feat(db): mesh data model — meshes, members, invites, audit log

- pgSchema "mesh" with 4 tables isolating the peer mesh domain
- Enums: visibility, transport, tier, role
- audit_log is metadata-only (E2E encryption enforced at broker/client)
- Cascade on mesh delete, soft-delete via archivedAt/revokedAt

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/src/app/[locale]/dashboard/(user)/page.tsx

@@ -0,0 +1,67 @@
+"use client";
+
+import { useTranslation } from "@turbostarter/i18n";
+import { Card, CardContent, CardHeader, CardTitle } from "@turbostarter/ui-web/card";
+import { Icons } from "@turbostarter/ui-web/icons";
+
+/**
+ * Dashboard Home Page
+ *
+ * Welcome page for authenticated users.
+ */
+export default function DashboardPage() {
+  const { t } = useTranslation("dashboard");
+
+  return (
+    <div className="@container h-full p-6">
+      <div className="space-y-6">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">
+            {t("welcome.title", { defaultValue: "Welcome to your Dashboard" })}
+          </h1>
+          <p className="text-muted-foreground">
+            {t("welcome.description", { defaultValue: "Get started by exploring the features below." })}
+          </p>
+        </div>
+
+        <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-3">
+          <Card>
+            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+              <CardTitle className="text-sm font-medium">{t("features.aiChat.title", { defaultValue: "AI Chat" })}</CardTitle>
+              <Icons.MessageSquare className="h-4 w-4 text-muted-foreground" />
+            </CardHeader>
+            <CardContent>
+              <p className="text-xs text-muted-foreground">
+                {t("features.aiChat.description", { defaultValue: "Have a conversation with AI assistants" })}
+              </p>
+            </CardContent>
+          </Card>
+
+          <Card>
+            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+              <CardTitle className="text-sm font-medium">{t("features.imageGeneration.title", { defaultValue: "Image Generation" })}</CardTitle>
+              <Icons.Image className="h-4 w-4 text-muted-foreground" />
+            </CardHeader>
+            <CardContent>
+              <p className="text-xs text-muted-foreground">
+                {t("features.imageGeneration.description", { defaultValue: "Create images with AI" })}
+              </p>
+            </CardContent>
+          </Card>
+
+          <Card>
+            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+              <CardTitle className="text-sm font-medium">{t("features.pdfAnalysis.title", { defaultValue: "PDF Analysis" })}</CardTitle>
+              <Icons.FileText className="h-4 w-4 text-muted-foreground" />
+            </CardHeader>
+            <CardContent>
+              <p className="text-xs text-muted-foreground">
+                {t("features.pdfAnalysis.description", { defaultValue: "Upload and analyze PDF documents" })}
+              </p>
+            </CardContent>
+          </Card>
+        </div>
+      </div>
+    </div>
+  );
+}