Fas 2 steg 3: Household Trust Score (admin + i18n status i appen)

apps/api/src/routes/admin.ts

@@ -1,11 +1,12 @@
 import type { FastifyInstance } from "fastify";
-import { and, desc, eq, ilike, sql } from "drizzle-orm";
+import { and, desc, eq, ilike, isNull, sql } from "drizzle-orm";
 import { schema } from "@app/database";
 import { z } from "zod";
 import { adminGrantInputSchema, totpCodeInputSchema } from "@app/validation";
 import { errors, parse } from "../lib/errors.js";
 import { audit } from "../lib/helpers.js";
 import { generateTotpSecret, otpauthUrl, verifyTotp } from "../lib/totp.js";
+import { householdTrustScore } from "@app/inventory-engine";
 import { BRAND } from "@app/shared-types";
 
 /** Adminpanelens API (spec §57). Alla anrop kräver admin-roll och auditloggas. */
@@ -167,6 +168,58 @@ export async function adminRoutes(app: FastifyInstance) {
     return sub;
   });
 
+  // --- Household trust score (Fas 2 §5.3) ---
+  app.get("/admin/v1/households/:id/trust", admin, async (req) => {
+    const params = z.object({ id: z.uuid() }).parse(req.params);
+
+    const items = await app.db
+      .select()
+      .from(schema.inventoryItems)
+      .where(
+        and(
+          eq(schema.inventoryItems.householdId, params.id),
+          isNull(schema.inventoryItems.depletedAt),
+        ),
+      );
+
+    const thirtyDaysAgo = new Date(Date.now() - 30 * 86_400_000);
+    const txStats = await app.db
+      .select({
+        total: sql<number>`count(*)`,
+        adjustments: sql<number>`count(*) FILTER (WHERE ${schema.inventoryTransactions.type} = 'adjust')`,
+      })
+      .from(schema.inventoryTransactions)
+      .where(
+        and(
+          eq(schema.inventoryTransactions.householdId, params.id),
+          sql`${schema.inventoryTransactions.createdAt} >= ${thirtyDaysAgo}`,
+        ),
+      );
+
+    const result = householdTrustScore(
+      {
+        items: items.map((i) => ({
+          confidence: i.confidence,
+          verifiedByUser: i.verifiedByUser,
+          lastVerifiedAt: i.lastVerifiedAt,
+          quantity: i.quantity,
+          updatedAt: i.updatedAt,
+          depletedAt: i.depletedAt,
+        })),
+        correctionCount30d: Number(txStats[0]?.adjustments ?? 0),
+        transactionCount30d: Number(txStats[0]?.total ?? 0),
+      },
+      new Date(),
+    );
+
+    return {
+      householdId: params.id,
+      score: result.score,
+      status: result.status,
+      itemCount: items.length,
+    };
+  });
+
   // --- Jobb & systemhälsa (spec §57–58) ---
   app.get("/admin/v1/jobs/overview", admin, async () => {
     const scanStats = await app.db

apps/api/src/routes/inventory.ts

@@ -1,5 +1,5 @@
 import type { FastifyInstance } from "fastify";
-import { and, desc, eq, gt, ilike, isNull, or } from "drizzle-orm";
+import { and, desc, eq, gt, ilike, isNull, or, sql } from "drizzle-orm";
 import { schema } from "@app/database";
 import {
   createInventoryItemInputSchema,
@@ -8,9 +8,20 @@ import {
   inventoryTransactionInputSchema,
   updateInventoryItemInputSchema,
 } from "@app/validation";
-import { classifyExpiry, findDuplicateCandidates, normalizeDelta, computeTrust } from "@app/inventory-engine";
+import {
+  classifyExpiry,
+  findDuplicateCandidates,
+  normalizeDelta,
+  computeTrust,
+  householdTrustScore,
+} from "@app/inventory-engine";
 import { errors, parse } from "../lib/errors.js";
-import { emitEvent, getActiveDecayProfile, requireActiveHousehold, requireMembership } from "../lib/helpers.js";
+import {
+  emitEvent,
+  getActiveDecayProfile,
+  requireActiveHousehold,
+  requireMembership,
+} from "../lib/helpers.js";
 
 /**
  * Food Twin – lagret (spec §8). Transaktionsbaserat: varje förändring skrivs
@@ -98,7 +109,34 @@ export async function inventoryRoutes(app: FastifyInstance) {
     const filtered = query.expiryStatus
       ? items.filter((i) => i.expiry.status === query.expiryStatus)
       : items;
-    return { items: filtered };
+
+    const thirtyDaysAgo = new Date(Date.now() - 30 * 86_400_000);
+    const txStats = await app.db
+      .select({
+        total: sql<number>`count(*)`,
+        adjustments: sql<number>`count(*) FILTER (WHERE ${schema.inventoryTransactions.type} = 'adjust')`,
+      })
+      .from(schema.inventoryTransactions)
+      .where(
+        and(
+          eq(schema.inventoryTransactions.householdId, householdId),
+          sql`${schema.inventoryTransactions.createdAt} >= ${thirtyDaysAgo}`,
+        ),
+      );
+
+    const householdTrust = householdTrustScore(
+      {
+        items: rows.map((r) => r.item),
+        correctionCount30d: Number(txStats[0]?.adjustments ?? 0),
+        transactionCount30d: Number(txStats[0]?.total ?? 0),
+      },
+      new Date(),
+    );
+
+    return {
+      items: filtered,
+      trustStatus: householdTrust.status,
+    };
   });
 
   /** Varor som bör användas snart – driver "använd först" (spec §4.4, §40). */