feat: add nutrition_history_viz widget and enhance configuration handling

- Introduced the `nutrition_history_viz` widget to the dashboard, allowing users to visualize nutrition history data.
- Updated widget configuration to include `nutrition_history_viz` in the allowed widgets and added validation for its configuration.
- Enhanced the widget catalog with details for the new `nutrition_history_viz` entry.
- Implemented default values and validation logic for the widget's configuration, ensuring proper handling of user inputs.
- Added tests to ensure proper validation of the `nutrition_history_viz` widget configuration.
- Bumped application version to reflect the addition of the new widget.

backend/dashboard_widget_config.py

@@ -15,6 +15,7 @@ MAX_WIDGET_CONFIG_JSON_BYTES = 3072
 WIDGETS_ALLOWING_CONFIG: frozenset[str] = frozenset({
     "body_overview",
     "body_history_viz",
+    "nutrition_history_viz",
     "activity_overview",
     "kpi_board",
     "quick_capture",
@@ -59,6 +60,34 @@ _BODY_HISTORY_VIZ_DEFAULTS: dict[str, Any] = {
     "show_circumference_lines_chart": False,
 }
 
+_NUTRITION_HISTORY_VIZ_BOOL_KEYS: frozenset[str] = frozenset({
+    "show_goals_strip",
+    "show_intro_blurb",
+    "show_kpis",
+    "show_kcal_vs_weight",
+    "show_calorie_balance_chart",
+    "show_protein_lean_chart",
+    "show_heuristics",
+    "show_macro_daily_bars",
+    "show_macro_distribution_pair",
+    "show_energy_protein_charts",
+})
+
+_NUTRITION_HISTORY_VIZ_DEFAULTS: dict[str, Any] = {
+    "chart_days": 30,
+    "show_goals_strip": False,
+    "show_intro_blurb": False,
+    "show_kpis": True,
+    "kpi_detail": "compact",
+    "show_kcal_vs_weight": True,
+    "show_calorie_balance_chart": False,
+    "show_protein_lean_chart": False,
+    "show_heuristics": False,
+    "show_macro_daily_bars": True,
+    "show_macro_distribution_pair": True,
+    "show_energy_protein_charts": False,
+}
+
 
 def _config_json_size_bytes(config: dict[str, Any]) -> int:
     return len(json.dumps(config, sort_keys=True, ensure_ascii=False).encode("utf-8"))
@@ -80,12 +109,16 @@ def validate_widget_entry_config(widget_id: str, raw: Any) -> dict[str, Any]:
     if not raw:
         if widget_id == "body_history_viz":
             return _validate_body_history_viz_config({})
+        if widget_id == "nutrition_history_viz":
+            return _validate_nutrition_history_viz_config({})
         return {}
 
     if widget_id == "body_overview":
         return _validate_chart_days_only(raw, label="body_overview")
     if widget_id == "body_history_viz":
         return _validate_body_history_viz_config(raw)
+    if widget_id == "nutrition_history_viz":
+        return _validate_nutrition_history_viz_config(raw)
     if widget_id == "activity_overview":
         return _validate_chart_days_only(raw, label="activity_overview")
     if widget_id == "kpi_board":
@@ -222,6 +255,46 @@ def _validate_body_history_viz_config(raw: dict[str, Any]) -> dict[str, Any]:
     return out
 
 
+def _validate_nutrition_history_viz_config(raw: dict[str, Any]) -> dict[str, Any]:
+    label = "nutrition_history_viz"
+    allowed = _NUTRITION_HISTORY_VIZ_BOOL_KEYS | frozenset({"chart_days", "kpi_detail"})
+    unknown = set(raw) - allowed
+    if unknown:
+        raise ValueError(f"{label}: unbekannte config-Felder: {sorted(unknown)}")
+    out: dict[str, Any] = dict(_NUTRITION_HISTORY_VIZ_DEFAULTS)
+    for k in _NUTRITION_HISTORY_VIZ_BOOL_KEYS:
+        if k not in raw:
+            continue
+        v = raw[k]
+        if not isinstance(v, bool):
+            raise ValueError(f"{label}: {k} muss boolean sein")
+        out[k] = v
+    if "kpi_detail" in raw:
+        kd = raw["kpi_detail"]
+        if kd not in ("compact", "full"):
+            raise ValueError(f"{label}: kpi_detail muss 'compact' oder 'full' sein")
+        out["kpi_detail"] = kd
+    if "chart_days" in raw:
+        v = _parse_chart_days(raw["chart_days"], label)
+        if v < 7 or v > 90:
+            raise ValueError(f"{label}: chart_days muss zwischen 7 und 90 liegen")
+        out["chart_days"] = v
+    if not out["show_kpis"] and not any(
+        out[k]
+        for k in (
+            "show_kcal_vs_weight",
+            "show_calorie_balance_chart",
+            "show_protein_lean_chart",
+            "show_heuristics",
+            "show_macro_daily_bars",
+            "show_macro_distribution_pair",
+            "show_energy_protein_charts",
+        )
+    ):
+        raise ValueError(f"{label}: mindestens KPIs oder ein Chart-Bereich muss sichtbar sein")
+    return out
+
+
 def _validate_chart_days_only(raw: dict[str, Any], *, label: str) -> dict[str, Any]:
     allowed = frozenset({"chart_days"})
     unknown = set(raw) - allowed

backend/tests/test_dashboard_widget_config.py

@@ -44,6 +44,37 @@ def test_body_history_viz_unknown_key():
         validate_widget_entry_config("body_history_viz", {"evil": True})
 
 
+def test_nutrition_history_viz_empty_expands_defaults():
+    d = validate_widget_entry_config("nutrition_history_viz", {})
+    assert d["chart_days"] == 30
+    assert d["show_kpis"] is True
+    assert d["show_kcal_vs_weight"] is True
+    assert d["kpi_detail"] == "compact"
+    assert d["show_calorie_balance_chart"] is False
+    assert d["show_energy_protein_charts"] is False
+
+
+def test_nutrition_history_viz_chart_days_and_merge():
+    d = validate_widget_entry_config("nutrition_history_viz", {"chart_days": 45})
+    assert d["chart_days"] == 45
+    assert d["show_goals_strip"] is False
+    with pytest.raises(ValueError):
+        validate_widget_entry_config("nutrition_history_viz", {"chart_days": 5})
+
+
+def test_nutrition_history_viz_requires_visible_block():
+    with pytest.raises(ValueError):
+        validate_widget_entry_config(
+            "nutrition_history_viz",
+            {"show_kpis": False, "show_kcal_vs_weight": False, "show_macro_daily_bars": False, "show_macro_distribution_pair": False},
+        )
+
+
+def test_nutrition_history_viz_unknown_key():
+    with pytest.raises(ValueError):
+        validate_widget_entry_config("nutrition_history_viz", {"evil": True})
+
+
 def test_welcome_config_rejected_unknown_key():
     with pytest.raises(ValueError):
         validate_widget_entry_config("welcome", {"x": 1})

backend/version.py

@@ -30,7 +30,7 @@ MODULE_VERSIONS = {
     "importdata": "1.0.0",
     "membership": "2.1.0",
     "workflow": "0.7.0",  # Part 3: Inline Prompts (reference + inline mode)
-    "app_dashboard": "1.13.0",  # body_history_viz: Sichtbarkeits-Config + Defaults schlank
+    "app_dashboard": "1.14.0",  # nutrition_history_viz: Verlauf-Bundle-Widget + Config wie Körper
     "csv_import": "0.3.2",  # Import-Fehler: enrich_row_error / freundlichere 500-Hinweise
     "admin_csv_templates": "0.3.0",  # POST /validate + Speichern nur bei valid (422 + warnings in Response)
 }

backend/widget_catalog.py

@@ -100,6 +100,12 @@ WIDGET_CATALOG: list[WidgetCatalogEntry] = [
         "description": "Phase-0c NutritionCharts (optional chart_days 7–90, Default 30); Feature nutrition_entries",
         "requires_feature": "nutrition_entries",
     },
+    {
+        "id": "nutrition_history_viz",
+        "title": "Ernährung (Verlauf-Bundle)",
+        "description": "Layer-2b nutrition-history-viz: schlanker Standard; Blöcke per show_* / kpi_detail; chart_days 7–90; Feature nutrition_entries",
+        "requires_feature": "nutrition_entries",
+    },
     {
         "id": "recovery_charts_panel",
         "title": "Erholung — Charts R1–R5",

frontend/src/components/dashboard-widgets/NutritionHistoryVizWidget.jsx

@@ -0,0 +1,34 @@
+import { useNavigate } from 'react-router-dom'
+import NutritionHistoryVizSection from '../history/NutritionHistoryVizSection'
+import { normalizeBodyChartDays } from '../../widgetSystem/bodyChartDays'
+import { normalizeNutritionHistoryVizConfig } from '../../widgetSystem/nutritionHistoryVizConfig'
+
+/**
+ * Verlauf → Ernährung als Dashboard-Widget: GET /charts/nutrition-history-viz (Layer 2b), Umfang über Layout-Config.
+ * @param {{ refreshTick?: number, nutritionHistoryVizConfig?: Record<string, unknown> }} props
+ */
+export default function NutritionHistoryVizWidget({ refreshTick = 0, nutritionHistoryVizConfig }) {
+  const nav = useNavigate()
+  const cfg = normalizeNutritionHistoryVizConfig(nutritionHistoryVizConfig)
+  const days = normalizeBodyChartDays(cfg.chart_days)
+
+  return (
+    <div className="card section-gap" style={{ marginBottom: 16 }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 10 }}>
+        <div>
+          <div style={{ fontSize: 14, fontWeight: 700, color: 'var(--text1)' }}>Ernährung (Verlauf-Bundle)</div>
+          <div style={{ fontSize: 12, color: 'var(--text3)' }}>nutrition-history-viz · {days} Tage</div>
+        </div>
+        <button type="button" className="btn btn-secondary" style={{ fontSize: 12, padding: '6px 12px' }} onClick={() => nav('/history', { state: { tab: 'nutrition' } })}>
+          Verlauf →
+        </button>
+      </div>
+      <NutritionHistoryVizSection
+        key={`${refreshTick}-${days}`}
+        externalPeriod={days}
+        embedded
+        visibility={cfg}
+      />
+    </div>
+  )
+}

frontend/src/components/history/NutritionHistoryVizSection.jsx

@@ -0,0 +1,608 @@
+import { useState, useEffect } from 'react'
+import { useNavigate } from 'react-router-dom'
+import {
+  LineChart,
+  Line,
+  XAxis,
+  YAxis,
+  Tooltip,
+  ResponsiveContainer,
+  CartesianGrid,
+  ReferenceLine,
+  BarChart,
+  Bar,
+  PieChart,
+  Pie,
+  Cell,
+} from 'recharts'
+import { ChevronRight } from 'lucide-react'
+import dayjs from 'dayjs'
+import 'dayjs/locale/de'
+import { api } from '../../utils/api'
+import { MACRO_CHART, macroFillByName, NUTRITION_MACRO_CHART_BLOCK_PX } from '../../utils/macroChartTheme'
+import NutritionCharts, { WeeklyMacroDistributionPanel } from '../NutritionCharts'
+import KpiTilesOverview from '../KpiTilesOverview'
+import {
+  NUTRITION_HISTORY_VIZ_HISTORY_FULL,
+  filterNutritionHistoryKpiTiles,
+} from '../../widgetSystem/nutritionHistoryVizConfig'
+import { EmptySection, PeriodSelector, SectionHeader } from './historyPageChrome'
+
+dayjs.locale('de')
+const fmtDate = (d) => dayjs(d).format('DD.MM')
+
+function ChartFrame({ heightPx, children }) {
+  return (
+    <div style={{ width: '100%', minWidth: 0, height: heightPx }} className="nutrition-history-viz__chart-frame">
+      {children}
+    </div>
+  )
+}
+
+function NutritionGoalsStrip({ grouped }) {
+  const nav = useNavigate()
+  const goals = (grouped?.nutrition || []).filter((g) => g.status === 'active').slice(0, 4)
+  if (!goals.length) return null
+  return (
+    <div className="card" style={{ marginBottom: 12 }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 8 }}>
+        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)' }}>Ernährungsbezogene Ziele</div>
+        <button type="button" className="btn btn-secondary" style={{ fontSize: 10, padding: '2px 8px' }} onClick={() => nav('/goals')}>
+          Ziele <ChevronRight size={10} />
+        </button>
+      </div>
+      <div style={{ display: 'flex', flexWrap: 'wrap', gap: 8 }}>
+        {goals.map((g) => (
+          <div
+            key={g.id}
+            style={{
+              flex: '1 1 140px',
+              background: 'var(--surface2)',
+              borderRadius: 8,
+              padding: '8px 10px',
+              borderTop: `3px solid ${g.is_primary ? 'var(--accent)' : 'var(--border2)'}`,
+            }}
+          >
+            <div
+              style={{
+                fontSize: 11,
+                fontWeight: 600,
+                color: 'var(--text2)',
+                whiteSpace: 'nowrap',
+                overflow: 'hidden',
+                textOverflow: 'ellipsis',
+              }}
+            >
+              {g.name || g.label_de || g.goal_type}
+            </div>
+            <div style={{ marginTop: 4, height: 6, background: 'var(--border)', borderRadius: 3, overflow: 'hidden' }}>
+              <div
+                style={{
+                  width: `${Math.min(100, Math.max(0, g.progress_pct ?? 0))}%`,
+                  height: '100%',
+                  background: 'var(--accent)',
+                }}
+              />
+            </div>
+            <div style={{ fontSize: 10, color: 'var(--text3)', marginTop: 4 }}>
+              {Math.round(g.progress_pct ?? 0)}% · Ziel {g.target_value}
+              {g.unit ? ` ${g.unit}` : ''}
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
+function kcalVsWeightKcalDomain(points, tdeeRef) {
+  const vals = (points || [])
+    .map((d) => Number(d.kcal_avg))
+    .filter((v) => !Number.isNaN(v))
+  if (!vals.length) return ['auto', 'auto']
+  let lo = Math.min(...vals)
+  let hi = Math.max(...vals)
+  const t = tdeeRef != null ? Number(tdeeRef) : NaN
+  if (!Number.isNaN(t)) {
+    lo = Math.min(lo, t)
+    hi = Math.max(hi, t)
+  }
+  const span = hi - lo || 400
+  const pad = Math.max(100, span * 0.1)
+  return [Math.max(0, Math.floor(lo - pad)), Math.ceil(hi + pad)]
+}
+
+const TDEE_REF_LINE_COLOR = '#475569'
+
+function KcalVsWeightLegend({ showTdee }) {
+  const line = (color) => ({
+    display: 'inline-block',
+    width: 22,
+    height: 3,
+    background: color,
+    borderRadius: 1,
+    verticalAlign: 'middle',
+    marginRight: 6,
+  })
+  return (
+    <div
+      className="kcal-vs-weight-legend"
+      style={{
+        display: 'flex',
+        flexWrap: 'wrap',
+        justifyContent: 'center',
+        alignItems: 'center',
+        gap: '12px 18px',
+        marginTop: 10,
+        fontSize: 10,
+        color: 'var(--text2)',
+        lineHeight: 1.35,
+      }}
+    >
+      <span style={{ display: 'inline-flex', alignItems: 'center' }}>
+        <span style={line('#EA580C')} />
+        Ø Kalorien (7-Tage-Mittel)
+      </span>
+      <span style={{ display: 'inline-flex', alignItems: 'center' }}>
+        <span
+          style={{
+            display: 'inline-block',
+            width: 9,
+            height: 9,
+            borderRadius: '50%',
+            background: '#2563EB',
+            marginRight: 6,
+            verticalAlign: 'middle',
+          }}
+        />
+        Gewicht (kg)
+      </span>
+      {showTdee ? (
+        <span style={{ display: 'inline-flex', alignItems: 'center' }}>
+          <span
+            style={{
+              display: 'inline-block',
+              width: 22,
+              height: 0,
+              verticalAlign: 'middle',
+              marginRight: 6,
+              borderTop: `2px dashed ${TDEE_REF_LINE_COLOR}`,
+              opacity: 0.95,
+            }}
+          />
+          TDEE-Referenz (geschätzt)
+        </span>
+      ) : null}
+    </div>
+  )
+}
+
+/** Kalorien (Ø 7T) vs. Gewicht — nur Layer-2b-Bundle (nutrition_metrics). */
+function KcalVsWeightChart({ vizKcalWeight, chartHeight = 200 }) {
+  const n = vizKcalWeight?.points?.length ?? 0
+  if (n < 5) {
+    if (n === 0) return null
+    return (
+      <div className="card" style={{ marginBottom: 12, padding: '12px 14px' }}>
+        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
+          Kalorien (Ø 7 Tage) vs. Gewicht
+        </div>
+        <div style={{ fontSize: 11, color: 'var(--text3)', lineHeight: 1.45 }}>
+          Für dieses Diagramm werden mindestens 5 Tage mit Kalorien- und Gewichtsdaten benötigt ({n} im Zeitraum).
+        </div>
+      </div>
+    )
+  }
+
+  const tdee = vizKcalWeight.tdee_reference_kcal
+  const kcalVsW = vizKcalWeight.points.map((d) => ({
+    ...d,
+    date: fmtDate(d.date),
+  }))
+  const commonDays = vizKcalWeight.common_days_count ?? kcalVsW.length
+  const tdeeLabel = tdee != null && tdee > 0 ? Math.round(tdee) : null
+  const kcalDomain = kcalVsWeightKcalDomain(kcalVsW, tdeeLabel)
+  return (
+    <div className="card" style={{ marginBottom: 12 }}>
+      <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
+        Kalorien (Ø 7 Tage) vs. Gewicht
+      </div>
+      <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
+        Nur Tage mit Kalorien- und Gewichtsdaten. Linke Achse: kcal (Ø 7 Tage), rechte Achse: kg.
+      </div>
+      <ChartFrame heightPx={chartHeight}>
+        <ResponsiveContainer width="100%" height="100%">
+          <LineChart data={kcalVsW} margin={{ top: 4, right: 8, bottom: 0, left: -16 }}>
+            <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
+            <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(kcalVsW.length / 6) - 1)} />
+            <YAxis yAxisId="kcal" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={kcalDomain} />
+            <YAxis yAxisId="weight" orientation="right" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
+            <Tooltip
+              contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
+              formatter={(v, name) => [`${Math.round(v)} ${name === 'weight' ? 'kg' : 'kcal'}`, name === 'kcal_avg' ? 'Ø Kalorien' : 'Gewicht']}
+            />
+            {tdeeLabel != null && (
+              <ReferenceLine
+                yAxisId="kcal"
+                y={tdeeLabel}
+                stroke={TDEE_REF_LINE_COLOR}
+                strokeDasharray="6 5"
+                strokeWidth={2}
+                isFront
+              />
+            )}
+            <Line yAxisId="kcal" type="monotone" dataKey="kcal_avg" stroke="#EA580C" strokeWidth={2.5} dot={false} name="kcal_avg" />
+            <Line yAxisId="weight" type="monotone" dataKey="weight" stroke="#2563EB" strokeWidth={2.5} dot={{ r: 2, fill: '#2563EB' }} name="weight" />
+          </LineChart>
+        </ResponsiveContainer>
+      </ChartFrame>
+      <KcalVsWeightLegend showTdee={tdeeLabel != null} />
+      <div style={{ fontSize: 10, color: 'var(--text3)', textAlign: 'center', marginTop: 8 }}>
+        {tdeeLabel != null
+          ? `TDEE ~${tdeeLabel} kcal · ${commonDays} gemeinsame Tage`
+          : `Keine TDEE-Referenz (Gewicht/Demografie) · ${commonDays} gemeinsame Tage`}
+      </div>
+    </div>
+  )
+}
+
+/**
+ * Verlauf → Ernährung: GET /charts/nutrition-history-viz (Layer 2b) + optional NutritionCharts mit Bundle-Payloads.
+ * @param {object} [props.visibility] — Dashboard-Config; undefined = voller Verlauf
+ * @param {number} [props.externalPeriod] — feste Tage (7–90) im Widget
+ * @param {boolean} [props.embedded]
+ * @param {import('react').ReactNode} [props.footer]
+ */
+export default function NutritionHistoryVizSection({ externalPeriod, embedded = false, visibility, footer = null }) {
+  const display = visibility === undefined ? NUTRITION_HISTORY_VIZ_HISTORY_FULL : visibility
+  const chartHMain = embedded ? 176 : 200
+  const chartHBal = embedded ? 160 : 180
+  const chartHPlm = embedded ? 160 : 180
+
+  const [internalPeriod, setInternalPeriod] = useState(30)
+  const period = externalPeriod !== undefined ? externalPeriod : internalPeriod
+  const showPeriodSelector = externalPeriod === undefined
+
+  const [groupedGoals, setGroupedGoals] = useState(null)
+  const [viz, setViz] = useState(null)
+  const [vizLoad, setVizLoad] = useState(true)
+  const [vizErr, setVizErr] = useState(null)
+
+  useEffect(() => {
+    if (!display.show_goals_strip) {
+      setGroupedGoals({})
+      return undefined
+    }
+    let cancelled = false
+    api.listGoalsGrouped()
+      .then((g) => {
+        if (!cancelled) setGroupedGoals(g)
+      })
+      .catch(() => {
+        if (!cancelled) setGroupedGoals({})
+      })
+    return () => {
+      cancelled = true
+    }
+  }, [display.show_goals_strip])
+
+  useEffect(() => {
+    let cancelled = false
+    setViz(null)
+    setVizLoad(true)
+    setVizErr(null)
+    const daysReq = period === 9999 ? 9999 : period
+    api.getNutritionHistoryViz(daysReq)
+      .then((v) => {
+        if (!cancelled) setViz(v)
+      })
+      .catch((e) => {
+        if (!cancelled) setVizErr(e.message || 'Laden fehlgeschlagen')
+      })
+      .finally(() => {
+        if (!cancelled) setVizLoad(false)
+      })
+    return () => {
+      cancelled = true
+    }
+  }, [period])
+
+  if (vizLoad) {
+    return (
+      <div>
+        {!embedded && <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" />}
+        {showPeriodSelector && <PeriodSelector value={period} onChange={setInternalPeriod} />}
+        <div className="spinner" style={{ margin: 24 }} />
+      </div>
+    )
+  }
+
+  if (vizErr) {
+    return (
+      <div>
+        {!embedded && <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" />}
+        <div className="card" style={{ color: 'var(--danger)', marginTop: 8 }}>{vizErr}</div>
+      </div>
+    )
+  }
+
+  if (!viz?.has_nutrition_entries) {
+    return (
+      <div>
+        {!embedded && <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" />}
+        {showPeriodSelector && <PeriodSelector value={period} onChange={setInternalPeriod} />}
+        <EmptySection text="Noch keine Ernährungsdaten." to="/nutrition" toLabel="FDDB importieren" />
+      </div>
+    )
+  }
+
+  const summary = viz.summary || {}
+  const n = Math.max(0, Number(summary.data_points) || 0)
+  const avgKcal = Math.round(Number(summary.kcal_avg) || 0)
+  const ptLow = Math.round(Number(viz.protein_reference_line_g) || 0)
+  const chartDays = viz.nutrition_charts_days || (period === 9999 ? 90 : period)
+  const kpiTilesRaw = (viz.kpi_tiles || []).map((t) => ({
+    ...t,
+    sublabel: typeof t.sublabel === 'string' && t.sublabel.length > 36 ? `${t.sublabel.slice(0, 34)}…` : t.sublabel,
+  }))
+  const kpiTilesShown = display.show_kpis
+    ? filterNutritionHistoryKpiTiles(kpiTilesRaw, display.kpi_detail || 'full')
+    : []
+  const pieData = viz.donut_avg_pct || []
+  const cdMacro = (viz.daily_macros || []).map((d) => ({
+    date: fmtDate(d.date),
+    Protein: d.Protein,
+    KH: d.KH,
+    Fett: d.Fett,
+    kcal: d.kcal,
+  }))
+  const weeklyMacro = viz.weekly_macro_chart
+  const balDaily = viz.calorie_balance_daily || []
+  const plm = viz.protein_vs_lean_mass || {}
+  const plmPts = plm.points || []
+  const nutHeur = viz.nutrition_correlation_heuristics || []
+  const tdeeRef = viz.tdee_reference_kcal
+
+  if (!cdMacro.length || n === 0) {
+    return (
+      <div>
+        {!embedded && <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" lastUpdated={viz.last_updated} />}
+        {showPeriodSelector && <PeriodSelector value={period} onChange={setInternalPeriod} />}
+        <EmptySection text="Keine Einträge im gewählten Zeitraum." />
+      </div>
+    )
+  }
+
+  return (
+    <div>
+      {!embedded && <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" lastUpdated={viz.last_updated} />}
+      {embedded && viz?.last_updated && (
+        <div style={{ fontSize: 11, color: 'var(--text3)', marginBottom: 10 }}>
+          Stand {dayjs(viz.last_updated).format('DD.MM.YY')}
+        </div>
+      )}
+      {showPeriodSelector && <PeriodSelector value={period} onChange={setInternalPeriod} />}
+
+      {display.show_intro_blurb && (
+        <p style={{ fontSize: 11, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 10 }}>
+          Kennzahlen und Charts nutzen dieselbe Berechnung wie die KI-Platzhalter (Ernährungs-Data-Layer).{' '}
+          <strong>Kalorien vs. Gewicht</strong> und TDEE-Referenz entsprechen Mifflin–St Jeor × PAL 1,55 bzw. kg-Fallback (32,5 kcal/kg).
+          {' '}
+          <strong>Kalorienbilanz</strong>, <strong>Protein vs. Magermasse</strong> und den Block{' '}
+          <strong>«Kurz-Einordnung»</strong> finden Sie hier — früher im eigenen Reiter «Korrelation» (jetzt Data-Layer-Bundle).
+        </p>
+      )}
+
+      {display.show_goals_strip && <NutritionGoalsStrip grouped={groupedGoals} />}
+
+      {kpiTilesShown.length > 0 && <KpiTilesOverview tiles={kpiTilesShown} />}
+
+      {display.show_kcal_vs_weight && <KcalVsWeightChart vizKcalWeight={viz.kcal_vs_weight} chartHeight={chartHMain} />}
+
+      {display.show_calorie_balance_chart && balDaily.length > 0 && tdeeRef != null && (
+        <div className="card" style={{ marginBottom: 12 }}>
+          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
+            Kalorienbilanz (Aufnahme − TDEE ~{Math.round(tdeeRef)} kcal)
+          </div>
+          <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
+            Tagesbilanz und 7-Tage-Mittel — gleiche TDEE-Quelle wie «Kalorien vs. Gewicht» (Data-Layer).
+          </div>
+          <ChartFrame heightPx={chartHBal}>
+            <ResponsiveContainer width="100%" height="100%">
+              <LineChart
+                data={balDaily.map((d) => ({ ...d, date: fmtDate(d.date) }))}
+                margin={{ top: 4, right: 8, bottom: 0, left: -16 }}
+              >
+                <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
+                <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(balDaily.length / 6) - 1)} />
+                <YAxis tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
+                <ReferenceLine y={0} stroke="var(--text3)" strokeWidth={1.5} />
+                <Tooltip
+                  contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
+                  formatter={(v, name) => [`${v > 0 ? '+' : ''}${v} kcal`, name === 'balance_kcal_avg' ? 'Ø 7T Bilanz' : 'Tagesbilanz']}
+                />
+                <Line type="monotone" dataKey="balance_kcal" stroke="#EF9F2744" strokeWidth={1} dot={false} name="balance_kcal" />
+                <Line type="monotone" dataKey="balance_kcal_avg" stroke="#EF9F27" strokeWidth={2.5} dot={false} name="balance_kcal_avg" />
+              </LineChart>
+            </ResponsiveContainer>
+          </ChartFrame>
+        </div>
+      )}
+
+      {display.show_protein_lean_chart && plmPts.length >= 3 && (
+        <div className="card" style={{ marginBottom: 12 }}>
+          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
+            Protein vs. Magermasse (Caliper, forward-filled)
+          </div>
+          <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
+            Zweitachsig; gestrichelte Linie = Protein-Minimum ({plm.protein_target_low_g || ptLow || '—'} g), wenn verfügbar.
+          </div>
+          <ChartFrame heightPx={chartHPlm}>
+            <ResponsiveContainer width="100%" height="100%">
+              <LineChart data={plmPts.map((d) => ({ ...d, date: fmtDate(d.date), protein: d.protein_g, lean: d.lean_mass_kg }))} margin={{ top: 4, right: 8, bottom: 0, left: -16 }}>
+                <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
+                <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
+                <YAxis yAxisId="prot" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
+                <YAxis yAxisId="lean" orientation="right" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
+                {plm.protein_target_low_g > 0 && (
+                  <ReferenceLine
+                    yAxisId="prot"
+                    y={plm.protein_target_low_g}
+                    stroke="#1D9E75"
+                    strokeDasharray="4 4"
+                    strokeWidth={1.5}
+                    label={{ value: `${plm.protein_target_low_g}g`, fontSize: 9, fill: '#1D9E75', position: 'right' }}
+                  />
+                )}
+                <Tooltip
+                  contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
+                  formatter={(v, name) => [`${v}${name === 'protein' ? 'g' : ' kg'}`, name === 'protein' ? 'Protein' : 'Mager']}
+                />
+                <Line yAxisId="prot" type="monotone" dataKey="protein" stroke="#1D9E75" strokeWidth={2} dot={false} name="protein" />
+                <Line yAxisId="lean" type="monotone" dataKey="lean" stroke="#7F77DD" strokeWidth={2} dot={{ r: 3, fill: '#7F77DD' }} name="lean" />
+              </LineChart>
+            </ResponsiveContainer>
+          </ChartFrame>
+        </div>
+      )}
+
+      {display.show_heuristics && nutHeur.length > 0 && (
+        <div style={{ marginBottom: 12 }}>
+          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8 }}>Ernährung — Kurz-Einordnung</div>
+          {nutHeur.map((item, i) => (
+            <div
+              key={i}
+              style={{
+                padding: '10px 12px',
+                borderRadius: 8,
+                marginBottom: 6,
+                background: item.status === 'good' ? 'var(--accent-light)' : 'var(--warn-bg)',
+                border: `1px solid ${item.status === 'good' ? 'var(--accent)' : 'var(--warn)'}33`,
+              }}
+            >
+              <div style={{ display: 'flex', gap: 8, alignItems: 'flex-start' }}>
+                <span style={{ fontSize: 16 }}>{item.icon || '•'}</span>
+                <div>
+                  <div style={{ fontSize: 13, fontWeight: 600 }}>{item.title}</div>
+                  <div style={{ fontSize: 12, color: 'var(--text2)', marginTop: 3, lineHeight: 1.5 }}>{item.detail}</div>
+                </div>
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+
+      {display.show_macro_daily_bars && (
+        <div className="card" style={{ marginBottom: 12 }}>
+          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
+            Makroverteilung täglich (g) · Fokus Protein
+          </div>
+          <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
+            Gestapelte Balken in Gramm; gestrichelte Linie = Protein-Minimum ({ptLow || '—'} g) nach 1,6 g/kg (Referenzgewicht).
+          </div>
+          <ChartFrame heightPx={chartHMain}>
+            <ResponsiveContainer width="100%" height="100%">
+              <BarChart data={cdMacro} margin={{ top: 6, right: 8, bottom: 0, left: -18 }}>
+                <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" vertical={false} />
+                <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(cdMacro.length / 6) - 1)} />
+                <YAxis tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
+                {ptLow > 0 && (
+                  <ReferenceLine y={ptLow} stroke={MACRO_CHART.protein} strokeDasharray="5 4" strokeWidth={2} label={{ value: `${ptLow}g P`, fontSize: 9, fill: MACRO_CHART.protein, position: 'insideTopRight' }} />
+                )}
+                <Tooltip contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }} formatter={(v, name) => [`${v}g`, name]} />
+                <Bar dataKey="Protein" stackId="a" fill={MACRO_CHART.protein} name="Protein" />
+                <Bar dataKey="Fett" stackId="a" fill={MACRO_CHART.fat} name="Fett" />
+                <Bar dataKey="KH" stackId="a" fill={MACRO_CHART.carbs} name="KH" radius={[5, 5, 0, 0]} />
+              </BarChart>
+            </ResponsiveContainer>
+          </ChartFrame>
+          <div style={{ display: 'flex', gap: 12, justifyContent: 'center', marginTop: 8, fontSize: 10, color: 'var(--text3)', flexWrap: 'wrap' }}>
+            <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.protein, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />Protein (unten)</span>
+            <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.fat, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />Fett (Mitte)</span>
+            <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.carbs, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />KH (oben)</span>
+          </div>
+        </div>
+      )}
+
+      {display.show_macro_distribution_pair && (
+        <div className="nutrition-macro-pair">
+          <div className="card nutrition-macro-pair__donut">
+            <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8 }}>
+              Ø Makro-Quote ({n} Tage)
+            </div>
+            {pieData.length > 0 ? (
+              <div className="nutrition-macro-pair__donut-inner">
+                <div className="nutrition-macro-pair__donut-chart">
+                  <ChartFrame heightPx={NUTRITION_MACRO_CHART_BLOCK_PX}>
+                    <ResponsiveContainer width="100%" height="100%">
+                      <PieChart>
+                        <Pie
+                          data={pieData}
+                          cx="50%"
+                          cy="50%"
+                          innerRadius="38%"
+                          outerRadius="58%"
+                          dataKey="value"
+                          startAngle={90}
+                          endAngle={-270}
+                          paddingAngle={1}
+                        >
+                          {pieData.map((e, i) => (
+                            <Cell key={i} fill={macroFillByName(e.name)} />
+                          ))}
+                        </Pie>
+                        <Tooltip formatter={(v, name) => [`${v}%`, name]} />
+                      </PieChart>
+                    </ResponsiveContainer>
+                  </ChartFrame>
+                </div>
+                <div className="nutrition-macro-pair__legend">
+                  {pieData.map((p) => {
+                    const fill = macroFillByName(p.name)
+                    return (
+                      <div key={p.name} style={{ display: 'flex', alignItems: 'center', gap: 8, marginBottom: 4 }}>
+                        <div style={{ width: 10, height: 10, borderRadius: 2, background: fill, flexShrink: 0 }} />
+                        <div style={{ flex: 1, fontSize: 13 }}>{p.name}</div>
+                        <div style={{ fontSize: 13, fontWeight: 600, color: fill }}>{p.value}%</div>
+                        <div style={{ fontSize: 11, color: 'var(--text3)' }}>
+                          {p.grams != null ? `${p.grams}g` : '—'}
+                        </div>
+                      </div>
+                    )
+                  })}
+                  <div style={{ marginTop: 8, fontSize: 11, color: 'var(--text3)', borderTop: '1px solid var(--border)', paddingTop: 8 }}>
+                    Ø {avgKcal} kcal/Tag · Anteil der Makro-Kalorien am Tagesumsatz
+                  </div>
+                </div>
+              </div>
+            ) : (
+              <div style={{ fontSize: 12, color: 'var(--text3)' }}>Keine Makro-Mittelwerte im Zeitraum.</div>
+            )}
+          </div>
+          <div className="card nutrition-macro-pair__weekly">
+            <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 4 }}>
+              Wöchentliche Makro-Verteilung (Backend)
+            </div>
+            <WeeklyMacroDistributionPanel macroWeeklyData={weeklyMacro} loading={false} error={null} />
+          </div>
+        </div>
+      )}
+
+      {display.show_energy_protein_charts && (
+        <>
+          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8, marginTop: 4 }}>
+            Zeitverläufe (Energie & Protein)
+          </div>
+          <NutritionCharts
+            days={chartDays}
+            showWeeklyMacroDistribution={false}
+            hideEnergyAvailabilityCard
+            prefetchedChartPayloads={viz.chart_payloads}
+          />
+        </>
+      )}
+
+      {footer}
+    </div>
+  )
+}

frontend/src/pages/DashboardConfigurePage.jsx

@@ -12,6 +12,7 @@ import {
 import KpiBoardConfigEditor from '../widgetSystem/KpiBoardConfigEditor'
 import QuickCaptureConfigEditor from '../widgetSystem/QuickCaptureConfigEditor'
 import BodyHistoryVizConfigEditor from '../widgetSystem/BodyHistoryVizConfigEditor'
+import NutritionHistoryVizConfigEditor from '../widgetSystem/NutritionHistoryVizConfigEditor'
 import {
   moveWidget,
   moveWidgetToIndex,
@@ -24,6 +25,7 @@ const CHART_DAYS_WIDGET_IDS = new Set([
   'body_history_viz',
   'activity_overview',
   'nutrition_detail_charts',
+  'nutrition_history_viz',
   'recovery_charts_panel',
 ])
 
@@ -514,6 +516,23 @@ export default function DashboardConfigurePage({ adminMode = false } = {}) {
                     }
                   />
                 )}
+                {w.id === 'nutrition_history_viz' && (
+                  <NutritionHistoryVizConfigEditor
+                    config={w.config || {}}
+                    onChange={(next) =>
+                      setLayout((L) =>
+                        normalizeLayoutForEditor({
+                          ...L,
+                          widgets: L.widgets.map((x, j) => {
+                            if (j !== i) return x
+                            if (Object.keys(next).length === 0) return { ...x, config: {} }
+                            return { ...x, config: { ...(x.config || {}), ...next } }
+                          }),
+                        })
+                      )
+                    }
+                  />
+                )}
               </li>
             )
           })}

frontend/src/pages/DashboardLabPage.jsx

@@ -13,6 +13,7 @@ import {
 import KpiBoardConfigEditor from '../widgetSystem/KpiBoardConfigEditor'
 import QuickCaptureConfigEditor from '../widgetSystem/QuickCaptureConfigEditor'
 import BodyHistoryVizConfigEditor from '../widgetSystem/BodyHistoryVizConfigEditor'
+import NutritionHistoryVizConfigEditor from '../widgetSystem/NutritionHistoryVizConfigEditor'
 import { moveWidget, normalizeLayoutForEditor, toggleWidget } from '../widgetSystem/layoutEditor'
 
 /** Widgets mit optionalem config.chart_days (7–90), gleiche UX im Editor */
@@ -21,6 +22,7 @@ const CHART_DAYS_WIDGET_IDS = new Set([
   'body_history_viz',
   'activity_overview',
   'nutrition_detail_charts',
+  'nutrition_history_viz',
   'recovery_charts_panel',
 ])
 
@@ -326,7 +328,9 @@ export default function DashboardLabPage() {
                             ? 'Aktivität (Verteilung & Konsistenz)'
                             : w.id === 'nutrition_detail_charts'
                               ? 'Ernährung — Charts'
-                              : 'Erholung — Charts'}{' '}
+                              : w.id === 'nutrition_history_viz'
+                                ? 'Ernährung (Verlauf-Bundle)'
+                                : 'Erholung — Charts'}{' '}
                       — Zeitraum (Tage): {BODY_CHART_DAYS_MIN}–{BODY_CHART_DAYS_MAX}
                     </label>
                     <input
@@ -344,7 +348,9 @@ export default function DashboardLabPage() {
                               ? 'Aktivität Zeitraum in Tagen'
                               : w.id === 'nutrition_detail_charts'
                                 ? 'Ernährungs-Charts Zeitraum in Tagen'
-                                : 'Erholungs-Charts Zeitraum in Tagen'
+                                : w.id === 'nutrition_history_viz'
+                                  ? 'Ernährung Verlauf-Bundle Zeitraum in Tagen'
+                                  : 'Erholungs-Charts Zeitraum in Tagen'
                       }
                       value={
                         chartDaysDraftByWidgetId[w.id] !== undefined
@@ -397,6 +403,23 @@ export default function DashboardLabPage() {
                     }
                   />
                 )}
+                {w.id === 'nutrition_history_viz' && (
+                  <NutritionHistoryVizConfigEditor
+                    config={w.config || {}}
+                    onChange={(next) =>
+                      setLayout((L) =>
+                        normalizeLayoutForEditor({
+                          ...L,
+                          widgets: L.widgets.map((x, j) => {
+                            if (j !== i) return x
+                            if (Object.keys(next).length === 0) return { ...x, config: {} }
+                            return { ...x, config: { ...(x.config || {}), ...next } }
+                          }),
+                        })
+                      )
+                    }
+                  />
+                )}
               </li>
             )
           })}

frontend/src/pages/History.jsx

@@ -4,27 +4,23 @@ import { useProfile } from '../context/ProfileContext'
 import {
   LineChart, Line, BarChart, Bar,
   XAxis, YAxis, Tooltip, ResponsiveContainer, CartesianGrid,
-  ReferenceLine, PieChart, Pie, Cell, ComposedChart,
+  ReferenceLine, Cell, ComposedChart,
   ScatterChart, Scatter,
 } from 'recharts'
-import { ChevronRight, Brain, ChevronDown, ChevronUp, Trash2 } from 'lucide-react'
+import { Brain, ChevronDown, ChevronUp, Trash2 } from 'lucide-react'
 import { api } from '../utils/api'
 import { photoMonthKey, photoSortKey, formatPhotoCaption } from '../utils/photoDisplay'
 import { getStatusColor, getStatusBg } from '../utils/interpret'
-import { MACRO_CHART, macroFillByName, NUTRITION_MACRO_CHART_BLOCK_PX } from '../utils/macroChartTheme'
 import Markdown from '../utils/Markdown'
 import FitnessDashboardOverview from '../components/FitnessDashboardOverview'
-import NutritionCharts, { WeeklyMacroDistributionPanel } from '../components/NutritionCharts'
 import RecoveryDashboardOverview from '../components/RecoveryDashboardOverview'
-import KpiTilesOverview from '../components/KpiTilesOverview'
 import BodyHistoryVizSection from '../components/history/BodyHistoryVizSection'
+import NutritionHistoryVizSection from '../components/history/NutritionHistoryVizSection'
 import { EmptySection, NavToCaliper, NavToCircum, PeriodSelector, SectionHeader } from '../components/history/historyPageChrome'
 import dayjs from 'dayjs'
 import 'dayjs/locale/de'
 dayjs.locale('de')
 
-const fmtDate = d => dayjs(d).format('DD.MM')
-
 function RuleCard({ item }) {
   const [open, setOpen] = useState(false)
   const color = getStatusColor(item.status)
@@ -46,51 +42,6 @@ function RuleCard({ item }) {
   )
 }
 
-function NutritionGoalsStrip({ grouped }) {
-  const nav = useNavigate()
-  const goals = (grouped?.nutrition || []).filter(g => g.status === 'active').slice(0, 4)
-  if (!goals.length) return null
-  return (
-    <div className="card" style={{ marginBottom: 12 }}>
-      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 8 }}>
-        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)' }}>Ernährungsbezogene Ziele</div>
-        <button type="button" className="btn btn-secondary" style={{ fontSize: 10, padding: '2px 8px' }} onClick={() => nav('/goals')}>
-          Ziele <ChevronRight size={10} />
-        </button>
-      </div>
-      <div style={{ display: 'flex', flexWrap: 'wrap', gap: 8 }}>
-        {goals.map(g => (
-          <div
-            key={g.id}
-            style={{
-              flex: '1 1 140px',
-              background: 'var(--surface2)',
-              borderRadius: 8,
-              padding: '8px 10px',
-              borderTop: `3px solid ${g.is_primary ? 'var(--accent)' : 'var(--border2)'}`,
-            }}
-          >
-            <div style={{
-              fontSize: 11, fontWeight: 600, color: 'var(--text2)',
-              whiteSpace: 'nowrap', overflow: 'hidden', textOverflow: 'ellipsis',
-            }}>{g.name || g.label_de || g.goal_type}</div>
-            <div style={{ marginTop: 4, height: 6, background: 'var(--border)', borderRadius: 3, overflow: 'hidden' }}>
-              <div style={{
-                width: `${Math.min(100, Math.max(0, g.progress_pct ?? 0))}%`,
-                height: '100%',
-                background: 'var(--accent)',
-              }} />
-            </div>
-            <div style={{ fontSize: 10, color: 'var(--text3)', marginTop: 4 }}>
-              {Math.round(g.progress_pct ?? 0)}% · Ziel {g.target_value}{g.unit ? ` ${g.unit}` : ''}
-            </div>
-          </div>
-        ))}
-      </div>
-    </div>
-  )
-}
-
 function InsightBox({ insights, slugs, onRequest, loading }) {
   const [expanded, setExpanded] = useState(null)
   const relevant = insights?.filter(i=>slugs.includes(i.scope))||[]
@@ -138,459 +89,6 @@ function InsightBox({ insights, slugs, onRequest, loading }) {
   )
 }
 
-/** TDEE-Linie muss in der kcal-Y-Domain liegen (sonst unsichtbar trotz Legende). */
-function kcalVsWeightKcalDomain(points, tdeeRef) {
-  const vals = (points || [])
-    .map(d => Number(d.kcal_avg))
-    .filter(v => !Number.isNaN(v))
-  if (!vals.length) return ['auto', 'auto']
-  let lo = Math.min(...vals)
-  let hi = Math.max(...vals)
-  const t = tdeeRef != null ? Number(tdeeRef) : NaN
-  if (!Number.isNaN(t)) {
-    lo = Math.min(lo, t)
-    hi = Math.max(hi, t)
-  }
-  const span = hi - lo || 400
-  const pad = Math.max(100, span * 0.1)
-  return [Math.max(0, Math.floor(lo - pad)), Math.ceil(hi + pad)]
-}
-
-const TDEE_REF_LINE_COLOR = '#475569'
-
-/** Legende unter dem Chart: Linien + ggf. TDEE-Referenz (gestrichelt). */
-function KcalVsWeightLegend({ showTdee }) {
-  const line = (color) => ({
-    display: 'inline-block',
-    width: 22,
-    height: 3,
-    background: color,
-    borderRadius: 1,
-    verticalAlign: 'middle',
-    marginRight: 6,
-  })
-  return (
-    <div
-      className="kcal-vs-weight-legend"
-      style={{
-        display: 'flex',
-        flexWrap: 'wrap',
-        justifyContent: 'center',
-        alignItems: 'center',
-        gap: '12px 18px',
-        marginTop: 10,
-        fontSize: 10,
-        color: 'var(--text2)',
-        lineHeight: 1.35,
-      }}
-    >
-      <span style={{ display: 'inline-flex', alignItems: 'center' }}>
-        <span style={line('#EA580C')} />
-        Ø Kalorien (7-Tage-Mittel)
-      </span>
-      <span style={{ display: 'inline-flex', alignItems: 'center' }}>
-        <span
-          style={{
-            display: 'inline-block',
-            width: 9,
-            height: 9,
-            borderRadius: '50%',
-            background: '#2563EB',
-            marginRight: 6,
-            verticalAlign: 'middle',
-          }}
-        />
-        Gewicht (kg)
-      </span>
-      {showTdee ? (
-        <span style={{ display: 'inline-flex', alignItems: 'center' }}>
-          <span
-            style={{
-              display: 'inline-block',
-              width: 22,
-              height: 0,
-              verticalAlign: 'middle',
-              marginRight: 6,
-              borderTop: `2px dashed ${TDEE_REF_LINE_COLOR}`,
-              opacity: 0.95,
-            }}
-          />
-          TDEE-Referenz (geschätzt)
-        </span>
-      ) : null}
-    </div>
-  )
-}
-
-/** Kalorien (Ø 7T) vs. Gewicht — nur Layer-2b-Bundle (nutrition_metrics); kein Frontend-TDEE-Fallback. */
-function KcalVsWeightChart({ vizKcalWeight }) {
-  const n = vizKcalWeight?.points?.length ?? 0
-  if (n < 5) {
-    if (n === 0) return null
-    return (
-      <div className="card" style={{ marginBottom: 12, padding: '12px 14px' }}>
-        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
-          Kalorien (Ø 7 Tage) vs. Gewicht
-        </div>
-        <div style={{ fontSize: 11, color: 'var(--text3)', lineHeight: 1.45 }}>
-          Für dieses Diagramm werden mindestens 5 Tage mit Kalorien- und Gewichtsdaten benötigt ({n} im Zeitraum).
-        </div>
-      </div>
-    )
-  }
-
-  const tdee = vizKcalWeight.tdee_reference_kcal
-  const kcalVsW = vizKcalWeight.points.map(d => ({
-    ...d,
-    date: fmtDate(d.date),
-  }))
-  const commonDays = vizKcalWeight.common_days_count ?? kcalVsW.length
-  const tdeeLabel = tdee != null && tdee > 0 ? Math.round(tdee) : null
-  const kcalDomain = kcalVsWeightKcalDomain(kcalVsW, tdeeLabel)
-  return (
-    <div className="card" style={{ marginBottom: 12 }}>
-      <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
-        Kalorien (Ø 7 Tage) vs. Gewicht
-      </div>
-      <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
-        Nur Tage mit Kalorien- und Gewichtsdaten. Linke Achse: kcal (Ø 7 Tage), rechte Achse: kg.
-      </div>
-      <ResponsiveContainer width="100%" height={200}>
-        <LineChart data={kcalVsW} margin={{ top: 4, right: 8, bottom: 0, left: -16 }}>
-          <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
-          <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(kcalVsW.length / 6) - 1)} />
-          <YAxis yAxisId="kcal" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={kcalDomain} />
-          <YAxis yAxisId="weight" orientation="right" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
-          <Tooltip
-            contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
-            formatter={(v, name) => [`${Math.round(v)} ${name === 'weight' ? 'kg' : 'kcal'}`, name === 'kcal_avg' ? 'Ø Kalorien' : 'Gewicht']}
-          />
-          {tdeeLabel != null && (
-            <ReferenceLine
-              yAxisId="kcal"
-              y={tdeeLabel}
-              stroke={TDEE_REF_LINE_COLOR}
-              strokeDasharray="6 5"
-              strokeWidth={2}
-              isFront
-            />
-          )}
-          <Line yAxisId="kcal" type="monotone" dataKey="kcal_avg" stroke="#EA580C" strokeWidth={2.5} dot={false} name="kcal_avg" />
-          <Line yAxisId="weight" type="monotone" dataKey="weight" stroke="#2563EB" strokeWidth={2.5} dot={{ r: 2, fill: '#2563EB' }} name="weight" />
-        </LineChart>
-      </ResponsiveContainer>
-      <KcalVsWeightLegend showTdee={tdeeLabel != null} />
-      <div style={{ fontSize: 10, color: 'var(--text3)', textAlign: 'center', marginTop: 8 }}>
-        {tdeeLabel != null
-          ? `TDEE ~${tdeeLabel} kcal · ${commonDays} gemeinsame Tage`
-          : `Keine TDEE-Referenz (Gewicht/Demografie) · ${commonDays} gemeinsame Tage`}
-      </div>
-    </div>
-  )
-}
-
-// ── Nutrition Section ─────────────────────────────────────────────────────────
-/** Layer 2b: Kennzahlen und Reihen nur aus GET /charts/nutrition-history-viz (nutrition_metrics). */
-function NutritionSection({ insights, onRequest, loadingSlug, filterActiveSlugs }) {
-  const [period, setPeriod] = useState(30)
-  const [groupedGoals, setGroupedGoals] = useState(null)
-  const [viz, setViz] = useState(null)
-  const [vizLoad, setVizLoad] = useState(true)
-  const [vizErr, setVizErr] = useState(null)
-
-  useEffect(() => {
-    let cancelled = false
-    api.listGoalsGrouped()
-      .then(g => { if (!cancelled) setGroupedGoals(g) })
-      .catch(() => { if (!cancelled) setGroupedGoals({}) })
-    return () => { cancelled = true }
-  }, [])
-
-  useEffect(() => {
-    let cancelled = false
-    setViz(null)
-    setVizLoad(true)
-    setVizErr(null)
-    const daysReq = period === 9999 ? 9999 : period
-    api.getNutritionHistoryViz(daysReq)
-      .then(v => { if (!cancelled) setViz(v) })
-      .catch(e => { if (!cancelled) setVizErr(e.message || 'Laden fehlgeschlagen') })
-      .finally(() => { if (!cancelled) setVizLoad(false) })
-    return () => { cancelled = true }
-  }, [period])
-
-  if (vizLoad) {
-    return (
-      <div>
-        <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" />
-        <PeriodSelector value={period} onChange={setPeriod} />
-        <div className="spinner" style={{ margin: 24 }} />
-      </div>
-    )
-  }
-
-  if (vizErr) {
-    return (
-      <div>
-        <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" />
-        <div className="card" style={{ color: 'var(--danger)', marginTop: 8 }}>{vizErr}</div>
-      </div>
-    )
-  }
-
-  if (!viz?.has_nutrition_entries) {
-    return (
-      <EmptySection text="Noch keine Ernährungsdaten." to="/nutrition" toLabel="FDDB importieren"/>
-    )
-  }
-
-  const summary = viz.summary || {}
-  const n = Math.max(0, Number(summary.data_points) || 0)
-  const avgKcal = Math.round(Number(summary.kcal_avg) || 0)
-  const ptLow = Math.round(Number(viz.protein_reference_line_g) || 0)
-  const chartDays = viz.nutrition_charts_days || (period === 9999 ? 90 : period)
-  const kpiTiles = (viz.kpi_tiles || []).map(t => ({
-    ...t,
-    sublabel: typeof t.sublabel === 'string' && t.sublabel.length > 36 ? `${t.sublabel.slice(0, 34)}…` : t.sublabel,
-  }))
-  const pieData = viz.donut_avg_pct || []
-  const cdMacro = (viz.daily_macros || []).map(d => ({
-    date: fmtDate(d.date),
-    Protein: d.Protein,
-    KH: d.KH,
-    Fett: d.Fett,
-    kcal: d.kcal,
-  }))
-  const weeklyMacro = viz.weekly_macro_chart
-  const wmLoading = false
-  const wmError = null
-  const balDaily = viz.calorie_balance_daily || []
-  const plm = viz.protein_vs_lean_mass || {}
-  const plmPts = plm.points || []
-  const nutHeur = viz.nutrition_correlation_heuristics || []
-  const tdeeRef = viz.tdee_reference_kcal
-
-  if (!cdMacro.length || n === 0) {
-    return (
-      <div>
-        <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" lastUpdated={viz.last_updated} />
-        <PeriodSelector value={period} onChange={setPeriod}/>
-        <EmptySection text="Keine Einträge im gewählten Zeitraum."/>
-      </div>
-    )
-  }
-
-  return (
-    <div>
-      <SectionHeader title="🍽️ Ernährung" to="/nutrition" toLabel="Import" lastUpdated={viz.last_updated}/>
-      <PeriodSelector value={period} onChange={setPeriod}/>
-
-      <p style={{ fontSize: 11, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 10 }}>
-        Kennzahlen und Charts nutzen dieselbe Berechnung wie die KI-Platzhalter (Ernährungs-Data-Layer).{' '}
-        <strong>Kalorien vs. Gewicht</strong> und TDEE-Referenz entsprechen Mifflin–St Jeor × PAL 1,55 bzw. kg-Fallback (32,5 kcal/kg).
-        {' '}
-        <strong>Kalorienbilanz</strong>, <strong>Protein vs. Magermasse</strong> und den Block{' '}
-        <strong>«Kurz-Einordnung»</strong> finden Sie hier — früher im eigenen Reiter «Korrelation» (jetzt Data-Layer-Bundle).
-      </p>
-
-      <NutritionGoalsStrip grouped={groupedGoals} />
-
-      <KpiTilesOverview tiles={kpiTiles} />
-
-      <KcalVsWeightChart vizKcalWeight={viz.kcal_vs_weight} />
-
-      {balDaily.length > 0 && tdeeRef != null && (
-        <div className="card" style={{ marginBottom: 12 }}>
-          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
-            Kalorienbilanz (Aufnahme − TDEE ~{Math.round(tdeeRef)} kcal)
-          </div>
-          <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
-            Tagesbilanz und 7-Tage-Mittel — gleiche TDEE-Quelle wie «Kalorien vs. Gewicht» (Data-Layer).
-          </div>
-          <ResponsiveContainer width="100%" height={180}>
-            <LineChart
-              data={balDaily.map((d) => ({ ...d, date: fmtDate(d.date) }))}
-              margin={{ top: 4, right: 8, bottom: 0, left: -16 }}
-            >
-              <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
-              <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(balDaily.length / 6) - 1)} />
-              <YAxis tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
-              <ReferenceLine y={0} stroke="var(--text3)" strokeWidth={1.5} />
-              <Tooltip
-                contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
-                formatter={(v, n) => [`${v > 0 ? '+' : ''}${v} kcal`, n === 'balance_kcal_avg' ? 'Ø 7T Bilanz' : 'Tagesbilanz']}
-              />
-              <Line type="monotone" dataKey="balance_kcal" stroke="#EF9F2744" strokeWidth={1} dot={false} name="balance_kcal" />
-              <Line type="monotone" dataKey="balance_kcal_avg" stroke="#EF9F27" strokeWidth={2.5} dot={false} name="balance_kcal_avg" />
-            </LineChart>
-          </ResponsiveContainer>
-        </div>
-      )}
-
-      {plmPts.length >= 3 && (
-        <div className="card" style={{ marginBottom: 12 }}>
-          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
-            Protein vs. Magermasse (Caliper, forward-filled)
-          </div>
-          <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
-            Zweitachsig; gestrichelte Linie = Protein-Minimum ({plm.protein_target_low_g || ptLow || '—'} g), wenn verfügbar.
-          </div>
-          <ResponsiveContainer width="100%" height={180}>
-            <LineChart data={plmPts.map((d) => ({ ...d, date: fmtDate(d.date), protein: d.protein_g, lean: d.lean_mass_kg }))} margin={{ top: 4, right: 8, bottom: 0, left: -16 }}>
-              <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" />
-              <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
-              <YAxis yAxisId="prot" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
-              <YAxis yAxisId="lean" orientation="right" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} domain={['auto', 'auto']} />
-              {plm.protein_target_low_g > 0 && (
-                <ReferenceLine
-                  yAxisId="prot"
-                  y={plm.protein_target_low_g}
-                  stroke="#1D9E75"
-                  strokeDasharray="4 4"
-                  strokeWidth={1.5}
-                  label={{ value: `${plm.protein_target_low_g}g`, fontSize: 9, fill: '#1D9E75', position: 'right' }}
-                />
-              )}
-              <Tooltip
-                contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }}
-                formatter={(v, n) => [`${v}${n === 'protein' ? 'g' : ' kg'}`, n === 'protein' ? 'Protein' : 'Mager']}
-              />
-              <Line yAxisId="prot" type="monotone" dataKey="protein" stroke="#1D9E75" strokeWidth={2} dot={false} name="protein" />
-              <Line yAxisId="lean" type="monotone" dataKey="lean" stroke="#7F77DD" strokeWidth={2} dot={{ r: 3, fill: '#7F77DD' }} name="lean" />
-            </LineChart>
-          </ResponsiveContainer>
-        </div>
-      )}
-
-      {nutHeur.length > 0 && (
-        <div style={{ marginBottom: 12 }}>
-          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8 }}>Ernährung — Kurz-Einordnung</div>
-          {nutHeur.map((item, i) => (
-            <div
-              key={i}
-              style={{
-                padding: '10px 12px',
-                borderRadius: 8,
-                marginBottom: 6,
-                background: item.status === 'good' ? 'var(--accent-light)' : 'var(--warn-bg)',
-                border: `1px solid ${item.status === 'good' ? 'var(--accent)' : 'var(--warn)'}33`,
-              }}
-            >
-              <div style={{ display: 'flex', gap: 8, alignItems: 'flex-start' }}>
-                <span style={{ fontSize: 16 }}>{item.icon || '•'}</span>
-                <div>
-                  <div style={{ fontSize: 13, fontWeight: 600 }}>{item.title}</div>
-                  <div style={{ fontSize: 12, color: 'var(--text2)', marginTop: 3, lineHeight: 1.5 }}>{item.detail}</div>
-                </div>
-              </div>
-            </div>
-          ))}
-        </div>
-      )}
-
-      <div className="card" style={{ marginBottom: 12 }}>
-        <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 6 }}>
-          Makroverteilung täglich (g) · Fokus Protein
-        </div>
-        <div style={{ fontSize: 10, color: 'var(--text3)', lineHeight: 1.45, marginBottom: 8 }}>
-          Gestapelte Balken in Gramm; gestrichelte Linie = Protein-Minimum ({ptLow || '—'} g) nach 1,6 g/kg (Referenzgewicht).
-        </div>
-        <ResponsiveContainer width="100%" height={200}>
-          <BarChart data={cdMacro} margin={{ top: 6, right: 8, bottom: 0, left: -18 }}>
-            <CartesianGrid stroke="var(--border)" strokeDasharray="3 3" vertical={false} />
-            <XAxis dataKey="date" tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} interval={Math.max(0, Math.floor(cdMacro.length / 6) - 1)} />
-            <YAxis tick={{ fontSize: 9, fill: 'var(--text3)' }} tickLine={false} />
-            {ptLow > 0 && (
-              <ReferenceLine y={ptLow} stroke={MACRO_CHART.protein} strokeDasharray="5 4" strokeWidth={2} label={{ value: `${ptLow}g P`, fontSize: 9, fill: MACRO_CHART.protein, position: 'insideTopRight' }} />
-            )}
-            <Tooltip contentStyle={{ background: 'var(--surface)', border: '1px solid var(--border)', borderRadius: 8, fontSize: 11 }} formatter={(v, name) => [`${v}g`, name]} />
-            <Bar dataKey="Protein" stackId="a" fill={MACRO_CHART.protein} name="Protein" />
-            <Bar dataKey="Fett" stackId="a" fill={MACRO_CHART.fat} name="Fett" />
-            <Bar dataKey="KH" stackId="a" fill={MACRO_CHART.carbs} name="KH" radius={[5, 5, 0, 0]} />
-          </BarChart>
-        </ResponsiveContainer>
-        <div style={{ display: 'flex', gap: 12, justifyContent: 'center', marginTop: 8, fontSize: 10, color: 'var(--text3)', flexWrap: 'wrap' }}>
-          <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.protein, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />Protein (unten)</span>
-          <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.fat, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />Fett (Mitte)</span>
-          <span><span style={{ display: 'inline-block', width: 10, height: 10, background: MACRO_CHART.carbs, borderRadius: 2, verticalAlign: 'middle', marginRight: 4 }} />KH (oben)</span>
-        </div>
-      </div>
-
-      <div className="nutrition-macro-pair">
-        <div className="card nutrition-macro-pair__donut">
-          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8 }}>
-            Ø Makro-Quote ({n} Tage)
-          </div>
-          {pieData.length > 0 ? (
-            <div className="nutrition-macro-pair__donut-inner">
-              <div className="nutrition-macro-pair__donut-chart">
-                <ResponsiveContainer width="100%" height={NUTRITION_MACRO_CHART_BLOCK_PX}>
-                  <PieChart>
-                    <Pie
-                      data={pieData}
-                      cx="50%"
-                      cy="50%"
-                      innerRadius="38%"
-                      outerRadius="58%"
-                      dataKey="value"
-                      startAngle={90}
-                      endAngle={-270}
-                      paddingAngle={1}
-                    >
-                      {pieData.map((e, i) => (
-                        <Cell key={i} fill={macroFillByName(e.name)} />
-                      ))}
-                    </Pie>
-                    <Tooltip formatter={(v, name) => [`${v}%`, name]} />
-                  </PieChart>
-                </ResponsiveContainer>
-              </div>
-              <div className="nutrition-macro-pair__legend">
-                {pieData.map(p => {
-                  const fill = macroFillByName(p.name)
-                  return (
-                    <div key={p.name} style={{ display: 'flex', alignItems: 'center', gap: 8, marginBottom: 4 }}>
-                      <div style={{ width: 10, height: 10, borderRadius: 2, background: fill, flexShrink: 0 }} />
-                      <div style={{ flex: 1, fontSize: 13 }}>{p.name}</div>
-                      <div style={{ fontSize: 13, fontWeight: 600, color: fill }}>{p.value}%</div>
-                      <div style={{ fontSize: 11, color: 'var(--text3)' }}>
-                        {p.grams != null ? `${p.grams}g` : '—'}
-                      </div>
-                    </div>
-                  )
-                })}
-                <div style={{ marginTop: 8, fontSize: 11, color: 'var(--text3)', borderTop: '1px solid var(--border)', paddingTop: 8 }}>
-                  Ø {avgKcal} kcal/Tag · Anteil der Makro-Kalorien am Tagesumsatz
-                </div>
-              </div>
-            </div>
-          ) : (
-            <div style={{ fontSize: 12, color: 'var(--text3)' }}>Keine Makro-Mittelwerte im Zeitraum.</div>
-          )}
-        </div>
-        <div className="card nutrition-macro-pair__weekly">
-          <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 4 }}>
-            Wöchentliche Makro-Verteilung (Backend)
-          </div>
-          <WeeklyMacroDistributionPanel macroWeeklyData={weeklyMacro} loading={wmLoading} error={wmError} />
-        </div>
-      </div>
-
-      <div style={{ fontSize: 12, fontWeight: 600, color: 'var(--text3)', marginBottom: 8, marginTop: 4 }}>
-        Zeitverläufe (Energie & Protein)
-      </div>
-      <NutritionCharts
-        days={chartDays}
-        showWeeklyMacroDistribution={false}
-        hideEnergyAvailabilityCard
-        prefetchedChartPayloads={viz.chart_payloads}
-      />
-
-      <InsightBox insights={insights} slugs={filterActiveSlugs(['ernaehrung'])} onRequest={onRequest} loading={loadingSlug}/>
-    </div>
-  )
-}
-
 // ── Activity Section — nur Layer-2b-Bundle (+ KI-Insights), keine parallelen Client-Charts ─
 function ActivitySection({ activityLastDate, insights, onRequest, loadingSlug, filterActiveSlugs, globalQualityLevel }) {
   const [period, setPeriod] = useState(30)
@@ -1316,7 +814,18 @@ export default function History() {
               )}
             />
           )}
-          {tab==='nutrition'   && <NutritionSection {...sp}/>}
+          {tab === 'nutrition' && (
+            <NutritionHistoryVizSection
+              footer={(
+                <InsightBox
+                  insights={insights}
+                  slugs={filterActiveSlugs(['ernaehrung'])}
+                  onRequest={requestInsight}
+                  loading={loadingSlug}
+                />
+              )}
+            />
+          )}
           {tab==='activity'    && <ActivitySection activityLastDate={activityLastDate} globalQualityLevel={activeProfile?.quality_filter_level} {...sp}/>}
           {tab==='photos'      && <PhotoGrid/>}
         </div>

frontend/src/widgetSystem/NutritionHistoryVizConfigEditor.jsx

@@ -0,0 +1,92 @@
+import { NUTRITION_HISTORY_VIZ_WIDGET_DEFAULTS, normalizeNutritionHistoryVizConfig } from './nutritionHistoryVizConfig'
+
+const CHART_TOGGLES = [
+  { key: 'show_kcal_vs_weight', label: 'Kalorien vs. Gewicht' },
+  { key: 'show_calorie_balance_chart', label: 'Kalorienbilanz' },
+  { key: 'show_protein_lean_chart', label: 'Protein vs. Magermasse' },
+  { key: 'show_heuristics', label: 'Kurz-Einordnung (Heuristiken)' },
+  { key: 'show_macro_daily_bars', label: 'Makros täglich (Balken)' },
+  { key: 'show_macro_distribution_pair', label: 'Donut + Wochen-Makros' },
+  { key: 'show_energy_protein_charts', label: 'Zeitverläufe (NutritionCharts, Bundle-Payloads)' },
+]
+
+const OTHER_TOGGLES = [
+  { key: 'show_goals_strip', label: 'Ernährungs-Ziele (Strip)' },
+  { key: 'show_intro_blurb', label: 'Hinweistext (Data-Layer)' },
+  { key: 'show_kpis', label: 'KPI-Kacheln' },
+]
+
+/**
+ * @param {{ config: Record<string, unknown>, onChange: (next: Record<string, unknown>) => void }} props
+ */
+export default function NutritionHistoryVizConfigEditor({ config, onChange }) {
+  const merged = normalizeNutritionHistoryVizConfig(config)
+
+  const patch = (partial) => {
+    const next = { ...merged, ...partial }
+    const def = NUTRITION_HISTORY_VIZ_WIDGET_DEFAULTS
+    const stored = {}
+    for (const k of Object.keys(def)) {
+      if (next[k] !== def[k]) stored[k] = next[k]
+    }
+    onChange(stored)
+  }
+
+  const setBool = (key, checked) => {
+    patch({ [key]: checked })
+  }
+
+  return (
+    <div style={{ marginTop: 10, marginLeft: 28 }}>
+      <div style={{ fontSize: 12, color: 'var(--text2)', marginBottom: 8, lineHeight: 1.5 }}>
+        <strong>Ernährung (Verlauf-Bundle):</strong> welche Blöcke auf der Übersicht erscheinen. Unbelegte Felder = schlanker
+        Standard (KPI kompakt, kcal vs. Gewicht, Makro-Balken + Donut/Woche).
+      </div>
+      <div style={{ fontSize: 12, color: 'var(--text2)', marginBottom: 6 }}>KPI-Umfang</div>
+      <label style={{ display: 'flex', alignItems: 'center', gap: 8, fontSize: 13, marginBottom: 10, cursor: 'pointer' }}>
+        <input
+          type="radio"
+          name="nutrition_hist_kpi_detail"
+          checked={merged.kpi_detail === 'compact'}
+          onChange={() => patch({ kpi_detail: 'compact' })}
+        />
+        <span>Kompakt (erste 4 Kacheln)</span>
+      </label>
+      <label style={{ display: 'flex', alignItems: 'center', gap: 8, fontSize: 13, marginBottom: 12, cursor: 'pointer' }}>
+        <input
+          type="radio"
+          name="nutrition_hist_kpi_detail"
+          checked={merged.kpi_detail === 'full'}
+          onChange={() => patch({ kpi_detail: 'full' })}
+        />
+        <span>Voll (wie Verlauf — alle Kacheln)</span>
+      </label>
+      <div style={{ fontSize: 12, color: 'var(--text2)', marginBottom: 6 }}>Bereiche</div>
+      <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
+        {OTHER_TOGGLES.map(({ key, label }) => (
+          <label key={key} style={{ display: 'flex', alignItems: 'center', gap: 8, fontSize: 13, cursor: 'pointer' }}>
+            <input type="checkbox" checked={merged[key]} onChange={(e) => setBool(key, e.target.checked)} />
+            <span>{label}</span>
+          </label>
+        ))}
+      </div>
+      <div style={{ fontSize: 12, color: 'var(--text2)', margin: '12px 0 6px' }}>Charts</div>
+      <div style={{ display: 'flex', flexDirection: 'column', gap: 6 }}>
+        {CHART_TOGGLES.map(({ key, label }) => (
+          <label key={key} style={{ display: 'flex', alignItems: 'center', gap: 8, fontSize: 13, cursor: 'pointer' }}>
+            <input type="checkbox" checked={merged[key]} onChange={(e) => setBool(key, e.target.checked)} />
+            <span>{label}</span>
+          </label>
+        ))}
+      </div>
+      <button
+        type="button"
+        className="btn btn-secondary"
+        style={{ marginTop: 10, fontSize: 12, padding: '6px 12px' }}
+        onClick={() => onChange({})}
+      >
+        Auf schlanken Standard zurück
+      </button>
+    </div>
+  )
+}

frontend/src/widgetSystem/nutritionHistoryVizConfig.js

@@ -0,0 +1,79 @@
+/**
+ * Sichtbarkeit für nutrition_history_viz (sync mit backend dashboard_widget_config).
+ * `visibility === undefined` → Verlauf-Tab: alles an.
+ */
+
+export const NUTRITION_HISTORY_VIZ_HISTORY_FULL = {
+  chart_days: 30,
+  show_goals_strip: true,
+  show_intro_blurb: true,
+  show_kpis: true,
+  kpi_detail: 'full',
+  show_kcal_vs_weight: true,
+  show_calorie_balance_chart: true,
+  show_protein_lean_chart: true,
+  show_heuristics: true,
+  show_macro_daily_bars: true,
+  show_macro_distribution_pair: true,
+  show_energy_protein_charts: true,
+}
+
+export const NUTRITION_HISTORY_VIZ_WIDGET_DEFAULTS = {
+  chart_days: 30,
+  show_goals_strip: false,
+  show_intro_blurb: false,
+  show_kpis: true,
+  kpi_detail: 'compact',
+  show_kcal_vs_weight: true,
+  show_calorie_balance_chart: false,
+  show_protein_lean_chart: false,
+  show_heuristics: false,
+  show_macro_daily_bars: true,
+  show_macro_distribution_pair: true,
+  show_energy_protein_charts: false,
+}
+
+const BOOL_KEYS = [
+  'show_goals_strip',
+  'show_intro_blurb',
+  'show_kpis',
+  'show_kcal_vs_weight',
+  'show_calorie_balance_chart',
+  'show_protein_lean_chart',
+  'show_heuristics',
+  'show_macro_daily_bars',
+  'show_macro_distribution_pair',
+  'show_energy_protein_charts',
+]
+
+/**
+ * @param {Record<string, unknown>|null|undefined} raw
+ */
+export function normalizeNutritionHistoryVizConfig(raw) {
+  const base = { ...NUTRITION_HISTORY_VIZ_WIDGET_DEFAULTS }
+  if (!raw || typeof raw !== 'object') return base
+  for (const k of BOOL_KEYS) {
+    if (Object.prototype.hasOwnProperty.call(raw, k)) {
+      base[k] = raw[k] === true
+    }
+  }
+  if (raw.kpi_detail === 'full' || raw.kpi_detail === 'compact') {
+    base.kpi_detail = raw.kpi_detail
+  }
+  if (raw.chart_days != null) {
+    const n = Number(raw.chart_days)
+    if (Number.isFinite(n)) {
+      base.chart_days = Math.min(90, Math.max(7, Math.round(n)))
+    }
+  }
+  return base
+}
+
+/**
+ * @param {Array<object>} kpiTiles
+ * @param {'compact'|'full'} detail
+ */
+export function filterNutritionHistoryKpiTiles(kpiTiles, detail) {
+  if (detail === 'full' || !Array.isArray(kpiTiles)) return kpiTiles
+  return kpiTiles.slice(0, 4)
+}

frontend/src/widgetSystem/registerPilotLabWidgets.js

@@ -15,7 +15,9 @@ import TrendKcalWeightWidget from '../components/dashboard-widgets/TrendKcalWeig
 import NutritionActivitySummaryWidget from '../components/dashboard-widgets/NutritionActivitySummaryWidget'
 import NutritionDetailChartsWidget from '../components/dashboard-widgets/NutritionDetailChartsWidget'
 import BodyHistoryVizWidget from '../components/dashboard-widgets/BodyHistoryVizWidget'
+import NutritionHistoryVizWidget from '../components/dashboard-widgets/NutritionHistoryVizWidget'
 import { normalizeBodyHistoryVizConfig } from './bodyHistoryVizConfig'
+import { normalizeNutritionHistoryVizConfig } from './nutritionHistoryVizConfig'
 import RecoveryChartsPanelWidget from '../components/dashboard-widgets/RecoveryChartsPanelWidget'
 import ProgressPhotosWidget from '../components/dashboard-widgets/ProgressPhotosWidget'
 import RecoverySleepRestWidget from '../components/dashboard-widgets/RecoverySleepRestWidget'
@@ -122,6 +124,14 @@ export function ensurePilotLabWidgetsRegistered() {
       chartDays: ctx.layoutEntry?.config?.chart_days,
     }),
   })
+  registerDashboardWidget({
+    id: 'nutrition_history_viz',
+    Component: NutritionHistoryVizWidget,
+    mapProps: (ctx) => ({
+      refreshTick: ctx.refreshTick,
+      nutritionHistoryVizConfig: normalizeNutritionHistoryVizConfig(ctx.layoutEntry?.config),
+    }),
+  })
   registerDashboardWidget({
     id: 'recovery_charts_panel',
     Component: RecoveryChartsPanelWidget,