feat(legacy-meter): schedule 8h capture activity on railiance01

Add legacy-meter-8h-capture cron (0 */8 * * * UTC), pass hours through the
state-hub resolver, and label progress summaries by window size.

tests/test_state_hub_context_resolver.py

@@ -768,6 +768,32 @@ def test_legacy_meter_weekly_review_summarises_candidates(monkeypatch) -> None:
     assert result["retirement_candidates"][0]["interface_key"] == "mcp:create_workstream"
 
 
+def test_legacy_meter_weekly_review_passes_hours_param(monkeypatch) -> None:
+    seen: dict[str, Any] = {}
+
+    def fake_get(url: str, **kwargs: Any) -> DummyResponse:
+        seen["params"] = kwargs.get("params")
+        return DummyResponse(
+            {
+                "generated_at": "2026-07-09T08:00:00+00:00",
+                "window_start": "2026-07-09T00:00:00+00:00",
+                "window_end": "2026-07-09T08:00:00+00:00",
+                "interfaces": [],
+                "retirement_candidates": [],
+            }
+        )
+
+    monkeypatch.setenv("STATE_HUB_URL", "http://state-hub.test")
+    monkeypatch.setattr(httpx, "get", fake_get)
+
+    result = StateHubContextResolver().resolve(
+        "legacy_meter_weekly_review", None, {"hours": 8}
+    )
+
+    assert seen["params"] == {"hours": 8}
+    assert result["window_label"] == "8h"
+
+
 def test_phase5_stabilization_check_passes(monkeypatch) -> None:
     payloads = {
         "/state/health": {"status": "ok", "db": "connected"},