diff --git a/extension/helpers.js b/extension/helpers.js
index 0b6ca06..2cf637e 100644
--- a/extension/helpers.js
+++ b/extension/helpers.js
@@ -6,33 +6,56 @@
 
 'use strict';
 
-export const ERROR = Symbol();
+export const ERROR = Symbol(),
+  env = {},
+  storage = {},
+  fs = {},
+  web = {},
+  fmt = {},
+  regexers = {},
+  registry = {};
 
-export const env = {};
 env.name = 'extension';
 env.version = chrome.runtime.getManifest().version;
-
 env.openEnhancerMenu = () => chrome.runtime.sendMessage({ action: 'openEnhancerMenu' });
 env.focusNotion = () => chrome.runtime.sendMessage({ action: 'focusNotion' });
 
-/** - */
-
-export const storage = {};
-
-storage.set = (id, key, value) =>
-  new Promise((res, rej) => chrome.storage.sync.set({ [`[${id}]${key}`]: value }, res));
-storage.get = (id, key, fallback = undefined) =>
+storage.get = (namespace, key = undefined, fallback = undefined) =>
   new Promise((res, rej) =>
-    chrome.storage.sync.get([`[${id}]${key}`], (values) =>
-      res(values[`[${id}]${key}`] ?? fallback)
-    )
+    chrome.storage.sync.get([namespace], async (values) => {
+      values =
+        values[namespace] && Object.getOwnPropertyNames(values[namespace]).length
+          ? values[namespace]
+          : await registry.defaults(namespace);
+      res((key ? values[key] : values) ?? fallback);
+    })
   );
+storage.set = (namespace, key, value) =>
+  new Promise(async (res, rej) => {
+    const values = await storage.get(namespace, undefined, {});
+    chrome.storage.sync.set({ [namespace]: { ...values, [key]: value } }, res);
+  });
+storage.reset = (namespace) =>
+  new Promise((res, rej) => chrome.storage.sync.set({ [namespace]: undefined }, res));
 
-/** - */
+fs.getJSON = (path) =>
+  fetch(path.startsWith('https://') ? path : chrome.runtime.getURL(path)).then((res) =>
+    res.json()
+  );
+fs.getText = (path) =>
+  fetch(path.startsWith('https://') ? path : chrome.runtime.getURL(path)).then((res) =>
+    res.text()
+  );
+fs.isFile = async (path) => {
+  try {
+    await fetch(chrome.runtime.getURL(path));
+    return true;
+  } catch {
+    return false;
+  }
+};
 
-export const web = {};
-
-web.whenReady = (selectors = [], callback = () => {}) => {
+web.whenReady = (selectors = []) => {
   return new Promise((res, rej) => {
     function onLoad() {
       let isReadyInt;
@@ -40,7 +63,6 @@ web.whenReady = (selectors = [], callback = () => {}) => {
       function isReadyTest() {
         if (selectors.every((selector) => document.querySelector(selector))) {
           clearInterval(isReadyInt);
-          callback();
           res(true);
         }
       }
@@ -53,11 +75,12 @@ web.whenReady = (selectors = [], callback = () => {}) => {
     } else onLoad();
   });
 };
-
-/**
- * @param {string} html
- * @returns HTMLElement
- */
+web.loadStyleset = (path) => {
+  document.head.appendChild(
+    web.createElement(`<link rel="stylesheet" href="${chrome.runtime.getURL(path)}">`)
+  );
+  return true;
+};
 web.createElement = (html) => {
   const template = document.createElement('template');
   template.innerHTML = html.includes('<pre')
@@ -70,25 +93,14 @@ web.createElement = (html) => {
 };
 web.escapeHtml = (str) =>
   str
-    .replace(/&/g, '&amp;') // (?![^\s]+;)
+    .replace(/&/g, '&amp;')
     .replace(/</g, '&lt;')
     .replace(/>/g, '&gt;')
     .replace(/'/g, '&#39;')
     .replace(/"/g, '&quot;');
-
 // why a tagged template? because it syntax highlights
 // https://marketplace.visualstudio.com/items?itemName=bierner.lit-html
-web.html = (html, ...templates) => html.map((str) => str + (templates.shift() || '')).join('');
-
-/**
- * @param {string} sheet
- */
-web.loadStyleset = (sheet) => {
-  document.head.appendChild(
-    web.createElement(`<link rel="stylesheet" href="${chrome.runtime.getURL(sheet)}">`)
-  );
-  return true;
-};
+web.html = (html, ...templates) => html.map((str) => str + (templates.shift() ?? '')).join('');
 
 /**
  * @param {array} keys
@@ -119,10 +131,6 @@ web.hotkeyListener = (keys, callback) => {
   web._hotkeys.push({ keys, callback });
 };
 
-/** - */
-
-export const fmt = {};
-
 import './dep/prism.js';
 fmt.Prism = Prism;
 fmt.Prism.manual = true;
@@ -188,69 +196,36 @@ fmt.slugger = (heading, slugs = new Set()) => {
   return slug;
 };
 
-/** - */
-
-export const fs = {};
-
-/**
- * @param {string} path
- */
-fs.getJSON = (path) =>
-  fetch(path.startsWith('https://') ? path : chrome.runtime.getURL(path)).then((res) =>
-    res.json()
-  );
-fs.getText = (path) =>
-  fetch(path.startsWith('https://') ? path : chrome.runtime.getURL(path)).then((res) =>
-    res.text()
-  );
-
-fs.isFile = async (path) => {
-  try {
-    await fetch(chrome.runtime.getURL(path));
-    return true;
-  } catch {
-    return false;
-  }
+regexers.uuid = (str) => {
+  const match = str.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i);
+  if (match && match.length) return true;
+  error(`invalid uuid ${str}`);
+  return false;
 };
-
-/** - */
-
-export const regexers = {
-  uuid(str) {
-    const match = str.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i);
-    if (match && match.length) return true;
-    error(`invalid uuid ${str}`);
-    return false;
-  },
-  semver(str) {
-    const match = str.match(
-      /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/i
-    );
-    if (match && match.length) return true;
-    error(`invalid semver ${str}`);
-    return false;
-  },
-  email(str) {
-    const match = str.match(
-      /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/i
-    );
-    if (match && match.length) return true;
-    error(`invalid email ${str}`);
-    return false;
-  },
-  url(str) {
-    const match = str.match(
-      /^[(http(s)?):\/\/(www\.)?a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)$/i
-    );
-    if (match && match.length) return true;
-    error(`invalid url ${str}`);
-    return false;
-  },
+regexers.semver = (str) => {
+  const match = str.match(
+    /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/i
+  );
+  if (match && match.length) return true;
+  error(`invalid semver ${str}`);
+  return false;
+};
+regexers.email = (str) => {
+  const match = str.match(
+    /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/i
+  );
+  if (match && match.length) return true;
+  error(`invalid email ${str}`);
+  return false;
+};
+regexers.url = (str) => {
+  const match = str.match(
+    /^[(http(s)?):\/\/(www\.)?a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)$/i
+  );
+  if (match && match.length) return true;
+  error(`invalid url ${str}`);
+  return false;
 };
-
-/** - */
-
-export const registry = {};
 
 registry.validate = async (mod, err, check) => {
   let conditions = [
@@ -444,8 +419,33 @@ registry.validate = async (mod, err, check) => {
   } while (conditions.some((condition) => Array.isArray(condition)));
   return conditions;
 };
+registry.defaults = async (id) => {
+  const mod = (await registry.get()).find((mod) => mod.id === id);
+  if (!mod || !mod.options) return {};
+  const defaults = {};
+  for (const opt of mod.options) {
+    switch (opt.type) {
+      case 'toggle':
+        defaults[opt.key] = opt.value;
+        break;
+      case 'select':
+        defaults[opt.key] = opt.values[0];
+        break;
+      case 'text':
+        defaults[opt.key] = opt.value;
+        break;
+      case 'number':
+        defaults[opt.key] = opt.value;
+        break;
+      case 'file':
+        defaults[opt.key] = undefined;
+        break;
+    }
+  }
+  return defaults;
+};
 
-registry.get = async (callback = () => {}) => {
+registry.get = async () => {
   registry._list = [];
   if (!registry._errors) registry._errors = [];
   for (const dir of await fs.getJSON('repo/registry.json')) {
@@ -466,12 +466,9 @@ registry.get = async (callback = () => {}) => {
       err('invalid mod.json');
     }
   }
-  callback(registry._list);
   return registry._list;
 };
-
-registry.errors = async (callback = () => {}) => {
+registry.errors = async () => {
   if (!registry._errors) await registry.get();
-  callback(registry._errors);
   return registry._errors;
 };
diff --git a/extension/launcher.js b/extension/launcher.js
index 5a716c4..2cb71e9 100644
--- a/extension/launcher.js
+++ b/extension/launcher.js
@@ -7,7 +7,7 @@
 'use strict';
 
 import(chrome.runtime.getURL('helpers.js')).then(({ web, registry }) => {
-  web.whenReady([], async () => {
+  web.whenReady().then(async () => {
     for (let mod of await registry.get()) {
       for (let sheet of mod.css?.client || []) {
         web.loadStyleset(`repo/${mod._dir}/${sheet}`);
diff --git a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.css b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.css
index 0e4776d..78d1843 100644
--- a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.css
+++ b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.css
@@ -51,8 +51,6 @@
   display: flex;
 }
 .enhancer--notifications > div > :last-child > div {
-  margin-left: auto;
-  margin-bottom: 2px;
   display: inline-flex;
   align-items: center;
   justify-content: center;
diff --git a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.js b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.js
index b48889e..d44ff4d 100644
--- a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.js
+++ b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/client.js
@@ -11,7 +11,7 @@ import { env, storage, web, fs } from '../../helpers.js';
 
 const sidebarSelector =
   '#notion-app > div > div.notion-cursor-listener > div.notion-sidebar-container > div > div > div > div:nth-child(4)';
-web.whenReady([sidebarSelector], async () => {
+web.whenReady([sidebarSelector]).then(async () => {
   const $enhancerSidebarElement = web.createElement(
       web.html`<div class="enhancer--sidebarMenuTrigger" role="button" tabindex="0">
         <div>
diff --git a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.css b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.css
index 5ab71ce..e23d35f 100644
--- a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.css
+++ b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.css
@@ -272,7 +272,7 @@ label > span:not([class]) {
   height: 0.8rem;
   width: 0.8rem;
   left: 0.325rem;
-  top: 0.225rem;
+  top: 0.18rem;
   position: absolute;
   border-radius: 100%;
   background: var(--theme--toggle_dot);
diff --git a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.js b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.js
index 17ec19a..d6de78d 100644
--- a/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.js
+++ b/extension/repo/menu@a6621988-551d-495a-97d8-3c568bca2e9e/menu.js
@@ -87,16 +87,22 @@ components.card = {
   },
 };
 components.options = {
-  toggle: (id, { key, label, value }) =>
-    web.createElement(web.html`<label
+  async toggle(id, { key, label }) {
+    const state = await storage.get(id, key),
+      opt = web.createElement(web.html`<label
       for="toggle--${web.escapeHtml(`${id}.${key}`)}"
       class="library--toggle_label"
     >
-      <input type="checkbox" id="toggle--${web.escapeHtml(`${id}.${key}`)}" />
+      <input type="checkbox" id="toggle--${web.escapeHtml(`${id}.${key}`)}"
+        ${state ? 'checked' : ''}/>
       <p><span>${label}</span><span class="library--toggle"></span></p
-    ></label>`),
-  select: async (id, { key, label, values }) =>
-    web.createElement(web.html`<label
+    ></label>`);
+    opt.addEventListener('change', (event) => storage.set(id, key, event.target.checked));
+    return opt;
+  },
+  async select(id, { key, label, values }) {
+    const state = await storage.get(id, key),
+      opt = web.createElement(web.html`<label
       for="select--${web.escapeHtml(`${id}.${key}`)}"
       class="library--select_label"
     >
@@ -106,37 +112,47 @@ components.options = {
         <select id="select--${web.escapeHtml(`${id}.${key}`)}">
           ${values.map(
             (value) =>
-              web.html`<option value="${web.escapeHtml(value)}">${web.escapeHtml(
-                value
-              )}</option>`
+              web.html`<option value="${web.escapeHtml(value)}"
+              ${value === state ? 'selected' : ''}>
+              ${web.escapeHtml(value)}</option>`
           )}
         </select>
       </p>
-    </label>`),
-  text(id, { key, label, value }) {
-    const opt = web.createElement(web.html`<label
+    </label>`);
+    opt.addEventListener('change', (event) => storage.set(id, key, event.target.value));
+    return opt;
+  },
+  async text(id, { key, label }) {
+    const state = await storage.get(id, key),
+      opt = web.createElement(web.html`<label
       for="text--${web.escapeHtml(`${id}.${key}`)}"
       class="library--text_label"
     >
       <p>${label}</p>
-      <textarea id="text--${web.escapeHtml(`${id}.${key}`)}" rows="1"></textarea>
+      <textarea id="text--${web.escapeHtml(`${id}.${key}`)}" rows="1">${state}</textarea>
     </label>`);
-    opt.querySelector('textarea').addEventListener('input', (ev) => {
-      ev.target.style.removeProperty('--txt--scroll-height');
-      ev.target.style.setProperty('--txt--scroll-height', ev.target.scrollHeight + 'px');
+    opt.querySelector('textarea').addEventListener('input', (event) => {
+      event.target.style.removeProperty('--txt--scroll-height');
+      event.target.style.setProperty('--txt--scroll-height', event.target.scrollHeight + 'px');
     });
+    opt.addEventListener('change', (event) => storage.set(id, key, event.target.value));
     return opt;
   },
-  number: (id, { key, label, value }) =>
-    web.createElement(web.html`<label
+  async number(id, { key, label }) {
+    const state = await storage.get(id, key),
+      opt = web.createElement(web.html`<label
       for="number--${web.escapeHtml(`${id}.${key}`)}"
       class="library--number_label"
     >
       <p>${web.escapeHtml(label)}</p>
-      <input id="number--${web.escapeHtml(`${id}.${key}`)}" type="number" />
-    </label>`),
+      <input id="number--${web.escapeHtml(`${id}.${key}`)}" type="number" value="${state}"/>
+    </label>`);
+    opt.addEventListener('change', (event) => storage.set(id, key, event.target.value));
+    return opt;
+  },
   async file(id, { key, label, extensions }) {
-    const opt = web.createElement(web.html`<label
+    const state = await storage.get(id, key),
+      opt = web.createElement(web.html`<label
       for="file--${web.escapeHtml(`${id}.${key}`)}"
       class="library--file_label"
     >
@@ -145,18 +161,33 @@ components.options = {
         id="file--${web.escapeHtml(`${id}.${key}`)}"
         ${web.escapeHtml(
           extensions && extensions.length
-            ? ` accept="${web.escapeHtml(extensions.join(','))}"`
+            ? ` accept=${web.escapeHtml(extensions.join(','))}`
             : ''
         )}
       />
       <p>${web.escapeHtml(label)}</p>
       <p class="library--file">
         <span><i data-icon="fa/file"></i></span>
-        <span class="library--file_path">choose file...</span>
+        <span class="library--file_path">${state || 'choose file...'}</span>
+      </p>
+      <p class="library--warning">
+        warning: browser extensions do not have true filesystem access,
+        so the content of the file is saved on selection. after editing it,
+        the file will need to be re-selected.
       </p>
     </label>`);
-    opt.querySelector('input').addEventListener('change', (ev) => {
-      opt.querySelector('.library--file_path').innerText = ev.target.files[0].name;
+    opt.addEventListener('change', (event) => {
+      const file = event.target.files[0],
+        reader = new FileReader();
+      opt.querySelector('.library--file_path').innerText = file.name;
+      storage.set(id, key, file.name);
+      reader.onload = (progress) => {
+        storage.set(id, `_file.${key}`, progress.currentTarget.result);
+      };
+      reader.readAsText(file);
+    });
+    opt.addEventListener('click', (event) => {
+      document.documentElement.scrollTop = 0;
     });
     return opt;
   },
@@ -278,7 +309,7 @@ const views = {
     }, 50);
     document
       .querySelectorAll('img')
-      .forEach((img) => (img.onerror = (ev) => ev.target.remove()));
+      .forEach((img) => (img.onerror = (event) => event.target.remove()));
     document
       .querySelectorAll('a[href^="?"]')
       .forEach((a) => a.addEventListener('click', this._router));
@@ -310,12 +341,12 @@ const views = {
 views._router = views._router.bind(views);
 views._navigator = views._navigator.bind(views);
 views._load();
-window.addEventListener('popstate', (ev) => {
-  if (ev.state) views._load();
+window.addEventListener('popstate', (event) => {
+  if (event.state) views._load();
 });
 
 const notifications = {
-  _generate({ heading, message = '', type = 'information' }, callback = () => {}) {
+  _generate({ heading, message = '', type = 'information' }, onDismiss = () => {}) {
     let svg = '',
       className = 'notification';
     switch (type) {
@@ -347,7 +378,7 @@ const notifications = {
         $notif.offsetHeight / parseFloat(getComputedStyle(document.documentElement).fontSize)
       }rem`;
       setTimeout(() => $notif.remove(), 400);
-      callback();
+      onDismiss();
     });
     setTimeout(() => {
       $notif.style.opacity = 1;
@@ -355,7 +386,7 @@ const notifications = {
     return $notif;
   },
   async load() {
-    let notifications = {
+    const notifications = {
       list: await fs.getJSON('https://notion-enhancer.github.io/notifications.json'),
       dismissed: await storage.get(_id, 'notifications', []),
     };