diff --git a/src/components/__tests__/motion-reduce-spin-coverage.test.ts b/src/components/__tests__/motion-reduce-spin-coverage.test.ts
new file mode 100644
index 000000000..c9a730571
--- /dev/null
+++ b/src/components/__tests__/motion-reduce-spin-coverage.test.ts
@@ -0,0 +1,67 @@
+import { describe, it, expect } from "vitest";
+import { readdirSync, readFileSync, statSync } from "node:fs";
+import { join } from "node:path";
+
+/**
+ * v1.4.43 W11 — motion-reduce sweep guard.
+ *
+ * Every `animate-spin` site in component / app code must also carry
+ * `motion-reduce:animate-none` so that motion-sensitive users see a
+ * static icon instead of a continuous rotation. The audit found 21
+ * sites missing the modifier; this test prevents regressions.
+ *
+ * Scope: `src/**` excluding test files. The check is textual to avoid
+ * rendering every loading state — a CI-cheap guard that catches drift
+ * any time a new spinner is added without the modifier.
+ */
+const ROOT = join(process.cwd(), "src");
+const EXCLUDE_DIRS = new Set(["__tests__", "node_modules"]);
+
+function collectTsxFiles(dir: string, acc: string[] = []): string[] {
+  for (const entry of readdirSync(dir)) {
+    if (EXCLUDE_DIRS.has(entry)) continue;
+    const full = join(dir, entry);
+    const stat = statSync(full);
+    if (stat.isDirectory()) {
+      collectTsxFiles(full, acc);
+    } else if (
+      entry.endsWith(".tsx") &&
+      !entry.endsWith(".test.tsx") &&
+      !entry.endsWith(".test.ts")
+    ) {
+      acc.push(full);
+    }
+  }
+  return acc;
+}
+
+describe("motion-reduce coverage — every animate-spin pairs with motion-reduce:animate-none", () => {
+  const files = collectTsxFiles(ROOT);
+
+  it("collects component files to scan", () => {
+    expect(files.length).toBeGreaterThan(50);
+  });
+
+  it("every animate-spin site declares motion-reduce:animate-none", () => {
+    const violations: string[] = [];
+    for (const file of files) {
+      const src = readFileSync(file, "utf8");
+      const lines = src.split("\n");
+      lines.forEach((line, idx) => {
+        if (!line.includes("animate-spin")) return;
+        // Skip comments and string literals that aren't classNames.
+        if (line.trim().startsWith("//") || line.trim().startsWith("*"))
+          return;
+        if (!line.includes("motion-reduce:animate-none")) {
+          violations.push(`${file}:${idx + 1}: ${line.trim()}`);
+        }
+      });
+    }
+    expect(
+      violations,
+      `The following animate-spin sites are missing motion-reduce:animate-none. ` +
+        `Append the modifier so motion-sensitive users see a static icon:\n` +
+        violations.join("\n"),
+    ).toEqual([]);
+  });
+});
diff --git a/src/components/admin/api-token-overview-section.tsx b/src/components/admin/api-token-overview-section.tsx
index fc5faf58f..f42166114 100644
--- a/src/components/admin/api-token-overview-section.tsx
+++ b/src/components/admin/api-token-overview-section.tsx
@@ -166,7 +166,7 @@ export function ApiTokenOverviewSection() {
       <div className="mt-4">
         {isLoading ? (
           <div className="flex justify-center py-4">
-            <Loader2 className="text-muted-foreground h-5 w-5 animate-spin" />
+            <Loader2 className="text-muted-foreground h-5 w-5 animate-spin motion-reduce:animate-none" />
           </div>
         ) : !tokens?.length ? (
           // v1.4.15 phase-C5: empty state explains where tokens come
diff --git a/src/components/admin/backups-section.tsx b/src/components/admin/backups-section.tsx
index 13a4c913e..b9a7d9b6d 100644
--- a/src/components/admin/backups-section.tsx
+++ b/src/components/admin/backups-section.tsx
@@ -362,7 +362,7 @@ export function BackupsSection() {
           className="min-h-11"
         >
           {runBackup.isPending ? (
-            <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+            <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
           ) : (
             <PlayCircle className="mr-1 h-3.5 w-3.5" />
           )}
@@ -418,7 +418,7 @@ export function BackupsSection() {
             className="min-h-11"
           >
             {upload.isPending ? (
-              <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+              <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
             ) : (
               <Upload className="mr-1 h-3.5 w-3.5" />
             )}
@@ -429,7 +429,7 @@ export function BackupsSection() {
 
       {isLoading ? (
         <div className="mt-4 flex items-center gap-2">
-          <Loader2 className="text-muted-foreground h-4 w-4 animate-spin" />
+          <Loader2 className="text-muted-foreground h-4 w-4 animate-spin motion-reduce:animate-none" />
           <span className="text-muted-foreground text-sm">
             {t("admin.section.backups.loading")}
           </span>
@@ -459,7 +459,7 @@ export function BackupsSection() {
                 className="min-h-11"
               >
                 {runBackup.isPending ? (
-                  <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                  <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
                 ) : (
                   <PlayCircle className="mr-1 h-3.5 w-3.5" />
                 )}
@@ -518,7 +518,7 @@ export function BackupsSection() {
                         className="min-h-11"
                       >
                         {downloadingId === row.id ? (
-                          <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                          <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
                         ) : (
                           <Download className="mr-1 h-3.5 w-3.5" />
                         )}
diff --git a/src/components/admin/system-status-section.tsx b/src/components/admin/system-status-section.tsx
index 506ee5305..549ae3afa 100644
--- a/src/components/admin/system-status-section.tsx
+++ b/src/components/admin/system-status-section.tsx
@@ -228,7 +228,7 @@ export function SystemStatusSection() {
               data-testid="system-status-retry"
             >
               {isFetching ? (
-                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
               ) : (
                 <RotateCw className="mr-1 h-3.5 w-3.5" />
               )}
@@ -237,7 +237,7 @@ export function SystemStatusSection() {
           </div>
         ) : (
           <div className="mt-4 flex items-center gap-2">
-            <Loader2 className="text-muted-foreground h-4 w-4 animate-spin" />
+            <Loader2 className="text-muted-foreground h-4 w-4 animate-spin motion-reduce:animate-none" />
             <span className="text-muted-foreground text-sm">
               {t("admin.loadingStatus")}
             </span>
diff --git a/src/components/charts/health-chart.tsx b/src/components/charts/health-chart.tsx
index 514b20911..059351ebc 100644
--- a/src/components/charts/health-chart.tsx
+++ b/src/components/charts/health-chart.tsx
@@ -1286,7 +1286,7 @@ export function HealthChart({
 
       {isLoading ? (
         <div className="flex h-48 items-center justify-center">
-          <Loader2 className="text-primary h-6 w-6 animate-spin" />
+          <Loader2 className="text-primary h-6 w-6 animate-spin motion-reduce:animate-none" />
         </div>
       ) : !chartData?.length ? null : (chartData?.length ?? 0) < 3 ? (
         // v1.4.16 B1a — sparse-data placeholder. <3 daily points is too
diff --git a/src/components/doctor-report/doctor-report-dialog.tsx b/src/components/doctor-report/doctor-report-dialog.tsx
index 75416295d..4a3bc1566 100644
--- a/src/components/doctor-report/doctor-report-dialog.tsx
+++ b/src/components/doctor-report/doctor-report-dialog.tsx
@@ -483,7 +483,7 @@ export function DoctorReportDialog({
             </Button>
             <Button type="submit" disabled={submitting || !validation.ok}>
               {submitting && (
-                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin" />
+                <Loader2 className="mr-1 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
               )}
               {t("doctorReport.dialog.submit")}
             </Button>
@@ -572,7 +572,7 @@ function SectionToggles({
           {t("doctorReport.sections.title")}
         </p>
         {availabilityLoading && (
-          <Loader2 className="text-muted-foreground h-3 w-3 animate-spin" />
+          <Loader2 className="text-muted-foreground h-3 w-3 animate-spin motion-reduce:animate-none" />
         )}
       </div>
       <ul className="grid grid-cols-1 gap-1 sm:grid-cols-2">
diff --git a/src/components/medications/DrugLevelChart.tsx b/src/components/medications/DrugLevelChart.tsx
index f5435c7dc..5b1e44bbe 100644
--- a/src/components/medications/DrugLevelChart.tsx
+++ b/src/components/medications/DrugLevelChart.tsx
@@ -232,7 +232,7 @@ export function DrugLevelChart({ medication, asOf }: DrugLevelChartProps) {
       className="flex h-[220px] items-center justify-center"
       data-slot="drug-level-chart-loading"
     >
-      <Loader2 className="text-primary h-6 w-6 animate-spin" />
+      <Loader2 className="text-primary h-6 w-6 animate-spin motion-reduce:animate-none" />
     </div>
   ) : !hasDoses ? (
     <EmptyState />
diff --git a/src/components/mood/mood-list.tsx b/src/components/mood/mood-list.tsx
index 42bae8831..5bbbafdf6 100644
--- a/src/components/mood/mood-list.tsx
+++ b/src/components/mood/mood-list.tsx
@@ -301,7 +301,7 @@ export function MoodList({ onAddFirst }: MoodListProps = {}) {
 
         {isLoading ? (
           <div className="flex h-32 items-center justify-center">
-            <Loader2 className="text-primary h-6 w-6 animate-spin" />
+            <Loader2 className="text-primary h-6 w-6 animate-spin motion-reduce:animate-none" />
           </div>
         ) : !data?.entries?.length ? (
           // v1.4.15 phase-C5: replace bare-text empty rectangle with
diff --git a/src/components/settings/about-section.tsx b/src/components/settings/about-section.tsx
index 5f4860240..16d1a1810 100644
--- a/src/components/settings/about-section.tsx
+++ b/src/components/settings/about-section.tsx
@@ -211,7 +211,7 @@ export function AboutSection() {
 
         {isLoading || !version ? (
           <div className="flex items-center gap-2">
-            <Loader2 className="text-muted-foreground h-4 w-4 animate-spin" />
+            <Loader2 className="text-muted-foreground h-4 w-4 animate-spin motion-reduce:animate-none" />
             <span className="text-muted-foreground text-sm">
               {t("common.loading")}
             </span>
diff --git a/src/components/settings/account-section.tsx b/src/components/settings/account-section.tsx
index 9f8712f78..ba846da25 100644
--- a/src/components/settings/account-section.tsx
+++ b/src/components/settings/account-section.tsx
@@ -359,7 +359,7 @@ export function AccountSection() {
   if (isLoading) {
     return (
       <div className="flex h-64 items-center justify-center">
-        <Loader2 className="text-primary h-8 w-8 animate-spin" />
+        <Loader2 className="text-primary h-8 w-8 animate-spin motion-reduce:animate-none" />
       </div>
     );
   }
@@ -617,7 +617,7 @@ export function AccountSection() {
             className="w-full shrink-0 sm:w-auto"
           >
             {tourRestarting ? (
-              <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+              <Loader2 className="mr-2 h-4 w-4 animate-spin motion-reduce:animate-none" />
             ) : (
               <Compass className="mr-2 h-4 w-4" />
             )}
@@ -708,7 +708,7 @@ export function AccountSection() {
 
             <Button type="submit" variant="outline" disabled={passwordSaving}>
               {passwordSaving ? (
-                <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                <Loader2 className="mr-2 h-4 w-4 animate-spin motion-reduce:animate-none" />
               ) : (
                 <Save className="mr-2 h-4 w-4" />
               )}
diff --git a/src/components/settings/ai-section.tsx b/src/components/settings/ai-section.tsx
index a3bbc632e..817a5b79e 100644
--- a/src/components/settings/ai-section.tsx
+++ b/src/components/settings/ai-section.tsx
@@ -639,7 +639,7 @@ function CodexProviderForm({
           disabled={disconnecting}
         >
           {disconnecting ? (
-            <Loader2 className="mr-1 h-4 w-4 animate-spin" />
+            <Loader2 className="mr-1 h-4 w-4 animate-spin motion-reduce:animate-none" />
           ) : (
             <Trash2 className="mr-1 h-4 w-4" />
           )}
@@ -682,7 +682,7 @@ function CodexProviderForm({
           <div className="flex items-center gap-3 text-xs">
             {devicePolling && (
               <span className="text-muted-foreground inline-flex items-center gap-1">
-                <Loader2 className="h-3 w-3 animate-spin" />
+                <Loader2 className="h-3 w-3 animate-spin motion-reduce:animate-none" />
                 {t("settings.ai.deviceCodeWaiting")}
               </span>
             )}
@@ -703,7 +703,7 @@ function CodexProviderForm({
           className="w-full sm:w-auto"
         >
           {devicePolling ? (
-            <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+            <Loader2 className="mr-2 h-4 w-4 animate-spin motion-reduce:animate-none" />
           ) : (
             <Sparkles className="mr-2 h-4 w-4" />
           )}
diff --git a/src/components/settings/sources-section.tsx b/src/components/settings/sources-section.tsx
index ce96c3eab..1e2089d1b 100644
--- a/src/components/settings/sources-section.tsx
+++ b/src/components/settings/sources-section.tsx
@@ -592,7 +592,7 @@ export function SourcesSection({ mode = "standalone" }: SourcesSectionProps = {}
               disabled={saveMutation.isPending}
             >
               {saveMutation.isPending && (
-                <Loader2 className="mr-2 h-3.5 w-3.5 animate-spin" />
+                <Loader2 className="mr-2 h-3.5 w-3.5 animate-spin motion-reduce:animate-none" />
               )}
               {t("common.save")}
             </Button>