diff --git a/packages/integrations/src/unifi-site-manager/test/unifi-site-manager-types.spec.ts b/packages/integrations/src/unifi-site-manager/test/unifi-site-manager-types.spec.ts
new file mode 100644
index 000000000..f70985fc9
--- /dev/null
+++ b/packages/integrations/src/unifi-site-manager/test/unifi-site-manager-types.spec.ts
@@ -0,0 +1,265 @@
+// @vitest-environment node
+import { readFileSync } from "node:fs";
+import { describe, expect, test } from "vitest";
+
+import {
+  buildHealthWindow,
+  buildSdWanIndex,
+  deriveHealthState,
+  HEALTH_WINDOW_HOURS,
+  mapSites,
+  summariseHealth,
+} from "../unifi-site-manager-types";
+
+const hoursBefore = (reference: Date, hours: number) => new Date(reference.getTime() - hours * 3_600_000);
+
+const NOW = new Date("2026-09-09T20:00:00Z");
+
+const period = (at: Date, wan: Record<string, number>) => ({
+  metricTime: at.toISOString(),
+  data: { wan },
+});
+
+describe("deriveHealthState", () => {
+  test("ranks an outage above packet loss", () => {
+    expect(deriveHealthState({ downtime: 60, packetLoss: 5 })).toBe("down");
+  });
+
+  test("reports packet loss as degraded", () => {
+    expect(deriveHealthState({ downtime: 0, packetLoss: 2 })).toBe("degraded");
+  });
+
+  test("reports a clean period as healthy", () => {
+    expect(deriveHealthState({ downtime: 0, packetLoss: 0 })).toBe("healthy");
+  });
+
+  /** Champs absents : le cloud les omet parfois. Absent n'est pas zéro. */
+  test("treats a period with no measurements as unknown", () => {
+    expect(deriveHealthState({})).toBe("unknown");
+  });
+});
+
+describe("buildHealthWindow", () => {
+  test("always returns one segment per hour of the window", () => {
+    expect(buildHealthWindow([], NOW)).toHaveLength(HEALTH_WINDOW_HOURS);
+  });
+
+  /**
+   * Le cas central. Une fenêtre de 24 h dont le cloud ne rapporte que 16 heures
+   * a été observée sur l'API réelle : les trous sont au milieu, pas seulement au
+   * début. Les peindre en vert affirmerait un bon fonctionnement jamais mesuré.
+   */
+  test("fills hours the cloud did not report with unknown, never healthy", () => {
+    const window = buildHealthWindow([period(hoursBefore(NOW, 2), { downtime: 0, packetLoss: 0 })], NOW);
+
+    expect(window.filter((segment) => segment.state === "healthy")).toHaveLength(1);
+    expect(window.filter((segment) => segment.state === "unknown")).toHaveLength(HEALTH_WINDOW_HOURS - 1);
+  });
+
+  test("orders segments oldest first", () => {
+    const window = buildHealthWindow([], NOW);
+
+    expect(window.at(0)!.at.getTime()).toBeLessThan(window.at(-1)!.at.getTime());
+  });
+
+  test("ignores periods that fall outside the window", () => {
+    const window = buildHealthWindow([period(hoursBefore(NOW, 100), { downtime: 0, packetLoss: 0 })], NOW);
+
+    expect(window.every((segment) => segment.state === "unknown")).toBe(true);
+  });
+
+  test("keeps the worst state when several readings share an hour", () => {
+    const at = hoursBefore(NOW, 3);
+    const window = buildHealthWindow(
+      [period(at, { downtime: 0, packetLoss: 0 }), period(at, { downtime: 30, packetLoss: 0 })],
+      NOW,
+    );
+
+    expect(window.filter((segment) => segment.state === "down")).toHaveLength(1);
+  });
+});
+
+describe("summariseHealth", () => {
+  test("counts hours per state so the bar is readable without colour", () => {
+    const summary = summariseHealth([
+      { at: NOW, state: "healthy" },
+      { at: NOW, state: "healthy" },
+      { at: NOW, state: "degraded" },
+      { at: NOW, state: "unknown" },
+    ]);
+
+    expect(summary).toEqual({ healthy: 2, degraded: 1, down: 0, unknown: 1 });
+  });
+});
+
+describe("buildSdWanIndex", () => {
+  const status = (siteId: string, overrides: Record<string, unknown> = {}) => ({
+    status: {
+      connections: [
+        { sites: [{ siteId, status: { connected: true, offline: false, ping: 0, errors: [], ...overrides } }] },
+      ],
+      sites: [{ siteId, errors: [], warnings: [] }],
+    },
+  });
+
+  test("indexes a site by its identifier", () => {
+    const index = buildSdWanIndex([{ configName: "Mesh", status: status("site-1").status }]);
+
+    expect(index.get("site-1")).toMatchObject({ configName: "Mesh", connected: true, offline: false });
+  });
+
+  /**
+   * Relevé sur un tunnel connecté entre deux sites distants : `ping: 0`. Une
+   * latence nulle y est physiquement impossible — le champ veut dire « non
+   * mesuré », et propager le zéro l'afficherait comme une performance.
+   */
+  test("reads a ping of zero as unmeasured, not as zero milliseconds", () => {
+    const index = buildSdWanIndex([{ configName: "Mesh", status: status("site-1").status }]);
+
+    expect(index.get("site-1")!.pingMs).toBeNull();
+  });
+
+  test("keeps a measured ping", () => {
+    const index = buildSdWanIndex([{ configName: "Mesh", status: status("site-1", { ping: 12 }).status }]);
+
+    expect(index.get("site-1")!.pingMs).toBe(12);
+  });
+
+  test("counts errors and warnings", () => {
+    const raw = status("site-1", { errors: ["a", "b"] }).status;
+    raw.sites[0]!.warnings = ["w"];
+
+    const index = buildSdWanIndex([{ configName: "Mesh", status: raw }]);
+
+    expect(index.get("site-1")).toMatchObject({ errorCount: 2, warningCount: 1 });
+  });
+
+  test("keeps the first configuration when a site appears in several", () => {
+    const index = buildSdWanIndex([
+      { configName: "First", status: status("site-1").status },
+      { configName: "Second", status: status("site-1").status },
+    ]);
+
+    expect(index.get("site-1")!.configName).toBe("First");
+  });
+
+  test("leaves a site absent from every configuration out of the index", () => {
+    expect(buildSdWanIndex([]).get("site-1")).toBeUndefined();
+  });
+});
+
+describe("mapSites", () => {
+  const site = {
+    siteId: "site-1",
+    hostId: "host-1",
+    meta: { desc: "Example site", name: "default" },
+    statistics: {
+      percentages: { wanUptime: 99.5 },
+      ispInfo: { name: "Example ISP" },
+      wans: { WAN: { externalIp: "203.0.113.10" }, WAN2: { externalIp: "203.0.113.11" } },
+      counts: { totalDevice: 6, offlineDevice: 1, pendingUpdateDevice: 3 },
+    },
+  };
+
+  const host = { id: "host-1", reportedState: { deviceState: "updateAvailable" } };
+
+  test("maps a complete site", () => {
+    const [mapped] = mapSites([site], [host], [], new Map(), NOW);
+
+    expect(mapped).toMatchObject({
+      siteId: "site-1",
+      name: "Example site",
+      wanUptimePct: 99.5,
+      ispName: "Example ISP",
+      externalIps: ["203.0.113.10", "203.0.113.11"],
+      deviceCount: 6,
+      offlineDeviceCount: 1,
+      pendingUpdateCount: 3,
+      consoleUpdateAvailable: true,
+    });
+  });
+
+  test("falls back to meta.name when there is no description", () => {
+    const [mapped] = mapSites([{ ...site, meta: { name: "default" } }], [], [], new Map(), NOW);
+
+    expect(mapped!.name).toBe("default");
+  });
+
+  /**
+   * `null` veut dire « aucun host ne correspond », ce qui n'est pas « la console
+   * est à jour ». Le widget doit pouvoir les distinguer.
+   */
+  test("leaves consoleUpdateAvailable null when no host matches", () => {
+    const [mapped] = mapSites([site], [], [], new Map(), NOW);
+
+    expect(mapped!.consoleUpdateAvailable).toBeNull();
+  });
+
+  test("reports a console with no pending update as false, not null", () => {
+    const [mapped] = mapSites(
+      [site],
+      [{ id: "host-1", reportedState: { deviceState: "connected" } }],
+      [],
+      new Map(),
+      NOW,
+    );
+
+    expect(mapped!.consoleUpdateAvailable).toBe(false);
+  });
+
+  test("yields an empty list for an account with no sites", () => {
+    expect(mapSites([], [], [], new Map(), NOW)).toEqual([]);
+  });
+
+  test("attaches the health window of the matching metrics entry", () => {
+    const [mapped] = mapSites(
+      [site],
+      [],
+      [{ siteId: "site-1", periods: [period(hoursBefore(NOW, 1), { downtime: 0, packetLoss: 0 })] }],
+      new Map(),
+      NOW,
+    );
+
+    expect(mapped!.health).toHaveLength(HEALTH_WINDOW_HOURS);
+    expect(mapped!.summary.healthy).toBe(1);
+    expect(mapped!.latencyMs).toBeNull();
+  });
+
+  test("takes latency and loss from the most recent period", () => {
+    const [mapped] = mapSites(
+      [site],
+      [],
+      [
+        {
+          siteId: "site-1",
+          periods: [
+            period(hoursBefore(NOW, 5), { downtime: 0, packetLoss: 9, avgLatency: 99 }),
+            period(hoursBefore(NOW, 1), { downtime: 0, packetLoss: 0, avgLatency: 11 }),
+          ],
+        },
+      ],
+      new Map(),
+      NOW,
+    );
+
+    expect(mapped!.latencyMs).toBe(11);
+    expect(mapped!.packetLossPct).toBe(0);
+  });
+});
+
+/**
+ * Ce module est réexporté par packages/integrations/src/types.ts, lui-même
+ * importé par des composants client. Un import de @homarr/common/server y
+ * traîne ioredis puis node:dns dans le bundle navigateur et empêche
+ * l'application de démarrer — défaut réellement survenu sur l'intégration
+ * précédente, invisible au typecheck comme aux tests unitaires.
+ */
+describe("client bundle safety", () => {
+  test("the types module does not import server-only code", () => {
+    // `import.meta.url` plutôt que `__dirname` : ce dernier n'existe pas en ESM,
+    // et aucun autre spec du dépôt ne s'y fie.
+    const source = readFileSync(new URL("../unifi-site-manager-types.ts", import.meta.url), "utf8");
+
+    expect(source).not.toContain("@homarr/common/server");
+  });
+});
diff --git a/packages/integrations/src/unifi-site-manager/unifi-site-manager-parse.ts b/packages/integrations/src/unifi-site-manager/unifi-site-manager-parse.ts
new file mode 100644
index 000000000..0856f61d4
--- /dev/null
+++ b/packages/integrations/src/unifi-site-manager/unifi-site-manager-parse.ts
@@ -0,0 +1,19 @@
+import { ParseError } from "@homarr/common/server";
+import type { z } from "zod/v4";
+
+/**
+ * Séparé de `unifi-site-manager-types.ts` à dessein : ce module importe
+ * `@homarr/common/server`, qui atteint `ioredis` puis `node:dns`. Le module de
+ * types, lui, est réexporté vers des composants client et doit rester pur.
+ */
+export const parseSiteManagerAsync = async <TOutput>(
+  value: unknown,
+  schema: z.ZodType<TOutput>,
+  message: string,
+): Promise<TOutput> => {
+  const result = await schema.safeParseAsync(value);
+  if (!result.success) {
+    throw new ParseError(message, { cause: result.error });
+  }
+  return result.data;
+};
diff --git a/packages/integrations/src/unifi-site-manager/unifi-site-manager-types.ts b/packages/integrations/src/unifi-site-manager/unifi-site-manager-types.ts
new file mode 100644
index 000000000..9303af7d9
--- /dev/null
+++ b/packages/integrations/src/unifi-site-manager/unifi-site-manager-types.ts
@@ -0,0 +1,284 @@
+import { z } from "zod/v4";
+
+/** Ubiquiti ajoute des champs sans prévenir : tous les objets d'API sont tolérants. */
+
+const wanMetricsSchema = z.looseObject({
+  avgLatency: z.number().optional(),
+  maxLatency: z.number().optional(),
+  packetLoss: z.number().optional(),
+  downtime: z.number().optional(),
+  uptime: z.number().optional(),
+  ispName: z.string().optional(),
+});
+
+export const ispMetricsPeriodSchema = z.looseObject({
+  metricTime: z.string(),
+  data: z.looseObject({ wan: wanMetricsSchema.optional() }),
+});
+
+export const ispMetricsEntrySchema = z.looseObject({
+  siteId: z.string(),
+  hostId: z.string().optional(),
+  periods: z.array(ispMetricsPeriodSchema).default([]),
+});
+
+export const ispMetricsResponseSchema = z.looseObject({
+  data: z.looseObject({ metrics: z.array(ispMetricsEntrySchema).default([]) }),
+});
+
+export const siteManagerSiteSchema = z.looseObject({
+  siteId: z.string(),
+  hostId: z.string().optional(),
+  meta: z.looseObject({ desc: z.string().optional(), name: z.string().optional() }),
+  statistics: z
+    .looseObject({
+      percentages: z.looseObject({ wanUptime: z.number().optional() }).optional(),
+      ispInfo: z.looseObject({ name: z.string().optional() }).optional(),
+      wans: z.record(z.string(), z.looseObject({ externalIp: z.string().optional() })).optional(),
+      counts: z
+        .looseObject({
+          totalDevice: z.number().optional(),
+          offlineDevice: z.number().optional(),
+          pendingUpdateDevice: z.number().optional(),
+        })
+        .optional(),
+    })
+    .optional(),
+});
+
+export const siteManagerSiteListSchema = z.looseObject({ data: z.array(siteManagerSiteSchema).default([]) });
+
+export const siteManagerHostSchema = z.looseObject({
+  id: z.string(),
+  reportedState: z.looseObject({ deviceState: z.string().optional() }).optional(),
+});
+
+export const siteManagerHostListSchema = z.looseObject({ data: z.array(siteManagerHostSchema).default([]) });
+
+export const sdWanConfigSchema = z.looseObject({ id: z.string(), name: z.string().optional() });
+
+export const sdWanConfigListSchema = z.looseObject({ data: z.array(sdWanConfigSchema).default([]) });
+
+const sdWanConnectionSiteSchema = z.looseObject({
+  siteId: z.string(),
+  status: z
+    .looseObject({
+      connected: z.boolean().optional(),
+      offline: z.boolean().optional(),
+      ping: z.number().optional(),
+      errors: z.array(z.unknown()).default([]),
+    })
+    .optional(),
+});
+
+export const sdWanStatusSchema = z.looseObject({
+  data: z.looseObject({
+    status: z.looseObject({
+      connections: z.array(z.looseObject({ sites: z.array(sdWanConnectionSiteSchema).default([]) })).default([]),
+      sites: z
+        .array(
+          z.looseObject({
+            siteId: z.string(),
+            errors: z.array(z.unknown()).default([]),
+            warnings: z.array(z.unknown()).default([]),
+          }),
+        )
+        .default([]),
+    }),
+  }),
+});
+
+export type SdWanStatus = z.infer<typeof sdWanStatusSchema>;
+
+export type SiteManagerSite = z.infer<typeof siteManagerSiteSchema>;
+export type SiteManagerHost = z.infer<typeof siteManagerHostSchema>;
+export type IspMetricsEntry = z.infer<typeof ispMetricsEntrySchema>;
+export type IspMetricsPeriod = z.infer<typeof ispMetricsPeriodSchema>;
+
+export type UnifiSiteHealthState = "healthy" | "degraded" | "down" | "unknown";
+
+export interface UnifiSiteHealthSegment {
+  /** Début de la tranche horaire. */
+  at: Date;
+  state: UnifiSiteHealthState;
+}
+
+export type UnifiSiteHealthSummary = Record<UnifiSiteHealthState, number>;
+
+export interface UnifiSiteManagerSite {
+  siteId: string;
+  name: string;
+  wanUptimePct: number | null;
+  ispName: string | null;
+  externalIps: string[];
+  deviceCount: number;
+  offlineDeviceCount: number;
+  /** Firmwares d'ÉQUIPEMENTS en attente — distinct de la mise à jour de console. */
+  pendingUpdateCount: number;
+  /** Mise à jour de la CONSOLE. `null` si aucun host ne correspond. */
+  consoleUpdateAvailable: boolean | null;
+  /** Toujours HEALTH_WINDOW_HOURS entrées, la plus ancienne en premier. */
+  health: UnifiSiteHealthSegment[];
+  summary: UnifiSiteHealthSummary;
+  latencyMs: number | null;
+  packetLossPct: number | null;
+  /** `null` si le site n'appartient à aucune configuration SD-WAN. */
+  sdWan: UnifiSiteSdWanStatus | null;
+}
+
+export interface UnifiSiteSdWanStatus {
+  configName: string;
+  connected: boolean;
+  offline: boolean;
+  /** `null` quand le cloud rapporte `0` : « non mesuré », pas « zéro milliseconde ». */
+  pingMs: number | null;
+  errorCount: number;
+  warningCount: number;
+}
+
+export interface UnifiSiteManagerOverview {
+  sites: UnifiSiteManagerSite[];
+}
+
+export const HEALTH_WINDOW_HOURS = 24;
+
+const HOUR_MS = 3_600_000;
+
+/** Gravité décroissante. L'ordre compte : une coupure prime sur une perte. */
+export const deriveHealthState = (
+  wan:
+    | {
+        downtime?: number;
+        packetLoss?: number;
+      }
+    | undefined,
+): UnifiSiteHealthState => {
+  if (wan === undefined) return "unknown";
+  if (wan.downtime === undefined && wan.packetLoss === undefined) return "unknown";
+  if ((wan.downtime ?? 0) > 0) return "down";
+  if ((wan.packetLoss ?? 0) > 0) return "degraded";
+  return "healthy";
+};
+
+const SEVERITY: Record<UnifiSiteHealthState, number> = { unknown: 0, healthy: 1, degraded: 2, down: 3 };
+
+const floorToHour = (value: number) => Math.floor(value / HOUR_MS) * HOUR_MS;
+
+/**
+ * Reconstitue une fenêtre pleine de HEALTH_WINDOW_HOURS tranches.
+ *
+ * Le cloud ne rapporte pas toutes les heures : une fenêtre de 24 h n'en a
+ * renvoyé que 16 sur l'API réelle, avec des trous au milieu. Une tranche non
+ * rapportée vaut `"unknown"` et jamais `"healthy"` — la peindre en vert
+ * affirmerait un bon fonctionnement qui n'a pas été mesuré.
+ */
+export const buildHealthWindow = (periods: IspMetricsPeriod[], endingAt: Date): UnifiSiteHealthSegment[] => {
+  const lastHour = floorToHour(endingAt.getTime());
+  const firstHour = lastHour - (HEALTH_WINDOW_HOURS - 1) * HOUR_MS;
+
+  const byHour = new Map<number, UnifiSiteHealthState>();
+  for (const period of periods) {
+    const at = floorToHour(new Date(period.metricTime).getTime());
+    if (Number.isNaN(at) || at < firstHour || at > lastHour) continue;
+
+    const state = deriveHealthState(period.data.wan);
+    const existing = byHour.get(at);
+    // Plusieurs mesures dans la même heure : on garde la pire.
+    if (existing === undefined || SEVERITY[state] > SEVERITY[existing]) byHour.set(at, state);
+  }
+
+  return Array.from({ length: HEALTH_WINDOW_HOURS }, (_, offset) => {
+    const at = firstHour + offset * HOUR_MS;
+    return { at: new Date(at), state: byHour.get(at) ?? "unknown" };
+  });
+};
+
+/** Le canal qui porte l'information quand la couleur ne passe pas. */
+export const summariseHealth = (segments: UnifiSiteHealthSegment[]): UnifiSiteHealthSummary => {
+  const summary: UnifiSiteHealthSummary = { healthy: 0, degraded: 0, down: 0, unknown: 0 };
+  for (const segment of segments) summary[segment.state] += 1;
+  return summary;
+};
+
+const latestPeriod = (periods: IspMetricsPeriod[]): IspMetricsPeriod | undefined =>
+  periods.reduce<IspMetricsPeriod | undefined>((newest, period) => {
+    if (newest === undefined) return period;
+    return new Date(period.metricTime).getTime() > new Date(newest.metricTime).getTime() ? period : newest;
+  }, undefined);
+
+/**
+ * Indexe l'état des tunnels par site.
+ *
+ * `ping: 0` a été relevé sur un tunnel `connected` reliant deux sites
+ * géographiquement distants — une latence nulle y est physiquement impossible.
+ * Le champ signifie donc « non mesuré », et il devient `null` plutôt que d'être
+ * propagé comme une performance.
+ *
+ * Un site peut apparaître dans plusieurs configurations : la première l'emporte,
+ * et son nom accompagne l'état pour que la ligne reste interprétable.
+ */
+export const buildSdWanIndex = (
+  configs: { configName: string; status: SdWanStatus["data"]["status"] }[],
+): Map<string, UnifiSiteSdWanStatus> => {
+  const index = new Map<string, UnifiSiteSdWanStatus>();
+
+  for (const { configName, status } of configs) {
+    const warningsBySite = new Map(status.sites.map((site) => [site.siteId, site]));
+
+    for (const connection of status.connections) {
+      for (const site of connection.sites) {
+        if (index.has(site.siteId)) continue;
+
+        const reported = site.status;
+        const ping = reported?.ping ?? 0;
+
+        index.set(site.siteId, {
+          configName,
+          connected: reported?.connected ?? false,
+          offline: reported?.offline ?? false,
+          pingMs: ping > 0 ? ping : null,
+          errorCount: reported?.errors.length ?? 0,
+          warningCount: warningsBySite.get(site.siteId)?.warnings.length ?? 0,
+        });
+      }
+    }
+  }
+
+  return index;
+};
+
+export const mapSites = (
+  sites: SiteManagerSite[],
+  hosts: SiteManagerHost[],
+  metrics: IspMetricsEntry[],
+  sdWanBySite: Map<string, UnifiSiteSdWanStatus>,
+  now: Date,
+): UnifiSiteManagerSite[] =>
+  sites.map((site) => {
+    const statistics = site.statistics;
+    const counts = statistics?.counts;
+    const host = site.hostId === undefined ? undefined : hosts.find((candidate) => candidate.id === site.hostId);
+    const entry = metrics.find((candidate) => candidate.siteId === site.siteId);
+    const periods = entry?.periods ?? [];
+    const health = buildHealthWindow(periods, now);
+    const latest = latestPeriod(periods)?.data.wan;
+
+    return {
+      siteId: site.siteId,
+      name: site.meta.desc ?? site.meta.name ?? site.siteId,
+      wanUptimePct: statistics?.percentages?.wanUptime ?? null,
+      ispName: statistics?.ispInfo?.name ?? null,
+      externalIps: Object.values(statistics?.wans ?? {})
+        .map((wan) => wan.externalIp)
+        .filter((ip): ip is string => ip !== undefined),
+      deviceCount: counts?.totalDevice ?? 0,
+      offlineDeviceCount: counts?.offlineDevice ?? 0,
+      pendingUpdateCount: counts?.pendingUpdateDevice ?? 0,
+      consoleUpdateAvailable: host === undefined ? null : host.reportedState?.deviceState === "updateAvailable",
+      health,
+      summary: summariseHealth(health),
+      latencyMs: latest?.avgLatency ?? null,
+      packetLossPct: latest?.packetLoss ?? null,
+      sdWan: sdWanBySite.get(site.siteId) ?? null,
+    };
+  });