Add hourly granularity validation warnings for insufficient baseline data with period-based availability checks and refactor health check settings card layout to vertical stacking of baseline/recent day inputs

panel_app/kpi_health_check_panel.py

@@ -1435,6 +1435,47 @@ def _validate_inputs() -> tuple[list[str], list[str]]:
     elif thr < 0:
         errors.append("Relative change threshold (%) must be >= 0")
 
+    g = str(granularity_select.value or "Daily").strip().lower()
+    is_hourly = g.startswith("hour") or g.startswith("h")
+    if is_hourly and (current_daily_by_rat or {}) and rd is not None and bd is not None:
+        try:
+            recent_periods = int(rd) * 24
+            baseline_periods = int(bd) * 24
+        except Exception:  # noqa: BLE001
+            recent_periods = 0
+            baseline_periods = 0
+
+        if recent_periods > 0:
+            for rat_name, df0 in (current_daily_by_rat or {}).items():
+                if df0 is None or df0.empty or "period_start" not in df0.columns:
+                    continue
+                df1 = _filtered_daily(df0)
+                if df1 is None or df1.empty or "period_start" not in df1.columns:
+                    continue
+                t = pd.to_datetime(df1["period_start"], errors="coerce").dropna()
+                if t.empty:
+                    continue
+                end_dt = pd.Timestamp(t.max()).floor("h")
+                min_dt = pd.Timestamp(t.min()).floor("h")
+                baseline_end = end_dt - timedelta(hours=int(recent_periods))
+                if min_dt > baseline_end:
+                    warnings.append(
+                        f"{rat_name}: Hourly baseline is empty (no data before the recent window). "
+                        f"Export more hourly history or reduce Recent window (days)."
+                    )
+                elif baseline_periods > 0:
+                    try:
+                        available_baseline_hours = int(
+                            ((baseline_end - min_dt) / timedelta(hours=1)) + 1
+                        )
+                    except Exception:  # noqa: BLE001
+                        available_baseline_hours = 0
+                    if 0 < available_baseline_hours < int(baseline_periods):
+                        warnings.append(
+                            f"{rat_name}: Hourly baseline window is truncated "
+                            f"({available_baseline_hours}h available < {int(baseline_periods)}h requested)."
+                        )
+
     ar = analysis_range.value
     if ar and isinstance(ar, (list, tuple)) and len(ar) == 2 and ar[0] and ar[1]:
         try:
@@ -4012,7 +4053,8 @@ sidebar = pn.Column(
     pn.Card(
         analysis_range,
         granularity_select,
-        pn.Row(baseline_days, recent_days, sizing_mode="stretch_width"),
+        baseline_days,
+        recent_days,
         rel_threshold_pct,
         min_consecutive_days,
         title="Health check settings",