fix: restore Python 3.12 startup and release 2.0.1

artemis/core/diagnostics/engine.py

@@ -145,16 +145,16 @@ class ReadinessEngine:
         device check.
         """
         cacheable = categories is None
-        request_started = time.monotonic()
+        cache_at_request = self._report_cache
         if cacheable and not force_refresh:
             cached = self._cached_report(self._REPORT_CACHE_TTL_SECONDS)
             if cached is not None:
                 return cached
 
         async with self._report_lock:
-            # A refresh that completed while this caller waited satisfies even a
-            # forced request that began before it, coalescing concurrent clicks.
-            if cacheable and self._report_cache_time >= request_started:
+            # A replacement report completed while this caller waited. Compare
+            # the snapshot itself: sequential requests can share a clock tick.
+            if cacheable and self._report_cache is not cache_at_request:
                 cached = self._cached_report(float("inf"))
                 if cached is not None:
                     return cached