feat: add module database ABI v1 adapters

packages/module-database/tests/architecture.test.ts

@@ -0,0 +1,46 @@
+import { readFile } from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { describe, expect, it } from "vitest";
+
+const packageRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+const workspaceRoot = path.resolve(packageRoot, "..", "..");
+
+async function text(relative: string): Promise<string> {
+  return readFile(path.resolve(workspaceRoot, relative), "utf8");
+}
+
+describe("the module-side database architecture", () => {
+  it("keeps the Drizzle adapter free of Core, pg, and Core-owned Drizzle types", async () => {
+    const source = await text("packages/module-database/src/drizzle.ts");
+    expect(source).not.toMatch(/@ekklesia\/core|from ["']pg["']|node-postgres/u);
+    expect(source).not.toMatch(/NodePgDatabase|NodePgTransaction/u);
+    expect(source).toContain("@ekklesia/contracts");
+    expect(source).toContain("drizzle-orm/pg-proxy");
+  });
+
+  it("keeps ABI v1 contracts free of ORM imports", async () => {
+    const source = await text("packages/contracts/src/module-database-abi.ts");
+    expect(source).not.toMatch(/(?:import|export).*drizzle-orm/u);
+    expect(source).not.toMatch(/(?:import|export).*kysely/u);
+    expect(source).not.toMatch(/(?:import|export).*\bpg\b/u);
+  });
+
+  it("makes Drizzle an optional ranged peer and keeps raw SQL independent from it", async () => {
+    const manifest = JSON.parse(await text("packages/module-database/package.json")) as Record<
+      string,
+      Record<string, string>
+    >;
+    expect(manifest.dependencies).not.toHaveProperty("drizzle-orm");
+    expect(manifest.peerDependencies?.["drizzle-orm"]).toBe(">=0.45.2 <0.46.0");
+    expect(manifest.peerDependenciesMeta?.["drizzle-orm"]).toEqual({ optional: true });
+
+    const rawSource = await text("packages/module-database/src/index.ts");
+    expect(rawSource).not.toContain("drizzle-orm");
+  });
+
+  it("does not introduce an adapter dependency into Core", async () => {
+    const manifest = await text("core/package.json");
+    expect(manifest).not.toContain("@ekklesia/module-database");
+  });
+});