Added per-profile baseline readiness.

src/fgai/baseline.py

@@ -182,6 +182,16 @@ class BaselineStore:
                             output[entity].append(evidence)
         return output
 
+    def profile_readiness(self, profiles: dict[str, object]) -> list[dict[str, object]]:
+        rows: list[dict[str, object]] = []
+        with self._connect() as connection:
+            for stream_id, profile in profiles.items():
+                fields = [*getattr(profile, "categorical_fields", ()), *getattr(profile, "numeric_fields", ())]
+                for field in fields:
+                    count = connection.execute("select count(distinct bucket_start) from profile_buckets where stream_id=? and field=?", (stream_id, str(field).lower())).fetchone()[0]
+                    rows.append({"stream_id": stream_id, "field": str(field), "buckets": count, "ready": count >= 12})
+        return rows
+
     def profiles(self, source_ips: set[str]) -> dict[str, dict[str, object]]:
         profiles: dict[str, dict[str, object]] = {}
         with self._connect() as connection: