Hermetiska integrationstester + auto-hushall i onboarding (size, i18n, locations)

apps/api/src/lib/helpers.ts

@@ -47,6 +47,41 @@ export async function requireMembership(
   return { role: member.role, portionFactor: member.portionFactor };
 }
 
+/** Skapa hushåll med standard-förvaringsplatser (spec §7–8). Återanvänds av
+ * både POST /v1/households och onboarding auto-create. */
+export async function createHouseholdWithDefaults(
+  db: Database,
+  {
+    userId,
+    name,
+    size,
+  }: {
+    userId: string;
+    name: string;
+    size?: number;
+  },
+): Promise<{ id: string; name: string }> {
+  const [household] = await db
+    .insert(schema.households)
+    .values({
+      name,
+      inviteCode: generateInviteCode(),
+      size: size ?? null,
+    })
+    .returning();
+  await db.insert(schema.householdMembers).values({
+    householdId: household!.id,
+    userId,
+    role: "owner",
+  });
+  await db.insert(schema.storageLocations).values([
+    { householdId: household!.id, type: "fridge", name: "Kylen", sortOrder: 0 },
+    { householdId: household!.id, type: "freezer", name: "Frysen", sortOrder: 1 },
+    { householdId: household!.id, type: "pantry", name: "Skafferiet", sortOrder: 2 },
+  ]);
+  return { id: household!.id, name: household!.name };
+}
+
 /** Hämta användarens aktiva hushåll (första medlemskapet) eller null. */
 export async function getActiveHouseholdId(db: Database, userId: string): Promise<string | null> {
   const [member] = await db

apps/api/src/lib/i18n.ts

@@ -0,0 +1,31 @@
+import { readFileSync } from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+const cache: Record<string, Record<string, string>> = {};
+
+/**
+ * Minimal server-side i18n lookup into the mobile app's common.json files.
+ * Falls back to the requested key if the translation is missing.
+ */
+export function t(key: string, languageTag: string): string {
+  const lang = (languageTag.split("-")[0] ?? languageTag).toLowerCase();
+  let dict = cache[lang];
+  if (!dict) {
+    try {
+      const file = path.resolve(
+        __dirname,
+        "../../../../apps/mobile/src/locales",
+        lang,
+        "common.json",
+      );
+      dict = JSON.parse(readFileSync(file, "utf8")) as Record<string, string>;
+    } catch {
+      dict = {};
+    }
+    cache[lang] = dict;
+  }
+  return dict[key] ?? key;
+}

apps/api/src/routes/households.ts

@@ -13,7 +13,13 @@ import {
 } from "@app/validation";
 import { loadEntitlements } from "../lib/entitlements.js";
 import { errors, parse } from "../lib/errors.js";
-import { audit, emitEvent, generateInviteCode, requireMembership } from "../lib/helpers.js";
+import {
+  audit,
+  createHouseholdWithDefaults,
+  emitEvent,
+  generateInviteCode,
+  requireMembership,
+} from "../lib/helpers.js";
 
 /** Hushåll (spec §7): delat lager/plan/lista, individuella mål och roller. */
 export async function householdRoutes(app: FastifyInstance) {
@@ -34,23 +40,20 @@ export async function householdRoutes(app: FastifyInstance) {
 
   app.post("/v1/households", auth, async (req, reply) => {
     const input = parse(createHouseholdInputSchema, req.body);
-    const [household] = await app.db
-      .insert(schema.households)
-      .values({
-        name: input.name,
-        inviteCode: generateInviteCode(),
-        weeklyBudgetMinor: input.weeklyBudgetMinor ?? null,
-        ...(input.currencyCode ? { currencyCode: input.currencyCode } : {}),
-      })
-      .returning();
-    await app.db
-      .insert(schema.householdMembers)
-      .values({ householdId: household!.id, userId: req.userId, role: "owner" });
-    await app.db.insert(schema.storageLocations).values([
-      { householdId: household!.id, type: "fridge", name: "Kylen", sortOrder: 0 },
-      { householdId: household!.id, type: "freezer", name: "Frysen", sortOrder: 1 },
-      { householdId: household!.id, type: "pantry", name: "Skafferiet", sortOrder: 2 },
-    ]);
+    const household = await createHouseholdWithDefaults(app.db, {
+      userId: req.userId,
+      name: input.name,
+    });
+    if (input.weeklyBudgetMinor != null || input.currencyCode) {
+      await app.db
+        .update(schema.households)
+        .set({
+          weeklyBudgetMinor: input.weeklyBudgetMinor ?? null,
+          ...(input.currencyCode ? { currencyCode: input.currencyCode } : {}),
+          updatedAt: new Date(),
+        })
+        .where(eq(schema.households.id, household.id));
+    }
     return reply.status(201).send(household);
   });
 

apps/api/src/routes/onboarding.ts

@@ -4,7 +4,13 @@ import { z } from "zod";
 import { schema } from "@app/database";
 import { quickStartInputSchema, onboardingInputSchema } from "@app/validation";
 import { errors, parse } from "../lib/errors.js";
-import { audit, generateInviteCode, getActiveHouseholdId } from "../lib/helpers.js";
+import {
+  audit,
+  createHouseholdWithDefaults,
+  getActiveHouseholdId,
+} from "../lib/helpers.js";
+
+import { t } from "../lib/i18n.js";
 import { KNOWN_FLAGS } from "@app/feature-flags";
 
 /**
@@ -87,6 +93,24 @@ export async function onboardingRoutes(app: FastifyInstance) {
         },
       });
 
+    // Auto-create a household so the user can scan, shop, plan and budget
+    // immediately instead of hitting the "no household" wall in 21 endpoints.
+    let householdId = await getActiveHouseholdId(app.db, req.userId);
+    if (!householdId) {
+      const [user] = await app.db
+        .select({ locale: schema.users.locale })
+        .from(schema.users)
+        .where(eq(schema.users.id, req.userId))
+        .limit(1);
+      const householdName = t("onboarding.householdDefaultName", user?.locale ?? "sv-SE");
+      const household = await createHouseholdWithDefaults(app.db, {
+        userId: req.userId,
+        name: householdName,
+        size: input.persons,
+      });
+      householdId = household.id;
+    }
+
     // Advance to step B
     const [user] = await app.db
       .update(schema.users)
@@ -101,7 +125,7 @@ export async function onboardingRoutes(app: FastifyInstance) {
     await audit(app.db, {
       actorUserId: req.userId,
       action: "onboarding.quick_start",
-      metadata: { goals, primaryGoal, precisionMode: input.precisionMode },
+      metadata: { goals, primaryGoal, precisionMode: input.precisionMode, householdId },
       ip: req.ip,
       correlationId: req.correlationId,
     });
@@ -110,6 +134,7 @@ export async function onboardingRoutes(app: FastifyInstance) {
       ok: true,
       step: user!.onboardingStep,
       onboardingCompleted: user!.onboardingCompleted,
+      householdId,
     };
   });
 
@@ -128,22 +153,20 @@ export async function onboardingRoutes(app: FastifyInstance) {
     }
 
     let householdId: string | null = await getActiveHouseholdId(app.db, req.userId);
-    if (input.householdChoice.kind === "create" && !householdId) {
-      const [household] = await app.db
-        .insert(schema.households)
-        .values({ name: input.householdChoice.name, inviteCode: generateInviteCode() })
-        .returning();
-      await app.db.insert(schema.householdMembers).values({
-        householdId: household!.id,
-        userId: req.userId,
-        role: "owner",
-      });
-      await app.db.insert(schema.storageLocations).values([
-        { householdId: household!.id, type: "fridge", name: "Kylen", sortOrder: 0 },
-        { householdId: household!.id, type: "freezer", name: "Frysen", sortOrder: 1 },
-        { householdId: household!.id, type: "pantry", name: "Skafferiet", sortOrder: 2 },
-      ]);
-      householdId = household!.id;
+    if (input.householdChoice.kind === "create") {
+      if (householdId) {
+        // Auto-created household already exists; update name if user provided a custom one.
+        await app.db
+          .update(schema.households)
+          .set({ name: input.householdChoice.name, updatedAt: new Date() })
+          .where(eq(schema.households.id, householdId));
+      } else {
+        const household = await createHouseholdWithDefaults(app.db, {
+          userId: req.userId,
+          name: input.householdChoice.name,
+        });
+        householdId = household.id;
+      }
     } else if (input.householdChoice.kind === "join") {
       const [household] = await app.db
         .select()