diff --git a/express/app.ts b/express/app.ts
index eb044aa..66c26fd 100644
--- a/express/app.ts
+++ b/express/app.ts
@@ -3,13 +3,13 @@ import express, {
     type Response as ExpressResponse,
 } from "express";
 import { match } from "path-to-regexp";
-import { Session } from "./auth";
-import { cli } from "./cli";
-import { contentTypes } from "./content-types";
-import { runWithContext } from "./context";
-import { core } from "./core";
-import { httpCodes } from "./http-codes";
-import { request } from "./request";
+import { Session } from "./diachron/auth";
+import { cli } from "./diachron/cli";
+import { contentTypes } from "./diachron/content-types";
+import { runWithContext } from "./diachron/context";
+import { core } from "./diachron/core";
+import { httpCodes } from "./diachron/http-codes";
+import { request } from "./diachron/request";
 import { routes } from "./routes";
 
 // import { URLPattern } from 'node:url';
@@ -25,7 +25,7 @@ import {
     type ProcessedRoute,
     type Result,
     type Route,
-} from "./types";
+} from "./diachron/types";
 
 const app = express();
 
diff --git a/express/auth/index.ts b/express/diachron/auth/index.ts
similarity index 100%
rename from express/auth/index.ts
rename to express/diachron/auth/index.ts
diff --git a/express/auth/password.spec.ts b/express/diachron/auth/password.spec.ts
similarity index 100%
rename from express/auth/password.spec.ts
rename to express/diachron/auth/password.spec.ts
diff --git a/express/auth/password.ts b/express/diachron/auth/password.ts
similarity index 100%
rename from express/auth/password.ts
rename to express/diachron/auth/password.ts
diff --git a/express/auth/routes.ts b/express/diachron/auth/routes.ts
similarity index 100%
rename from express/auth/routes.ts
rename to express/diachron/auth/routes.ts
diff --git a/express/auth/service.spec.ts b/express/diachron/auth/service.spec.ts
similarity index 100%
rename from express/auth/service.spec.ts
rename to express/diachron/auth/service.spec.ts
diff --git a/express/auth/service.ts b/express/diachron/auth/service.ts
similarity index 100%
rename from express/auth/service.ts
rename to express/diachron/auth/service.ts
diff --git a/express/auth/store.spec.ts b/express/diachron/auth/store.spec.ts
similarity index 100%
rename from express/auth/store.spec.ts
rename to express/diachron/auth/store.spec.ts
diff --git a/express/auth/store.ts b/express/diachron/auth/store.ts
similarity index 100%
rename from express/auth/store.ts
rename to express/diachron/auth/store.ts
diff --git a/express/auth/token.spec.ts b/express/diachron/auth/token.spec.ts
similarity index 100%
rename from express/auth/token.spec.ts
rename to express/diachron/auth/token.spec.ts
diff --git a/express/auth/token.ts b/express/diachron/auth/token.ts
similarity index 100%
rename from express/auth/token.ts
rename to express/diachron/auth/token.ts
diff --git a/express/auth/types.spec.ts b/express/diachron/auth/types.spec.ts
similarity index 100%
rename from express/auth/types.spec.ts
rename to express/diachron/auth/types.spec.ts
diff --git a/express/auth/types.ts b/express/diachron/auth/types.ts
similarity index 100%
rename from express/auth/types.ts
rename to express/diachron/auth/types.ts
diff --git a/express/basic/login.spec.ts b/express/diachron/basic/login.spec.ts
similarity index 100%
rename from express/basic/login.spec.ts
rename to express/diachron/basic/login.spec.ts
diff --git a/express/basic/login.ts b/express/diachron/basic/login.ts
similarity index 100%
rename from express/basic/login.ts
rename to express/diachron/basic/login.ts
diff --git a/express/basic/logout.spec.ts b/express/diachron/basic/logout.spec.ts
similarity index 100%
rename from express/basic/logout.spec.ts
rename to express/diachron/basic/logout.spec.ts
diff --git a/express/basic/logout.ts b/express/diachron/basic/logout.ts
similarity index 100%
rename from express/basic/logout.ts
rename to express/diachron/basic/logout.ts
diff --git a/express/basic/routes.spec.ts b/express/diachron/basic/routes.spec.ts
similarity index 100%
rename from express/basic/routes.spec.ts
rename to express/diachron/basic/routes.spec.ts
diff --git a/express/basic/routes.ts b/express/diachron/basic/routes.ts
similarity index 96%
rename from express/basic/routes.ts
rename to express/diachron/basic/routes.ts
index 4511e7c..4bd898e 100644
--- a/express/basic/routes.ts
+++ b/express/diachron/basic/routes.ts
@@ -1,5 +1,5 @@
 import { DateTime } from "ts-luxon";
-import { get, User } from "../diachron/hydrators/user";
+import { get, User } from "../hydrators/user";
 import { request } from "../request";
 import { html, render } from "../request/util";
 import type { Call, Result, Route } from "../types";
diff --git a/express/cli.ts b/express/diachron/cli.ts
similarity index 100%
rename from express/cli.ts
rename to express/diachron/cli.ts
diff --git a/express/content-types.ts b/express/diachron/content-types.ts
similarity index 100%
rename from express/content-types.ts
rename to express/diachron/content-types.ts
diff --git a/express/context.ts b/express/diachron/context.ts
similarity index 100%
rename from express/context.ts
rename to express/diachron/context.ts
diff --git a/express/core/index.ts b/express/diachron/core/index.ts
similarity index 100%
rename from express/core/index.ts
rename to express/diachron/core/index.ts
diff --git a/express/database.spec.ts b/express/diachron/database.spec.ts
similarity index 100%
rename from express/database.spec.ts
rename to express/diachron/database.spec.ts
diff --git a/express/database.ts b/express/diachron/database.ts
similarity index 100%
rename from express/database.ts
rename to express/diachron/database.ts
diff --git a/express/deps.ts b/express/diachron/deps.ts
similarity index 100%
rename from express/deps.ts
rename to express/diachron/deps.ts
diff --git a/express/develop/clear-db.ts b/express/diachron/develop/clear-db.ts
similarity index 100%
rename from express/develop/clear-db.ts
rename to express/diachron/develop/clear-db.ts
diff --git a/express/develop/reset-db.ts b/express/diachron/develop/reset-db.ts
similarity index 100%
rename from express/develop/reset-db.ts
rename to express/diachron/develop/reset-db.ts
diff --git a/express/develop/util.ts b/express/diachron/develop/util.ts
similarity index 100%
rename from express/develop/util.ts
rename to express/diachron/develop/util.ts
diff --git a/express/execution-context-schema.ts b/express/diachron/execution-context-schema.ts
similarity index 100%
rename from express/execution-context-schema.ts
rename to express/diachron/execution-context-schema.ts
diff --git a/express/execution-context.spec.ts b/express/diachron/execution-context.spec.ts
similarity index 100%
rename from express/execution-context.spec.ts
rename to express/diachron/execution-context.spec.ts
diff --git a/express/execution-context.ts b/express/diachron/execution-context.ts
similarity index 100%
rename from express/execution-context.ts
rename to express/diachron/execution-context.ts
diff --git a/express/extensible.ts b/express/diachron/extensible.ts
similarity index 100%
rename from express/extensible.ts
rename to express/diachron/extensible.ts
diff --git a/express/handlers.spec.ts b/express/diachron/handlers.spec.ts
similarity index 100%
rename from express/handlers.spec.ts
rename to express/diachron/handlers.spec.ts
diff --git a/express/handlers.ts b/express/diachron/handlers.ts
similarity index 100%
rename from express/handlers.ts
rename to express/diachron/handlers.ts
diff --git a/express/http-codes.ts b/express/diachron/http-codes.ts
similarity index 100%
rename from express/http-codes.ts
rename to express/diachron/http-codes.ts
diff --git a/express/diachron/hydrators/hydrator.ts b/express/diachron/hydrators/hydrator.ts
index 5445365..e2fe8e3 100644
--- a/express/diachron/hydrators/hydrator.ts
+++ b/express/diachron/hydrators/hydrator.ts
@@ -1,6 +1,6 @@
 import { Kysely, PostgresDialect } from "kysely";
 import { Pool } from "pg";
-import { connectionConfig } from "../../database";
+import { connectionConfig } from "../database";
 import type { DB } from "../../generated/db";
 
 const db = new Kysely<DB>({
diff --git a/express/diachron/hydrators/index.ts b/express/diachron/hydrators/index.ts
new file mode 100644
index 0000000..65d08f4
--- /dev/null
+++ b/express/diachron/hydrators/index.ts
@@ -0,0 +1 @@
+export type Hydrators = {};
diff --git a/express/diachron/hydrators/tests/setup.ts b/express/diachron/hydrators/tests/setup.ts
index 1140f0e..df86679 100644
--- a/express/diachron/hydrators/tests/setup.ts
+++ b/express/diachron/hydrators/tests/setup.ts
@@ -2,7 +2,7 @@
 // Run: DB_PORT=5433 DB_USER=diachron_test DB_PASSWORD=diachron_test DB_NAME=diachron_test npx tsx --test tests/*.test.ts
 
 import { Pool } from "pg";
-import { connectionConfig, migrate } from "../../../database";
+import { connectionConfig, migrate } from "../../database";
 
 const pool = new Pool(connectionConfig);
 
diff --git a/express/diachron/hydrators/user.ts b/express/diachron/hydrators/user.ts
new file mode 100644
index 0000000..865c4bc
--- /dev/null
+++ b/express/diachron/hydrators/user.ts
@@ -0,0 +1,59 @@
+import {
+    ColumnType,
+    Generated,
+    Insertable,
+    JSONColumnType,
+    Selectable,
+    Updateable,
+} from "kysely";
+import type { TypeID } from "typeid-js";
+import { z } from "zod";
+import { db, Hydrator } from "./hydrator";
+
+const parser = z.object({
+    // id: z.uuidv7(),
+    id: z.uuid(),
+    display_name: z.string(),
+    // FIXME: status is duplicated elsewhere
+    status: z.union([
+        z.literal("active"),
+        z.literal("suspended"),
+        z.literal("pending"),
+    ]),
+    email: z.email(),
+});
+
+const tp = parser.parse({
+    id: "cfae0a19-6515-4813-bc2d-1e032b72b203",
+    display_name: "foo",
+    status: "active",
+    email: "mw@philologue.net",
+});
+
+export type User = z.infer<typeof parser>;
+
+const get = async (id: string): Promise<null | User> => {
+    const ret = await db
+        .selectFrom("users")
+        .where("users.id", "=", id)
+        .innerJoin("user_emails", "user_emails.user_id", "users.id")
+        .select([
+            "users.id",
+            "users.status",
+            "users.display_name",
+            "user_emails.email",
+        ])
+        .executeTakeFirst();
+
+    if (ret === undefined) {
+        return null;
+    }
+
+    console.dir(ret);
+
+    const parsed = parser.parse(ret);
+
+    return parsed;
+};
+
+export { get };
diff --git a/express/interfaces.ts b/express/diachron/interfaces.ts
similarity index 100%
rename from express/interfaces.ts
rename to express/diachron/interfaces.ts
diff --git a/express/logging.spec.ts b/express/diachron/logging.spec.ts
similarity index 100%
rename from express/logging.spec.ts
rename to express/diachron/logging.spec.ts
diff --git a/express/logging.ts b/express/diachron/logging.ts
similarity index 100%
rename from express/logging.ts
rename to express/diachron/logging.ts
diff --git a/express/mgmt/add-user.ts b/express/diachron/mgmt/add-user.ts
similarity index 100%
rename from express/mgmt/add-user.ts
rename to express/diachron/mgmt/add-user.ts
diff --git a/express/migrate.ts b/express/diachron/migrate.ts
similarity index 100%
rename from express/migrate.ts
rename to express/diachron/migrate.ts
diff --git a/express/request/index.ts b/express/diachron/request/index.ts
similarity index 100%
rename from express/request/index.ts
rename to express/diachron/request/index.ts
diff --git a/express/request/util.ts b/express/diachron/request/util.ts
similarity index 100%
rename from express/request/util.ts
rename to express/diachron/request/util.ts
diff --git a/express/types.spec.ts b/express/diachron/types.spec.ts
similarity index 100%
rename from express/types.spec.ts
rename to express/diachron/types.spec.ts
diff --git a/express/types.ts b/express/diachron/types.ts
similarity index 100%
rename from express/types.ts
rename to express/diachron/types.ts
diff --git a/express/user.spec.ts b/express/diachron/user.spec.ts
similarity index 100%
rename from express/user.spec.ts
rename to express/diachron/user.spec.ts
diff --git a/express/user.ts b/express/diachron/user.ts
similarity index 100%
rename from express/user.ts
rename to express/diachron/user.ts
diff --git a/express/util.spec.ts b/express/diachron/util.spec.ts
similarity index 100%
rename from express/util.spec.ts
rename to express/diachron/util.spec.ts
diff --git a/express/util.ts b/express/diachron/util.ts
similarity index 100%
rename from express/util.ts
rename to express/diachron/util.ts
diff --git a/express/generated/.gitignore b/express/generated/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/express/generated/db.d.ts b/express/generated/db.d.ts
new file mode 100644
index 0000000..7663d67
--- /dev/null
+++ b/express/generated/db.d.ts
@@ -0,0 +1,109 @@
+/**
+ * This file was generated by kysely-codegen.
+ * Please do not edit it manually.
+ */
+
+import type { ColumnType } from "kysely";
+
+export type Generated<T> =
+    T extends ColumnType<infer S, infer I, infer U>
+        ? ColumnType<S, I | undefined, U>
+        : ColumnType<T, T | undefined, T>;
+
+export type Timestamp = ColumnType<Date, Date | string, Date | string>;
+
+export interface _Migrations {
+    applied_at: Generated<Timestamp>;
+    id: Generated<number>;
+    name: string;
+}
+
+export interface Capabilities {
+    description: string | null;
+    id: string;
+    name: string;
+}
+
+export interface Groups {
+    created_at: Generated<Timestamp>;
+    id: string;
+    name: string;
+}
+
+export interface RoleCapabilities {
+    capability_id: string;
+    granted_at: Generated<Timestamp>;
+    revoked_at: Timestamp | null;
+    role_id: string;
+}
+
+export interface Roles {
+    description: string | null;
+    id: string;
+    name: string;
+}
+
+export interface Sessions {
+    auth_method: string;
+    created_at: Generated<Timestamp>;
+    expires_at: Timestamp;
+    id: Generated<string>;
+    ip_address: string | null;
+    is_used: Generated<boolean | null>;
+    revoked_at: Timestamp | null;
+    token_hash: string;
+    token_type: string;
+    user_agent: string | null;
+    user_email_id: string | null;
+    user_id: string;
+}
+
+export interface UserCredentials {
+    created_at: Generated<Timestamp>;
+    credential_type: Generated<string>;
+    id: string;
+    password_hash: string | null;
+    updated_at: Generated<Timestamp>;
+    user_id: string;
+}
+
+export interface UserEmails {
+    created_at: Generated<Timestamp>;
+    email: string;
+    id: string;
+    is_primary: Generated<boolean>;
+    is_verified: Generated<boolean>;
+    normalized_email: string;
+    revoked_at: Timestamp | null;
+    user_id: string;
+    verified_at: Timestamp | null;
+}
+
+export interface UserGroupRoles {
+    granted_at: Generated<Timestamp>;
+    group_id: string;
+    revoked_at: Timestamp | null;
+    role_id: string;
+    user_id: string;
+}
+
+export interface Users {
+    created_at: Generated<Timestamp>;
+    display_name: string | null;
+    id: string;
+    status: Generated<string>;
+    updated_at: Generated<Timestamp>;
+}
+
+export interface DB {
+    _migrations: _Migrations;
+    capabilities: Capabilities;
+    groups: Groups;
+    role_capabilities: RoleCapabilities;
+    roles: Roles;
+    sessions: Sessions;
+    user_credentials: UserCredentials;
+    user_emails: UserEmails;
+    user_group_roles: UserGroupRoles;
+    users: Users;
+}
diff --git a/express/group.ts b/express/group.ts
new file mode 100644
index 0000000..e69de29
diff --git a/express/migrations/.gitignore b/express/migrations/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/express/migrations/2026-01-15_01-create-test-application-table.sql b/express/migrations/2026-01-15_01-create-test-application-table.sql
new file mode 100644
index 0000000..22f9728
--- /dev/null
+++ b/express/migrations/2026-01-15_01-create-test-application-table.sql
@@ -0,0 +1 @@
+CREATE TABLE test_application_table ();
diff --git a/express/migrations/2026-01-15_01.sql b/express/migrations/2026-01-15_01.sql
new file mode 100644
index 0000000..22f9728
--- /dev/null
+++ b/express/migrations/2026-01-15_01.sql
@@ -0,0 +1 @@
+CREATE TABLE test_application_table ();
diff --git a/express/routes.ts b/express/routes.ts
index 090b7aa..0e7b76b 100644
--- a/express/routes.ts
+++ b/express/routes.ts
@@ -2,13 +2,13 @@
 
 import nunjucks from "nunjucks";
 import { DateTime } from "ts-luxon";
-import { authRoutes } from "./auth/routes";
-import { routes as basicRoutes } from "./basic/routes";
-import { contentTypes } from "./content-types";
-import { core } from "./core";
-import { multiHandler } from "./handlers";
-import { httpCodes } from "./http-codes";
-import type { Call, Result, Route } from "./types";
+import { authRoutes } from "./diachron/auth/routes";
+import { routes as basicRoutes } from "./diachron/basic/routes";
+import { contentTypes } from "./diachron/content-types";
+import { core } from "./diachron/core";
+import { multiHandler } from "./diachron/handlers";
+import { httpCodes } from "./diachron/http-codes";
+import type { Call, Result, Route } from "./diachron/types";
 
 // FIXME: Obviously put this somewhere else
 const okText = (result: string): Result => {