Add clinical threshold lines to AGP/Dagoverzicht charts, TIR stacked bar to Samenvatting

Closes gitea #14, #15.

pages/2_Samenvatting.py

@@ -9,7 +9,13 @@ from reporting import (
     sensor_active_percent,
     tir_breakdown_5band,
 )
-from ui_common import load_range_data, render_completeness_warning, select_period_days
+from ui_common import (
+    build_tir_stacked_bar_figure,
+    get_colors,
+    load_range_data,
+    render_completeness_warning,
+    select_period_days,
+)
 
 st.set_page_config(page_title="Glucose dashboard — Samenvatting", page_icon="📊", layout="wide")
 require_auth()
@@ -66,6 +72,8 @@ cols = st.columns(5)
 for col, band in zip(cols, band_labels, strict=True):
     col.metric(band_labels[band], f"{tir[band]:.0f}%", help=f"Streefwaarde: {band_targets[band]}")
 
+st.plotly_chart(build_tir_stacked_bar_figure(tir, get_colors()), width="stretch")
+
 st.caption(
     f"Periode: {start.strftime('%d-%m-%Y')} t/m {end.strftime('%d-%m-%Y')} "
     f"({len(glucose)} metingen) · streefwaarden volgens Battelino et al. 2019"