health: smart-scale columns, deduped body measurement imports, quick-add form

src/lib/health/tables.ts

@@ -28,6 +28,32 @@ export const appointmentTypes = [
 	'other'
 ] as const;
 
+/** Optional smart-scale (BIA) readings on body_measurements; ranges mirror the DB check. */
+export const scaleFields = [
+	{
+		key: 'muscle_mass_kg',
+		label: 'Muscle mass (kg)',
+		type: 'number',
+		min: 5,
+		max: 250,
+		step: 0.01
+	},
+	{
+		key: 'skeletal_muscle_kg',
+		label: 'Skeletal muscle (kg)',
+		type: 'number',
+		min: 5,
+		max: 200,
+		step: 0.01
+	},
+	{ key: 'bone_mass_kg', label: 'Bone mass (kg)', type: 'number', min: 0.5, max: 20, step: 0.01 },
+	{ key: 'visceral_fat', label: 'Visceral fat', type: 'number', min: 1, max: 60, step: 0.1 },
+	{ key: 'body_water_pct', label: 'Body water (%)', type: 'number', min: 20, max: 85, step: 0.1 },
+	{ key: 'protein_pct', label: 'Protein (%)', type: 'number', min: 5, max: 40, step: 0.1 },
+	{ key: 'bmr_kcal', label: 'BMR (kcal)', type: 'integer', min: 500, max: 6000 },
+	{ key: 'bmi', label: 'BMI', type: 'number', min: 10, max: 80, step: 0.1 }
+] as const satisfies readonly Field[];
+
 const notes: Field = { key: 'notes', label: 'Notes', type: 'textarea', maxLength: 4000 };
 const date: Field = { key: 'date', label: 'Date', type: 'date', required: true };
 
@@ -54,7 +80,8 @@ export const healthTables = {
 	body_measurements: {
 		label: 'Body measurements',
 		fields: [
-			date,
+			// Optional here: derived from measured_at when only that is given.
+			{ ...date, required: false },
 			{ key: 'weight_kg', label: 'Weight (kg)', type: 'number', min: 20, max: 400, step: 0.01 },
 			{
 				key: 'waist_cm',
@@ -65,6 +92,9 @@ export const healthTables = {
 				step: 0.1
 			},
 			{ key: 'body_fat_pct', label: 'Body fat (%)', type: 'number', min: 1, max: 75, step: 0.1 },
+			...scaleFields,
+			{ key: 'measured_at', label: 'Measured at', type: 'datetime' },
+			{ key: 'source', label: 'Source', type: 'text', maxLength: 100, placeholder: 'Renpho' },
 			notes
 		]
 	},

src/lib/server/db/schema/health.ts

@@ -1,4 +1,14 @@
-import { check, date, index, integer, numeric, text, timestamp, uuid } from 'drizzle-orm/pg-core';
+import {
+	check,
+	date,
+	index,
+	integer,
+	numeric,
+	text,
+	timestamp,
+	uniqueIndex,
+	uuid
+} from 'drizzle-orm/pg-core';
 import { sql } from 'drizzle-orm';
 import { healthSchema } from './schemas';
 import { timestamps, timestamptz } from './helpers';
@@ -42,11 +52,25 @@ export const healthBodyMeasurements = healthSchema.table(
 		weightKg: numeric('weight_kg', { precision: 5, scale: 2, mode: 'number' }),
 		waistCm: numeric('waist_cm', { precision: 5, scale: 1, mode: 'number' }), // at the navel
 		bodyFatPct: numeric('body_fat_pct', { precision: 4, scale: 1, mode: 'number' }),
+		// Optional smart-scale (BIA) readings, e.g. Renpho.
+		muscleMassKg: numeric('muscle_mass_kg', { precision: 5, scale: 2, mode: 'number' }),
+		skeletalMuscleKg: numeric('skeletal_muscle_kg', { precision: 5, scale: 2, mode: 'number' }),
+		boneMassKg: numeric('bone_mass_kg', { precision: 4, scale: 2, mode: 'number' }),
+		visceralFat: numeric('visceral_fat', { precision: 4, scale: 1, mode: 'number' }), // scale's index
+		bodyWaterPct: numeric('body_water_pct', { precision: 4, scale: 1, mode: 'number' }),
+		proteinPct: numeric('protein_pct', { precision: 4, scale: 1, mode: 'number' }),
+		bmrKcal: integer('bmr_kcal'),
+		bmi: numeric('bmi', { precision: 4, scale: 1, mode: 'number' }),
+		measuredAt: timestamptz('measured_at'), // exact moment of the reading, when known
+		source: text('source'), // e.g. "Renpho", "manual"
 		notes: text('notes'),
 		...timestamps
 	},
 	(t) => [
 		index('body_measurements_date_idx').on(t.date),
+		// Dedupe keys for repeat imports (see writeRows in #lib/server/health-import).
+		uniqueIndex('body_measurements_date_weight_key').on(t.date, t.weightKg),
+		uniqueIndex('body_measurements_measured_at_key').on(t.measuredAt),
 		check(
 			'body_measurements_any_check',
 			sql`${t.weightKg} IS NOT NULL OR ${t.waistCm} IS NOT NULL OR ${t.bodyFatPct} IS NOT NULL`
@@ -63,6 +87,17 @@ export const healthBodyMeasurements = healthSchema.table(
 			'body_measurements_fat_check',
 			sql`${t.bodyFatPct} IS NULL OR ${t.bodyFatPct} BETWEEN 1 AND 75`
 		),
+		check(
+			'body_measurements_scale_check',
+			sql`(${t.muscleMassKg} IS NULL OR ${t.muscleMassKg} BETWEEN 5 AND 250)
+			AND (${t.skeletalMuscleKg} IS NULL OR ${t.skeletalMuscleKg} BETWEEN 5 AND 200)
+			AND (${t.boneMassKg} IS NULL OR ${t.boneMassKg} BETWEEN 0.5 AND 20)
+			AND (${t.visceralFat} IS NULL OR ${t.visceralFat} BETWEEN 1 AND 60)
+			AND (${t.bodyWaterPct} IS NULL OR ${t.bodyWaterPct} BETWEEN 20 AND 85)
+			AND (${t.proteinPct} IS NULL OR ${t.proteinPct} BETWEEN 5 AND 40)
+			AND (${t.bmrKcal} IS NULL OR ${t.bmrKcal} BETWEEN 500 AND 6000)
+			AND (${t.bmi} IS NULL OR ${t.bmi} BETWEEN 10 AND 80)`
+		),
 		check('body_measurements_date_check', sane('date'))
 	]
 );

src/lib/server/health-import.test.ts

@@ -1,5 +1,12 @@
 import { describe, expect, it } from 'vitest';
-import { amsterdamTime, cleanRow, parseCsv, toPayload, validatePayload } from './health-import';
+import {
+	amsterdamTime,
+	cleanRow,
+	parseCsv,
+	scaleMetricsFromNotes,
+	toPayload,
+	validatePayload
+} from './health-import';
 
 describe('health import', () => {
 	it('parses CSV with quotes and semicolons', () => {
@@ -13,7 +20,7 @@ describe('health import', () => {
 			weight_kg: '80,5',
 			waist_cm: ''
 		});
-		expect(r).toEqual({
+		expect(r).toMatchObject({
 			ok: true,
 			row: {
 				id: undefined,
@@ -49,4 +56,48 @@ describe('health import', () => {
 		expect(() => toPayload([{}])).toThrow();
 		expect(() => toPayload({ nope: [] })).toThrow();
 	});
+	it('fills smart-scale metrics from notes and derives the date from measured_at', () => {
+		const notes =
+			'Renpho BIA scale, 16:08. Muscle mass 68.38 kg, skeletal muscle 46.34 kg, visceral fat 10, body water 53.3%, BMR 1928 kcal, BMI 27.0';
+		expect(scaleMetricsFromNotes(notes)).toEqual({
+			muscle_mass_kg: '68.38',
+			skeletal_muscle_kg: '46.34',
+			visceral_fat: '10',
+			body_water_pct: '53.3',
+			bmr_kcal: '1928',
+			bmi: '27.0'
+		});
+		const r = cleanRow('body_measurements', {
+			measured_at: '2026-10-24T16:08',
+			weight_kg: 97.55,
+			muscle_mass_kg: 70,
+			notes
+		});
+		expect(r).toMatchObject({
+			ok: true,
+			row: {
+				values: {
+					date: '2026-10-24',
+					muscleMassKg: 70,
+					skeletalMuscleKg: 46.34,
+					visceralFat: 10,
+					bodyWaterPct: 53.3,
+					bmrKcal: 1928,
+					bmi: 27
+				}
+			}
+		});
+		expect(r.ok && (r.row.values.measuredAt as Date).toISOString()).toBe(
+			'2026-10-24T14:08:00.000Z'
+		);
+		const t = cleanRow('body_measurements', {
+			date: '2026-10-24',
+			measured_at: '07:30',
+			weight_kg: 97
+		});
+		expect(t.ok && (t.row.values.measuredAt as Date).toISOString()).toBe(
+			'2026-10-24T05:30:00.000Z'
+		);
+		expect(cleanRow('body_measurements', { weight_kg: 97 }).ok).toBe(false);
+	});
 });

src/lib/server/health-import.ts

@@ -1,7 +1,7 @@
 // Validation + import for the private health tables. Shared by the owner-only import
 // endpoint (/trackers/health/import), the page's add/edit forms and
 // scripts/health-import.ts, so it must not import anything from SvelteKit.
-import { sql } from 'drizzle-orm';
+import { and, eq, sql } from 'drizzle-orm';
 import type { PgAsyncDatabase } from 'drizzle-orm/pg-core';
 import {
 	healthAppointments,
@@ -12,7 +12,13 @@ import {
 	healthVaccinations,
 	healthWorkouts
 } from './db/schema/health';
-import { healthTables, isHealthTable, type Field, type HealthTable } from '../health/tables';
+import {
+	healthTables,
+	isHealthTable,
+	scaleFields,
+	type Field,
+	type HealthTable
+} from '../health/tables';
 
 export const drizzleTables = {
 	vaccinations: healthVaccinations,
@@ -140,6 +146,29 @@ function cleanField(field: Field, value: unknown): { value: unknown } | { error:
 	}
 }
 
+// Smart-scale readings written in free text ("Muscle mass 68.38 kg, visceral fat 10, BMI 27.0").
+const NUM = String.raw`\s*[:=]?\s*(\d+(?:[.,]\d+)?)`;
+const notePatterns: Record<(typeof scaleFields)[number]['key'], RegExp> = {
+	skeletal_muscle_kg: new RegExp(String.raw`skeletal muscle(?: mass)?${NUM}\s*kg`, 'i'),
+	muscle_mass_kg: new RegExp(String.raw`(?<!skeletal )muscle mass${NUM}\s*kg`, 'i'),
+	bone_mass_kg: new RegExp(String.raw`bone mass${NUM}\s*kg`, 'i'),
+	visceral_fat: new RegExp(String.raw`visceral fat(?: level| index)?${NUM}(?!\s*%)`, 'i'),
+	body_water_pct: new RegExp(String.raw`(?:body )?water${NUM}\s*%`, 'i'),
+	protein_pct: new RegExp(String.raw`protein${NUM}\s*%`, 'i'),
+	bmr_kcal: new RegExp(String.raw`\bBMR${NUM}`, 'i'),
+	bmi: new RegExp(String.raw`\bBMI${NUM}`, 'i')
+};
+
+/** Scale metrics found in a notes string (raw strings, validated by the caller). */
+export function scaleMetricsFromNotes(notes: string): Record<string, string> {
+	const found: Record<string, string> = {};
+	for (const [key, pattern] of Object.entries(notePatterns)) {
+		const m = pattern.exec(notes);
+		if (m) found[key] = m[1].replace(',', '.');
+	}
+	return found;
+}
+
 /** Validate one row (snake_case keys) for a table. Unknown keys are rejected. */
 export function cleanRow(table: HealthTable, input: Row): RowResult {
 	if (!input || typeof input !== 'object' || Array.isArray(input))
@@ -169,6 +198,24 @@ export function cleanRow(table: HealthTable, input: Row): RowResult {
 		if (!/^[A-Z]{2}$/.test(country))
 			return { ok: false, error: 'country must be a 2-letter ISO code, e.g. NL' };
 	}
+	if (table === 'body_measurements') {
+		if (v.measured_at === 'time') {
+			if (!v.date) return { ok: false, error: 'measured_at as HH:MM needs a date' };
+			v.measured_at = amsterdamTime(String(v.date), String(input.measured_at).trim());
+		}
+		if (v.date === null && v.measured_at instanceof Date)
+			v.date = new Intl.DateTimeFormat('en-CA', { timeZone: TIME_ZONE }).format(v.measured_at);
+		if (v.date === null) return { ok: false, error: 'date is required (or give measured_at)' };
+		// Fill smart-scale columns that were left empty from readings written in the notes.
+		if (typeof v.notes === 'string') {
+			for (const [key, raw] of Object.entries(scaleMetricsFromNotes(v.notes))) {
+				if (v[key] !== null) continue;
+				const field = scaleFields.find((f) => f.key === key)!;
+				const parsed = cleanField(field, raw);
+				if ('value' in parsed) v[key] = parsed.value;
+			}
+		}
+	}
 	if (
 		table === 'body_measurements' &&
 		v.weight_kg === null &&
@@ -312,10 +359,43 @@ export function validatePayload(payload: Payload) {
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 type Db = PgAsyncDatabase<any, any>;
-export type ImportCounts = Partial<Record<HealthTable, { inserted: number; updated: number }>>;
+export type ImportCounts = Partial<
+	Record<HealthTable, { inserted: number; updated: number; unchanged: number }>
+>;
+
+const sameValue = (a: unknown, b: unknown) =>
+	a instanceof Date && b instanceof Date ? a.getTime() === b.getTime() : a === b;
+
+/**
+ * Body measurements without an id dedupe on measured_at (when given) or on (date, weight_kg):
+ * a match is merged (only non-empty incoming values overwrite) and left alone when nothing
+ * differs, so re-importing the same file is a no-op.
+ */
+async function findMeasurement(tx: Db, values: Record<string, unknown>) {
+	const t = healthBodyMeasurements;
+	if (values.measuredAt instanceof Date) {
+		const [row] = await tx
+			.select()
+			.from(t)
+			.where(eq(t.measuredAt, values.measuredAt))
+			.limit(1)
+			.for('update');
+		if (row) return row;
+	}
+	if (typeof values.weightKg === 'number') {
+		const [row] = await tx
+			.select()
+			.from(t)
+			.where(and(eq(t.date, String(values.date)), eq(t.weightKg, values.weightKg)))
+			.limit(1)
+			.for('update');
+		if (row) return row;
+	}
+	return null;
+}
 
 /** Insert/update rows; all-or-nothing in one transaction. Rows with an id update that row;
- * nutrition_daily and sleep upsert on date. */
+ * nutrition_daily and sleep upsert on date; body_measurements dedupe (see findMeasurement). */
 export async function writeRows(
 	db: Db,
 	clean: Partial<Record<HealthTable, CleanRow[]>>
@@ -324,8 +404,27 @@ export async function writeRows(
 		const counts: ImportCounts = {};
 		for (const [table, rows] of Object.entries(clean) as [HealthTable, CleanRow[]][]) {
 			const target = drizzleTables[table];
-			const count = { inserted: 0, updated: 0 };
+			const count = { inserted: 0, updated: 0, unchanged: 0 };
 			for (const { id, values } of rows) {
+				if (table === 'body_measurements' && !id) {
+					const existing = await findMeasurement(tx, values);
+					if (existing) {
+						const changes = Object.fromEntries(
+							Object.entries(values).filter(
+								([k, v]) => v !== null && !sameValue(v, (existing as Record<string, unknown>)[k])
+							)
+						);
+						if (!Object.keys(changes).length) count.unchanged++;
+						else {
+							await tx
+								.update(healthBodyMeasurements)
+								.set({ ...changes, updatedAt: new Date() } as never)
+								.where(eq(healthBodyMeasurements.id, existing.id));
+							count.updated++;
+						}
+						continue;
+					}
+				}
 				const data = { ...values, ...(id ? { id } : {}) };
 				const set = { ...values, updatedAt: new Date() };
 				const conflictTarget = id

src/routes/trackers/health/+page.server.ts

@@ -90,12 +90,14 @@ export const actions: Actions = {
 		for (const field of healthTables[table].fields) row[field.key] = form.get(field.key) ?? '';
 		const result = cleanRow(table, row);
 		if (!result.ok) return fail(400, { message: result.error, table });
+		let unchanged: boolean;
 		try {
-			await writeRows(db, { [table]: [result.row] });
+			const counts = await writeRows(db, { [table]: [result.row] });
+			unchanged = counts[table]?.unchanged === 1;
 		} catch (e) {
 			return fail(400, { message: e instanceof Error ? e.message : 'Could not save', table });
 		}
-		return { saved: table };
+		return { saved: table, unchanged };
 	},
 	delete: async (event) => {
 		requireOwner(event);

src/routes/trackers/health/+page.svelte

@@ -4,6 +4,7 @@
 	import {
 		healthTables,
 		healthTableNames,
+		scaleFields,
 		type Field,
 		type HealthTable
 	} from '#lib/health/tables.js';
@@ -96,6 +97,38 @@
 		dialogOpen = true;
 	}
 
+	// Quick-add for a scale reading: same ?/save action and dedupe as imports.
+	const nowLocal = () => localTime.format(new Date()).replace(' ', 'T');
+	let quickNow = $state(nowLocal());
+	let quickMessage = $state<{ text: string; error: boolean } | null>(null);
+	const quickSubmit: SubmitFunction =
+		() =>
+		async ({ result, update }) => {
+			if (result.type === 'success') {
+				quickNow = nowLocal();
+				await update();
+				quickMessage = {
+					text: result.data?.unchanged ? 'Already logged, nothing changed.' : 'Saved.',
+					error: false
+				};
+			} else {
+				await update({ reset: false });
+				quickMessage = {
+					text: String((result.type === 'failure' && result.data?.message) || 'Could not save'),
+					error: true
+				};
+			}
+		};
+	const scaleSummary = (m: (typeof data.measurements)[number]) =>
+		[
+			m.muscleMassKg !== null ? `muscle ${num(m.muscleMassKg, 2)} kg` : '',
+			m.visceralFat !== null ? `visceral ${num(m.visceralFat)}` : '',
+			m.bodyWaterPct !== null ? `water ${num(m.bodyWaterPct)}%` : '',
+			m.bmi !== null ? `BMI ${num(m.bmi)}` : ''
+		]
+			.filter(Boolean)
+			.join(' · ');
+
 	const submit: SubmitFunction =
 		() =>
 		async ({ result, update }) => {
@@ -156,6 +189,80 @@
 	<div class="grid gap-4 lg:grid-cols-3">
 		<section class="panel lg:col-span-2">
 			{@render sectionHeader('Body', 'body_measurements')}
+			<form method="POST" action="?/save" use:enhance={quickSubmit} class="quick mb-4 grid gap-2">
+				<input type="hidden" name="table" value="body_measurements" />
+				<div class="flex flex-wrap items-end gap-2">
+					<label class="grid gap-1 text-xs text-[var(--site-muted)]">
+						When
+						<Input
+							type="datetime-local"
+							name="measured_at"
+							value={quickNow}
+							required
+							class="w-52"
+						/>
+					</label>
+					<label class="grid gap-1 text-xs text-[var(--site-muted)]">
+						Weight (kg)
+						<Input
+							type="number"
+							name="weight_kg"
+							min={20}
+							max={400}
+							step={0.01}
+							inputmode="decimal"
+							class="w-24"
+						/>
+					</label>
+					<label class="grid gap-1 text-xs text-[var(--site-muted)]">
+						Body fat (%)
+						<Input
+							type="number"
+							name="body_fat_pct"
+							min={1}
+							max={75}
+							step={0.1}
+							inputmode="decimal"
+							class="w-24"
+						/>
+					</label>
+					<label class="grid gap-1 text-xs text-[var(--site-muted)]">
+						Source
+						<Input name="source" value="Renpho" maxlength={100} class="w-28" />
+					</label>
+					<Button type="submit">Add</Button>
+				</div>
+				<details class="text-sm">
+					<summary class="cursor-pointer text-[var(--site-muted)]">More readings & notes</summary>
+					<div class="mt-2 grid grid-cols-2 gap-2 sm:grid-cols-4">
+						{#each scaleFields as field (field.key)}
+							<label class="grid gap-1 text-xs text-[var(--site-muted)]">
+								{field.label}
+								<Input
+									type="number"
+									name={field.key}
+									min={field.min}
+									max={field.max}
+									step={field.type === 'integer' ? 1 : field.step}
+									inputmode="decimal"
+								/>
+							</label>
+						{/each}
+					</div>
+					<label class="mt-2 grid gap-1 text-xs text-[var(--site-muted)]">
+						Notes
+						<Textarea name="notes" rows={2} maxlength={4000} />
+					</label>
+				</details>
+				{#if quickMessage}
+					<p
+						class={['text-sm', quickMessage.error ? 'text-red-500' : 'text-[var(--site-muted)]']}
+						role={quickMessage.error ? 'alert' : 'status'}
+					>
+						{quickMessage.text}
+					</p>
+				{/if}
+			</form>
 			{#if latest}
 				<div class="mb-3 flex flex-wrap gap-6">
 					<p>
@@ -169,6 +276,9 @@
 					{#if latest.bodyFatPct !== null}<p>
 							<span class="stat">{num(latest.bodyFatPct)}</span>% fat
 						</p>{/if}
+					{#if latest.muscleMassKg !== null}<p>
+							<span class="stat">{num(latest.muscleMassKg, 1)}</span> kg muscle
+						</p>{/if}
 				</div>
 				{#if data.measurements.length > 1}
 					<BodyChart points={data.measurements} />
@@ -186,6 +296,8 @@
 									>{dayLabel(m.date)} · {num(m.weightKg, 2)} kg · {num(m.waistCm)} cm{m.bodyFatPct !==
 									null
 										? ` · ${num(m.bodyFatPct)}%`
+										: ''}{scaleSummary(m) ? ` · ${scaleSummary(m)}` : ''}{m.source
+										? ` · ${m.source}`
 										: ''}{m.notes ? ` · ${m.notes}` : ''}</span
 								>
 								{@render rowActions('body_measurements', m)}