style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/components/settings/integrations/connections-panel.tsx

@@ -106,7 +106,11 @@ export function parseOAuthOutcome(search: string): OAuthOutcome | null {
     const v = params.get(provider);
     if (v === "connected") return { provider, kind: "connected" };
     if (v === "error") {
-      return { provider, kind: "error", reason: params.get("reason") ?? "unknown" };
+      return {
+        provider,
+        kind: "error",
+        reason: params.get("reason") ?? "unknown",
+      };
     }
   }
   return null;
@@ -218,7 +222,9 @@ export function ConnectionsPanel() {
       toast.success(t(`settings.${provider}OauthConnected`));
       // Polar/Oura own a per-card status query; WHOOP/Fitbit read off the
       // consolidated envelope — invalidate both so the card repaints either way.
-      queryClient.invalidateQueries({ queryKey: OAUTH_OUTCOME_KEYS[provider]() });
+      queryClient.invalidateQueries({
+        queryKey: OAUTH_OUTCOME_KEYS[provider](),
+      });
       queryClient.invalidateQueries({
         queryKey: queryKeys.integrationsStatus(),
       });

src/components/settings/integrations/fitbit-card.tsx

@@ -189,9 +189,7 @@ export function FitbitCard({
       : null;
 
   return (
-    <SettingsCard
-      data-testid="fitbit-card"
-    >
+    <SettingsCard data-testid="fitbit-card">
       <SettingsCardHeader
         icon={HeartPulse}
         title={t("settings.fitbit")}

src/components/settings/integrations/nightscout-card.tsx

@@ -10,7 +10,14 @@
 import { useRef, useState } from "react";
 import Link from "next/link";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
-import { ArrowRight, Droplet, Link2, Loader2, Save, Unlink } from "lucide-react";
+import {
+  ArrowRight,
+  Droplet,
+  Link2,
+  Loader2,
+  Save,
+  Unlink,
+} from "lucide-react";
 
 import {
   AlertDialog,
@@ -37,7 +44,11 @@ import {
 import { TestConnectionButton } from "@/components/settings/test-connection-button";
 import { apiFetchRaw, apiGet, apiPost } from "@/lib/api/api-fetch";
 import { useTranslations } from "@/lib/i18n/context";
-import { invalidateKeys, measurementDependentKeys, queryKeys } from "@/lib/query-keys";
+import {
+  invalidateKeys,
+  measurementDependentKeys,
+  queryKeys,
+} from "@/lib/query-keys";
 
 import { IntegrationErrorMessage } from "./shared";
 import { IntegrationCardDescription } from "./setup-guide-link";
@@ -47,14 +58,21 @@ interface NightscoutStatus {
   configured: boolean;
   hasToken?: boolean;
   allowPrivateHost?: boolean;
-  state?: "connected" | "error_transient" | "error_reauth" | "disconnected" | "parked";
+  state?:
+    | "connected"
+    | "error_transient"
+    | "error_reauth"
+    | "disconnected"
+    | "parked";
   lastSuccessAt?: string | null;
   lastAttemptAt?: string | null;
   lastError?: string | null;
 }
 
 /** Map the shared ledger state onto the pill's display state. */
-function pillStateFor(status: NightscoutStatus | undefined): IntegrationPillState {
+function pillStateFor(
+  status: NightscoutStatus | undefined,
+): IntegrationPillState {
   if (!status?.connected) return "disconnected";
   switch (status.state) {
     case "parked":
@@ -159,9 +177,7 @@ export function NightscoutCard({ enabled = true }: { enabled?: boolean }) {
       : null;
 
   return (
-    <SettingsCard
-      data-testid="nightscout-card"
-    >
+    <SettingsCard data-testid="nightscout-card">
       <SettingsCardHeader
         icon={Droplet}
         title={t("settings.nightscout")}
@@ -226,7 +242,9 @@ export function NightscoutCard({ enabled = true }: { enabled?: boolean }) {
 
         <form ref={formRef} onSubmit={handleConnect} className="space-y-3">
           <div className="space-y-1.5">
-            <Label htmlFor="nightscout-url">{t("settings.nightscoutUrl")}</Label>
+            <Label htmlFor="nightscout-url">
+              {t("settings.nightscoutUrl")}
+            </Label>
             <Input
               id="nightscout-url"
               type="url"

src/components/settings/integrations/oauth-provider-card.tsx

@@ -11,7 +11,14 @@
 import { useState } from "react";
 import Link from "next/link";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
-import { ArrowRight, Link2, Loader2, Save, Unlink, type LucideIcon } from "lucide-react";
+import {
+  ArrowRight,
+  Link2,
+  Loader2,
+  Save,
+  Unlink,
+  type LucideIcon,
+} from "lucide-react";
 
 import {
   AlertDialog,
@@ -64,7 +71,9 @@ export interface OAuthProviderStatus {
   lastError?: string | null;
 }
 
-function pillStateFor(status: OAuthProviderStatus | undefined): IntegrationPillState {
+function pillStateFor(
+  status: OAuthProviderStatus | undefined,
+): IntegrationPillState {
   if (!status?.connected) return "disconnected";
   switch (status.state) {
     case "parked":
@@ -202,9 +211,7 @@ export function OAuthProviderCard({
   }
 
   return (
-    <SettingsCard
-      data-testid={`${provider}-card`}
-    >
+    <SettingsCard data-testid={`${provider}-card`}>
       <SettingsCardHeader
         icon={icon}
         title={t(`${i18nPrefix}`)}

src/components/settings/integrations/setup-guide-link.tsx

@@ -20,8 +20,7 @@ import { useTranslations } from "@/lib/i18n/context";
  * path segment, e.g. `https://docs.healthlog.dev/integrations/whoop`. Kept as
  * a single constant so the host never drifts across cards.
  */
-export const INTEGRATION_DOCS_BASE =
-  "https://docs.healthlog.dev/integrations";
+export const INTEGRATION_DOCS_BASE = "https://docs.healthlog.dev/integrations";
 
 export type IntegrationDocsProvider =
   | "whoop"