diff --git a/messages/de.json b/messages/de.json
index 0c7173452..251f58dd9 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -5373,6 +5373,7 @@
"rowsImported": "Bisher {count} Einträge importiert",
"doneSummary": "Fertig — {imported} von {read} Datensätzen importiert, {skipped} klinische Datensätze übersprungen.",
"doneNothing": "Aus diesem Archiv wurde nichts importiert: 0 von {read} Datensätzen sind angekommen.",
+ "writtenByHealthLog": "{count} Einträge, die HealthLog selbst in Apple Health geschrieben hat, wurden ausgelassen, weil sie schon in deinen Daten sind.",
"ecgResult": "EKGs: {discovered} gefunden, {imported} importiert, {updated} aktualisiert, {skipped} übersprungen, {failed} fehlgeschlagen. Fehler bei EKGs verwerfen keine unterstützten Datensätze, die aus export.xml importiert wurden.",
"estimateWarning": "Kumulative Summen für {count} Tag(e) wurden anhand der größten Exportquelle geschätzt. Native Apple-Health-Statistiken bleiben maßgeblich.",
"phase": {
diff --git a/messages/en.json b/messages/en.json
index 3cd9aa9a4..3196dad45 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -5373,6 +5373,7 @@
"rowsImported": "{count} rows imported so far",
"doneSummary": "Done — {imported} of {read} records imported, {skipped} clinical records skipped.",
"doneNothing": "Nothing was imported from that archive: 0 of {read} records landed.",
+ "writtenByHealthLog": "{count} records that HealthLog wrote into Apple Health itself were left out, because they are already in your data.",
"ecgResult": "ECGs: {discovered} discovered, {imported} imported, {updated} updated, {skipped} skipped, {failed} failed. ECG failures do not discard supported records imported from export.xml.",
"estimateWarning": "Cumulative totals for {count} day(s) were estimated from the largest export source. Native Apple Health statistics remain authoritative.",
"phase": {
diff --git a/messages/es.json b/messages/es.json
index d40131208..2d6d6414c 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -5373,6 +5373,7 @@
"rowsImported": "{count} filas importadas hasta ahora",
"doneSummary": "Listo: {imported} de {read} registros importados, {skipped} registros clínicos omitidos.",
"doneNothing": "No se importó nada de ese archivo: llegaron 0 de {read} registros.",
+ "writtenByHealthLog": "Se omitieron {count} registros que HealthLog escribió en Apple Health, porque ya están en tus datos.",
"ecgResult": "ECG: {discovered} detectados, {imported} importados, {updated} actualizados, {skipped} omitidos y {failed} fallidos. Los errores de ECG no descartan los registros compatibles importados desde export.xml.",
"estimateWarning": "Los totales acumulados de {count} día(s) se estimaron a partir de la mayor fuente de la exportación. Las estadísticas nativas de Apple Health siguen siendo la referencia.",
"phase": {
diff --git a/messages/fr.json b/messages/fr.json
index a5d0afa08..8e1bb35f1 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -5373,6 +5373,7 @@
"rowsImported": "{count} lignes importées jusqu'ici",
"doneSummary": "Terminé — {imported} enregistrements sur {read} importés, {skipped} enregistrements cliniques ignorés.",
"doneNothing": "Rien n'a été importé de cette archive : 0 enregistrement sur {read} est arrivé.",
+ "writtenByHealthLog": "{count} enregistrements que HealthLog a écrits lui-même dans Santé ont été ignorés, car ils figurent déjà dans vos données.",
"ecgResult": "ECG : {discovered} détectés, {imported} importés, {updated} mis à jour, {skipped} ignorés et {failed} échoués. Les erreurs d’ECG n’annulent pas les enregistrements compatibles importés depuis export.xml.",
"estimateWarning": "Les totaux cumulés de {count} jour(s) ont été estimés à partir de la source d’export la plus élevée. Les statistiques Apple Santé natives restent la référence.",
"phase": {
diff --git a/messages/it.json b/messages/it.json
index e0e489863..bc6b6ab1a 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -5373,6 +5373,7 @@
"rowsImported": "{count} righe importate finora",
"doneSummary": "Fatto: {imported} di {read} record importati, {skipped} record clinici saltati.",
"doneNothing": "Da questo archivio non è stato importato nulla: sono arrivati 0 record su {read}.",
+ "writtenByHealthLog": "{count} registrazioni che HealthLog ha scritto in Salute sono state escluse, perché sono già nei tuoi dati.",
"ecgResult": "ECG: {discovered} rilevati, {imported} importati, {updated} aggiornati, {skipped} ignorati e {failed} non riusciti. Gli errori ECG non eliminano i record supportati importati da export.xml.",
"estimateWarning": "I totali cumulativi di {count} giorno/i sono stati stimati dalla fonte di esportazione più alta. Le statistiche native di Apple Salute restano autorevoli.",
"phase": {
diff --git a/messages/ko.json b/messages/ko.json
index e51af7017..b416ab808 100644
--- a/messages/ko.json
+++ b/messages/ko.json
@@ -5373,6 +5373,7 @@
"rowsImported": "지금까지 {count}개 행을 불러왔어요",
"doneSummary": "완료 — {read}개 중 {imported}개 기록을 불러왔고, 진료 기록 {skipped}개는 건너뛰었어요.",
"doneNothing": "그 보관 파일에서 불러온 게 없어요: {read}개 중 0개만 들어왔어요.",
+ "writtenByHealthLog": "HealthLog가 직접 건강 앱에 기록한 {count}개 항목은 이미 데이터에 있으므로 제외했습니다.",
"ecgResult": "심전도: 발견 {discovered}개, 불러옴 {imported}개, 갱신 {updated}개, 건너뜀 {skipped}개, 실패 {failed}개. 심전도가 실패해도 export.xml에서 불러온 지원 기록은 그대로 남아요.",
"estimateWarning": "{count}일치 누적 합계는 가장 큰 내보내기 소스에서 추정했어요. Apple Health 자체 통계가 여전히 기준이에요.",
"phase": {
diff --git a/messages/pl.json b/messages/pl.json
index caa7f9245..b907285fe 100644
--- a/messages/pl.json
+++ b/messages/pl.json
@@ -5373,6 +5373,7 @@
"rowsImported": "Zaimportowano dotąd {count} wierszy",
"doneSummary": "Gotowe — zaimportowano {imported} z {read} rekordów, pominięto {skipped} rekordów klinicznych.",
"doneNothing": "Z tego archiwum nic nie zaimportowano: dotarło 0 z {read} rekordów.",
+ "writtenByHealthLog": "Pominięto {count} wpisów, które HealthLog sam zapisał w Apple Health, ponieważ są już w Twoich danych.",
"ecgResult": "EKG: wykryto {discovered}, zaimportowano {imported}, zaktualizowano {updated}, pominięto {skipped}, nie powiodło się {failed}. Błędy EKG nie usuwają obsługiwanych rekordów zaimportowanych z pliku export.xml.",
"estimateWarning": "Łączne wartości dla {count} dni oszacowano na podstawie największego źródła w eksporcie. Natywne statystyki Apple Health pozostają nadrzędne.",
"phase": {
diff --git a/src/components/settings/import-panel/apple-health-import-card.tsx b/src/components/settings/import-panel/apple-health-import-card.tsx
index 344299c81..dbe40953c 100644
--- a/src/components/settings/import-panel/apple-health-import-card.tsx
+++ b/src/components/settings/import-panel/apple-health-import-card.tsx
@@ -31,6 +31,8 @@ interface JobStatus {
totals?: { recordsRead?: number; rowsUpserted?: number };
clinical?: { skipped?: number };
cumulativeEstimates?: { days?: number; rows?: number };
+ /** Records HealthLog wrote into Apple Health itself, left out here. */
+ writtenByHealthLog?: { byMarker?: number; matchedManual?: number };
/** HK types deferred by design — read but not (yet) imported. */
deferred?: Record;
/** Per-key drop counters — plain HK types are unsupported-by-design,
@@ -342,6 +344,9 @@ export function AppleHealthImportCard() {
const status = statusQuery.data ?? null;
const isRunning = status !== null && !TERMINAL_STATES.includes(status.status);
const isDone = status?.status === "done";
+ const ownRecordsSkipped =
+ (status?.result?.writtenByHealthLog?.byMarker ?? 0) +
+ (status?.result?.writtenByHealthLog?.matchedManual ?? 0);
const isFailed = status?.status === "failed";
const busy = uploading || isRunning;
const percent = status?.progress?.percent ?? null;
@@ -492,6 +497,19 @@ export function AppleHealthImportCard() {
})}
)}
+ {isDone && ownRecordsSkipped > 0 && (
+
+ {t(
+ "settings.sections.export.import.appleHealth.writtenByHealthLog",
+ {
+ count: ownRecordsSkipped,
+ },
+ )}
+
+ )}
{isDone && (status?.result?.cumulativeEstimates?.days ?? 0) > 0 && (
` the mark of a sample HealthLog wrote itself? */
+export function isHealthLogOriginEntry(
+ key: string | undefined,
+ value: string | undefined,
+): boolean {
+ return (
+ key === HEALTHLOG_ORIGIN_METADATA_KEY &&
+ value === HEALTHLOG_ORIGIN_METADATA_VALUE
+ );
+}
diff --git a/src/lib/measurements/import-apple-health-export.ts b/src/lib/measurements/import-apple-health-export.ts
index 37b5b0c35..8801e4d49 100644
--- a/src/lib/measurements/import-apple-health-export.ts
+++ b/src/lib/measurements/import-apple-health-export.ts
@@ -40,6 +40,11 @@ import {
dayKeyForUserTz,
canonicalDailyTimestamp,
} from "@/lib/measurements/drain-per-sample-cumulative";
+import { isHealthLogOriginEntry } from "@/lib/apple-health/own-origin";
+import {
+ isSameReadingAcrossSource,
+ MEASURED_AT_TOLERANCE_MS,
+} from "@/lib/measurements/cross-source-merge";
import { reconcileExternalMeasurement } from "@/lib/measurements/reconcile-external-measurement";
import {
insertNewMeasurementRows,
@@ -115,6 +120,13 @@ export interface ImportJobResult {
durationMs: number;
};
clinical: { skipped: number };
+ /**
+ * Records left out because HealthLog wrote them into Apple Health itself and
+ * already holds them under their own source: `byMarker` carry the app's
+ * origin marker, `matchedManual` match a manual entry (same type and value,
+ * within 2 s) from before the marker existed.
+ */
+ writtenByHealthLog: { byMarker: number; matchedManual: number };
/**
* v1.15.0 — reproductive HealthKit samples routed into CYCLE day-logs
* (NOT Measurement). Absent / zeroed when the account has no cycle
@@ -412,6 +424,11 @@ export async function streamParseExportXml(
MeasurementType,
Map
>();
+ // A record's contribution is committed at its close tag, once its child
+ // `` rows are read: one of them can mark the sample as written
+ // by HealthLog itself, which has to keep it out of the import.
+ let pendingRecord: { commit: () => void; ownOrigin: boolean } | null = null;
+ const writtenByHealthLog = { byMarker: 0, matchedManual: 0 };
// Spot-row batch awaiting flush.
const spotBatch: PreparedMeasurement[] = [];
// Workout-row batch awaiting flush.
@@ -468,9 +485,54 @@ export async function streamParseExportXml(
};
// ── Flush helpers ──────────────────────────────────────────
+ // A manual entry the app mirrored into Apple Health before it stamped its
+ // origin marker comes back in the export as a second copy of the reading.
+ // Leave it out when a MANUAL row of the same type and value sits within 2 s.
+ // Only MANUAL: Withings and import rows reach Apple Health through the app's
+ // mirror, which always sets the marker, so a value-and-time match against
+ // them would only add false positives. Same rule and tolerance as the sync
+ // path (`cross-source-merge.ts`).
+ const withoutManualMirrors = async (
+ rows: PreparedMeasurement[],
+ ): Promise => {
+ if (rows.length === 0) return rows;
+ const candidates = await prisma.measurement.findMany({
+ where: {
+ userId,
+ source: "MANUAL",
+ deletedAt: null,
+ OR: rows.map((row) => ({
+ type: row.type,
+ measuredAt: {
+ gte: new Date(row.measuredAt.getTime() - MEASURED_AT_TOLERANCE_MS),
+ lte: new Date(row.measuredAt.getTime() + MEASURED_AT_TOLERANCE_MS),
+ },
+ })),
+ },
+ select: { type: true, source: true, value: true, measuredAt: true },
+ });
+ if (candidates.length === 0) return rows;
+ return rows.filter((row) => {
+ const mirrored = candidates.some((candidate) =>
+ isSameReadingAcrossSource(
+ {
+ type: row.type,
+ source: "APPLE_HEALTH",
+ value: row.value,
+ measuredAt: row.measuredAt,
+ },
+ candidate,
+ ),
+ );
+ if (mirrored) writtenByHealthLog.matchedManual += 1;
+ return !mirrored;
+ });
+ };
+
const flushSpotBatch = async (): Promise => {
if (spotBatch.length === 0) return;
- const chunk = spotBatch.splice(0, spotBatch.length);
+ const incoming = spotBatch.splice(0, spotBatch.length);
+ const chunk = await withoutManualMirrors(incoming);
for (const row of chunk) widenSpan(row.measuredAt);
const insertedArrivals: Array<{
id: string;
@@ -907,46 +969,51 @@ export async function streamParseExportXml(
const stat = bumpStat(mapped.type);
stat.read += 1;
- if (CUMULATIVE_HK_TYPES.has(mapped.type)) {
- const dayKey = dayKeyForUserTz(mapped.takenAt, userTimezone);
- const sourceHash = hashCumulativeSourceIdentity(
- attrs.sourceName,
- attrs.device,
- );
- let byDay = cumulativeBucket.get(mapped.type);
- if (!byDay) {
- byDay = new Map();
- cumulativeBucket.set(mapped.type, byDay);
- }
- let bySource = byDay.get(dayKey);
- if (!bySource) {
- bySource = new Map();
- byDay.set(dayKey, bySource);
- }
- bySource.set(
- sourceHash,
- (bySource.get(sourceHash) ?? 0) + mapped.value,
- );
- } else {
- // Spot row: derive a stable externalId, queue for flush.
- const externalId = hashSampleKey(
- hkType,
- attrs.value ?? "",
- attrs.startDate,
- attrs.endDate,
- );
- spotBatch.push({
- userId,
- type: mapped.type,
- value: mapped.value,
- unit: mapped.unit,
- measuredAt: mapped.takenAt,
- externalId,
- externalSourceVersion: attrs.sourceVersion ?? null,
- sleepStage: mapped.sleepStage ?? null,
- deviceType: null,
- });
- }
+ pendingRecord = {
+ ownOrigin: false,
+ commit: () => {
+ if (CUMULATIVE_HK_TYPES.has(mapped.type)) {
+ const dayKey = dayKeyForUserTz(mapped.takenAt, userTimezone);
+ const sourceHash = hashCumulativeSourceIdentity(
+ attrs.sourceName,
+ attrs.device,
+ );
+ let byDay = cumulativeBucket.get(mapped.type);
+ if (!byDay) {
+ byDay = new Map();
+ cumulativeBucket.set(mapped.type, byDay);
+ }
+ let bySource = byDay.get(dayKey);
+ if (!bySource) {
+ bySource = new Map();
+ byDay.set(dayKey, bySource);
+ }
+ bySource.set(
+ sourceHash,
+ (bySource.get(sourceHash) ?? 0) + mapped.value,
+ );
+ } else {
+ // Spot row: derive a stable externalId, queue for flush.
+ const externalId = hashSampleKey(
+ hkType,
+ attrs.value ?? "",
+ attrs.startDate,
+ attrs.endDate,
+ );
+ spotBatch.push({
+ userId,
+ type: mapped.type,
+ value: mapped.value,
+ unit: mapped.unit,
+ measuredAt: mapped.takenAt,
+ externalId,
+ externalSourceVersion: attrs.sourceVersion ?? null,
+ sleepStage: mapped.sleepStage ?? null,
+ deviceType: null,
+ });
+ }
+ },
+ };
return;
}
@@ -1025,6 +1092,9 @@ export async function streamParseExportXml(
}
if (name === "MetadataEntry") {
+ if (pendingRecord && isHealthLogOriginEntry(attrs.key, attrs.value)) {
+ pendingRecord.ownOrigin = true;
+ }
// Attach the SexualActivity protection flag to the open cycle record.
// Apple writes `HKMetadataKeySexualActivityProtectionUsed` with a
// `"0"`/`"1"` (or `"true"`/`"false"`) value.
@@ -1070,6 +1140,12 @@ export async function streamParseExportXml(
};
parser.onclosetag = async (tagName) => {
+ if (tagName === "Record" && pendingRecord) {
+ const rec = pendingRecord;
+ pendingRecord = null;
+ if (rec.ownOrigin) writtenByHealthLog.byMarker += 1;
+ else rec.commit();
+ }
if (tagName === "Workout" && currentWorkout) {
workoutBatch.push(currentWorkout);
currentWorkout = null;
@@ -1212,6 +1288,7 @@ export async function streamParseExportXml(
perType,
workouts,
clinical,
+ writtenByHealthLog,
cycle,
deferred,
unknown,
diff --git a/tests/integration/apple-health-import-own-samples.test.ts b/tests/integration/apple-health-import-own-samples.test.ts
new file mode 100644
index 000000000..d97d0dda8
--- /dev/null
+++ b/tests/integration/apple-health-import-own-samples.test.ts
@@ -0,0 +1,186 @@
+/**
+ * The Apple Health export must not bring back what HealthLog wrote into Apple
+ * Health itself.
+ *
+ * The iOS app writes manual entries into Apple Health, and mirrors Withings and
+ * import rows into it, each stamped with `dev.healthlog.app.origin = healthlog`.
+ * The server already holds those readings under their own source, so the same
+ * sample arriving through an export is a second copy: the series shows it
+ * twice and the rollups count it twice.
+ *
+ * Asserted against a real Postgres:
+ * - a record carrying the marker is left out, and counted;
+ * - a record without it lands as before;
+ * - the marker is read from a child `` that follows the
+ * record's open tag, so the record is committed at its close tag;
+ * - a manual entry mirrored before the marker existed (a MANUAL row with the
+ * same type and value within 2 s) is left out and counted separately;
+ * - a MANUAL row with another value, or 3 s away, is not a match;
+ * - a Withings row of the same value and time is not a match either (those
+ * are mirrored with the marker, so a match would only add false positives).
+ */
+import { mkdtempSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+
+import { beforeEach, describe, expect, it } from "vitest";
+
+import { getPrismaClient, truncateAllTables } from "./setup";
+import { streamParseExportXml } from "@/lib/measurements/import-apple-health-export";
+
+const prisma = getPrismaClient();
+
+beforeEach(async () => {
+ await truncateAllTables(prisma);
+});
+
+function writeXml(records: string): string {
+ const dir = mkdtempSync(join(tmpdir(), "healthlog-import-own-"));
+ const xmlPath = join(dir, "export.xml");
+ writeFileSync(
+ xmlPath,
+ `
+]>
+
+${records}
+`,
+ );
+ return xmlPath;
+}
+
+const weight = (value: number, end: string, children = "") =>
+ ` ${children}`;
+const OWN = ``;
+const OTHER = ``;
+
+async function run(records: string) {
+ const user = await prisma.user.create({
+ data: { username: "own-samples", email: "own@example.test", role: "USER" },
+ });
+ const result = await streamParseExportXml({
+ xmlPath: writeXml(records),
+ userId: user.id,
+ userTimezone: "Europe/Berlin",
+ prisma,
+ });
+ const rows = await prisma.measurement.findMany({
+ where: { userId: user.id, type: "WEIGHT", source: "APPLE_HEALTH" },
+ orderBy: { measuredAt: "asc" },
+ });
+ return { user, result, rows };
+}
+
+describe("a record HealthLog wrote itself (the origin marker)", () => {
+ it("is left out and counted; an ordinary record still lands", async () => {
+ const { result, rows } = await run(
+ [
+ weight(80.1, "2026-05-14 08:00:00 +0200", `\n ${OWN}\n `),
+ weight(80.2, "2026-05-14 09:00:00 +0200", `\n ${OTHER}\n `),
+ weight(80.3, "2026-05-14 10:00:00 +0200"),
+ ].join("\n"),
+ );
+ expect(rows.map((r) => r.value)).toEqual([80.2, 80.3]);
+ expect(result.writtenByHealthLog).toEqual({
+ byMarker: 1,
+ matchedManual: 0,
+ });
+ });
+
+ it("finds the marker among other metadata entries", async () => {
+ const { result, rows } = await run(
+ weight(80.1, "2026-05-14 08:00:00 +0200", `\n ${OTHER}\n ${OWN}\n`),
+ );
+ expect(rows).toHaveLength(0);
+ expect(result.writtenByHealthLog.byMarker).toBe(1);
+ });
+
+ it("does not let one record's marker spill onto the next", async () => {
+ const { rows } = await run(
+ [
+ weight(80.1, "2026-05-14 08:00:00 +0200", `\n ${OWN}\n`),
+ weight(80.2, "2026-05-14 09:00:00 +0200"),
+ ].join("\n"),
+ );
+ expect(rows.map((r) => r.value)).toEqual([80.2]);
+ });
+
+ it("needs the exact value: another origin does not count", async () => {
+ const { rows } = await run(
+ weight(
+ 80.1,
+ "2026-05-14 08:00:00 +0200",
+ ``,
+ ),
+ );
+ expect(rows).toHaveLength(1);
+ });
+});
+
+describe("a manual entry mirrored before the marker existed", () => {
+ async function runAgainst(
+ manual: { value: number; at: string; source?: "MANUAL" | "WITHINGS" },
+ record: { value: number; at: string },
+ ) {
+ const user = await prisma.user.create({
+ data: { username: "own-fallback", email: "f@example.test", role: "USER" },
+ });
+ await prisma.measurement.create({
+ data: {
+ userId: user.id,
+ type: "WEIGHT",
+ unit: "kg",
+ source: manual.source ?? "MANUAL",
+ value: manual.value,
+ measuredAt: new Date(manual.at),
+ },
+ });
+ const result = await streamParseExportXml({
+ xmlPath: writeXml(weight(record.value, "2026-05-14 08:00:00 +0200")),
+ userId: user.id,
+ userTimezone: "Europe/Berlin",
+ prisma,
+ });
+ const rows = await prisma.measurement.findMany({
+ where: { userId: user.id, type: "WEIGHT", source: "APPLE_HEALTH" },
+ });
+ return { result, rows };
+ }
+
+ it("is left out when a MANUAL row has the same value within 2 s", async () => {
+ const { result, rows } = await runAgainst(
+ { value: 80.4, at: "2026-05-14T06:00:01.500Z" },
+ { value: 80.4, at: "" },
+ );
+ expect(rows).toHaveLength(0);
+ expect(result.writtenByHealthLog).toEqual({
+ byMarker: 0,
+ matchedManual: 1,
+ });
+ });
+
+ it("is kept when the value differs", async () => {
+ const { result, rows } = await runAgainst(
+ { value: 80.9, at: "2026-05-14T06:00:00.000Z" },
+ { value: 80.4, at: "" },
+ );
+ expect(rows).toHaveLength(1);
+ expect(result.writtenByHealthLog.matchedManual).toBe(0);
+ });
+
+ it("is kept when the MANUAL row is 3 s away", async () => {
+ const { rows } = await runAgainst(
+ { value: 80.4, at: "2026-05-14T06:00:03.000Z" },
+ { value: 80.4, at: "" },
+ );
+ expect(rows).toHaveLength(1);
+ });
+
+ it("is kept against a Withings row of the same value and time", async () => {
+ const { result, rows } = await runAgainst(
+ { value: 80.4, at: "2026-05-14T06:00:00.000Z", source: "WITHINGS" },
+ { value: 80.4, at: "" },
+ );
+ expect(rows).toHaveLength(1);
+ expect(result.writtenByHealthLog.matchedManual).toBe(0);
+ });
+});