Attention: long rate-limit item scans active sources only

Per Codex: a paused/retired source with a future retry_after_at shouldn't nag
'rate-limited for 12h+' — it's intentionally out of polling. Scope long_rest to
active (matching the other operational items). Test: paused/retired rate-limited
sources stay quiet.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/test_dashboard.py

@@ -114,3 +114,16 @@ def test_attention_quiet_below_thresholds():
         {"status": "paused", "content_visible": 1, "last_success_at": "2020-01-01 00:00:00"},  # paused → ignored
     ]
     assert queries._attention(content, sources, 0, now=now) == []
+
+
+def test_attention_ignores_rate_limit_on_paused_or_retired():
+    from datetime import UTC, datetime
+    from goodnews import queries
+    now = datetime(2026, 6, 9, 12, 0, 0, tzinfo=UTC)
+    content = {"served": 100, "with_image": 95, "latest_brief_size": 7}
+    sources = [
+        {"status": "paused", "retry_after_at": "2026-06-12 00:00:00"},   # intentionally not polling
+        {"status": "retired", "retry_after_at": "2026-06-12 00:00:00"},
+    ]
+    # neither should nag about a rate-limit rest
+    assert queries._attention(content, sources, 0, now=now) == []