diff --git a/app/__test__/modules/module-test-suite.ts b/app/__test__/modules/module-test-suite.ts
index cf4926a..d4f0f95 100644
--- a/app/__test__/modules/module-test-suite.ts
+++ b/app/__test__/modules/module-test-suite.ts
@@ -2,6 +2,7 @@ import { beforeEach, describe, expect, it } from "bun:test";
 
 import { Hono } from "hono";
 import { Guard } from "../../src/auth";
+import { DebugLogger } from "../../src/core";
 import { EventManager } from "../../src/core/events";
 import { Default, stripMark } from "../../src/core/utils";
 import { EntityManager } from "../../src/data";
@@ -17,6 +18,7 @@ export function makeCtx(overrides?: Partial<ModuleBuildContext>): ModuleBuildCon
       emgr: new EventManager(),
       guard: new Guard(),
       flags: Module.ctx_flags,
+      logger: new DebugLogger(false),
       ...overrides
    };
 }
diff --git a/app/src/core/object/SchemaObject.ts b/app/src/core/object/SchemaObject.ts
index 7c2e926..c8584bf 100644
--- a/app/src/core/object/SchemaObject.ts
+++ b/app/src/core/object/SchemaObject.ts
@@ -1,10 +1,10 @@
-import { cloneDeep, get, has, mergeWith, omit, set } from "lodash-es";
+import { get, has, omit, set } from "lodash-es";
 import {
    Default,
    type Static,
    type TObject,
    getFullPathKeys,
-   mark,
+   mergeObjectWith,
    parse,
    stripMark
 } from "../utils";
@@ -33,7 +33,7 @@ export class SchemaObject<Schema extends TObject> {
    ) {
       this._default = Default(_schema, {} as any) as any;
       this._value = initial
-         ? parse(_schema, cloneDeep(initial as any), {
+         ? parse(_schema, structuredClone(initial as any), {
               forceParse: this.isForceParse(),
               skipMark: this.isForceParse()
            })
@@ -64,8 +64,12 @@ export class SchemaObject<Schema extends TObject> {
       return this._config;
    }
 
+   clone() {
+      return structuredClone(this._config);
+   }
+
    async set(config: Static<Schema>, noEmit?: boolean): Promise<Static<Schema>> {
-      const valid = parse(this._schema, cloneDeep(config) as any, {
+      const valid = parse(this._schema, structuredClone(config) as any, {
          forceParse: true,
          skipMark: this.isForceParse()
       });
@@ -114,7 +118,7 @@ export class SchemaObject<Schema extends TObject> {
    }
 
    async patch(path: string, value: any): Promise<[Partial<Static<Schema>>, Static<Schema>]> {
-      const current = cloneDeep(this._config);
+      const current = this.clone();
       const partial = path.length > 0 ? (set({}, path, value) as Partial<Static<Schema>>) : value;
 
       this.throwIfRestricted(partial);
@@ -122,11 +126,13 @@ export class SchemaObject<Schema extends TObject> {
 
       // overwrite arrays and primitives, only deep merge objects
       // @ts-ignore
-      const config = mergeWith(current, partial, (objValue, srcValue) => {
+      //console.log("---alt:new", _jsonp(mergeObject(current, partial)));
+      const config = mergeObjectWith(current, partial, (objValue, srcValue) => {
          if (Array.isArray(objValue) && Array.isArray(srcValue)) {
             return srcValue;
          }
       });
+      //console.log("---new", _jsonp(config));
 
       //console.log("overwritePaths", this.options?.overwritePaths);
       if (this.options?.overwritePaths) {
@@ -164,14 +170,14 @@ export class SchemaObject<Schema extends TObject> {
          }
       }
 
-      //console.log("patch", { path, value, partial, config, current });
+      //console.log("patch", _jsonp({ path, value, partial, config, current }));
 
       const newConfig = await this.set(config);
       return [partial, newConfig];
    }
 
    async overwrite(path: string, value: any): Promise<[Partial<Static<Schema>>, Static<Schema>]> {
-      const current = cloneDeep(this._config);
+      const current = this.clone();
       const partial = path.length > 0 ? (set({}, path, value) as Partial<Static<Schema>>) : value;
 
       this.throwIfRestricted(partial);
@@ -192,7 +198,7 @@ export class SchemaObject<Schema extends TObject> {
       if (p.length > 1) {
          const parent = p.slice(0, -1).join(".");
          if (!has(this._config, parent)) {
-            console.log("parent", parent, JSON.stringify(this._config, null, 2));
+            //console.log("parent", parent, JSON.stringify(this._config, null, 2));
             throw new Error(`Parent path "${parent}" does not exist`);
          }
       }
@@ -207,7 +213,7 @@ export class SchemaObject<Schema extends TObject> {
          throw new Error(`Path "${path}" does not exist`);
       }
 
-      const current = cloneDeep(this._config);
+      const current = this.clone();
       const removed = get(current, path) as Partial<Static<Schema>>;
       const config = omit(current, path);
       const newConfig = await this.set(config);
diff --git a/app/src/core/utils/objects.ts b/app/src/core/utils/objects.ts
index f8ae7a0..ab5b807 100644
--- a/app/src/core/utils/objects.ts
+++ b/app/src/core/utils/objects.ts
@@ -4,6 +4,14 @@ export function _jsonp(obj: any, space = 2): string {
    return JSON.stringify(obj, null, space);
 }
 
+export function isPlainObject(value: unknown): value is Record<string, unknown> {
+   return Object.prototype.toString.call(value) === "[object Object]";
+}
+
+export function isObject(value: unknown): value is Record<string, unknown> {
+   return value !== null && typeof value === "object";
+}
+
 export function safelyParseObjectValues<T extends { [key: string]: any }>(obj: T): T {
    return Object.entries(obj).reduce((acc, [key, value]) => {
       try {
@@ -97,15 +105,6 @@ export function objectEach<T extends Record<string, any>, U>(
    );
 }
 
-/**
- * Simple object check.
- * @param item
- * @returns {boolean}
- */
-export function isObject(item) {
-   return item && typeof item === "object" && !Array.isArray(item);
-}
-
 /**
  * Deep merge two objects.
  * @param target
@@ -197,3 +196,73 @@ export function objectCleanEmpty<Obj extends { [key: string]: any }>(obj: Obj):
       return acc;
    }, {} as any);
 }
+
+/**
+ * Lodash's merge implementation caused issues in Next.js environments
+ * From: https://thescottyjam.github.io/snap.js/#!/nolodash/merge
+ * NOTE: This mutates `object`. It also may mutate anything that gets attached to `object` during the merge.
+ * @param object
+ * @param sources
+ */
+export function mergeObject(object, ...sources) {
+   for (const source of sources) {
+      for (const [key, value] of Object.entries(source)) {
+         if (value === undefined) {
+            continue;
+         }
+
+         // These checks are a week attempt at mimicking the various edge-case behaviors
+         // that Lodash's `_.merge()` exhibits. Feel free to simplify and
+         // remove checks that you don't need.
+         if (!isPlainObject(value) && !Array.isArray(value)) {
+            object[key] = value;
+         } else if (Array.isArray(value) && !Array.isArray(object[key])) {
+            object[key] = value;
+         } else if (!isObject(object[key])) {
+            object[key] = value;
+         } else {
+            mergeObject(object[key], value);
+         }
+      }
+   }
+
+   return object;
+}
+
+/**
+ * Lodash's mergeWith implementation caused issues in Next.js environments
+ * From: https://thescottyjam.github.io/snap.js/#!/nolodash/mergeWith
+ * NOTE: This mutates `object`. It also may mutate anything that gets attached to `object` during the merge.
+ * @param object
+ * @param sources
+ * @param customizer
+ */
+export function mergeObjectWith(object, source, customizer) {
+   for (const [key, value] of Object.entries(source)) {
+      const mergedValue = customizer(object[key], value, key, object, source);
+      if (mergedValue !== undefined) {
+         object[key] = mergedValue;
+         continue;
+      }
+      // Otherwise, fall back to default behavior
+
+      if (value === undefined) {
+         continue;
+      }
+
+      // These checks are a week attempt at mimicking the various edge-case behaviors
+      // that Lodash's `_.merge()` exhibits. Feel free to simplify and
+      // remove checks that you don't need.
+      if (!isPlainObject(value) && !Array.isArray(value)) {
+         object[key] = value;
+      } else if (Array.isArray(value) && !Array.isArray(object[key])) {
+         object[key] = value;
+      } else if (!isObject(object[key])) {
+         object[key] = value;
+      } else {
+         mergeObjectWith(object[key], value, customizer);
+      }
+   }
+
+   return object;
+}
diff --git a/app/src/data/AppData.ts b/app/src/data/AppData.ts
index 210c834..45edb15 100644
--- a/app/src/data/AppData.ts
+++ b/app/src/data/AppData.ts
@@ -13,7 +13,15 @@ import { type AppDataConfig, dataConfigSchema } from "./data-schema";
 
 export class AppData extends Module<typeof dataConfigSchema> {
    override async build() {
-      const entities = transformObject(this.config.entities ?? {}, (entityConfig, name) => {
+      const {
+         entities: _entities = {},
+         relations: _relations = {},
+         indices: _indices = {}
+      } = this.config;
+
+      this.ctx.logger.context("AppData").log("building with entities", Object.keys(_entities));
+
+      const entities = transformObject(_entities, (entityConfig, name) => {
          return constructEntity(name, entityConfig);
       });
 
@@ -21,14 +29,14 @@ export class AppData extends Module<typeof dataConfigSchema> {
          const name = typeof _e === "string" ? _e : _e.name;
          const entity = entities[name];
          if (entity) return entity;
-         throw new Error(`Entity "${name}" not found`);
+         throw new Error(`[AppData] Entity "${name}" not found`);
       };
 
-      const relations = transformObject(this.config.relations ?? {}, (relation) =>
+      const relations = transformObject(_relations, (relation) =>
          constructRelation(relation, _entity)
       );
 
-      const indices = transformObject(this.config.indices ?? {}, (index, name) => {
+      const indices = transformObject(_indices, (index, name) => {
          const entity = _entity(index.entity)!;
          const fields = index.fields.map((f) => entity.field(f)!);
          return new EntityIndex(entity, fields, index.unique, name);
@@ -52,6 +60,7 @@ export class AppData extends Module<typeof dataConfigSchema> {
       );
       this.ctx.guard.registerPermissions(Object.values(DataPermissions));
 
+      this.ctx.logger.clear();
       this.setBuilt();
    }
 
diff --git a/app/src/modules/Module.ts b/app/src/modules/Module.ts
index 0d5b8bf..ef0bc81 100644
--- a/app/src/modules/Module.ts
+++ b/app/src/modules/Module.ts
@@ -1,6 +1,6 @@
 import type { App } from "App";
 import type { Guard } from "auth";
-import { SchemaObject } from "core";
+import { type DebugLogger, SchemaObject } from "core";
 import type { EventManager } from "core/events";
 import type { Static, TSchema } from "core/utils";
 import {
@@ -35,6 +35,7 @@ export type ModuleBuildContext = {
    em: EntityManager;
    emgr: EventManager<any>;
    guard: Guard;
+   logger: DebugLogger;
    flags: (typeof Module)["ctx_flags"];
 };
 
diff --git a/app/src/modules/ModuleManager.ts b/app/src/modules/ModuleManager.ts
index 9a09bf9..efe7a09 100644
--- a/app/src/modules/ModuleManager.ts
+++ b/app/src/modules/ModuleManager.ts
@@ -231,7 +231,8 @@ export class ModuleManager {
          em: this.em,
          emgr: this.emgr,
          guard: this.guard,
-         flags: Module.ctx_flags
+         flags: Module.ctx_flags,
+         logger: this.logger
       };
    }
 
diff --git a/app/src/ui/routes/data/data.$entity.index.tsx b/app/src/ui/routes/data/data.$entity.index.tsx
index d096731..135595e 100644
--- a/app/src/ui/routes/data/data.$entity.index.tsx
+++ b/app/src/ui/routes/data/data.$entity.index.tsx
@@ -40,7 +40,7 @@ export function DataEntityList({ params }) {
    useBrowserTitle(["Data", entity?.label ?? params.entity]);
    const [navigate] = useNavigate();
    const search = useSearch(searchSchema, {
-      select: undefined,
+      select: entity.getSelect(undefined, "form"),
       sort: undefined
    });
 
diff --git a/bun.lockb b/bun.lockb
index 19836ad..1b049f9 100755
Binary files a/bun.lockb and b/bun.lockb differ