diff --git a/scripts/check-module-guards.ts b/scripts/check-module-guards.ts
index d4edb9d..4ee9524 100644
--- a/scripts/check-module-guards.ts
+++ b/scripts/check-module-guards.ts
@@ -81,6 +81,10 @@ function checkGatedFile(label: string, src: string, moduleKey: string) {
   if (!src.includes(`moduleGuard("${moduleKey}")`)) {
     errors.push(`${label}: erwartet moduleGuard("${moduleKey}") — Modul-Gating fehlt oder falscher Key.`);
   }
+  // L15 Testphase: der Lese-Modus überspringt die Schreibsperre abgelaufener Testmandanten → in Actions verboten.
+  if (/moduleGuard\([^)]*read\s*:/.test(src)) {
+    errors.push(`${label}: moduleGuard(…, { read: true }) ist nur für Lesepfade erlaubt, nicht in Server-Actions.`);
+  }
   for (let i = 0; i < positions.length; i++) {
     const start = positions[i].index;
     const end = i + 1 < positions.length ? positions[i + 1].index : src.length;
diff --git a/scripts/smoke-testphase.ts b/scripts/smoke-testphase.ts
index 5864f98..47950e3 100644
--- a/scripts/smoke-testphase.ts
+++ b/scripts/smoke-testphase.ts
@@ -89,7 +89,10 @@ async function main() {
       who: `Monteur abgelaufen (${expiredSlug})`,
       cookie: await tenantCookie(tech.email, expiredSlug),
       checks: [
-        { path: "/m", mustContain: ["Testphase abgelaufen – nur Lesezugriff."], mustNotContain: ["Daten exportieren"] },
+        { path: "/m", mustContain: ["Testphase abgelaufen – nur Lesezugriff.", 'data-trial-banner="expired"'] },
+        { path: "/m/orders", mustContain: ["Testphase abgelaufen – nur Lesezugriff."] },
+        { path: `/m/orders/${order.id}`, mustContain: [order.number] },
+        { path: "/m/emergency", mustContain: ["Testphase abgelaufen – nur Lesezugriff."] },
         { path: "/api/v1/field/bundle", mustContain: ['"orders"'] },
         { label: "POST /api/v1/sync → gesperrt", path: "/api/v1/sync", method: "POST", body: JSON.stringify({ deviceId: "zz-smoke", operations: [] }), headers: { "content-type": "application/json" }, expect: [422], mustContain: ["trial_expired"] },
         { label: "POST /api/v1/uploads → gesperrt", path: "/api/v1/uploads", method: "POST", body: multipart({ clientId: "7c1d6a0e-3b1f-4c55-9d2a-00000000f016", workOrderId: order.id, kind: "photo" }, { name: "a.jpg", type: "image/jpeg", bytes: Buffer.from([0xff, 0xd8, 0xff, 0xd9]) }), expect: [422], mustContain: ["trial_expired"] },
diff --git a/scripts/test-testphase-readonly.ts b/scripts/test-testphase-readonly.ts
index 1de964d..5b2f744 100644
--- a/scripts/test-testphase-readonly.ts
+++ b/scripts/test-testphase-readonly.ts
@@ -99,7 +99,12 @@ async function main() {
 
   // static coverage of every write entry point
   const guard = readFileSync("src/server/action-guard.ts", "utf8");
-  ok(/assertModuleEnabled\(session, moduleKey\);[\s\S]*await assertTenantWritable\(session\.user\.tenantId\);[\s\S]*return \{ session, db/.test(guard), "moduleGuard: Schreibsperre für alle Modul-Actions (inkl. Lotse, Uploads per Action)");
+  ok(/assertModuleEnabled\(session, moduleKey\);[\s\S]*if \(!opts\.read\) await assertTenantWritable\(session\.user\.tenantId\);[\s\S]*return \{ session, db/.test(guard), "moduleGuard: Schreibsperre für alle Modul-Actions (inkl. Lotse, Uploads per Action)");
+  const actionFiles = walk("src/server/actions").filter((f) => f.endsWith(".ts"));
+  ok(actionFiles.every((f) => !/moduleGuard\([^)]*read\s*:/.test(readFileSync(f, "utf8"))), "keine Server-Action nutzt den Lese-Modus des Guards");
+  const readUsers = walk("src").filter((f) => /\.tsx?$/.test(f) && /moduleGuard\([^)]*read\s*:\s*true/.test(readFileSync(f, "utf8"))).sort();
+  ok(JSON.stringify(readUsers) === JSON.stringify(["src/app/(app)/imports/[id]/file/route.ts", "src/app/(field)/m/emergency/page.tsx", "src/server/services/field/page-context.ts"]), `Lese-Modus nur in Seitenkontexten/GET-Download (${readUsers.join(", ")})`);
+  ok(readFileSync("scripts/check-module-guards.ts", "utf8").includes("nur für Lesepfade erlaubt"), "Guard-Check verbietet den Lese-Modus in Actions");
   const context = readFileSync("src/server/api/context.ts", "utf8");
   ok(/enforceApiRateLimit\(session\.user\.id, moduleKey\);\s*await assertApiWriteAllowed\(tenantId\);/.test(context), "requireApiContext: Schreibsperre für jede /api/v1-Mutation");
   const routes = walk("src/app/api/v1").filter((f) => f.endsWith("route.ts"));
diff --git a/src/app/(app)/imports/[id]/file/route.ts b/src/app/(app)/imports/[id]/file/route.ts
index 9455cef..aa6e3ac 100644
--- a/src/app/(app)/imports/[id]/file/route.ts
+++ b/src/app/(app)/imports/[id]/file/route.ts
@@ -15,7 +15,7 @@ const INLINE = new Set(["application/pdf", "image/jpeg", "image/png"]);
 export async function GET(req: Request, { params }: { params: Promise<{ id: string }> }) {
   let file: { storageKey: string; mimeType: string; fileName: string };
   try {
-    const ctx = ctxFromGuard(await moduleGuard("imports")("import:write"));
+    const ctx = ctxFromGuard(await moduleGuard("imports", { read: true })("import:write")); // L15: GET download — no trial write lock
     const { id } = await params;
     file = await getImportFile(ctx, id);
   } catch {
diff --git a/src/app/(field)/m/emergency/page.tsx b/src/app/(field)/m/emergency/page.tsx
index f96b880..6996e2d 100644
--- a/src/app/(field)/m/emergency/page.tsx
+++ b/src/app/(field)/m/emergency/page.tsx
@@ -6,7 +6,7 @@ import { EmergencyWizard } from "@/components/emergency/emergency-wizard";
 
 /** `/m/emergency` — Notdienst erfassen (spec §19.2, US-010): max. 3 steps, then straight into the call-out. */
 export default async function EmergencyPage() {
-  const ctx = ctxFromGuard(await moduleGuard("emergency")());
+  const ctx = ctxFromGuard(await moduleGuard("emergency", { read: true })()); // L15: read path — no trial write lock
   const t = await getTranslations("emergency.capture");
   if (!can(ctx, "emergency:create") || !can(ctx, "field:execute")) {
     return <p className="p-4 text-[15px]">{t("noAccess")}</p>;
diff --git a/src/server/action-guard.ts b/src/server/action-guard.ts
index b0797fb..048f62d 100644
--- a/src/server/action-guard.ts
+++ b/src/server/action-guard.ts
@@ -27,7 +27,10 @@ import { assertTenantWritable } from "@/server/services/trial/state";
  * Der Vollständigkeitscheck (`scripts/check-module-guards.ts`) verlässt sich darauf,
  * dass jede Action eines gegateten Moduls über einen so erzeugten `guard(...)` läuft.
  */
-export function moduleGuard(moduleKey: string) {
+export function moduleGuard(moduleKey: string, opts: { read?: boolean } = {}) {
+  // L15 Testphase: `{ read: true }` nur für Lesepfade (Seitenkontexte, GET-Downloads), die denselben
+  // DB-autoritativen Guard nutzen — dort greift die Schreibsperre abgelaufener Testmandanten nicht.
+  // scripts/check-module-guards.ts verbietet den Lese-Modus in Action-Dateien.
   return async function guard(...permissions: Permission[]) {
     const session = await requireSession();
     const db = dbForTenant(session.user.tenantId);
@@ -86,7 +89,7 @@ export function moduleGuard(moduleKey: string) {
     await assertModuleEnabled(session, moduleKey);
     // L15 Testphase: abgelaufene Testmandanten sind nur lesbar — zentrale Schreibsperre
     // (wirft ServiceError "blocked"/"trial_expired").
-    await assertTenantWritable(session.user.tenantId);
+    if (!opts.read) await assertTenantWritable(session.user.tenantId);
     // `permissions` = DB-authoritative effective set; domain services derive their
     // scope decisions from it (src/server/services/context.ts#ctxFromGuard).
     return { session, db, permissions: effective as ReadonlySet<string> };
diff --git a/src/server/services/field/page-context.ts b/src/server/services/field/page-context.ts
index d77b137..39c6d7c 100644
--- a/src/server/services/field/page-context.ts
+++ b/src/server/services/field/page-context.ts
@@ -7,7 +7,7 @@ import { can, ctxFromGuard, type ServiceCtx } from "@/server/services/context";
  * the visibility scopes of the services.
  */
 export async function fieldPageContext(): Promise<ServiceCtx> {
-  return ctxFromGuard(await moduleGuard("field")());
+  return ctxFromGuard(await moduleGuard("field", { read: true })()); // L15: read path — no trial write lock
 }
 
 export function canUseFieldApp(ctx: ServiceCtx): boolean {