diff --git a/src/database/database.js b/src/database/database.js
index 45b86b4..c8acb70 100644
--- a/src/database/database.js
+++ b/src/database/database.js
@@ -340,7 +340,8 @@ export const aggregateRollups = async ({
   }, {});
 };
 
-// Reusable function to aggregate rollups over history using audit logs
+// Snapshot absolute rollup values at each point in time by reconstructing
+// object state from the current documents plus audit logs.
 export const aggregateRollupsHistory = async ({
   model,
   baseFilter = {},
@@ -349,74 +350,146 @@ export const aggregateRollupsHistory = async ({
   endDate
 }) => {
   if (!rollupConfigs.length) {
-    return {};
+    return [];
   }
 
-  // Helper to map filter keys to audit log structure
-  const mapFilterToAudit = filter => {
-    if (Array.isArray(filter)) {
-      return filter.map(mapFilterToAudit);
-    }
+  const end = endDate ? new Date(endDate) : new Date();
+  const start = startDate
+    ? new Date(startDate)
+    : new Date(end.getTime() - 24 * 60 * 60 * 1000);
+  const parentType = model.modelName ? model.modelName : 'unknown';
 
-    if (_.isPlainObject(filter)) {
-      const newFilter = {};
-      for (const key in filter) {
-        if (['$or', '$and', '$nor', '$in', '$nin'].includes(key)) {
-          newFilter[key] = mapFilterToAudit(filter[key]);
-        } else if (key.startsWith('$')) {
-          newFilter[key] = mapFilterToAudit(filter[key]);
-        } else if (
-          [
-            'operation',
-            'parent',
-            'parentType',
-            'owner',
-            'ownerType',
-            'createdAt',
-            'updatedAt',
-            '_id',
-            '_reference',
-            'changes'
-          ].includes(key)
-        ) {
-          newFilter[key] = mapFilterToAudit(filter[key]);
-        } else {
-          newFilter[`changes.new.${key}`] = mapFilterToAudit(filter[key]);
-        }
+  const matchesFilter = (obj, filter) => {
+    if (!filter || Object.keys(filter).length === 0) return true;
+
+    for (const [key, expectedValue] of Object.entries(filter)) {
+      const actualValue = _.get(obj, key);
+      if (actualValue != expectedValue) {
+        return false;
       }
-      return newFilter;
     }
-
-    return filter;
+    return true;
   };
 
-  const matchQuery = {
-    parentType: model.modelName,
-    ...mapFilterToAudit(baseFilter)
+  const existedAt = (obj, bucketDate) => {
+    if (!obj?.createdAt) return true;
+    return new Date(obj.createdAt) <= bucketDate;
   };
 
-  if (startDate || endDate) {
-    matchQuery.createdAt = {};
-    if (startDate) matchQuery.createdAt.$gte = new Date(startDate);
-    if (endDate) matchQuery.createdAt.$lte = new Date(endDate);
-    if (Object.keys(matchQuery.createdAt).length === 0)
-      delete matchQuery.createdAt;
+  const snapshotRollups = (objects, bucketDate) => {
+    const bucketResult = {
+      date: bucketDate.toISOString()
+    };
+
+    rollupConfigs.forEach(config => {
+      const matchingObjects = objects.filter(
+        obj =>
+          existedAt(obj, bucketDate) &&
+          matchesFilter(obj, baseFilter) &&
+          matchesFilter(obj, config.filter)
+      );
+
+      (config.rollups || []).forEach(rollup => {
+        let value = 0;
+        if (rollup.operation === 'count') {
+          value = matchingObjects.length;
+        } else if (rollup.operation === 'sum') {
+          value = _.sumBy(matchingObjects, obj => _.get(obj, rollup.property) || 0);
+        } else if (rollup.operation === 'avg') {
+          const sum = _.sumBy(matchingObjects, obj => _.get(obj, rollup.property) || 0);
+          value = matchingObjects.length ? sum / matchingObjects.length : 0;
+        }
+
+        bucketResult[rollup.name] = { [rollup.operation]: value };
+      });
+    });
+
+    return bucketResult;
+  };
+
+  const auditLogs = await auditLogModel
+    .find({
+      parentType,
+      createdAt: { $gte: start }
+    })
+    .sort({ createdAt: -1 })
+    .lean();
+
+  const currentObjects = await model.find(baseFilter).lean();
+  const objectMap = new Map();
+  currentObjects.forEach(obj => {
+    objectMap.set(obj._id.toString(), expandObjectIds(obj));
+  });
+
+  const extraIds = [
+    ...new Set(
+      auditLogs
+        .map(log => log.parent?.toString())
+        .filter(id => id && !objectMap.has(id))
+    )
+  ];
+  if (extraIds.length) {
+    const extraObjects = await model.find({ _id: { $in: extraIds } }).lean();
+    extraObjects.forEach(obj => {
+      objectMap.set(obj._id.toString(), expandObjectIds(obj));
+    });
   }
 
-  const mappedRollupConfigs = rollupConfigs.map(config => ({
-    ...config,
-    filter: config.filter ? mapFilterToAudit(config.filter) : undefined,
-    rollups: (config.rollups || []).map(rollup => ({
-      ...rollup,
-      property: `changes.new.${rollup.property}`
-    }))
-  }));
+  if (objectMap.size === 0 && auditLogs.length === 0) {
+    return [];
+  }
 
-  return await aggregateRollups({
-    model: auditLogModel,
-    baseFilter: matchQuery,
-    rollupConfigs: mappedRollupConfigs
-  });
+  const buckets = [];
+  let currentTime = new Date(end);
+  currentTime.setSeconds(0, 0);
+
+  while (currentTime >= start) {
+    buckets.push(new Date(currentTime));
+    currentTime = new Date(currentTime.getTime() - 60000);
+  }
+
+  if (!buckets.length) {
+    return [];
+  }
+
+  const workingObjects = new Map();
+  objectMap.forEach((val, key) => workingObjects.set(key, _.cloneDeep(val)));
+
+  const results = [];
+  let logIndex = 0;
+
+  for (const bucketDate of buckets) {
+    while (logIndex < auditLogs.length) {
+      const log = auditLogs[logIndex];
+      const logDate = new Date(log.createdAt);
+
+      if (logDate <= bucketDate) {
+        break;
+      }
+
+      const objectId = log.parent.toString();
+      const object = workingObjects.get(objectId);
+
+      if (log.operation === 'new') {
+        workingObjects.delete(objectId);
+      } else if (log.operation === 'delete' && log.changes?.old) {
+        if (!workingObjects.has(objectId)) {
+          workingObjects.set(
+            objectId,
+            expandObjectIds({ ...log.changes.old, _id: log.parent })
+          );
+        }
+      } else if (object && log.changes?.old) {
+        mergeObjectUpdates(object, log.changes.old);
+      }
+
+      logIndex++;
+    }
+
+    results.push(snapshotRollups(Array.from(workingObjects.values()), bucketDate));
+  }
+
+  return results.reverse();
 };
 
 export const getModelStats = async ({ model }) => {
diff --git a/src/database/schemas/misc/usersettings.schema.js b/src/database/schemas/misc/usersettings.schema.js
index 8a5faa5..17e8df9 100644
--- a/src/database/schemas/misc/usersettings.schema.js
+++ b/src/database/schemas/misc/usersettings.schema.js
@@ -23,6 +23,7 @@ const userSettingsSchema = new mongoose.Schema({
     columnVisibility: { type: Schema.Types.Mixed, default: () => ({}) },
     collapseState: { type: Schema.Types.Mixed, default: () => ({}) },
   },
+  pageLayout: { type: Schema.Types.Mixed, default: () => ({}) },
 
   createdAt: {
     type: Date,
diff --git a/src/usersettings/usersettingsmanager.js b/src/usersettings/usersettingsmanager.js
index 7354155..6f8bf44 100644
--- a/src/usersettings/usersettingsmanager.js
+++ b/src/usersettings/usersettingsmanager.js
@@ -1,6 +1,6 @@
 import { userSettingsModel } from '../database/schemas/misc/usersettings.schema.js';
 
-const SETTINGS_CATEGORIES = [
+const DEFAULTS_CATEGORIES = [
   'viewMode',
   'filterSidebarVisibility',
   'sortSidebarVisibility',
@@ -8,12 +8,17 @@ const SETTINGS_CATEGORIES = [
   'collapseState'
 ];
 
+const TOP_LEVEL_CATEGORIES = ['pageLayout'];
+
+const SETTINGS_CATEGORIES = [...DEFAULTS_CATEGORIES, ...TOP_LEVEL_CATEGORIES];
+
 const createEmptySettings = () => ({
   viewMode: {},
   filterSidebarVisibility: {},
   sortSidebarVisibility: {},
   columnVisibility: {},
-  collapseState: {}
+  collapseState: {},
+  pageLayout: {}
 });
 
 const normalizeCategory = category =>
@@ -21,13 +26,19 @@ const normalizeCategory = category =>
     ? category
     : {};
 
-const normalizeSettings = (defaults = {}) => ({
-  viewMode: normalizeCategory(defaults?.viewMode),
-  filterSidebarVisibility: normalizeCategory(defaults?.filterSidebarVisibility),
-  sortSidebarVisibility: normalizeCategory(defaults?.sortSidebarVisibility),
-  columnVisibility: normalizeCategory(defaults?.columnVisibility),
-  collapseState: normalizeCategory(defaults?.collapseState)
-});
+const normalizeSettings = (userSettings = {}) => {
+  const defaults = userSettings?.defaults ?? {};
+  return {
+    viewMode: normalizeCategory(defaults?.viewMode),
+    filterSidebarVisibility: normalizeCategory(
+      defaults?.filterSidebarVisibility
+    ),
+    sortSidebarVisibility: normalizeCategory(defaults?.sortSidebarVisibility),
+    columnVisibility: normalizeCategory(defaults?.columnVisibility),
+    collapseState: normalizeCategory(defaults?.collapseState),
+    pageLayout: normalizeCategory(userSettings?.pageLayout)
+  };
+};
 
 const isSafeSettingsKey = key =>
   typeof key === 'string' &&
@@ -37,6 +48,11 @@ const isSafeSettingsKey = key =>
   !key.includes('$') &&
   !key.includes('\0');
 
+const getCategoryPath = (category, key) =>
+  TOP_LEVEL_CATEGORIES.includes(category)
+    ? `${category}.${key}`
+    : `defaults.${category}.${key}`;
+
 export class UserSettingsManager {
   constructor(socketClient) {
     this.socketClient = socketClient;
@@ -54,10 +70,10 @@ export class UserSettingsManager {
     const userId = this.getUserId();
     const userSettings = await userSettingsModel
       .findOne({ user: userId })
-      .select('defaults')
+      .select('defaults pageLayout')
       .lean();
 
-    return normalizeSettings(userSettings?.defaults);
+    return normalizeSettings(userSettings);
   }
 
   async updateUserSettings({ category, key, value } = {}) {
@@ -75,7 +91,7 @@ export class UserSettingsManager {
 
     const update = {
       $set: {
-        [`defaults.${category}.${key}`]: value,
+        [getCategoryPath(category, key)]: value,
         updatedAt: new Date()
       },
       $setOnInsert: {
@@ -92,7 +108,7 @@ export class UserSettingsManager {
           upsert: true,
           setDefaultsOnInsert: true
         })
-        .select('defaults')
+        .select('defaults pageLayout')
         .lean();
     } catch (error) {
       if (error?.code !== 11000) {
@@ -105,11 +121,11 @@ export class UserSettingsManager {
           { $set: update.$set },
           { new: true }
         )
-        .select('defaults')
+        .select('defaults pageLayout')
         .lean();
     }
 
-    return normalizeSettings(userSettings?.defaults);
+    return normalizeSettings(userSettings);
   }
 }
 
diff --git a/src/usersettings/usersettingsmanager.test.js b/src/usersettings/usersettingsmanager.test.js
index 7b77e50..d82c931 100644
--- a/src/usersettings/usersettingsmanager.test.js
+++ b/src/usersettings/usersettingsmanager.test.js
@@ -73,6 +73,45 @@ describe('UserSettingsManager', () => {
     );
   });
 
+  it('writes pageLayout at the top level, not under defaults', async () => {
+    const pageLayout = {
+      InventoryOverview: {
+        sectionOrder: ['partStockStats'],
+        statsOrder: {}
+      }
+    };
+    findOneAndUpdate.mockReturnValue(
+      queryResult({
+        defaults: createEmptySettings(),
+        pageLayout
+      })
+    );
+
+    await expect(
+      manager.updateUserSettings({
+        category: 'pageLayout',
+        key: 'InventoryOverview',
+        value: pageLayout.InventoryOverview
+      })
+    ).resolves.toEqual({
+      ...createEmptySettings(),
+      pageLayout
+    });
+
+    expect(findOneAndUpdate).toHaveBeenCalledWith(
+      { user: 'user-id' },
+      expect.objectContaining({
+        $set: expect.objectContaining({
+          'pageLayout.InventoryOverview': pageLayout.InventoryOverview
+        })
+      }),
+      expect.anything()
+    );
+    expect(findOneAndUpdate.mock.calls[0][1].$set).not.toHaveProperty(
+      'defaults.pageLayout.InventoryOverview'
+    );
+  });
+
   it('rejects invalid categories and unsafe keys', async () => {
     await expect(
       manager.updateUserSettings({