test(rules): make the slow Claude Code check test independent of machine speed

tests/test_rules_from_chat.py

@@ -265,11 +265,13 @@ async def test_a_slow_claude_code_check_stops_instead_of_running_on(config, isol
     """ADR 0022: Claude Code works on the check only while the reply waits for it, never in the background."""
     import asyncio
 
+    started: list[bool] = []
     stopped: list[bool] = []
 
     class Slow(_FastRefuses):
         async def stream(self, role, messages, tools=None, *, model=None):
             if tools is None:  # the check
+                started.append(True)
                 try:
                     await asyncio.sleep(30)
                 except asyncio.CancelledError:
@@ -280,11 +282,12 @@ async def stream(self, role, messages, tools=None, *, model=None):
 
     llm = Slow(replies=["Got it."], primary="claude-code/sonnet")
     s = await _start(config, isolated_home, llm, [])
-    s.chat_rules.attended_s = 0.05
+    # long enough to reach Claude Code on a busy CI machine; a check that runs out before it starts is fine too
+    s.chat_rules.attended_s = 0.5
     try:
         sid = await s.store.create_session(channel="cli")
         _, events = await _turn(s, sid, "never delete my emails")
-        assert stopped == [True] and not s.chat_rules._checking
+        assert stopped == started and not s.chat_rules._checking  # every check Claude Code started was stopped
         assert events[-1].type == "done" and await s.chat_rules.list(sid, None) == []
     finally:
         await s.stop()