Build the Solaire inventory intelligence MVP

Add the tenant-ready dashboard, freshness and pricing analytics, mock integration adapters, persistence schema, and verification tooling needed for the initial pilot.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/recommendations.test.ts

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+import { describe, expect, it } from "vitest";
+import { getDashboardData } from "@/domain/analytics";
+import { marginPercent } from "@/domain/recommendations";
+
+describe("pricing recommendations", () => {
+  const data = getDashboardData();
+
+  it("protects every product margin floor", () => {
+    for (const recommendation of data.recommendations) {
+      const product = data.inventory.find((item) => item.productId === recommendation.productId)!.product;
+      expect(marginPercent(product, recommendation.recommendedLow))
+        .toBeGreaterThanOrEqual(product.marginFloorPercent - 0.01);
+    }
+  });
+
+  it("provides explanations and bounded ranges", () => {
+    for (const recommendation of data.recommendations) {
+      expect(recommendation.reason.length).toBeGreaterThan(20);
+      expect(recommendation.recommendedHigh).toBeGreaterThanOrEqual(recommendation.recommendedLow);
+      expect(recommendation.recommendedHigh).toBeLessThanOrEqual(recommendation.currentPrice);
+    }
+  });
+
+  it("contains actionable aging-stock recommendations", () => {
+    expect(data.recommendations.some((item) => item.type === "markdown")).toBe(true);
+    expect(data.recommendations.some((item) => item.type === "promotion")).toBe(true);
+  });
+});