fixture.app.service.store.append_outbox(OutboxEvent(event_id="p05-browser", event_type="family_member.invited", aggregate_id="fixture", tenant="tenant:trial:demo-company", correlation_id="p05-browser", payload={"primary_email":"fixture@example.test", "invitation_id":"fixture"}))
+class Delivery:
+    attempts = 0
+    def __call__(self, event):
+        self.attempts += 1
+        if self.attempts == 1: raise RuntimeError("synthetic outage")
+    def mail_delivery_status(self, event_id):
+        return {"state":"failed" if self.attempts == 1 else "provider_accepted" if self.attempts else "not_found"}
+fixture.app.outbox_delivery = Delivery()
 class Quiet(WSGIRequestHandler):
     def log_message(self,*args):pass
 server=make_server('127.0.0.1',0,fixture.app,handler_class=Quiet)