diff --git a/pages/1_Live.py b/pages/1_Live.py
index e653dff..6687d04 100644
--- a/pages/1_Live.py
+++ b/pages/1_Live.py
@@ -1,6 +1,8 @@
+import pandas as pd
 import plotly.graph_objects as go
 import requests
 import streamlit as st
+from plotly.subplots import make_subplots
 
 from auth import require_auth
 from data_processing import (
@@ -10,7 +12,15 @@ from data_processing import (
     summarize_time_in_range,
 )
 from nightscout_client import NightscoutConfigError, fetch_entries, fetch_treatments
-from ui_common import MMOL_HOVERTEMPLATE, get_colors
+from reporting import classify_bolus, effective_basal_series, target_glucose_series
+from ui_common import (
+    MMOL_HOVERTEMPLATE,
+    add_basal_area_trace,
+    add_bolus_marker_traces,
+    add_target_line_trace,
+    get_colors,
+    load_profile,
+)
 
 st.set_page_config(page_title="Glucose dashboard — Live", page_icon="📊", layout="wide")
 require_auth()
@@ -27,7 +37,28 @@ def load_nightscout_data(hours: int):
     return glucose, treatments
 
 
-def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -> go.Figure:
+def _basal_and_target_series(profile: dict, treatments: pd.DataFrame, window_start, window_end):
+    """Basaal- en streefwaarde-reeksen over een rollend venster dat meerdere
+    kalenderdagen kan overspannen: per dag berekend (reporting.effective_basal_series/
+    target_glucose_series zijn dag-begrensd) en daarna aan elkaar geplakt en
+    geclipt tot het venster."""
+    dates = pd.date_range(window_start.normalize(), window_end.normalize(), freq="D")
+    basal_parts, target_parts = [], []
+    for day_start in dates:
+        day_end = day_start + pd.Timedelta(1, unit="D")
+        basal_parts.append(effective_basal_series(profile, treatments, day_start, day_end))
+        target_parts.append(target_glucose_series(profile, day_start, day_end))
+
+    basal = pd.concat(basal_parts, ignore_index=True) if basal_parts else pd.DataFrame(columns=["timestamp", "rate"])
+    target = (
+        pd.concat(target_parts, ignore_index=True) if target_parts else pd.DataFrame(columns=["timestamp", "target"])
+    )
+    basal = basal[(basal["timestamp"] >= window_start) & (basal["timestamp"] <= window_end)]
+    target = target[(target["timestamp"] >= window_start) & (target["timestamp"] <= window_end)]
+    return basal.reset_index(drop=True), target.reset_index(drop=True)
+
+
+def build_chart(glucose, bolus, carbs, basal, target, site_changes, sensor_changes, colors) -> go.Figure:
     glucose_min = min(glucose["mmol"].min(), TARGET_LOW)
     glucose_max = max(glucose["mmol"].max(), TARGET_HIGH)
     y_top = glucose_max + 1.0
@@ -36,7 +67,7 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
     insulin_lane_y = lane_base + 1.5
     carbs_lane_y = lane_base + 0.7
 
-    fig = go.Figure()
+    fig = make_subplots(specs=[[{"secondary_y": True}]])
 
     # Streefbereik als achtergrondband, geen losse legenda-entry nodig.
     fig.add_hrect(
@@ -45,8 +76,13 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
         fillcolor=colors["band"],
         line_width=0,
         layer="below",
+        row=1,
+        col=1,
     )
 
+    add_basal_area_trace(fig, basal, colors, row=1, secondary_y=True)
+    add_target_line_trace(fig, target, colors, row=1)
+
     fig.add_trace(
         go.Scatter(
             x=glucose["timestamp"],
@@ -55,7 +91,9 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
             name="Glucose",
             line={"color": colors["glucose"], "width": 2, "shape": "spline"},
             hovertemplate=MMOL_HOVERTEMPLATE,
-        )
+        ),
+        row=1,
+        col=1,
     )
 
     low_points = glucose[glucose["mmol"] < TARGET_LOW]
@@ -69,7 +107,9 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
                 name=f"Laag (<{TARGET_LOW})",
                 marker={"color": colors["low"], "size": 6},
                 hovertemplate=MMOL_HOVERTEMPLATE,
-            )
+            ),
+            row=1,
+            col=1,
         )
     if not high_points.empty:
         fig.add_trace(
@@ -80,21 +120,12 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
                 name=f"Hoog (>{TARGET_HIGH})",
                 marker={"color": colors["high"], "size": 6},
                 hovertemplate=MMOL_HOVERTEMPLATE,
-            )
+            ),
+            row=1,
+            col=1,
         )
 
-    if not insulin.empty:
-        fig.add_trace(
-            go.Scatter(
-                x=insulin["timestamp"],
-                y=[insulin_lane_y] * len(insulin),
-                mode="markers",
-                name="Insuline",
-                marker={"color": colors["insulin"], "size": 10, "symbol": "triangle-up"},
-                customdata=insulin["insulin"],
-                hovertemplate="%{x|%d-%m %H:%M} · %{customdata:.1f} E<extra></extra>",
-            )
-        )
+    add_bolus_marker_traces(fig, bolus, colors, insulin_lane_y, row=1)
 
     if not carbs.empty:
         fig.add_trace(
@@ -106,14 +137,16 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
                 marker={"color": colors["carbs"], "size": 10, "symbol": "circle"},
                 customdata=carbs["carbs"],
                 hovertemplate="%{x|%d-%m %H:%M} · %{customdata:.0f} g<extra></extra>",
-            )
+            ),
+            row=1,
+            col=1,
         )
 
     # Let op: annotation_text/-position via add_vline() zelf triggert een bug
     # in plotly's shapeannotation-helper met pandas Timestamp-x-waarden, dus
     # de lijn en het label worden hier los toegevoegd.
     for _, row in site_changes.iterrows():
-        fig.add_vline(x=row["timestamp"], line_dash="dot", line_color=colors["muted"], opacity=0.6)
+        fig.add_vline(x=row["timestamp"], line_dash="dot", line_color=colors["muted"], opacity=0.6, row=1, col=1)
         fig.add_annotation(
             x=row["timestamp"],
             y=y_top,
@@ -121,9 +154,11 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
             text="Pomp",
             showarrow=False,
             font={"color": colors["muted"], "size": 10},
+            row=1,
+            col=1,
         )
     for _, row in sensor_changes.iterrows():
-        fig.add_vline(x=row["timestamp"], line_dash="dash", line_color=colors["muted"], opacity=0.6)
+        fig.add_vline(x=row["timestamp"], line_dash="dash", line_color=colors["muted"], opacity=0.6, row=1, col=1)
         fig.add_annotation(
             x=row["timestamp"],
             y=y_top,
@@ -131,6 +166,8 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
             text="Sensor",
             showarrow=False,
             font={"color": colors["muted"], "size": 10},
+            row=1,
+            col=1,
         )
 
     fig.update_layout(
@@ -140,14 +177,18 @@ def build_chart(glucose, insulin, carbs, site_changes, sensor_changes, colors) -
         legend={"orientation": "h", "yanchor": "bottom", "y": 1.02, "xanchor": "left", "x": 0},
         margin={"l": 10, "r": 10, "t": 10, "b": 10},
         height=480,
-        yaxis={
-            "title": "mmol/L",
-            "range": [y_bottom, y_top],
-            "gridcolor": colors["grid"],
-            "zeroline": False,
-        },
-        xaxis={"gridcolor": colors["grid"]},
     )
+    fig.update_yaxes(
+        title_text="mmol/L",
+        range=[y_bottom, y_top],
+        gridcolor=colors["grid"],
+        zeroline=False,
+        row=1,
+        col=1,
+        secondary_y=False,
+    )
+    fig.update_yaxes(title_text="Basaal (E/uur)", showgrid=False, row=1, col=1, secondary_y=True)
+    fig.update_xaxes(gridcolor=colors["grid"], row=1, col=1)
     return fig
 
 
@@ -160,6 +201,7 @@ with st.sidebar:
 
 try:
     glucose, treatments = load_nightscout_data(hours)
+    profile = load_profile()
 except NightscoutConfigError as exc:
     st.error(str(exc))
     st.stop()
@@ -172,7 +214,9 @@ if glucose.empty:
     st.stop()
 
 events = classify_treatments(treatments)
+bolus = classify_bolus(treatments)
 tir = summarize_time_in_range(glucose)
+basal, target = _basal_and_target_series(profile, treatments, glucose["timestamp"].min(), glucose["timestamp"].max())
 
 latest = glucose.iloc[-1]
 previous = glucose.iloc[-2] if len(glucose) > 1 else None
@@ -192,14 +236,17 @@ colors = get_colors()
 
 fig = build_chart(
     glucose,
-    events["insulin"],
+    bolus,
     events["carbs"],
+    basal,
+    target,
     events["site_changes"],
     events["sensor_changes"],
     colors,
 )
 st.plotly_chart(fig, width="stretch")
 st.caption(
-    "Driehoekjes = insuline · cirkels = koolhydraten · stippellijn = pompwissel · "
-    "streepjeslijn = sensorwissel"
+    "Stippen = bolusinsuline (voeding/correctie/SMB, grootte naar dosis) · cirkels = koolhydraten · "
+    "vlak = basaal · streepstippellijn = streefwaarde uit pompprofiel · "
+    "stippellijn = pompwissel · streepjeslijn = sensorwissel"
 )
diff --git a/pages/4_Dagoverzicht.py b/pages/4_Dagoverzicht.py
index 110e278..0bc6e5a 100644
--- a/pages/4_Dagoverzicht.py
+++ b/pages/4_Dagoverzicht.py
@@ -1,14 +1,21 @@
+import pandas as pd
 import plotly.graph_objects as go
 import requests
 import streamlit as st
 from plotly.subplots import make_subplots
 
 from auth import require_auth
-from data_processing import TARGET_HIGH, TARGET_LOW
+from data_processing import TARGET_HIGH, TARGET_LOW, classify_treatments
 from nightscout_client import NightscoutConfigError
+from reporting import classify_bolus, effective_basal_series, target_glucose_series
 from ui_common import (
+    add_basal_area_trace,
+    add_bolus_marker_traces,
+    add_carb_bars_trace,
+    add_target_line_trace,
     add_threshold_lines,
     get_colors,
+    load_profile,
     load_range_data,
     render_completeness_warning,
     select_period_days,
@@ -18,7 +25,7 @@ st.set_page_config(page_title="Glucose dashboard — Dagoverzicht", page_icon="
 require_auth()
 
 st.title("Dagoverzicht")
-st.caption("Eén glucosegrafiek per kalenderdag (FR4).")
+st.caption("Eén glucosegrafiek per kalenderdag, met basaal/bolus/koolhydraten-overlay (FR4).")
 
 start, end, days = select_period_days(default_label="14 dagen")
 if days > 31:
@@ -28,7 +35,8 @@ if days > 31:
     )
 
 try:
-    glucose, _treatments = load_range_data(start, end)
+    glucose, treatments = load_range_data(start, end)
+    profile = load_profile()
 except NightscoutConfigError as exc:
     st.error(str(exc))
     st.stop()
@@ -47,44 +55,122 @@ glucose = glucose.copy()
 glucose["date"] = glucose["timestamp"].dt.date
 glucose["hour"] = glucose["timestamp"].dt.hour + glucose["timestamp"].dt.minute / 60
 
+carbs_events = classify_treatments(treatments)["carbs"].copy()
+if not carbs_events.empty:
+    carbs_events["date"] = carbs_events["timestamp"].dt.date
+    carbs_events["hour"] = carbs_events["timestamp"].dt.hour + carbs_events["timestamp"].dt.minute / 60
+
+bolus_events = classify_bolus(treatments)
+if not bolus_events.empty:
+    bolus_events["date"] = bolus_events["timestamp"].dt.date
+    bolus_events["hour"] = bolus_events["timestamp"].dt.hour + bolus_events["timestamp"].dt.minute / 60
+
+
+def _close_step_to_day_end(df: pd.DataFrame, value_col: str) -> pd.DataFrame:
+    """Voeg een laatste punt op hour=24 toe (zelfde waarde als het laatste
+    segment) zodat een stapvlak/-lijn de volle dag doortekent i.p.v. te
+    stoppen bij het laatste breekpunt."""
+    if df.empty:
+        return df
+    last_value = df.iloc[-1][value_col]
+    closing_row = pd.DataFrame([{"hour": 24.0, value_col: last_value}])
+    return pd.concat([df, closing_row], ignore_index=True)
+
+
 dates = sorted(glucose["date"].unique())
-row_height = 150
+row_height = 190
 fig = make_subplots(
     rows=len(dates),
     cols=1,
     shared_xaxes=True,
-    subplot_titles=[d.strftime("%A %d-%m-%Y") for d in dates],
     vertical_spacing=min(0.4 / max(len(dates) - 1, 1), 0.05),
+    specs=[[{"secondary_y": True}]] * len(dates),
 )
 
 for i, day in enumerate(dates, start=1):
     day_df = glucose[glucose["date"] == day]
+    day_start = pd.Timestamp(day)
+    day_end = day_start + pd.Timedelta(1, unit="D")
+
     fig.add_hrect(
         y0=TARGET_LOW, y1=TARGET_HIGH, fillcolor=colors["band"], line_width=0, layer="below", row=i, col=1
     )
+    # Handmatige titel-annotatie t.o.v. het domein van déze rij i.p.v.
+    # make_subplots' subplot_titles (die t.o.v. de hele figuur positioneert en
+    # daardoor bij veel dagen de gedeelde legenda bovenaan kan overlappen).
+    fig.add_annotation(
+        text=day.strftime("%A %d-%m-%Y"),
+        xref="x domain",
+        yref="y domain",
+        x=0.0,
+        y=1.15,
+        xanchor="left",
+        yanchor="bottom",
+        showarrow=False,
+        font={"size": 13, "color": colors["text"]},
+        row=i,
+        col=1,
+    )
+
+    basal_day = effective_basal_series(profile, treatments, day_start, day_end)
+    if not basal_day.empty:
+        basal_day["hour"] = (basal_day["timestamp"] - day_start).dt.total_seconds() / 3600
+        basal_day = _close_step_to_day_end(basal_day, "rate")
+    add_basal_area_trace(fig, basal_day, colors, row=i, secondary_y=True, x_col="hour")
+
+    target_day = target_glucose_series(profile, day_start, day_end)
+    if not target_day.empty:
+        target_day["hour"] = (target_day["timestamp"] - day_start).dt.total_seconds() / 3600
+        target_day = _close_step_to_day_end(target_day, "target")
+    add_target_line_trace(fig, target_day, colors, row=i, x_col="hour")
+
+    add_carb_bars_trace(fig, carbs_events[carbs_events["date"] == day], colors, row=i, secondary_y=True, x_col="hour")
+
+    lane_y = day_df["mmol"].min() - 1.0 if not day_df.empty else TARGET_LOW - 1.0
+    add_bolus_marker_traces(fig, bolus_events[bolus_events["date"] == day], colors, lane_y, row=i, x_col="hour")
+
     fig.add_trace(
         go.Scatter(
             x=day_df["hour"],
             y=day_df["mmol"],
             mode="lines",
             line={"color": colors["glucose"], "width": 2},
-            showlegend=False,
+            name="Glucose",
             hovertemplate="%{y:.1f} mmol/L<extra></extra>",
         ),
         row=i,
         col=1,
+        secondary_y=False,
+    )
+    fig.update_yaxes(title_text="mmol/L", gridcolor=colors["grid"], row=i, col=1, secondary_y=False)
+    fig.update_yaxes(
+        title_text="Basaal (E/uur) · KH (g)", showgrid=False, row=i, col=1, secondary_y=True
     )
-    fig.update_yaxes(title_text="mmol/L", gridcolor=colors["grid"], row=i, col=1)
     add_threshold_lines(fig, colors, row=i)
 
+# Elke dag herhaalt dezelfde spoornamen (Glucose/Basaal/Koolhydraten/...) — zonder
+# deduplicatie zou de legenda 7x "Glucose" etc. tonen. Alleen de eerste keer per
+# naam blijft in de legenda staan.
+seen_names = set()
+for trace in fig.data:
+    if trace.name in seen_names:
+        trace.showlegend = False
+    else:
+        seen_names.add(trace.name)
+
 fig.update_xaxes(title_text="Uur van de dag", range=[0, 24], dtick=4, gridcolor=colors["grid"])
 fig.update_layout(
     paper_bgcolor="rgba(0,0,0,0)",
     plot_bgcolor="rgba(0,0,0,0)",
     font_color=colors["text"],
-    height=row_height * len(dates),
-    showlegend=False,
-    margin={"l": 10, "r": 10, "t": 30, "b": 10},
+    height=row_height * len(dates) + 40,
+    showlegend=True,
+    legend={"orientation": "h", "yanchor": "bottom", "y": 1.0, "xanchor": "left", "x": 0},
+    margin={"l": 10, "r": 10, "t": 40, "b": 10},
 )
 st.plotly_chart(fig, width="stretch")
-st.caption(f"{len(dates)} dagen · {len(glucose)} metingen")
+st.caption(
+    f"{len(dates)} dagen · {len(glucose)} metingen · stippen = bolusinsuline "
+    "(voeding/correctie/SMB, grootte naar dosis) · vlak = basaal · staafjes = koolhydraten · "
+    "streepstippellijn = streefwaarde uit pompprofiel"
+)
diff --git a/reporting.py b/reporting.py
index d59cf58..1c881d7 100644
--- a/reporting.py
+++ b/reporting.py
@@ -15,6 +15,7 @@ import numpy as np
 import pandas as pd
 
 from nightscout_client import INSULIN_EVENT_TYPES
+from profile_data import value_at
 
 # Klinische drempels in mmol/L (Battelino et al. 2019, Diabetes Care 42(8):1593-1603).
 VERY_LOW = 3.0
@@ -440,6 +441,166 @@ def bolus_stats(treatments: pd.DataFrame) -> dict:
     }
 
 
+BOLUS_CATEGORY_FOOD = "food"
+BOLUS_CATEGORY_CORRECTION = "correction"
+BOLUS_CATEGORY_SMB = "smb"
+
+BOLUS_CATEGORY_COLUMNS = ["timestamp", "eventType", "insulin", "carbs", "category"]
+
+
+def classify_bolus(treatments: pd.DataFrame) -> pd.DataFrame:
+    """Splits bolus-insuline op in 'food'/'correction'/'smb', voor grafiekoverlays
+    (gitea insulineprofiel-werk, vervolg op bolus_stats()'s SMB-detectie).
+
+    Herkenningsregels, in volgorde:
+    - SMB: `eventType == "SMB"`, of `eventType == "Correction Bolus"` met
+      `type == "SMB"` (zie bolus_stats()) — automatische AndroidAPS-microbolus.
+    - food: `eventType == "Meal Bolus"`, of een andere bolus-eventType
+      (`Bolus`/`Combo Bolus`) met koolhydraten op dezelfde treatment-rij (een
+      sterke aanwijzing dat het om een maaltijdbolus gaat).
+    - correction: alle overige bolus-rijen (typisch `Correction Bolus` zonder
+      SMB-markering, of een generieke `Bolus`/`Combo Bolus` zonder koolhydraten).
+
+    Geeft een DataFrame terug met kolommen 'timestamp', 'eventType', 'insulin',
+    'carbs', 'category' — alleen de rijen die daadwerkelijk bolusinsuline zijn.
+    """
+    if treatments.empty:
+        return pd.DataFrame(columns=BOLUS_CATEGORY_COLUMNS)
+
+    bolus = treatments[treatments["eventType"].isin(INSULIN_EVENT_TYPES) & treatments["insulin"].notna()].copy()
+    if bolus.empty:
+        return pd.DataFrame(columns=BOLUS_CATEGORY_COLUMNS)
+
+    is_smb = (bolus["eventType"] == SMB_TYPE) | (
+        (bolus["eventType"] == "Correction Bolus") & (bolus.get("type", "") == SMB_TYPE)
+    )
+    has_carbs = pd.to_numeric(bolus["carbs"], errors="coerce").fillna(0) > 0
+    is_food = ~is_smb & ((bolus["eventType"] == "Meal Bolus") | has_carbs)
+
+    bolus["category"] = BOLUS_CATEGORY_CORRECTION
+    bolus.loc[is_food, "category"] = BOLUS_CATEGORY_FOOD
+    bolus.loc[is_smb, "category"] = BOLUS_CATEGORY_SMB
+    return bolus[BOLUS_CATEGORY_COLUMNS].sort_values("timestamp").reset_index(drop=True)
+
+
+def glucose_min_max(glucose: pd.DataFrame) -> tuple[float, float]:
+    """Minimum en maximum glucosewaarde (mmol/L) in de gegeven data."""
+    if glucose.empty:
+        return (0.0, 0.0)
+    return (round(glucose["mmol"].min(), 1), round(glucose["mmol"].max(), 1))
+
+
+def _temp_basal_intervals(treatments: pd.DataFrame, day_start, day_end) -> list[tuple]:
+    """Temp Basal-intervallen (start, eind, rate) die (deels) binnen [day_start, day_end) vallen,
+    geclipt aan de daggrenzen."""
+    if treatments is None or treatments.empty:
+        return []
+    temp_basal = treatments[
+        (treatments["eventType"] == BASAL_EVENT_TYPE)
+        & treatments["absolute"].notna()
+        & treatments["duration"].notna()
+    ]
+    intervals = []
+    for _, row in temp_basal.iterrows():
+        start = row["timestamp"]
+        end = start + pd.Timedelta(float(row["duration"]), unit="min")
+        if end <= day_start or start >= day_end:
+            continue
+        intervals.append((max(start, day_start), min(end, day_end), row["absolute"]))
+    return intervals
+
+
+def _basal_breakpoints(basal_segments: list[dict], temp_intervals: list[tuple], day_start, day_end) -> list:
+    """Alle tijdstippen waarop de effectieve basaalsnelheid kan wijzigen: daggrens,
+    profielsegment-grenzen, en temp-basal start/eind — oplopend gesorteerd."""
+    breakpoints = {day_start}
+    for seg in basal_segments:
+        ts = day_start + pd.Timedelta(float(seg["minutes"]), unit="min")
+        if day_start <= ts < day_end:
+            breakpoints.add(ts)
+    for start, end, _ in temp_intervals:
+        breakpoints.add(start)
+        breakpoints.add(end)
+    return sorted(t for t in breakpoints if day_start <= t < day_end)
+
+
+def _rate_at(ts, basal_segments: list[dict], temp_intervals: list[tuple], day_start) -> float:
+    """Effectieve basaalsnelheid op tijdstip `ts`: een actieve Temp Basal wint van het profieltempo."""
+    for start, end, rate in temp_intervals:
+        if start <= ts < end:
+            return rate
+    minutes_of_day = int((ts - day_start).total_seconds() / 60) % MINUTES_PER_DAY
+    value = value_at(basal_segments, minutes_of_day)
+    return value if value is not None else 0.0
+
+
+def effective_basal_series(profile: dict | None, treatments: pd.DataFrame, day_start, day_end) -> pd.DataFrame:
+    """Basaalsnelheid (E/uur) als stapfunctie over [day_start, day_end).
+
+    Basislijn is het pompprofiel se basaalschema (`profile["basal"]`); waar een
+    Temp Basal-treatment actief is (rate/duur uit de treatment) overschrijft
+    die het profieltempo voor de duur van die tijdelijke aanpassing — dit is de
+    daadwerkelijk afgeleverde basaal, in tegenstelling tot basal_stats() (die
+    alleen temp-basal-periodes optelt en periodes zonder actieve temp basal
+    mist omdat het profiel daar niet bij betrokken wordt).
+
+    Zonder profiel (`profile` is None/leeg) is de basislijn 0 — dan toont dit
+    alleen de temp-basal-periodes, net als basal_stats().
+
+    Geeft een DataFrame terug met kolommen 'timestamp' en 'rate': elke rij
+    geldt tot de volgende rij (stapfunctie), geschikt voor een
+    step-area-plot (line_shape='hv', fill='tozeroy').
+    """
+    day_start = pd.Timestamp(day_start)
+    day_end = pd.Timestamp(day_end)
+    basal_segments = (profile or {}).get("basal", [])
+    temp_intervals = _temp_basal_intervals(treatments, day_start, day_end)
+    breakpoints = _basal_breakpoints(basal_segments, temp_intervals, day_start, day_end)
+
+    rows = [
+        {"timestamp": ts, "rate": _rate_at(ts, basal_segments, temp_intervals, day_start)} for ts in breakpoints
+    ]
+    return pd.DataFrame(rows, columns=["timestamp", "rate"])
+
+
+def _target_midpoint_at(minutes_of_day: int, target_low: list[dict], target_high: list[dict]) -> float | None:
+    low = value_at(target_low, minutes_of_day) if target_low else None
+    high = value_at(target_high, minutes_of_day) if target_high else None
+    if low is not None and high is not None:
+        return (low + high) / 2
+    return low if low is not None else high
+
+
+def target_glucose_series(profile: dict | None, day_start, day_end) -> pd.DataFrame:
+    """Streefglucose (mmol/L) uit het profiel als stapfunctie over [day_start, day_end) —
+    het midden van target_low/target_high per tijdsegment (de pomp kent vaak één
+    streefwaarde per segment; met losse low/high-segmenten is dat gewoon het
+    gemiddelde). Geeft een lege DataFrame terug als het profiel geen streefwaarden
+    bevat.
+
+    Zelfde stapfunctie-vorm als effective_basal_series(): elke rij geldt tot de
+    volgende rij.
+    """
+    day_start = pd.Timestamp(day_start)
+    day_end = pd.Timestamp(day_end)
+    target_low = (profile or {}).get("target_low", [])
+    target_high = (profile or {}).get("target_high", [])
+    if not target_low and not target_high:
+        return pd.DataFrame(columns=["timestamp", "target"])
+
+    breakpoints = _basal_breakpoints(target_low + target_high, [], day_start, day_end)
+    rows = [
+        {
+            "timestamp": ts,
+            "target": _target_midpoint_at(
+                int((ts - day_start).total_seconds() / 60) % MINUTES_PER_DAY, target_low, target_high
+            ),
+        }
+        for ts in breakpoints
+    ]
+    return pd.DataFrame(rows, columns=["timestamp", "target"])
+
+
 def basal_stats(treatments: pd.DataFrame, period_days: float) -> dict:
     """Totale basaalinsuline uit Temp Basal-treatments (rate x duur), zonder pompprofiel.
 
diff --git a/tests/test_reporting.py b/tests/test_reporting.py
index b981d83..5eca552 100644
--- a/tests/test_reporting.py
+++ b/tests/test_reporting.py
@@ -8,10 +8,13 @@ from reporting import (
     agp_percentile_bands,
     basal_stats,
     bolus_stats,
+    classify_bolus,
     completeness_warning,
     daily_gmi,
     day_of_week_pattern,
     detect_events,
+    effective_basal_series,
+    glucose_min_max,
     gmi_mmol_per_mol,
     gmi_percent,
     gmi_trend,
@@ -21,6 +24,7 @@ from reporting import (
     sensor_active_percent,
     site_interval_stats,
     summarize_events,
+    target_glucose_series,
     tir_breakdown_5band,
 )
 
@@ -480,6 +484,140 @@ def test_basal_stats_handles_empty_input():
     assert result == {"total_units": 0.0, "avg_units_per_day": 0.0}
 
 
+def test_glucose_min_max_returns_min_and_max():
+    glucose = _series([("2026-01-01 00:00", 6.5), ("2026-01-01 01:00", 3.2), ("2026-01-01 02:00", 14.1)])
+    assert glucose_min_max(glucose) == (3.2, 14.1)
+
+
+def test_glucose_min_max_handles_empty_input():
+    empty = pd.DataFrame(columns=["timestamp", "mmol"])
+    assert glucose_min_max(empty) == (0.0, 0.0)
+
+
+def _bolus_treatment(dt, event_type, insulin=1.0, carbs=None, bolus_type=""):
+    return {
+        "timestamp": pd.Timestamp(dt),
+        "eventType": event_type,
+        "insulin": insulin,
+        "carbs": carbs,
+        "type": bolus_type,
+    }
+
+
+def test_classify_bolus_recognizes_meal_bolus_as_food():
+    treatments = pd.DataFrame([_bolus_treatment("2026-01-01 08:00", "Meal Bolus", insulin=4.0)])
+    result = classify_bolus(treatments)
+    assert result.iloc[0]["category"] == "food"
+
+
+def test_classify_bolus_recognizes_smb_via_type_field():
+    treatments = pd.DataFrame(
+        [_bolus_treatment("2026-01-01 08:00", "Correction Bolus", insulin=0.3, bolus_type="SMB")]
+    )
+    result = classify_bolus(treatments)
+    assert result.iloc[0]["category"] == "smb"
+
+
+def test_classify_bolus_recognizes_smb_via_event_type():
+    treatments = pd.DataFrame([_bolus_treatment("2026-01-01 08:00", "SMB", insulin=0.3)])
+    result = classify_bolus(treatments)
+    assert result.iloc[0]["category"] == "smb"
+
+
+def test_classify_bolus_treats_correction_bolus_without_carbs_as_correction():
+    treatments = pd.DataFrame([_bolus_treatment("2026-01-01 08:00", "Correction Bolus", insulin=1.5)])
+    result = classify_bolus(treatments)
+    assert result.iloc[0]["category"] == "correction"
+
+
+def test_classify_bolus_treats_generic_bolus_with_carbs_as_food():
+    treatments = pd.DataFrame([_bolus_treatment("2026-01-01 08:00", "Bolus", insulin=3.0, carbs=40.0)])
+    result = classify_bolus(treatments)
+    assert result.iloc[0]["category"] == "food"
+
+
+def test_classify_bolus_ignores_non_bolus_rows():
+    treatments = pd.DataFrame(
+        [
+            _bolus_treatment("2026-01-01 08:00", "Meal Bolus", insulin=4.0),
+            {"timestamp": pd.Timestamp("2026-01-01 08:05"), "eventType": "Site Change", "insulin": None, "carbs": None, "type": ""},
+        ]
+    )
+    result = classify_bolus(treatments)
+    assert len(result) == 1
+
+
+def test_classify_bolus_handles_empty_input():
+    empty = pd.DataFrame(columns=["timestamp", "eventType", "insulin", "carbs", "type"])
+    result = classify_bolus(empty)
+    assert result.empty
+    assert list(result.columns) == ["timestamp", "eventType", "insulin", "carbs", "category"]
+
+
+def test_effective_basal_series_uses_profile_baseline_without_temp_basal():
+    profile = {"basal": [{"minutes": 0, "value": 0.8}, {"minutes": 360, "value": 1.2}]}
+    empty_treatments = pd.DataFrame(columns=["timestamp", "eventType", "absolute", "duration"])
+    result = effective_basal_series(
+        profile, empty_treatments, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02")
+    )
+    assert result.iloc[0]["rate"] == pytest.approx(0.8)
+    assert result[result["timestamp"] == pd.Timestamp("2026-01-01 06:00")].iloc[0]["rate"] == pytest.approx(1.2)
+
+
+def test_effective_basal_series_temp_basal_overrides_profile_rate():
+    profile = {"basal": [{"minutes": 0, "value": 0.8}]}
+    treatments = pd.DataFrame(
+        [{"timestamp": pd.Timestamp("2026-01-01 08:00"), "eventType": "Temp Basal", "absolute": 2.0, "duration": 30}]
+    )
+    result = effective_basal_series(profile, treatments, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    during_temp = result[result["timestamp"] == pd.Timestamp("2026-01-01 08:00")].iloc[0]
+    after_temp = result[result["timestamp"] == pd.Timestamp("2026-01-01 08:30")].iloc[0]
+    assert during_temp["rate"] == pytest.approx(2.0)
+    assert after_temp["rate"] == pytest.approx(0.8)  # terug naar het profieltempo
+
+
+def test_effective_basal_series_without_profile_defaults_to_zero_baseline():
+    empty_treatments = pd.DataFrame(columns=["timestamp", "eventType", "absolute", "duration"])
+    result = effective_basal_series(None, empty_treatments, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.iloc[0]["rate"] == pytest.approx(0.0)
+
+
+def test_effective_basal_series_clips_temp_basal_to_day_boundaries():
+    profile = {"basal": [{"minutes": 0, "value": 0.8}]}
+    # Temp basal begint de dag ervoor en loopt door tot 01:00 van de dag zelf.
+    treatments = pd.DataFrame(
+        [{"timestamp": pd.Timestamp("2025-12-31 23:00"), "eventType": "Temp Basal", "absolute": 2.0, "duration": 120}]
+    )
+    result = effective_basal_series(profile, treatments, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.iloc[0]["timestamp"] == pd.Timestamp("2026-01-01")
+    assert result.iloc[0]["rate"] == pytest.approx(2.0)
+
+
+def test_target_glucose_series_averages_low_and_high():
+    profile = {
+        "target_low": [{"minutes": 0, "value": 4.5}],
+        "target_high": [{"minutes": 0, "value": 8.5}],
+    }
+    result = target_glucose_series(profile, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.iloc[0]["target"] == pytest.approx(6.5)
+
+
+def test_target_glucose_series_falls_back_to_single_bound():
+    profile = {"target_low": [{"minutes": 0, "value": 5.0}], "target_high": []}
+    result = target_glucose_series(profile, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.iloc[0]["target"] == pytest.approx(5.0)
+
+
+def test_target_glucose_series_empty_without_targets_in_profile():
+    result = target_glucose_series({}, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.empty
+
+
+def test_target_glucose_series_handles_none_profile():
+    result = target_glucose_series(None, pd.Timestamp("2026-01-01"), pd.Timestamp("2026-01-02"))
+    assert result.empty
+
+
 def test_site_interval_stats_splits_by_site_change():
     glucose = _series(
         [
diff --git a/tests/test_ui_common.py b/tests/test_ui_common.py
index 38ab716..c2829e6 100644
--- a/tests/test_ui_common.py
+++ b/tests/test_ui_common.py
@@ -1,8 +1,13 @@
+import pandas as pd
 import plotly.graph_objects as go
 
 from ui_common import (
     PALETTE,
     THRESHOLD_LINES,
+    add_basal_area_trace,
+    add_bolus_marker_traces,
+    add_carb_bars_trace,
+    add_target_line_trace,
     add_threshold_lines,
     build_tir_stacked_bar_figure,
     hex_to_rgba,
@@ -36,3 +41,99 @@ def test_build_tir_stacked_bar_figure_has_one_bar_trace_per_band():
     assert len(fig.data) == 5
     assert [trace.y[0] for trace in fig.data] == [1.0, 3.0, 80.0, 12.0, 4.0]
     assert fig.layout.barmode == "stack"
+
+
+def test_add_basal_area_trace_adds_one_filled_step_trace():
+    basal = pd.DataFrame(
+        {"timestamp": pd.to_datetime(["2026-01-01 00:00", "2026-01-01 06:00"]), "rate": [0.8, 1.2]}
+    )
+    fig = go.Figure()
+    add_basal_area_trace(fig, basal, PALETTE["light"])
+    assert len(fig.data) == 1
+    assert fig.data[0].name == "Basaal"
+    assert fig.data[0].fill == "tozeroy"
+    assert fig.data[0].line.shape == "hv"
+
+
+def test_add_basal_area_trace_skips_empty_input():
+    fig = go.Figure()
+    add_basal_area_trace(fig, pd.DataFrame(columns=["timestamp", "rate"]), PALETTE["light"])
+    assert len(fig.data) == 0
+
+
+def test_add_carb_bars_trace_adds_one_bar_trace():
+    carbs = pd.DataFrame({"timestamp": pd.to_datetime(["2026-01-01 08:00"]), "carbs": [40.0]})
+    fig = go.Figure()
+    add_carb_bars_trace(fig, carbs, PALETTE["light"])
+    assert len(fig.data) == 1
+    assert fig.data[0].name == "Koolhydraten"
+    assert isinstance(fig.data[0], go.Bar)
+
+
+def test_add_bolus_marker_traces_adds_one_trace_per_category_present():
+    bolus = pd.DataFrame(
+        {
+            "timestamp": pd.to_datetime(["2026-01-01 08:00", "2026-01-01 12:00"]),
+            "insulin": [4.0, 0.3],
+            "category": ["food", "smb"],
+        }
+    )
+    fig = go.Figure()
+    add_bolus_marker_traces(fig, bolus, PALETTE["light"], lane_y=2.0)
+    names = {trace.name for trace in fig.data}
+    assert names == {"Bolus (voeding)", "SMB"}
+
+
+def test_add_bolus_marker_traces_labels_food_and_correction_but_not_smb():
+    bolus = pd.DataFrame(
+        {
+            "timestamp": pd.to_datetime(["2026-01-01 08:00", "2026-01-01 12:00"]),
+            "insulin": [4.0, 0.3],
+            "category": ["food", "smb"],
+        }
+    )
+    fig = go.Figure()
+    add_bolus_marker_traces(fig, bolus, PALETTE["light"], lane_y=2.0)
+    by_name = {trace.name: trace for trace in fig.data}
+    assert by_name["Bolus (voeding)"].mode == "markers+text"
+    assert by_name["SMB"].mode == "markers"
+
+
+def test_add_bolus_marker_traces_skips_empty_input():
+    fig = go.Figure()
+    add_bolus_marker_traces(fig, pd.DataFrame(columns=["timestamp", "insulin", "category"]), PALETTE["light"], 2.0)
+    assert len(fig.data) == 0
+
+
+def test_add_target_line_trace_adds_one_line_trace():
+    target = pd.DataFrame({"timestamp": pd.to_datetime(["2026-01-01 00:00"]), "target": [6.5]})
+    fig = go.Figure()
+    add_target_line_trace(fig, target, PALETTE["light"])
+    assert len(fig.data) == 1
+    assert fig.data[0].name == "Streefwaarde (pomp)"
+
+
+def test_add_target_line_trace_skips_empty_input():
+    fig = go.Figure()
+    add_target_line_trace(fig, pd.DataFrame(columns=["timestamp", "target"]), PALETTE["light"])
+    assert len(fig.data) == 0
+
+
+def test_overlay_traces_support_an_hour_based_x_column_for_dagoverzicht():
+    """Dagoverzicht plot elke dag op een gedeelde 0-24u-as ('hour') i.p.v. echte
+    datums; de hover mag daar dan ook geen datumformattering tonen."""
+    basal = pd.DataFrame({"hour": [0.0, 6.0], "rate": [0.8, 1.2]})
+    carbs = pd.DataFrame({"hour": [8.0], "carbs": [40.0]})
+    bolus = pd.DataFrame({"hour": [8.0], "insulin": [4.0], "category": ["food"]})
+    target = pd.DataFrame({"hour": [0.0], "target": [6.5]})
+
+    fig = go.Figure()
+    add_basal_area_trace(fig, basal, PALETTE["light"], x_col="hour")
+    add_carb_bars_trace(fig, carbs, PALETTE["light"], x_col="hour")
+    add_bolus_marker_traces(fig, bolus, PALETTE["light"], lane_y=2.0, x_col="hour")
+    add_target_line_trace(fig, target, PALETTE["light"], x_col="hour")
+
+    assert len(fig.data) == 4
+    bolus_trace = next(t for t in fig.data if t.name == "Bolus (voeding)")
+    assert list(bolus_trace.x) == [8.0]
+    assert "%d-%m" not in bolus_trace.hovertemplate
diff --git a/ui_common.py b/ui_common.py
index bd81d6f..554e74a 100644
--- a/ui_common.py
+++ b/ui_common.py
@@ -209,6 +209,160 @@ def build_tir_stacked_bar_figure(tir: dict, colors: dict) -> go.Figure:
     return fig
 
 
+BOLUS_CATEGORY_LABELS = {
+    "food": "Bolus (voeding)",
+    "correction": "Bolus (correctie)",
+    "smb": "SMB",
+}
+BOLUS_CATEGORY_COLOR_KEYS = {
+    "food": "bolus_food",
+    "correction": "bolus_correction",
+    "smb": "bolus_smb",
+}
+# Tekenvolgorde van bolus-categorieën: SMB eerst (onderop, meestal talrijker en
+# kleiner), voeding/correctie erbovenop (grotere, gelabelde stippen blijven
+# zichtbaar in plaats van bedolven te raken onder de SMB-stippen).
+BOLUS_CATEGORY_DRAW_ORDER = ["smb", "correction", "food"]
+
+
+def add_basal_area_trace(
+    fig: go.Figure,
+    basal: pd.DataFrame,
+    colors: dict,
+    *,
+    row: int | None = None,
+    secondary_y: bool = False,
+    x_col: str = "timestamp",
+) -> None:
+    """Basaal-insuline als semi-transparant stapvlak (line_shape='hv'), met alpha
+    zodat onderliggende data zichtbaar blijft. Verwacht kolommen 'rate' en
+    `x_col` (standaard 'timestamp'; de Dagoverzicht-pagina geeft hier 'hour'
+    aan omdat elke dag daar op een gedeelde 0-24u-as staat i.p.v. echte
+    datums — zie reporting.effective_basal_series). Bedoeld voor een
+    secundaire y-as (E/uur past niet op de mmol/L-schaal van de glucoselijn).
+    """
+    if basal.empty:
+        return
+    kwargs: dict = {"row": row, "col": 1} if row is not None else {}
+    if secondary_y:
+        kwargs["secondary_y"] = True
+    fig.add_trace(
+        go.Scatter(
+            x=basal[x_col],
+            y=basal["rate"],
+            mode="lines",
+            line={"shape": "hv", "color": colors["basal"], "width": 1},
+            fill="tozeroy",
+            fillcolor=hex_to_rgba(colors["basal"], 0.3),
+            opacity=0.8,
+            name="Basaal",
+            hovertemplate="%{y:.2f} E/uur<extra></extra>",
+        ),
+        **kwargs,
+    )
+
+
+def add_carb_bars_trace(
+    fig: go.Figure,
+    carbs: pd.DataFrame,
+    colors: dict,
+    *,
+    row: int | None = None,
+    secondary_y: bool = False,
+    x_col: str = "timestamp",
+) -> None:
+    """Koolhydraten als staafjes op het moment van invoer. Verwacht kolommen
+    'carbs' en `x_col` (zie add_basal_area_trace voor waarom dit configureerbaar
+    is). Zelfde secundaire as als de basaal-area (allebei geen mmol/L-grootheid),
+    met een eigen kleur en alpha zodat beide onderscheidbaar blijven."""
+    if carbs.empty:
+        return
+    kwargs: dict = {"row": row, "col": 1} if row is not None else {}
+    if secondary_y:
+        kwargs["secondary_y"] = True
+    fig.add_trace(
+        go.Bar(
+            x=carbs[x_col],
+            y=carbs["carbs"],
+            marker_color=colors["carbs"],
+            opacity=0.55,
+            name="Koolhydraten",
+            hovertemplate="%{y:.0f} g<extra></extra>",
+        ),
+        **kwargs,
+    )
+
+
+def add_bolus_marker_traces(
+    fig: go.Figure,
+    bolus: pd.DataFrame,
+    colors: dict,
+    lane_y: float,
+    *,
+    row: int | None = None,
+    x_col: str = "timestamp",
+) -> None:
+    """Eén Scatter-trace per boluscategorie (food/correction/smb), gepositioneerd
+    op een vaste 'lane'-hoogte op de primaire (mmol/L-)as — net als de bestaande
+    insuline/carbs-lanes op de Live-pagina. De hoogte zelf draagt geen
+    kwantitatieve betekenis; de markergrootte (geschaald naar toegediende
+    eenheden) en hoverwaarde wel. Voeding/correctie krijgen een tekstlabel met
+    de dosis; SMB's niet (te talrijk/te klein voor leesbare labels). Verwacht
+    kolommen 'insulin'/'category' en `x_col` (zie reporting.classify_bolus).
+    """
+    # Datumformattering in de hover werkt alleen op een echte datetime-as; de
+    # Dagoverzicht-pagina geeft hier 'hour' (een kaal getal 0-24) aan, dus
+    # daar laten we het tijdstip weg en toont de hover alleen de dosis.
+    hover_prefix = "%{x|%d-%m %H:%M} · " if x_col == "timestamp" else ""
+    kwargs: dict = {"row": row, "col": 1} if row is not None else {}
+    for category in BOLUS_CATEGORY_DRAW_ORDER:
+        subset = bolus[bolus["category"] == category] if not bolus.empty else bolus
+        if subset.empty:
+            continue
+        show_label = category != "smb"
+        fig.add_trace(
+            go.Scatter(
+                x=subset[x_col],
+                y=[lane_y] * len(subset),
+                mode="markers+text" if show_label else "markers",
+                marker={
+                    "size": (subset["insulin"] * 8).clip(lower=6, upper=30),
+                    "color": colors[BOLUS_CATEGORY_COLOR_KEYS[category]],
+                    "opacity": 0.75,
+                },
+                text=[f"{v:.1f}E" for v in subset["insulin"]] if show_label else None,
+                textposition="top center",
+                textfont={"size": 9, "color": colors["text"]},
+                name=BOLUS_CATEGORY_LABELS[category],
+                customdata=subset["insulin"],
+                hovertemplate=f"{hover_prefix}%{{customdata:.2f}} E<extra></extra>",
+            ),
+            **kwargs,
+        )
+
+
+def add_target_line_trace(
+    fig: go.Figure, target: pd.DataFrame, colors: dict, *, row: int | None = None, x_col: str = "timestamp"
+) -> None:
+    """Streefglucose uit het pompprofiel als lijn op de primaire (mmol/L-)as.
+    Verwacht kolommen 'target' en `x_col` (zie reporting.target_glucose_series)."""
+    if target.empty:
+        return
+    kwargs: dict = {"row": row, "col": 1} if row is not None else {}
+    fig.add_trace(
+        go.Scatter(
+            x=target[x_col],
+            y=target["target"],
+            mode="lines",
+            line={"shape": "hv", "color": colors["target"], "width": 1.5, "dash": "dashdot"},
+            opacity=0.9,
+            name="Streefwaarde (pomp)",
+            hovertemplate="%{y:.1f} mmol/L<extra></extra>",
+        ),
+        **kwargs,
+    )
+
+
 def render_completeness_warning(glucose: pd.DataFrame, start: date, end: date) -> None:
     """Toon reporting.completeness_warning()'s oordeel als st.warning, indien nodig.