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vitest.config.ts

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+import { defineConfig } from "vitest/config";
+
+/** Couverture ciblée packages métier ; le front `apps/web` est couvert par e2e / Lighthouse / axe (réintégrer ici quand des tests Vitest UI seront ajoutés). */
+const coverageInclude = ["packages/features/**/src/**/*.ts", "packages/shared/**/src/**/*.ts"];
+
+const coverageExclude = [
+  "**/*.unit.test.ts",
+  "**/*.int.test.ts",
+  "**/*.e2e.ts",
+  "**/*.config.*",
+  "**/types/**"
+];
+
+export default defineConfig({
+  test: {
+    projects: [
+      {
+        test: {
+          name: "unit",
+          include: ["**/*.unit.test.ts"]
+        }
+      },
+      {
+        test: {
+          name: "integration",
+          include: ["**/*.int.test.ts"]
+        }
+      }
+    ],
+    coverage: {
+      provider: "v8",
+      reportsDirectory: "./coverage",
+      reporter: ["text", "json-summary", "lcov"],
+      include: coverageInclude,
+      exclude: coverageExclude,
+      thresholds: {
+        lines: 15,
+        branches: 40,
+        functions: 35,
+        statements: 15
+      }
+    }
+  }
+});