init: lab project bootstrapped from isletmem-kovakcrm

- CRM domain modules removed (customers, services, software, calendar, tasks, invoices, leads, finance, etc.)
- DLS branding: package name=lab, logo wordmark, sidebar nav, header CTA
- Tenant layer extended with kind dimension (lab|clinic) + requireTenantKind helper
- Schema rewritten for DLS domain: jobs, job_files, job_status_history, prosthetics, connections, finance_entries, notifications
- Onboarding form: clinic/lab account-type selection + auto-generated memberNumber
- Placeholder routes for jobs/{inbound,outbound,new}, products, finance, connections
- PDF spec + spec.md under belgeler/
- db: lab database + 13 collections + indexes + storage bucket (job-files) provisioned via Appwrite MCP

Ref: belgeler/dls-ui-tasarim.pdf

src/lib/appwrite/active-context.ts

@@ -0,0 +1,44 @@
+import "server-only";
+
+import { Query } from "node-appwrite";
+
+import { createAdminClient, getCurrentUser } from "./server";
+import { DATABASE_ID, TABLES, type TenantSettings } from "./schema";
+import { getActiveTenantId, getUserTeams } from "./tenant";
+
+export type ActiveContext = {
+  user: { id: string; name: string; email: string };
+  tenantId: string;
+  settings: TenantSettings | null;
+};
+
+export async function getActiveContext(): Promise<ActiveContext | null> {
+  const user = await getCurrentUser();
+  if (!user) return null;
+
+  let tenantId = await getActiveTenantId();
+  if (!tenantId) {
+    const teams = await getUserTeams();
+    tenantId = teams?.teams[0]?.$id ?? null;
+  }
+  if (!tenantId) return null;
+
+  let settings: TenantSettings | null = null;
+  try {
+    const { tablesDB } = createAdminClient();
+    const result = await tablesDB.listRows({
+      databaseId: DATABASE_ID,
+      tableId: TABLES.tenantSettings,
+      queries: [Query.equal("tenantId", tenantId), Query.limit(1)],
+    });
+    settings = (result.rows[0] as unknown as TenantSettings) ?? null;
+  } catch {
+    settings = null;
+  }
+
+  return {
+    user: { id: user.$id, name: user.name, email: user.email },
+    tenantId,
+    settings,
+  };
+}