Replace render_turbo_stream cancel handlers with form#cancel Stimulus action

Add cancel() method to form_controller that handles all close cases:
- tabular forms (<tr>): removes inner form, re-enables link, shows hidden row
- measurements create form: removes self, enables trigger link, shows no-items

Data attributes already present on controller elements (data-form, data-link,
data-hidden-row) drive the behaviour. Two extra attributes on the create form
(data-cancel-enable, data-cancel-show) cover the non-tabular case.

Delete now-unused _form_close and _edit_form_close partial templates.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/test.yml

@@ -1,74 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  test-sqlite:
-    name: Tests (SQLite)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.3'
-          bundler-cache: true
-        env:
-          BUNDLE_WITH: "sqlite:development:test"
-
-      - name: Set up test database
-        run: bin/rails db:create db:schema:load
-        env:
-          RAILS_ENV: test
-
-      - name: Run tests
-        run: bin/rails test
-        env:
-          RAILS_ENV: test
-          CI: "true"
-
-  test-mysql:
-    name: Tests (MySQL)
-    runs-on: ubuntu-latest
-
-    services:
-      mysql:
-        image: mysql:8.0
-        env:
-          MYSQL_ROOT_PASSWORD: ""
-          MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
-          MYSQL_DATABASE: fixin_test
-        ports:
-          - 3306:3306
-        options: >-
-          --health-cmd="mysqladmin ping"
-          --health-interval=10s
-          --health-timeout=5s
-          --health-retries=3
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.3'
-          bundler-cache: true
-        env:
-          BUNDLE_WITH: "mysql:development:test"
-
-      - name: Set up test database
-        run: bin/rails db:schema:load
-        env:
-          RAILS_ENV: test
-          DB_ADAPTER: mysql
-
-      - name: Run tests
-        run: bin/rails test
-        env:
-          RAILS_ENV: test
-          CI: "true"
-          DB_ADAPTER: mysql

CLAUDE.md

@@ -0,0 +1,122 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+Fixin.me is a "quantified self" Rails 7.2.3 application for personal data tracking. Users define hierarchical **quantities** (metrics to track), **units** (with optional conversion hierarchies), and **readouts** (individual measurements). There is also a non-persistent **measurement** model used as a form wrapper.
+
+## Setup
+
+Configuration files are distributed as `.dist` templates — copy and customize before use:
+
+```bash
+cp config/application.rb.dist config/application.rb
+cp config/database.yml.dist config/database.yml
+cp config/puma.rb.dist config/puma.rb
+```
+
+```bash
+bundle config --local frozen true
+bundle config --local path .gem
+bundle config --local with mysql development test   # or: pg, sqlite
+bundle install
+RAILS_ENV=development bundle exec rails db:create db:migrate db:seed
+```
+
+## Common Commands
+
+```bash
+bundle exec rails s                                          # start server
+bundle exec rails test                                       # all unit/model/controller tests
+bundle exec rails test:system                                # all system tests (Capybara + Selenium)
+bundle exec rails test test/system/units_test.rb            # single test file
+bundle exec rails test --seed 64690 --name test_add_unit    # single test by name
+bundle exec rails db:seed:export                             # export default settings as seed file
+```
+
+## Architecture
+
+### Data Model
+
+- **Quantity** — hierarchical tree (self-referential `parent_id`). Cached `depth` and `pathname` fields are recomputed via recursive CTEs on write. Direct assignment to cached fields is blocked.
+- **Unit** — optional hierarchy via `base_id` and `multiplier` for unit conversion. Multiplier precision/scale is validated by a custom validator.
+- **Readout** — single measurement: `value` (IEEE 754 float), `quantity`, `unit`, `category`.
+- **Measurement** — `ActiveModel::Model` form wrapper (not database-backed); bridges the readout creation form.
+- **User** — Devise-managed with a status enum: `admin`, `active`, `restricted`, `locked`, `disabled`. Admins can disguise as other users.
+
+### Hierarchical Queries
+
+Both `Quantity` and `Unit` use recursive CTEs for tree traversal (ordered traversal, ancestors, progenies, common ancestors). `lib/core_ext/arel/` patches Arel to support CTE with `UPDATE`/`DELETE` statements, working around Rails issue #54658.
+
+### Custom Extensions (`lib/core_ext/`)
+
+- **arel/** — CTE support for UPDATE/DELETE
+- **active_model/** — precision/scale validator used by `Unit#multiplier`
+- **active_record/** — `attr_cached` mechanism (see `ApplicationRecord`)
+- **action_view/** — record identifier suffixes
+- Miscellaneous: `Array#delete_bang`, `BigDecimal` scientific notation
+
+### Response Handling
+
+Controllers respond to both HTML and Turbo Stream formats. Errors during Turbo Stream requests trigger a redirect with flash rather than rendering inline, handled in `ApplicationController`.
+
+### Numeric Precision
+
+Readout values are stored as IEEE 754 double-precision floats (not fixed-point decimals). Rationale in `DESIGN.md`: biological values span many orders of magnitude; 15-digit float precision is sufficient and avoids conversion overhead.
+
+### Routes
+
+```
+measurements   GET/POST /measurements
+readouts       GET/POST /readouts, DELETE /readouts/:id/discard
+quantities     CRUD + POST /quantities/:id/reparent
+units          CRUD + POST /units/:id/rebase
+users          CRUD + POST /users/:id/disguise, POST /users/revert
+default/       namespace for default units import/export and admin panel
+root           → /units (authenticated), /sign_in (unauthenticated)
+```
+
+## JavaScript Conventions
+
+### Use Stimulus for all JS behavior
+
+This app uses **Hotwire = Turbo + Stimulus**. All JavaScript behavior must be in Stimulus controllers under `app/javascript/controllers/`. Never use:
+- Inline HTML event handlers: `onclick="..."`, `onkeydown="..."`, `ondragstart="..."` etc.
+- Global `window.*` function exports
+- Bare `<script>` blocks in templates
+- `turbo:load` listeners for behavior that belongs in a controller's `connect()` lifecycle
+
+**Instead:**
+- Put behavior in a Stimulus controller method
+- Wire it with `data-action="event->controller#method"` in the template
+- Use `data-controller="name"` on the root element, `data-[name]-target="targetName"` for targets, `data-[name]-[valueName]-value="..."` for values
+- Use `connect()` / `disconnect()` for setup/teardown (MutationObservers, event listeners, etc.)
+
+Controller filename `foo_bar_controller.js` → identifier `foo-bar` → `data-controller="foo-bar"`.
+
+### No manual fetch() — use Turbo
+
+Never make AJAX requests with `fetch()` in JavaScript. Use Turbo's built-in mechanisms instead:
+
+- **Links/buttons that trigger server actions**: use `data: {turbo_stream: true}` on the element (link or button_to form).
+- **Dynamic form submissions from JS** (where HTML alone isn't enough): create a form element, append hidden inputs, and call `form.requestSubmit()`. Turbo intercepts it automatically — no manual CSRF handling, no `Turbo.renderStreamMessage()`.
+  ```javascript
+  var form = document.createElement('form');
+  form.action = url; form.method = 'post'; form.dataset.turboStream = 'true';
+  // append hidden inputs...
+  form.addEventListener('turbo:submit-end', function() { form.remove(); });
+  document.body.appendChild(form);
+  form.requestSubmit();
+  ```
+- **Server-rendered HTML**: use ERB partials and Turbo Stream views (`*.turbo_stream.erb`), never build HTML in JavaScript.
+
+### No HTML generation in JavaScript
+
+Never use JavaScript to build and insert HTML (no `innerHTML =`, no `createElement` trees for content). Render HTML server-side in ERB partials; update the DOM via Turbo Stream actions (`replace`, `update`, `append`, etc.).
+
+## Database Requirements
+
+The database must support:
+- Recursive CTEs with `UPDATE`/`DELETE` (MySQL ≥ 8.0, PostgreSQL, or SQLite3)
+- Decimal precision of 30+ digits

DESIGN.md

@@ -0,0 +1,34 @@
+DESIGN
+======
+
+Below is a list of design decisions. The justification is to be consulted
+whenever a change is considered, to avoid regressions.
+
+### Data type for DB storage of numeric values (`decimal` vs `float`)
+
+* among database engines supported (by Rails), SQLite offers storage of
+  `decimal` data type with the lowest precision, equal to the precision of
+  `REAL` type (double precision float value, IEEE 754), but in a floating point
+  format,
+    * decimal types in other database engines offer greater precision, but store
+      data in a fixed point format,
+* biology-related values differ by several orders of magnitude; storing them in
+  fixed point format would only make sense if required precision would be
+  greater than that offered by floating point format,
+    * even then, fixed point would mean either bigger memory requirements or
+      worse precision for numbers close to scale limit,
+        * for a fixed point format to use the same 8 bytes of storage as IEEE
+          754, precision would need to be limited to 18 digits (4 bytes/9 digits)
+          and scale approximately half of that - 9,
+    * double precision floating point guarantees 15 digits of precision, which
+      is more than enough for all expected use cases,
+        * single precision floating point only guarntees 6 digits of precision,
+          which is estimated to be too low for some use cases (e.g. storing
+          latitude/longitude with a resolution grater than 100m)
+* double precision floating point (IEEE 754) is a standard that ensures
+  compatibility with all database engines,
+    * the same data format is used internally by Ruby as a `Float`; it
+      guarantees no conversions between storage and computation,
+    * as a standard with hardware implementations ensures both: computing
+      efficiency and hardware/3rd party library compatibility as opposed to Ruby
+      custom `BigDecimal` type

Gemfile

@@ -25,6 +25,7 @@ gem "devise"
 
 gem "importmap-rails"
 gem "turbo-rails", "~> 2.0"
+gem "stimulus-rails"
 
 group :development, :test do
   gem "byebug"

Gemfile.lock

@@ -273,6 +273,8 @@ GEM
     sqlite3 (2.9.0-x86_64-darwin)
     sqlite3 (2.9.0-x86_64-linux-gnu)
     sqlite3 (2.9.0-x86_64-linux-musl)
+    stimulus-rails (1.3.4)
+      railties (>= 6.0.0)
     stringio (3.2.0)
     thor (1.5.0)
     tilt (2.7.0)
@@ -324,6 +326,7 @@ DEPENDENCIES
   selenium-webdriver
   sprockets-rails
   sqlite3 (~> 2.7)
+  stimulus-rails
   turbo-rails (~> 2.0)
   tzinfo-data
   web-console

app/assets/images/pictograms/view-columns.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="icon" viewBox="0 0 24 24"><path d="M4,4H8V20H4V4M10,4H14V20H10V4M16,4H21V20H16V4Z"/></svg>

app/assets/images/pictograms/view-rows.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="icon" viewBox="0 0 24 24"><path d="M3,5H21V7H3V5M3,11H21V13H3V11M3,17H21V19H3V17Z"/></svg>

app/assets/stylesheets/application.css

@@ -18,14 +18,12 @@
 /* Strive for simplicity:
  * * style elements/tags only - if possible,
  * * replace element/tag name with class name - if element has to be styled
- * differently depending on context (e.g. <form>; <a> as link/button),
+ * differently depending on context (e.g. <form>, <table>, <a> as link/button),
  * * styles with multiple selectors should have all selectors with same
  * specificity, to allow proper rule specificity vs order management.
  *
  * NOTE: style in a modular way, similar to how CSS @scope would be used,
  * to make transition easier once @scope is widely available. */
-/* TODO: review styles with multiple selectors and try to convert them to the same
- * specificity. */
 :root {
   --color-focus-gray: #f3f3f3;
   --color-border-gray: #dddddd;
@@ -38,6 +36,7 @@
   --color-blue: #009ade;
   --color-dark-red: #b21237;
   --color-red: #ff1f5b;
+  --color-purple: #8b2be2;
 
   --depth: 0;
 
@@ -57,8 +56,19 @@
 :focus-visible {
   outline: none;
 }
-
+/* NOTE: move to higher priority layer instead of using !important?; add CSS
-/* [hidden] submit elements cannot have `display` set as it makes them visible. */
+ * @layer requirements in README */
+[disabled] {
+  border-color: var(--color-border-gray) !important;
+  color: var(--color-border-gray) !important;
+  /* NOTE: cannot set cursor when `pointer-events: none`; can be fixed by setting
+   * `cursor` on wrapping element.
+  cursor: not-allowed; */
+  fill: var(--color-border-gray) !important;
+  pointer-events: none !important;
+}
+/* Styles set `display` without distinguishing between [hidden] elements, making
+ * them visible. */
 [hidden] {
   display: none !important;
 }
@@ -69,10 +79,13 @@
  *  gray - target for interaction with keyboard,
  *  red - destructive, non-undoable action.
  */
+/* TODO: merge selectors using :is() */
+a,
 button,
 details,
 input,
 select,
+summary,
 textarea {
   background-color: inherit;
   font: inherit;
@@ -90,14 +103,19 @@ textarea {
   border-radius: 0.25em;
   padding: 0.2em 0.4em;
 }
-[name=cancel],
+svg {
-.auxiliary {
+  height: 1.4em;
-  border-color: var(--color-border-gray);
+  margin: 0 0.2em 0 0;
-  color: var(--color-nav-gray);
+  width: 1.4em;
-  fill: var(--color-nav-gray);
+}
+svg:last-child {
+  margin-right: 0;
+}
+.chart-panel svg {
+  height: auto;
+  margin: 0;
+  width: auto;
 }
-input[type=checkbox],
-svg,
 textarea {
   margin: 0;
 }
@@ -115,11 +133,12 @@ input[type=checkbox]:checked {
   appearance: checkbox;
   -webkit-appearance: checkbox;
 }
-/* Hide spin buttons in input number fields */
+/* Hide spin buttons of <input type=number>. */
-/* TODO: add spin buttons inside input[number]: before (-) and after (+) input */
+/* TODO: add spin buttons inside <input type=number>: before (-) and after (+) input. */
 input[type=number] {
   appearance: textfield;
   -moz-appearance: textfield;
+  text-align: end;
 }
 input::-webkit-inner-spin-button {
   -webkit-appearance: none;
@@ -128,6 +147,30 @@ input::-webkit-outer-spin-button {
   -webkit-appearance: none;
   margin: 0;
 }
+/* Text color of table form controls:
+ *  - black for row/table forms,
+ *  - inherited for internal (column specific) buttons/forms. */
+table input,
+table select,
+table summary,
+table textarea {
+  border-color: var(--color-border-gray);
+}
+table input,
+table select,
+table textarea {
+  padding-block: 0.375em;
+}
+table form input,
+table form select,
+table form summary,
+table form textarea {
+  color: inherit;
+}
+table svg:not(:only-child) {
+  height: 1.25em;
+  width: 1.25em;
+}
 input:focus-visible,
 select:focus-visible,
 select:focus-within,
@@ -136,6 +179,7 @@ summary:focus-visible,
 textarea:focus-visible {
   accent-color: var(--color-dark-blue);
   background-color: var(--color-focus-gray);
+  color: black;
 }
 input:hover,
 select:hover,
@@ -146,8 +190,15 @@ textarea:hover {
 }
 select:hover,
 summary:hover {
+  color: black;
   cursor: pointer;
 }
+/* TODO: style <details>/<summary> focus to match <select> as much as possible.
+summary:focus-visible::before,
+summary:hover::before {
+  background-color: black;
+}
+ */
 input:invalid,
 select:invalid,
 textarea:invalid {
@@ -181,21 +232,21 @@ textarea:invalid {
   padding: 0.6em 0.5em;
   width: fit-content;
 }
+.link {
+  color: inherit;
+  text-decoration: underline 1px var(--color-border-gray);
+  text-underline-offset: 0.25em;
+}
+button.link {
+  border: none;
+  padding: 0;
+}
 [name=cancel],
 .auxiliary {
   border-color: var(--color-border-gray);
   color: var(--color-nav-gray);
   fill: var(--color-nav-gray);
 }
-.button > svg,
-.tab > svg {
-  height: 1.4em;
-  width: 1.4em;
-}
-.button > svg:not(:last-child),
-.tab > svg:not(:last-child) {
-  margin-right: 0.2em;
-}
 .button:focus-visible,
 .tab:focus-visible,
 .tab:hover {
@@ -211,13 +262,26 @@ textarea:invalid {
   background-color: var(--color-red);
   border-color: var(--color-red);
 }
-/* TODO: move normal, non-button links (<a>:hover/:focus) styling here (i.e.
+tr:has(select[data-changed]) button[name="button"],
- * page-wide, top-level) and remove from `table.items` - as the style should be
+.set-default-unit:not([disabled]) {
- * same everywhere. */
+  background-color: var(--color-purple);
-input[type=text]:read-only,
+  border-color: var(--color-purple);
-textarea:read-only {
+  color: white;
-  border: none;
+  fill: white;
-  padding-inline: 0;
+}
+.link:focus-visible {
+  text-decoration-color: var(--color-gray);
+}
+.link:hover {
+  color: var(--color-blue);
+  text-decoration-color: var(--color-blue);
+}
+table .button {
+  border-color: var(--color-border-gray);
+  color: var(--color-table-gray);
+  font-weight: normal;
+  height: 100%;
+  padding: 0.4em;
 }
 
 
@@ -230,16 +294,16 @@ body {
   grid-template-areas:
     "header    header  header"
     "nav       nav     nav"
-    "leftside  topside rightside"
     "leftside  main    rightside";
   grid-template-columns: 1fr minmax(max-content, 2fr) 1fr;
   font-family: system-ui;
   margin: 0.4em;
 }
-body:not(:has(.topside-area)) {
+body:has(> .topside-area) {
   grid-template-areas:
     "header    header  header"
     "nav       nav     nav"
+    "leftside  topside rightside"
     "leftside  main    rightside";
 }
 
@@ -314,7 +378,7 @@ header {
   pointer-events: auto;
 }
 .flash:before {
-  filter: invert();
+  filter: invert(100%);
   height: 1.4em;
   margin: 0 0.5em;
   width: 1.4em;
@@ -346,7 +410,6 @@ header {
 }
 
 
-/* TODO: Hover over invalid should work like in measurements (thin vs thick border) */
 .labeled-form {
   align-items: center;
   display: grid;
@@ -383,85 +446,79 @@ header {
 .labeled-form .auxiliary {
   grid-column: 3;
   /* If more buttons are needed, `grid-row` can be replaced with
-   * `reading-flow: grid-columns` to ensure proper tabindex order */
+   * `reading-flow: grid-columns` to ensure proper [tabindex] order. */
   grid-row: 1;
   height: 100%;
   padding-block: 0;
 }
 
+.tabular-form table {
+  border: none;
+  border-spacing: 0.4em 0;
+  margin-inline: -0.4em;
+}
+.tabular-form table td {
+  border: none;
+  vertical-align: middle;
+}
+.tabular-form table td {
+  padding-inline: 0;
+}
+.tabular-form table :is(form, input, select, textarea):only-child {
+  margin-inline-start: 0;
+}
 
-/* TODO: remove `.items` class (?) and make `form table` work properly. */
+
-table.items {
+.items-table {
   border-spacing: 0;
   border: 1px solid var(--color-border-gray);
   border-radius: 0.25em;
   font-size: 0.85rem;
   text-align: left;
 }
-table:not(:has(tr)) {
+.items-table thead {
-  display: none;
-}
-table.items thead {
   font-size: 0.8rem;
 }
-table.items thead,
+.items-table thead,
-table.items tbody tr:hover {
+.items-table tbody tr:hover {
   background-color: var(--color-focus-gray);
 }
-table.items th {
+.items-table th {
-  padding-block: 0.75em;
+  padding: 0.75em 0 0.75em 1em;
   text-align: center;
 }
-table.items th,
+.items-table th:last-child {
-table.items td {
-  padding-inline: 1em 0;
-}
-/* For <a> to fill <td> completely, we use an `::after` pseudoelement. */
-table.items td.link {
-  padding: 0;
-  position: relative;
-}
-table.items td.link a {
-  color: inherit;
-  font: inherit;
-}
-table.items td.link a::after {
-  content: '';
-  inset: 0;
-  position: absolute;
-}
-table.items td:first-child {
-  padding-inline-start: calc(1em + var(--depth) * 0.8em);
-}
-table.items td:has(input, select, textarea) {
-  padding-inline-start: calc(0.6em - 0.9px);
-}
-table.items td:first-child:has(input, select, textarea) {
-  padding-inline-start: calc(0.6em + var(--depth) * 0.8em - 0.9px);
-}
-table.items th:last-child {
   padding-inline-end: 0.4em;
 }
-table.items td:last-child {
+.items-table td {
-  padding-inline-end: 0.1em;
-}
-table.items td {
   border-top: 1px solid var(--color-border-gray);
   height: 2.4em;
-  padding-block: 0.1em;
+  padding: 0.1em 0 0.1em calc(1em + var(--depth) * 0.8em);
 }
-table.items .actions {
+.items-table td:last-child {
-  display: flex;
+  padding-inline-end: 0.1em;
+}
+.items-table :is(form, input, select, textarea):only-child {
+  margin-inline-start: calc(-0.4em - 0.9px);
+}
+/* For <a> to fill table cell completely, we use an `::after` pseudoelement. */
+/* TODO: expand to whole row? will require adjusting z-index on inputs/buttons */
+.items-table td:has(> .link) {
+  position: relative;
+}
+.items-table .link::after {
+  content: '';
+  inset: -1px 0 0 0;
+  position: absolute;
+}
+.items-table .flex {
   gap: 0.4em;
   justify-content: end;
 }
-table.items .actions.centered {
+.items-table .dropzone {
-  justify-content: center;
-}
-table.items tr.dropzone {
   position: relative;
 }
-table.items tr.dropzone::after {
+.items-table .dropzone::after {
   content: '';
   inset: 1px 0 0 0;
   position: absolute;
@@ -469,123 +526,57 @@ table.items tr.dropzone::after {
   outline-offset: -1px;
   z-index: var(--z-index-table-row-outline);
 }
-table.items td.handle {
+.items-table .handle {
-  cursor: move;
+  cursor: grab;
 }
-table.items tr.form td {
+.items-table .form td {
-  vertical-align: top;
+  vertical-align: middle;
 }
-
+.items-table td:not(:first-child),
-/* TODO: replace `:hover:focus-visible` combos with proper LOVE style order. */
-/* TODO: update table styling: simplify selectors, deduplicate, remove non-font rem. */
-table.items td.link a:hover,
-table.items td.link a:focus-visible,
-table.items td.link a:hover:focus-visible {
-  text-decoration: underline;
-  text-decoration-thickness: 0.05rem;
-  text-underline-offset: 0.2rem;
-}
-table.items td.link a:hover {
-  color: var(--color-blue);
-}
-table.items td.link a:focus-visible {
-  text-decoration-color: var(--color-gray);
-}
-table.items td.link a:hover:focus-visible {
-  color: var(--color-dark-blue);
-}
-
-table.items td:not(:first-child),
 .grayed {
   color: var(--color-table-gray);
-  fill: var(--color-table-gray);
+  fill: var(--color-gray);
 }
-table.items svg {
+.items-table td:has(> svg:only-child) {
-  height: 1rem;
-  vertical-align: middle;
-  width: 1rem;
-}
-table.items svg:last-child {
-  height: 1.2rem;
-  width: 1.2rem;
-}
-table.items td.svg {
   text-align: center;
 }
-table.items td.number {
-  text-align: right;
-}
-table.items .button {
-  font-weight: normal;
-  height: 100%;
-  padding: 0.4em;
-}
-table.items input:not([type=submit]):not([type=checkbox]),
-table.items select,
-table.items textarea {
-  padding-block: 0.375em;
-}
-
-table input,
-table select,
-table summary,
-table textarea {
-  border-color: var(--color-border-gray);
-}
-table select {
-  color: var(--color-table-gray);
-}
-table select:hover,
-table select:focus-within,
-table select:focus-visible {
-  color: black;
-}
-table .button {
-  border-color: var(--color-border-gray);
-  color: var(--color-table-gray);
-}
 
 
-form table.items {
+.center {
-  border: none;
-}
-form table.items td {
-  border: none;
-  text-align: left;
-  vertical-align: middle;
-}
-form table.items td:first-child {
-  color: inherit;
-}
-form table select {
-  color: black;
-}
-
-
-.centered {
   margin: 0 auto;
 }
-.extendedright {
-  margin-right: auto;
-}
 .hexpand {
   width: 100%;
 }
-.hflex {
+.flex {
   display: flex;
   gap: 0.8em;
 }
-.hflex.centered {
+.flex.reverse {
-  justify-content: center;
+  flex-direction: row-reverse;
 }
-.vexpand {
+.flex.vertical {
-  width: 100%;
-}
-.vflex {
-  display: flex;
-  gap: 0.8em;
   flex-direction: column;
 }
+.hint {
+  color: var(--color-table-gray);
+  font-style: italic;
+  font-size: 0.9rem;
+  text-align: center;
+}
+.hmin50 {
+  min-width: 50%;
+}
+.italic {
+  color: var(--color-gray);
+  font-style: italic;
+}
+.ralign {
+  text-align: right;
+}
+.rextend {
+  margin-right: auto;
+}
 
 
 details {
@@ -596,12 +587,12 @@ summary {
   align-items: center;
   color: var(--color-gray);
   display: flex;
-  gap: 0.2em;
+  gap: 0.4em;
   height: 100%;
   white-space: nowrap;
 }
 summary::before {
-  background-color: #000;
+  background-color: currentColor;
   content: "";
   height: 1em;
   mask-image: url('pictograms/chevron-down.svg');
@@ -624,14 +615,14 @@ summary span {
   width: 100%;
 }
 details[open] summary::before {
-  transform: rotate(180deg);
+  transform: scaleY(-1);
 }
 summary::marker {
   padding-left: 0.25em;
 }
 /* NOTE: use `details[open]::details-content` once widely available. */
 details[open] ul {
-  background: white;
+  background-color: white;
   border: 1px solid var(--color-border-gray);
   border-radius: 0.25em;
   box-shadow: 1px 1px 3px var(--color-border-gray);
@@ -661,3 +652,50 @@ li::marker {
  * * focused label styling (currently only checkbox has focus),
  * * disabled checkbox blue square focus removal.
  * */
+
+#measurement_form {
+  min-width: 66%;
+  width: max-content;
+}
+.measurements-section {
+  overflow-x: auto;
+}
+body[data-measurements-view=wide] .measurements-compact,
+body[data-measurements-view=compact] .measurements-wide {
+  display: none;
+}
+body[data-measurements-view=compact] .view-toggle[data-view=compact],
+body[data-measurements-view=wide] .view-toggle[data-view=wide] {
+  background-color: var(--color-blue);
+  border-color: var(--color-blue);
+  color: white;
+  fill: white;
+}
+.chart-panel {
+  width: 100%;
+}
+#measurements tr.grouped td {
+  border-top: none;
+}
+#measurements tr.grouped .taken-at,
+#measurements tr.grouped .created-at {
+  visibility: hidden;
+}
+.measurements-wide td {
+  vertical-align: middle;
+  white-space: nowrap;
+}
+.wide-cell {
+  align-items: center;
+  display: inline-flex;
+  gap: 0.25em;
+}
+.wide-cell .button {
+  border: none;
+  font-size: inherit;
+  height: auto;
+  padding: 0;
+}
+.wide-cell button.link::after {
+  content: none;
+}

app/controllers/application_controller.rb

@@ -9,7 +9,6 @@ class ApplicationController < ActionController::Base
   helper_method :current_user_disguised?
   helper_method :current_tab
 
-  before_action :redirect_to_setup_if_needed
   before_action :authenticate_user!
 
   class AccessForbidden < StandardError; end
@@ -56,16 +55,6 @@ class ApplicationController < ActionController::Base
 
   private
 
-  # Redirect to the web setup wizard when the application has not yet been
-  # initialised (i.e. no admin account exists in the database).
-  def redirect_to_setup_if_needed
-    return if User.exists?(status: :admin)
-    redirect_to new_setup_path
-  rescue ActiveRecord::StatementInvalid
-    # Tables may not exist yet (migrations not run). Fall through and let the
-    # normal request handling surface a meaningful error.
-  end
-
   def render_no_content(record)
     helpers.render_errors(record)
     render html: nil, layout: true

app/controllers/charts_controller.rb

@@ -0,0 +1,12 @@
+class ChartsController < ApplicationController
+  def index
+    readouts = current_user.readouts.includes(:quantity, :unit).order(:taken_at, :id)
+    @readouts_json = readouts.map { |r|
+      { takenAt: r.taken_at&.iso8601,
+        quantityId: r.quantity_id,
+        quantityName: r.quantity.name,
+        value: r.value.to_f,
+        unit: r.unit.symbol }
+    }.to_json
+  end
+end

app/controllers/measurements_controller.rb

@@ -1,13 +1,12 @@
 class MeasurementsController < ApplicationController
+  before_action :find_readout, only: [:destroy, :edit, :update]
+
   before_action except: :index do
     raise AccessForbidden unless current_user.at_least(:active)
   end
 
   def index
-    readouts = current_user.readouts.includes(:quantity, :unit).order(created_at: :desc)
+    load_measurements
-    @measurements = readouts.group_by(&:created_at).map do |created_at, grouped|
-      Measurement.new(created_at: created_at, readouts: grouped)
-    end
   end
 
   def new
@@ -15,33 +14,49 @@ class MeasurementsController < ApplicationController
   end
 
   def create
-    timestamp = Time.current
+    taken_at = params.permit(:taken_at)[:taken_at]
-    @readouts = readout_params.map do |rp|
+    readout_params = params.permit(readouts: Readout::ATTRIBUTES).fetch(:readouts, [])
-      r = current_user.readouts.new(rp)
+    @readouts = readout_params.map { |rp| current_user.readouts.build(rp.merge(taken_at: taken_at)) }
-      r.created_at = timestamp
+
-      r
+    if @readouts.present? && @readouts.all?(&:valid?)
+      ActiveRecord::Base.transaction { @readouts.each(&:save!) }
+      load_measurements
+      flash.now[:notice] = t('.success', count: @readouts.size)
+    else
+      errors = @readouts.flat_map { |r| r.errors.full_messages }
+      flash.now[:alert] = errors.present? ? errors.first : t('.no_readouts')
+    end
   end
 
-    if @readouts.all?(&:valid?)
+  def edit
-      Readout.transaction { @readouts.each(&:save!) }
+    @user_units = current_user.units.ordered
-      @measurement = Measurement.new(readouts: @readouts, created_at: timestamp)
+  end
+
+  def update
+    if @readout.update(params.require(:readout).permit(:value, :unit_id, :taken_at))
+      load_measurements
       flash.now[:notice] = t('.success')
     else
-      render :new, status: :unprocessable_entity
+      @user_units = current_user.units.ordered
+      render :edit
     end
   end
 
   def destroy
-    @measurement = Measurement.new(id: params[:id].to_i,
+    @readout.destroy!
-                                   created_at: Time.at(params[:id].to_i))
+    load_measurements
-    current_user.readouts.where(created_at: @measurement.created_at).delete_all
-    @measurements_empty = current_user.readouts.empty?
     flash.now[:notice] = t('.success')
   end
 
   private
 
-  def readout_params
+  def find_readout
-    params.require(:readouts).map { |r| r.permit(:quantity_id, :value, :unit_id) }
+    @readout = current_user.readouts.find(params[:id])
+  end
+
+  def load_measurements
+    @measurements = current_user.readouts.includes(:quantity, :unit).order(taken_at: :desc, id: :desc)
+    @wide_groups = @measurements.group_by(&:taken_at)
+    @wide_quantities = @measurements.map(&:quantity).uniq.sort_by(&:name)
   end
 end

app/controllers/quantities_controller.rb

@@ -8,6 +8,10 @@ class QuantitiesController < ApplicationController
     raise AccessForbidden unless current_user.at_least(:active)
   end
 
+  before_action only: [:new, :edit, :create, :update] do
+    @user_units = current_user.units.ordered
+  end
+
   def index
     @quantities = current_user.quantities.ordered.includes(:parent, :subquantities)
   end

app/controllers/readouts_controller.rb

@@ -1,23 +1,16 @@
 class ReadoutsController < ApplicationController
-  before_action :find_quantity, only: [:new, :discard]
+  before_action :find_quantities, only: [:new]
+  before_action :find_quantity, only: [:discard]
   before_action :find_prev_quantities, only: [:new, :discard]
 
   def new
-    new_quantities =
+    @quantities -= @prev_quantities
-      case params[:button]
+    # TODO: raise ParameterInvalid if new_quantities.empty?
-      when 'children'
+    @readouts = current_user.readouts.build(@quantities.map { |q| {quantity: q} })
-        @quantity.subquantities
-      when 'subtree'
-        @quantity.progenies
-      else
-        [@quantity]
-      end
-    new_quantities -= @prev_quantities
-    @readouts = current_user.readouts.build(new_quantities.map { |q| {quantity: q} })
 
     @user_units = current_user.units.ordered
 
-    quantities = @prev_quantities + new_quantities
+    quantities = @prev_quantities + @quantities
     @superquantity = current_user.quantities
       .common_ancestors(quantities.map(&:parent_id)).first
   end
@@ -31,6 +24,9 @@ class ReadoutsController < ApplicationController
 
   private
 
+  def find_quantities
+    @quantities = current_user.quantities.find(params[:quantity])
+  end
 
   def find_quantity
     @quantity = current_user.quantities.find_by!(id: params[:id])

app/controllers/setup_controller.rb

@@ -1,59 +0,0 @@
-# Handles the one-time web-based installation wizard.
-#
-# The wizard is only accessible when no admin account exists yet.  Once an
-# admin has been created the controller redirects every request to the root
-# path, so it can never be used to overwrite an existing installation.
-class SetupController < ActionController::Base
-  # Use the full application layout (header, flash, etc.) so the page looks
-  # consistent with the rest of the site.
-  layout "application"
-
-  before_action :redirect_if_installed
-
-  def new
-  end
-
-  def create
-    email    = params[:admin_email].to_s.strip
-    password = params[:admin_password].to_s
-    confirm  = params[:admin_password_confirmation].to_s
-
-    errors = []
-    errors << t(".email_blank")    if email.blank?
-    errors << t(".password_blank") if password.blank?
-    errors << t(".password_mismatch") if password != confirm
-
-    if errors.any?
-      flash.now[:alert] = errors.join("  ")
-      return render :new, status: :unprocessable_entity
-    end
-
-    user = User.new(email: email, password: password, status: :admin)
-    user.skip_confirmation!
-
-    unless user.save
-      flash.now[:alert] = user.errors.full_messages.join("  ")
-      return render :new, status: :unprocessable_entity
-    end
-
-    # Persist runtime settings chosen during setup.
-    Setting.set("skip_email_confirmation",
-                params[:skip_email_confirmation] == "1")
-
-    # Optionally seed the built-in default units.
-    if params[:seed_units] == "1"
-      load Rails.root.join("db/seeds/units.rb")
-    end
-
-    redirect_to new_user_session_path, notice: t(".success")
-  end
-
-  private
-
-  def redirect_if_installed
-    redirect_to root_path if User.exists?(status: :admin)
-  rescue ActiveRecord::StatementInvalid
-    # Tables are not yet migrated — stay on the setup page so the user sees a
-    # meaningful error rather than a crash.
-  end
-end

app/controllers/user/profiles_controller.rb

@@ -1,24 +1,11 @@
 class User::ProfilesController < Devise::RegistrationsController
   def destroy
-    if current_user.sole_admin?
+    # TODO: Disallow/disable deletion for last admin account; update :edit view
-      redirect_back fallback_location: edit_user_registration_path,
-        alert: t(".sole_admin")
-      return
-    end
     super
   end
 
   protected
 
-  def build_resource(hash = {})
-    super
-    # Skip the email confirmation step when the admin has enabled this option
-    # via the web setup wizard (stored as the "skip_email_confirmation" Setting).
-    # The account becomes active immediately so the user can sign in right after
-    # registering.
-    resource.skip_confirmation! if Setting.get("skip_email_confirmation") == "true"
-  end
-
   def update_resource(resource, params)
     # Based on update_with_password()
     if params[:password].blank?

app/helpers/application_helper.rb

@@ -86,6 +86,7 @@ module ApplicationHelper
     def initialize(...)
       super(...)
       @default_options.merge!(@options.slice(:form))
+      @default_html_options.merge!(@options.slice(:form))
     end
 
     [:text_field, :password_field, :text_area].each do |selector|
@@ -102,13 +103,17 @@ module ApplicationHelper
 
     def number_field(method, options = {})
       attr_type = object.type_for_attribute(method)
-      if attr_type.type == :decimal
+      case attr_type.type
+      when :decimal
         options[:value] = object.public_send(method)&.to_scientific
         options[:step] ||= BigDecimal(10).power(-attr_type.scale)
         options[:max] ||= BigDecimal(10).power(attr_type.precision - attr_type.scale) -
           options[:step]
         options[:min] = options[:min] == :step ? options[:step] : options[:min]
         options[:min] ||= -options[:max]
+        options[:size] ||= attr_type.precision / 2
+      when :float
+        options[:size] ||= 6
       end
       super
     end
@@ -148,7 +153,8 @@ module ApplicationHelper
   end
 
   def tabular_form_with(**options, &block)
-    extra_options = {builder: TabularFormBuilder, html: {autocomplete: 'off'}}
+    extra_options = {builder: TabularFormBuilder, class: 'tabular-form',
+                     html: {autocomplete: 'off'}}
     form_with(**merge_attributes(options, extra_options), &block)
   end
 
@@ -165,6 +171,7 @@ module ApplicationHelper
       ['measurements', 'scale-bathroom', :restricted],
       ['quantities', 'axis-arrow', :restricted, 'right'],
       ['units', 'weight-gram', :restricted],
+      ['charts', 'chart-line', :restricted],
       # TODO: display users tab only if >1 user present; sole_user?/sole_admin?
       ['users', 'account-multiple-outline', :admin],
     ]

app/helpers/quantities_helper.rb

@@ -1,9 +1,9 @@
 module QuantitiesHelper
-  def quantities_check_boxes
+  def quantities_check_boxes(quantities)
     # Closing <details> on focusout event depends on relatedTarget for internal
     # actions being non-null. To ensure this, all top-layer elements of
     # ::details-content must accept focus, e.g. <label> needs tabindex="-1" */
-    collection_check_boxes(nil, :quantity, @quantities, :id, :to_s_with_depth,
+    collection_check_boxes(nil, :quantity, quantities, :id, :to_s_with_depth,
                            include_hidden: false) do |b|
       content_tag :li, b.label(tabindex: -1) { b.check_box + b.text }
     end

app/javascript/application.js

@@ -1,54 +1,15 @@
 // Configure your import map in config/importmap.rb. Read more:
 // https://github.com/rails/importmap-rails
 import "@hotwired/turbo-rails"
+import "controllers"
 
 
 /* Hide page before loaded for testing purposes */
-function showPage(event) {
+function showPage() {
   document.documentElement.style.visibility = "visible"
 }
 document.addEventListener('turbo:load', showPage)
 
-function detailsChange(event) {
-  var target = event.currentTarget
-  var count = target.querySelectorAll('input:checked:not([disabled])').length
-  var span = target.querySelector('summary > span')
-  var button = target.querySelector('button')
-  if (count > 0) {
-    span.textContent = count + ' selected';
-    Turbo.StreamElement.prototype.enableElement(button)
-  } else {
-    span.textContent = span.getAttribute('data-prompt')
-    Turbo.StreamElement.prototype.disableElement(button)
-  }
-}
-window.detailsChange = detailsChange
-
-/* Close open <details> when focus lost */
-function detailsClose(event) {
-  if (!event.relatedTarget ||
-      event.relatedTarget.closest("details") != event.currentTarget) {
-    event.currentTarget.removeAttribute("open")
-  }
-}
-window.detailsClose = detailsClose
-
-window.detailsObserver = new MutationObserver((mutations) => {
-  mutations[0].target.dispatchEvent(new Event('change', {bubbles: true}))
-});
-
-function formValidate(event) {
-  var id = event.submitter.getAttribute("data-validate")
-  if (!id) return;
-
-  var input = document.getElementById(id)
-  if (!input.checkValidity()) {
-    input.reportValidity()
-    event.preventDefault()
-  }
-}
-window.formValidate = formValidate
-
 
 /* Turbo stream actions */
 Turbo.StreamElement.prototype.disableElement = function(element) {
@@ -111,117 +72,3 @@ Turbo.StreamActions.unselect = function() {
     this.enableElement(e)
   })
 }
-
-function formProcessKey(event) {
-  switch (event.key) {
-    case "Escape":
-      event.currentTarget.querySelector("a[name=cancel]").click()
-      break
-    case "Enter":
-      event.currentTarget.querySelector("button[name=button]").click()
-      event.preventDefault()
-      break
-  }
-}
-window.formProcessKey = formProcessKey
-
-function detailsProcessKey(event) {
-  // TODO: up/down arrows to move focus to prev/next line
-  switch (event.key) {
-    case "Escape":
-      if (event.currentTarget.hasAttribute("open")) {
-        event.currentTarget.removeAttribute("open")
-        event.stopPropagation()
-      }
-      break
-    case "Enter":
-      var button = event.currentTarget.querySelector("button:not([disabled])")
-      if (button) {
-        button.click()
-        // Autofocus won't be respected unless target is blurred
-        event.target.blur()
-        event.preventDefault()
-        event.stopPropagation()
-      }
-      break
-  }
-}
-window.detailsProcessKey = detailsProcessKey;
-
-/* Items table drag and drop support */
-var lastEnterTime
-function dragStart(event) {
-  lastEnterTime = event.timeStamp
-  var row = event.currentTarget
-  row.closest("table").querySelectorAll("thead tr").forEach((tr) => {
-    tr.toggleAttribute("hidden")
-  })
-  event.dataTransfer.setData("text/plain", row.getAttribute("data-drag-path"))
-  var rowRectangle = row.getBoundingClientRect()
-  event.dataTransfer.setDragImage(row, event.x - rowRectangle.left, event.y - rowRectangle.top)
-  event.dataTransfer.dropEffect = "move"
-}
-window.dragStart = dragStart
-
-/*
-* Drag tracking assumptions (based on FF 122.0 experience):
-*   * Enter/Leave events at the same timeStamp may not be logically ordered
-*     (e.g. E -> E -> L, not E -> L -> E),
-*   * not every Enter event has corresponding Leave event, especially during
-*     rapid pointer moves
-* NOTE: sometimes Leave is not emitted when pointer goes fast over table
-* and outside. This should probably be fixed in browser, than patched here.
-*/
-function dragEnter(event) {
-  //console.log(event.timeStamp + " " + event.type + ": " + event.currentTarget.id)
-  dragLeave(event)
-  lastEnterTime = event.timeStamp
-  const id = event.currentTarget.getAttribute("data-drop-id")
-  document.getElementById(id).classList.add("dropzone")
-}
-window.dragEnter = dragEnter
-
-function dragOver(event) {
-  event.preventDefault()
-}
-window.dragOver = dragOver
-
-function dragLeave(event) {
-  //console.log(event.timeStamp + " " + event.type + ": " + event.currentTarget.id)
-  // Leave has been accounted for by Enter at the same timestamp, processed earlier
-  if (event.timeStamp <= lastEnterTime) return
-  event.currentTarget.closest("table").querySelectorAll(".dropzone").forEach((tr) => {
-    tr.classList.remove("dropzone")
-  })
-}
-window.dragLeave = dragLeave
-
-function dragEnd(event) {
-  dragLeave(event)
-  event.currentTarget.closest("table").querySelectorAll("thead tr").forEach((tr) => {
-    tr.toggleAttribute("hidden")
-  })
-}
-window.dragEnd = dragEnd
-
-function drop(event) {
-  event.preventDefault()
-
-  var params = new URLSearchParams()
-  var id_param = event.currentTarget.getAttribute("data-drop-id-param")
-  var id = event.currentTarget.getAttribute("data-drop-id").split("_").pop()
-  params.append(id_param, id)
-
-  fetch(event.dataTransfer.getData("text/plain"), {
-    body: params,
-    headers: {
-      "Accept": "text/vnd.turbo-stream.html",
-      "X-CSRF-Token": document.head.querySelector("meta[name=csrf-token]").content,
-      "X-Requested-With": "XMLHttpRequest"
-    },
-    method: "POST"
-  })
-  .then(response => response.text())
-  .then(html => Turbo.renderStreamMessage(html))
-}
-window.drop = drop

app/javascript/controllers/application.js

@@ -0,0 +1,7 @@
+import { Application } from "@hotwired/stimulus"
+
+const application = Application.start()
+application.debug = false
+window.Stimulus = application
+
+export { application }

app/javascript/controllers/charts_controller.js

@@ -0,0 +1,45 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = ["container", "data"]
+
+  connect() {
+    const readouts = JSON.parse(this.dataTarget.textContent)
+    if (readouts.length === 0) return
+
+    const quantities = new Map()
+    readouts.forEach(r => {
+      if (!r.takenAt) return
+      if (!quantities.has(r.quantityId)) {
+        quantities.set(r.quantityId, { name: r.quantityName, unit: r.unit, x: [], y: [] })
+      }
+      const q = quantities.get(r.quantityId)
+      q.x.push(r.takenAt)
+      q.y.push(r.value)
+    })
+
+    const traces = []
+    quantities.forEach(q => {
+      traces.push({
+        x: q.x, y: q.y,
+        mode: 'lines+markers', type: 'scatter',
+        name: q.name + ' (' + q.unit + ')',
+        marker: { size: 5 }
+      })
+    })
+
+    const div = document.createElement('div')
+    div.className = 'chart-panel'
+    this.containerTarget.appendChild(div)
+
+    Plotly.newPlot(div, traces, {
+      xaxis: { type: 'date', tickformat: '%Y-%m-%d %H:%M' },
+      yaxis: {},
+      margin: { t: 20, r: 20, b: 80, l: 60 },
+      paper_bgcolor: 'transparent',
+      plot_bgcolor: 'transparent',
+      font: { family: 'system-ui' },
+      legend: { orientation: 'h', y: -0.25 }
+    }, { responsive: true, displayModeBar: false })
+  }
+}

app/javascript/controllers/details_controller.js

@@ -0,0 +1,55 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = ["countLabel", "submitButton", "list"]
+
+  connect() {
+    this._observer = new MutationObserver(() => {
+      this.element.dispatchEvent(new Event('change', { bubbles: true }))
+    })
+    this._observer.observe(this.listTarget, { subtree: true, attributeFilter: ['disabled'] })
+  }
+
+  disconnect() {
+    this._observer?.disconnect()
+  }
+
+  change() {
+    const count = this.element.querySelectorAll('input:checked:not([disabled])').length
+    if (count > 0) {
+      this.countLabelTarget.textContent = count + ' selected'
+      Turbo.StreamElement.prototype.enableElement(this.submitButtonTarget)
+    } else {
+      this.countLabelTarget.textContent = this.countLabelTarget.dataset.prompt
+      Turbo.StreamElement.prototype.disableElement(this.submitButtonTarget)
+    }
+  }
+
+  close(event) {
+    if (!event.relatedTarget ||
+        event.relatedTarget.closest("details") != this.element) {
+      this.element.removeAttribute("open")
+    }
+  }
+
+  processKey(event) {
+    switch (event.key) {
+      case "Escape":
+        if (this.element.hasAttribute("open")) {
+          this.element.removeAttribute("open")
+          event.stopPropagation()
+        }
+        break
+      case "Enter": {
+        const button = this.element.querySelector("button:not([disabled])")
+        if (button) {
+          button.click()
+          event.target.blur()
+          event.preventDefault()
+          event.stopPropagation()
+        }
+        break
+      }
+    }
+  }
+}

app/javascript/controllers/drag_controller.js

@@ -0,0 +1,62 @@
+import { Controller } from "@hotwired/stimulus"
+
+// Shared across all instances — drag spans multiple elements
+let lastEnterTime
+
+export default class extends Controller {
+  static values = {
+    dragPath: String,
+    dropId: String,
+    dropIdParam: String
+  }
+
+  start(event) {
+    lastEnterTime = event.timeStamp
+    this.element.closest("table").querySelectorAll("thead tr").forEach(tr => {
+      tr.toggleAttribute("hidden")
+    })
+    event.dataTransfer.setData("text/plain", this.dragPathValue)
+    const rect = this.element.getBoundingClientRect()
+    event.dataTransfer.setDragImage(this.element, event.x - rect.left, event.y - rect.top)
+    event.dataTransfer.dropEffect = "move"
+  }
+
+  end(event) {
+    this.leave(event)
+    this.element.closest("table").querySelectorAll("thead tr").forEach(tr => {
+      tr.toggleAttribute("hidden")
+    })
+  }
+
+  enter(event) {
+    this.leave(event)
+    lastEnterTime = event.timeStamp
+    document.getElementById(this.dropIdValue)?.classList.add("dropzone")
+  }
+
+  over(event) {
+    event.preventDefault()
+  }
+
+  leave(event) {
+    if (event.timeStamp <= lastEnterTime) return
+    this.element.closest("table").querySelectorAll(".dropzone").forEach(tr => {
+      tr.classList.remove("dropzone")
+    })
+  }
+
+  drop(event) {
+    event.preventDefault()
+    const id = this.dropIdValue.split("_").pop()
+    const form = document.createElement('form')
+    form.action = event.dataTransfer.getData("text/plain")
+    form.method = 'post'
+    form.dataset.turboStream = 'true'
+    const input = document.createElement('input')
+    input.type = 'hidden'; input.name = this.dropIdParamValue; input.value = id
+    form.appendChild(input)
+    form.addEventListener('turbo:submit-end', () => form.remove())
+    document.body.appendChild(form)
+    form.requestSubmit()
+  }
+}

app/javascript/controllers/form_controller.js

@@ -0,0 +1,51 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  processKey(event) {
+    switch (event.key) {
+      case "Escape":
+        this.element.querySelector("a[name=cancel]").click()
+        break
+      case "Enter":
+        this.element.querySelector("button[name=button]").click()
+        event.preventDefault()
+        break
+    }
+  }
+
+  validate(event) {
+    const id = event.submitter?.getAttribute("data-validate")
+    if (!id) return
+    const input = document.getElementById(id)
+    if (!input.checkValidity()) {
+      input.reportValidity()
+      event.preventDefault()
+    }
+  }
+
+  cancel(event) {
+    event.preventDefault()
+    const el = this.element
+
+    // Move focus to next open form if this one had focus
+    const focused = document.activeElement
+    if (!focused || focused === document.body || el.contains(focused)) {
+      const next = el.parentElement?.querySelector(`#${el.id} ~ tr:has([autofocus])`)
+        ?? el.parentElement?.querySelector("tr:has([autofocus])")
+      next?.querySelector("[autofocus]")?.focus()
+    }
+
+    // Remove associated inner form element (tabular: <tr> wraps a separate <form>)
+    document.getElementById(el.dataset.form)?.remove()
+
+    // Re-enable trigger link
+    const enableId = el.dataset.link ?? el.dataset.cancelEnable
+    if (enableId) Turbo.StreamElement.prototype.enableElement(document.getElementById(enableId))
+
+    // Show hidden row (tabular forms) or no-items placeholder (create form)
+    document.getElementById(el.dataset.hiddenRow)?.removeAttribute("style")
+    document.getElementById(el.dataset.cancelShow)?.style.removeProperty("display")
+
+    el.remove()
+  }
+}

app/javascript/controllers/index.js

@@ -0,0 +1,3 @@
+import { application } from "controllers/application"
+import { eagerLoadControllersFrom } from "@hotwired/stimulus-loading"
+eagerLoadControllersFrom("controllers", application)

app/javascript/controllers/measurements_controller.js

@@ -0,0 +1,29 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = ["tbody"]
+
+  connect() {
+    this.#group()
+    this._observer = new MutationObserver(() => this.#group())
+    this._observer.observe(this.tbodyTarget, {
+      childList: true, subtree: true,
+      attributes: true, attributeFilter: ['style']
+    })
+  }
+
+  disconnect() {
+    this._observer?.disconnect()
+  }
+
+  #group() {
+    let prevTakenAt = null
+    Array.from(this.tbodyTarget.querySelectorAll('tr[data-taken-at]'))
+      .filter(row => row.style.display !== 'none')
+      .forEach(row => {
+        const takenAt = row.dataset.takenAt
+        row.classList.toggle('grouped', takenAt !== null && takenAt === prevTakenAt)
+        prevTakenAt = takenAt
+      })
+  }
+}

app/javascript/controllers/measurements_view_controller.js

@@ -0,0 +1,17 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  connect() {
+    document.body.dataset.measurementsView = this.#get()
+  }
+
+  set(event) {
+    const view = event.params.name
+    localStorage.setItem('measurements-view', view)
+    document.body.dataset.measurementsView = view
+  }
+
+  #get() {
+    return localStorage.getItem('measurements-view') || 'compact'
+  }
+}

app/javascript/controllers/readout_unit_controller.js

@@ -0,0 +1,36 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  static targets = ["select", "button"]
+
+  unitChanged() {
+    if (this.selectTarget.value && this.selectTarget.value !== this.selectTarget.dataset.defaultUnitId) {
+      Turbo.StreamElement.prototype.enableElement(this.buttonTarget)
+    } else {
+      Turbo.StreamElement.prototype.disableElement(this.buttonTarget)
+    }
+  }
+
+  setDefault() {
+    const select = this.selectTarget
+    const form = document.createElement('form')
+    form.action = this.buttonTarget.dataset.path
+    form.method = 'post'
+    form.dataset.turboStream = 'true'
+    const methodInput = document.createElement('input')
+    methodInput.type = 'hidden'; methodInput.name = '_method'; methodInput.value = 'patch'
+    const unitInput = document.createElement('input')
+    unitInput.type = 'hidden'; unitInput.name = 'quantity[default_unit_id]'; unitInput.value = select.value
+    form.appendChild(methodInput)
+    form.appendChild(unitInput)
+    form.addEventListener('turbo:submit-end', event => {
+      if (event.detail.success) {
+        select.dataset.defaultUnitId = select.value
+        this.unitChanged()
+      }
+      form.remove()
+    })
+    document.body.appendChild(form)
+    form.requestSubmit()
+  }
+}

app/models/measurement.rb

@@ -1,17 +1,3 @@
 class Measurement
   include ActiveModel::Model
-
-  attr_accessor :readouts, :created_at
-
-  def id
-    created_at.to_i
-  end
-
-  def to_param
-    id.to_s
-  end
-
-  def persisted?
-    true
-  end
 end

app/models/quantity.rb

@@ -1,9 +1,10 @@
 class Quantity < ApplicationRecord
-  ATTRIBUTES = [:name, :description, :parent_id]
+  ATTRIBUTES = [:name, :description, :parent_id, :default_unit_id]
   attr_cached :depth, :pathname
 
   belongs_to :user, optional: true
   belongs_to :parent, optional: true, class_name: "Quantity"
+  belongs_to :default_unit, optional: true, class_name: "Unit"
   has_many :subquantities, ->{ order(:name) }, class_name: "Quantity",
     inverse_of: :parent, dependent: :restrict_with_error
 
@@ -15,8 +16,8 @@ class Quantity < ApplicationRecord
     errors.add(:parent, :descendant_reference) if ancestor_of?(parent)
   end
   validates :name, presence: true, uniqueness: {scope: [:user_id, :parent_id]},
-    length: {maximum: type_for_attribute(:name).limit || Float::INFINITY}
+    length: {maximum: type_for_attribute(:name).limit}
-  validates :description, length: {maximum: type_for_attribute(:description).limit || Float::INFINITY}
+  validates :description, length: {maximum: type_for_attribute(:description).limit}
 
   # Update :depths of progenies after parent change
   before_save if: :parent_changed? do
@@ -61,8 +62,8 @@ class Quantity < ApplicationRecord
 
   # Return: ordered [sub]hierarchy
   scope :ordered, ->(root: nil, include_root: true) {
-    if connection.adapter_name =~ /mysql/i
     numbered = Arel::Table.new('numbered')
+
     self.model.with(numbered: numbered(:parent_id, :name)).with_recursive(arel_table.name => [
       numbered.project(
         numbered[Arel.star],
@@ -73,14 +74,6 @@ class Quantity < ApplicationRecord
         arel_table[:path].concat(numbered[:child_number])
       ).join(arel_table).on(numbered[:parent_id].eq(arel_table[:id]))
     ]).order(arel_table[:path])
-    elsif root.nil?
-      # SQLite: pathname column already stores the full hierarchical path
-      order(:pathname)
-    else
-      root_pathname = unscoped.where(id: root).pick(:pathname)
-      scope = order(:pathname).where("pathname LIKE ?", "#{root_pathname}#{PATHNAME_DELIMITER}%")
-      include_root ? scope.or(where(id: root)) : scope
-    end
   }
 
   # TODO: extract named functions to custom Arel extension

app/models/readout.rb

@@ -1,5 +1,5 @@
 class Readout < ApplicationRecord
-  ATTRIBUTES = [:quantity_id, :value, :unit_id]
+  ATTRIBUTES = [:quantity_id, :value, :unit_id, :taken_at]
 
   belongs_to :user
   belongs_to :quantity

app/models/setting.rb

@@ -1,20 +0,0 @@
-# Key-value store for runtime application settings that are configured through
-# the web setup wizard (or updated by an administrator) rather than hard-coded
-# in application.rb.
-#
-# Known keys:
-#   skip_email_confirmation  – "true"/"false", mirrors the homonymous option
-#                              that was previously in application.rb.
-class Setting < ApplicationRecord
-  validates :key, presence: true, uniqueness: true
-
-  # Return the string value stored for +key+, or +default+ when absent.
-  def self.get(key, default: nil)
-    find_by(key: key)&.value || default
-  end
-
-  # Persist +value+ for +key+, creating the record if it does not yet exist.
-  def self.set(key, value)
-    find_or_initialize_by(key: key).update!(value: value.to_s)
-  end
-end

app/models/unit.rb

@@ -12,8 +12,8 @@ class Unit < ApplicationRecord
     errors.add(:base, :multilevel_nesting) if base.base_id?
   end
   validates :symbol, presence: true, uniqueness: {scope: :user_id},
-    length: {maximum: type_for_attribute(:symbol).limit || Float::INFINITY}
+    length: {maximum: type_for_attribute(:symbol).limit}
-  validates :description, length: {maximum: type_for_attribute(:description).limit || Float::INFINITY}
+  validates :description, length: {maximum: type_for_attribute(:description).limit}
   validates :multiplier, numericality: {equal_to: 1}, unless: :base
   validates :multiplier, numericality: {greater_than: 0, precision: true, scale: true}, if: :base
 
@@ -26,8 +26,10 @@ class Unit < ApplicationRecord
     other_bases_units = arel_table.alias('other_bases_units')
     sub_units = arel_table.alias('sub_units')
 
+    # TODO: move inner 'with' CTE to outer 'with recursive' - it can have multiple
+    # CTEs, even non recursive ones.
     Unit.with_recursive(actionable_units: [
-      self.or(Unit.defaults).left_joins(:base)
+      Unit.with(units: self.or(Unit.defaults)).left_joins(:base)
         .where.not(
           # Exclude Units that are/have default counterpart
           Arel::SelectManager.new.project(1).from(other_units)
@@ -63,14 +65,8 @@ class Unit < ApplicationRecord
         ),
       # Fill base Units to display proper hierarchy. Duplicates will be removed
       # by final group() - can't be deduplicated with UNION due to 'portable' field.
-      # Use ActiveRecord::Relation (not a raw SelectManager) so the SQLite Arel
+      arel_table.join(actionable_units).on(actionable_units[:base_id].eq(arel_table[:id]))
-      # visitor does not wrap it in parentheses inside the UNION ALL CTE body.
+        .project(arel_table[Arel.star], Arel::Nodes.build_quoted(nil).as('portable'))
-      Unit.joins(
-        arel_table.create_join(
-          actionable_units,
-          arel_table.create_on(actionable_units[:base_id].eq(arel_table[:id]))
-        )
-      ).select(arel_table[Arel.star], Arel::Nodes.build_quoted(nil).as('portable'))
     ]).select(units: [:base_id, :symbol])
       .select(
         units[:id].minimum.as('id'), # can be ANY_VALUE()
@@ -78,7 +74,7 @@ class Unit < ApplicationRecord
         Arel::Nodes.build_quoted(1).as('multiplier'), # disregard multiplier when sorting
         units[:portable].minimum.as('portable')
       )
-      .from(units).group(units[:base_id], units[:symbol])
+      .from(units).group(:base_id, :symbol)
   }
   scope :ordered, ->{
     left_outer_joins(:base).order(ordering)
@@ -87,8 +83,8 @@ class Unit < ApplicationRecord
   def self.ordering
     [arel_table.coalesce(Arel::Table.new(:bases_units)[:symbol], arel_table[:symbol]),
      arel_table[:base_id].not_eq(nil),
-     arel_table[:multiplier],
+     :multiplier,
-     arel_table[:symbol]]
+     :symbol]
   end
 
   before_destroy do

app/models/user.rb

@@ -29,11 +29,4 @@ class User < ApplicationRecord
   def at_least(status)
     User.statuses[self.status] >= User.statuses[status]
   end
-
-  # Returns true when this user is the only admin account in the system.
-  # Used to block actions that would leave the application without an admin
-  # (account deletion, status demotion).
-  def sole_admin?
-    admin? && !User.admin.where.not(id: id).exists?
-  end
 end

app/views/charts/index.html.erb

@@ -0,0 +1,4 @@
+<div data-controller="charts">
+  <div class="main-area" id="measurements-charts" data-charts-target="container"></div>
+  <script id="charts-data" type="application/json" data-charts-target="data"><%= raw @readouts_json %></script>
+</div>

app/views/default/units/_unit.html.erb

@@ -5,7 +5,7 @@
   </td>
 
   <% if current_user.at_least(:active) %>
-    <td class="actions">
+    <td class="flex">
       <% unless unit.portable.nil? %>
         <% if unit.default? %>
           <%= image_button_to_if unit.portable?, t('.import'), 'download-outline',

app/views/default/units/index.html.erb

@@ -8,7 +8,7 @@
     class: 'tools-area' %>
 </div>
 
-<table class="main-area items">
+<table class="main-area items-table">
   <thead>
     <tr>
       <th><%= Unit.human_attribute_name(:symbol) %></th>

app/views/layouts/application.html.erb

@@ -14,6 +14,7 @@
     <%= csp_meta_tag %>
 
     <%= stylesheet_link_tag "spreadsheet" %>
+    <script src="https://cdn.plot.ly/plotly-basic-2.35.2.min.js"></script>
     <%= javascript_importmap_tags %>
 
     <%#= turbo_page_requires_reload_tag %>
@@ -23,10 +24,10 @@
   </head>
 
   <body>
-    <header class="hflex">
+    <header class="flex">
       <%= image_link_to t(".source_code"), "code-braces", source_code_url %>
       <%= image_link_to t(".issue_tracker"), "bug-outline", issue_tracker_url,
-            class: "extendedright" %>
+        class: "rextend" %>
       <% if user_signed_in? %>
         <%= image_link_to_unless_current(current_user, "account-wrench-outline",
           edit_user_registration_path) %>

app/views/measurements/_edit_form.html.erb

@@ -0,0 +1,25 @@
+<%= tabular_fields_for @readout, form: form_tag do |form| %>
+  <%- tag.tr id: row, class: "form",
+    data: {controller: 'form', action: 'keydown->form#processKey',
+           form: form_tag, hidden_row: hidden_row, link: link} do %>
+    <td><%= @readout.quantity %></td>
+    <td class="ralign">
+      <%= form.number_field :value, required: true, autofocus: true %>
+    </td>
+    <td>
+      <%= form.collection_select :unit_id, @user_units, :id,
+        ->(u){ sanitize('&emsp;' * (u.base_id? ? 1 : 0) + u.symbol) },
+        {}, required: true %>
+    </td>
+    <td>
+      <%= form.datetime_field :taken_at %>
+    </td>
+    <td></td>
+    <td class="flex">
+      <%= form.button %>
+      <%= image_link_to t(:cancel), "close-outline", measurements_path,
+        class: 'dangerous', name: :cancel,
+        data: {action: 'click->form#cancel'} %>
+    </td>
+  <% end %>
+<% end %>

app/views/measurements/_edit_panel.html.erb

@@ -0,0 +1,34 @@
+<% form_tag = dom_id(@readout, :edit, :form) %>
+<% row = dom_id(@readout, :edit) %>
+<% hidden_row = dom_id(@readout) %>
+
+<%= tabular_form_with model: @readout, url: measurement_path(@readout),
+  id: form_tag do |form| %>
+  <table class="items-table">
+    <tbody>
+      <%= tag.tr id: row, class: "form",
+        data: {controller: 'form', action: 'keydown->form#processKey',
+               form: form_tag, hidden_row: hidden_row} do %>
+        <td><%= @readout.quantity %></td>
+        <td class="ralign">
+          <%= form.number_field :value, required: true, autofocus: true %>
+        </td>
+        <td>
+          <%= form.collection_select :unit_id, @user_units, :id,
+            ->(u){ sanitize('&emsp;' * (u.base_id? ? 1 : 0) + u.symbol) },
+            {}, required: true %>
+        </td>
+        <td>
+          <%= form.datetime_field :taken_at %>
+        </td>
+        <td></td>
+        <td class="flex">
+          <%= form.button %>
+          <%= image_link_to t(:cancel), "close-outline", measurements_path,
+            class: 'dangerous', name: :cancel,
+            data: {action: 'click->form#cancel'} %>
+        </td>
+      <% end %>
+    </tbody>
+  </table>
+<% end %>

app/views/measurements/_form.html.erb

@@ -1,31 +1,41 @@
-<%= tabular_form_with model: Measurement.new do |form| %>
+<%= tabular_form_with model: Measurement.new, id: :measurement_form,
-  <fieldset>
+  class: 'topside-area flex vertical center',
-    <table class="items centered">
+  html: {data: {controller: 'form', action: 'keydown->form#processKey',
+                cancel_enable: 'new_measurement_link',
+                cancel_show: 'no_items'}} do |form| %>
+
+  <table class="items-table center">
     <tbody id="readouts">
-        <tr id="readouts_form">
+      <%= tabular_fields_for @measurement do |form| %>
-          <td colspan="4">
+        <tr class="italic">
-            <%= collection_select :quantity, :id, @quantities, :id, :to_s_with_depth,
+          <td class="hexpand hmin50"><%= t '.taken_at_html' %></td>
-              {prompt: t('.select_quantity'), disabled: '', selected: ''},
+          <td colspan="3" class="ralign">
-              {name: :id, class: 'quantity vexpand',
+            <%= form.datetime_field :taken_at, required: true, value: Time.current.strftime('%Y-%m-%dT%H:%M') %>
-               onchange: "this.form.requestSubmit(new_readout_submit);"} %>
-            <%= form.submit id: :new_readout_submit, name: nil, value: nil,
-              formaction: new_readout_path, formmethod: :get, formnovalidate: true,
-              hidden: true, data: {turbo_stream: true} %>
           </td>
         </tr>
+      <% end %>
     </tbody>
   </table>
-  </fieldset>
+
-  <div class="hflex centered">
+  <%# TODO: right-click selection; unnecessary with hierarchical tags? %>
-    <%= form.button -%>
+  <details id="quantity_select" class="center hexpand" open
+           data-controller="details"
+           data-action="focusout->details#close change->details#change keydown->details#processKey">
+    <summary autofocus>
+      <!-- TODO: Set content with CSS when span empty to avoid duplication -->
+      <span data-prompt="<%= t('.select_quantity') %>" data-details-target="countLabel">
+        <%= t('.select_quantity') %>
+      </span>
+      <%= image_button_tag t(:apply), "update", name: nil, disabled: true,
+        formaction: new_readout_path, formmethod: :get, formnovalidate: true,
+        data: {turbo_stream: true, details_target: 'submitButton'} %>
+    </summary>
+    <ul data-details-target="list"><%= quantities_check_boxes(@quantities) %></ul>
+  </details>
+
+  <div class="flex reverse">
+    <%= form.button id: :create_measurement_button, disabled: true -%>
     <%= image_link_to t(:cancel), "close-outline", measurements_path, name: :cancel,
-      class: 'dangerous', onclick: render_turbo_stream('form_close') %>
+      class: 'dangerous', data: {action: 'click->form#cancel'} %>
   </div>
 <% end %>
-
-<script>
-  quantity_select.addEventListener('focusout', detailsClose)
-  quantity_select.addEventListener('change', detailsChange)
-  detailsObserver.observe(quantity_select.querySelector('ul'),
-    {subtree: true, attributeFilter: ['disabled']})
-</script>

app/views/measurements/_form_close.html.erb

@@ -1,5 +0,0 @@
-<%= turbo_stream.update :measurement_form %>
-<%= turbo_stream.update :flashes %>
-<%= turbo_stream.remove :measurement_form %>
-<%= turbo_stream.show :no_items -%>
-<%= turbo_stream.enable :new_measurement_link -%>

app/views/measurements/_measurement.html.erb

@@ -1,14 +0,0 @@
-<%= tag.tr id: dom_id(measurement) do %>
-  <td><%= l measurement.created_at, format: :short %></td>
-  <td>
-    <% measurement.readouts.each do |readout| %>
-      <span><%= readout.quantity.name %>: <%= readout.value %> <%= readout.unit %></span>
-    <% end %>
-  </td>
-  <% if current_user.at_least(:active) %>
-    <td class="actions">
-      <%= image_button_to t('.destroy'), 'delete-outline', measurement_path(measurement),
-        method: :delete %>
-    </td>
-  <% end %>
-<% end %>

app/views/measurements/_readout.html.erb

@@ -0,0 +1,22 @@
+<%= tag.tr id: dom_id(readout), data: {taken_at: readout.taken_at&.iso8601,
+  quantity_id: readout.quantity_id, quantity_name: readout.quantity.name,
+  value: format("%.10g", readout.value), unit: readout.unit.symbol} do %>
+  <td>
+    <% if current_user.at_least(:active) %>
+      <%= link_to readout.quantity, edit_measurement_path(readout),
+        class: 'link', onclick: 'this.blur();', data: {turbo_stream: true} %>
+    <% else %>
+      <%= readout.quantity %>
+    <% end %>
+  </td>
+  <td class="ralign"><%= format("%.10g", readout.value) %></td>
+  <td><%= readout.unit %></td>
+  <td class="taken-at"><%= l(readout.taken_at) if readout.taken_at %></td>
+  <td class="created-at"><%= l(readout.created_at) %></td>
+  <% if current_user.at_least(:active) %>
+    <td class="flex">
+      <%= image_button_to t('.destroy'), 'delete-outline', measurement_path(readout),
+        method: :delete, data: {turbo_stream: true} %>
+    </td>
+  <% end %>
+<% end %>

app/views/measurements/_wide_table.html.erb

@@ -0,0 +1,41 @@
+<table class="items-table">
+  <thead>
+    <tr>
+      <th><%= Readout.human_attribute_name(:taken_at) %></th>
+      <% wide_quantities.each do |q| %>
+        <th><%= q.name %></th>
+      <% end %>
+      <th><%= Readout.human_attribute_name(:created_at) %></th>
+    </tr>
+  </thead>
+  <tbody>
+    <% wide_groups.each do |taken_at, readouts| %>
+      <tr>
+        <td><%= l(taken_at) if taken_at %></td>
+        <% wide_quantities.each do |q| %>
+          <% readout = readouts.find { |r| r.quantity_id == q.id } %>
+          <td class="ralign">
+            <% if readout %>
+              <span class="wide-cell">
+                <% if current_user.at_least(:active) %>
+                  <%= link_to format("%.10g", readout.value),
+                    edit_measurement_path(readout, view: :wide),
+                    class: 'link', onclick: 'this.blur();',
+                    data: {turbo_stream: true} %>
+                <% else %>
+                  <%= format("%.10g", readout.value) %>
+                <% end %>
+                &nbsp;<%= readout.unit.symbol %>
+                <% if current_user.at_least(:active) %>
+                  <%= image_button_to '', 'delete-outline', measurement_path(readout),
+                    method: :delete, data: {turbo_stream: true} %>
+                <% end %>
+              </span>
+            <% end %>
+          </td>
+        <% end %>
+        <td><%= l(readouts.first.created_at) %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>

app/views/measurements/create.turbo_stream.erb

@@ -1,5 +1,13 @@
+<% if @readouts.present? && @readouts.all?(&:persisted?) %>
   <%= turbo_stream.update :flashes %>
   <%= turbo_stream.remove :measurement_form %>
-<%= turbo_stream.remove :no_items %>
   <%= turbo_stream.enable :new_measurement_link %>
-<%= turbo_stream.prepend :measurements, @measurement %>
+  <%= turbo_stream.remove :no_items %>
+  <% @readouts.each do |readout| %>
+    <%= turbo_stream.prepend :measurements, partial: 'readout', locals: {readout: readout} %>
+  <% end %>
+  <%= turbo_stream.update 'measurements-wide', partial: 'wide_table',
+    locals: {wide_groups: @wide_groups, wide_quantities: @wide_quantities} %>
+<% else %>
+  <%= turbo_stream.update :flashes %>
+<% end %>

app/views/measurements/destroy.turbo_stream.erb

@@ -1,3 +1,5 @@
 <%= turbo_stream.update :flashes %>
-<%= turbo_stream.remove @measurement %>
+<%= turbo_stream.remove @readout %>
-<%= turbo_stream.append(:measurements, render_no_items) if @measurements_empty %>
+<%= turbo_stream.append(:measurements, render_no_items) if current_user.readouts.empty? %>
+<%= turbo_stream.update 'measurements-wide', partial: 'wide_table',
+  locals: {wide_groups: @wide_groups, wide_quantities: @wide_quantities} %>

app/views/measurements/edit.turbo_stream.erb

@@ -0,0 +1,18 @@
+<% ids = {row: dom_id(@readout, :edit),
+          hidden_row: dom_id(@readout),
+          link: nil,
+          form_tag: dom_id(@readout, :edit, :form)} %>
+
+<% if params[:view] == 'wide' %>
+  <%= turbo_stream.update :measurement_edit_form, partial: 'edit_panel' %>
+  <%= turbo_stream.hide ids[:hidden_row] %>
+<% else %>
+  <%= turbo_stream.append :measurement_edit_form do %>
+    <%- tabular_form_with model: @readout, url: measurement_path(@readout),
+      html: {id: ids[:form_tag]} do %>
+    <% end %>
+  <% end %>
+  <%= turbo_stream.hide ids[:hidden_row] %>
+  <%= turbo_stream.remove ids[:row] %>
+  <%= turbo_stream.after @readout, partial: 'edit_form', locals: ids -%>
+<% end %>

app/views/measurements/index.html.erb

@@ -1,16 +1,41 @@
 <%# TODO: show hint when no quantities/units defined %>
-<div class="rightside buttongrid">
+<div class="rightside-area buttongrid" data-controller="measurements-view">
   <% if current_user.at_least(:active) %>
     <%= image_link_to t('.new_measurement'), 'plus-outline', new_measurement_path,
       id: :new_measurement_link, onclick: 'this.blur();',
       data: {turbo_stream: true} %>
   <% end %>
+  <%= image_button_tag '', 'view-rows', name: nil, type: 'button',
+    class: 'view-toggle', title: t('.view_compact'),
+    data: {view: 'compact', action: 'click->measurements-view#set',
+           'measurements-view-name-param': 'compact'} %>
+  <%= image_button_tag '', 'view-columns', name: nil, type: 'button',
+    class: 'view-toggle', title: t('.view_wide'),
+    data: {view: 'wide', action: 'click->measurements-view#set',
+           'measurements-view-name-param': 'wide'} %>
 </div>
 
-<%= tag.div class: 'topside', id: :measurement_form %>
+<div class="main-area measurements-section">
-
+  <%= tag.div id: :measurement_edit_form %>
-<table class="main">
+  <table class="items-table measurements-compact" data-controller="measurements">
-  <tbody id="measurements">
+    <thead>
-    <%= render(@measurements) || render_no_items %>
+      <tr>
+        <th><%= Quantity.model_name.human %></th>
+        <th><%= Readout.human_attribute_name(:value) %></th>
+        <th><%= Unit.model_name.human %></th>
+        <th data-column="taken-at"><%= Readout.human_attribute_name(:taken_at) %></th>
+        <th data-column="created-at"><%= Readout.human_attribute_name(:created_at) %></th>
+        <% if current_user.at_least(:active) %>
+          <th></th>
+        <% end %>
+      </tr>
+    </thead>
+    <tbody id="measurements" data-measurements-target="tbody">
+      <%= render(partial: 'readout', collection: @measurements, as: :readout) || render_no_items %>
     </tbody>
   </table>
+
+  <div id="measurements-wide" class="measurements-wide">
+    <%= render 'wide_table', wide_groups: @wide_groups, wide_quantities: @wide_quantities %>
+  </div>
+</div>

app/views/measurements/new.turbo_stream.erb

@@ -1,4 +1,5 @@
 <%= turbo_stream.disable :new_measurement_link -%>
-<%= turbo_stream.update :measurement_form do %>
+<%= turbo_stream.hide :no_items -%>
+<%= turbo_stream.append_all 'body' do %>
   <%= render partial: 'form' %>
 <% end %>

app/views/measurements/update.turbo_stream.erb

@@ -0,0 +1,4 @@
+<%= turbo_stream.close_form dom_id(@readout, :edit) %>
+<%= turbo_stream.replace @readout, partial: 'measurements/readout', locals: {readout: @readout} %>
+<%= turbo_stream.update 'measurements-wide', partial: 'wide_table',
+  locals: {wide_groups: @wide_groups, wide_quantities: @wide_quantities} %>

app/views/quantities/_form.html.erb

@@ -1,6 +1,7 @@
 <%= tabular_fields_for @quantity, form: form_tag do |form| %>
-  <%- tag.tr id: row, class: "form", onkeydown: "formProcessKey(event)",
+  <%- tag.tr id: row, class: "form",
-    data: {link: link, form: form_tag, hidden_row: hidden_row} do %>
+    data: {controller: 'form', action: 'keydown->form#processKey',
+           link: link, form: form_tag, hidden_row: hidden_row} do %>
 
     <td style="--depth:<%= @quantity.depth %>">
       <%= form.text_field :name, required: true, autofocus: true, size: 20 %>
@@ -8,11 +9,16 @@
     <td>
       <%= form.text_area :description, cols: 30, rows: 1, escape: false %>
     </td>
+    <td>
+      <%= form.collection_select :default_unit_id, @user_units, :id,
+        ->(u){ sanitize('&emsp;' * (u.base_id? ? 1 : 0) + u.symbol) },
+        {include_blank: true}, onchange: "this.dataset.changed = ''" %>
+    </td>
 
-    <td class="actions">
+    <td class="flex">
       <%= form.button %>
       <%= image_link_to t(:cancel), "close-outline", quantities_path, class: 'dangerous',
-        name: :cancel, onclick: render_turbo_stream('form_close', {row: row}) %>
+        name: :cancel, data: {action: 'click->form#cancel'} %>
     </td>
     <td></td>
   <% end %>

app/views/quantities/_form_close.html.erb

@@ -1,2 +0,0 @@
-<%= turbo_stream.close_form row %>
-<%= turbo_stream.update :flashes %>

app/views/quantities/_quantity.html.erb

@@ -1,18 +1,20 @@
 <%= tag.tr id: dom_id(quantity),
-           ondragstart: "dragStart(event)", ondragend: "dragEnd(event)",
+           draggable: true,
-           ondragover: "dragOver(event)", ondrop: "drop(event)",
+           data: {controller: 'drag',
-           ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
+                  action: 'dragstart->drag#start dragend->drag#end dragover->drag#over drop->drag#drop dragenter->drag#enter dragleave->drag#leave',
-           data: {drag_path: reparent_quantity_path(quantity), drop_id: dom_id(quantity),
+                  drag_drag_path_value: reparent_quantity_path(quantity),
-                  drop_id_param: "quantity[parent_id]"} do %>
+                  drag_drop_id_value: dom_id(quantity),
+                  drag_drop_id_param_value: 'quantity[parent_id]'} do %>
 
-  <td class="link" style="--depth:<%= quantity.depth %>">
+  <td style="--depth:<%= quantity.depth %>">
-    <%= link_to quantity, edit_quantity_path(quantity), onclick: 'this.blur();',
+    <%= link_to quantity, edit_quantity_path(quantity), class: 'link',
-      data: {turbo_stream: true} %>
+      onclick: 'this.blur();', data: {turbo_stream: true} %>
   </td>
   <td><%= quantity.description %></td>
+  <td><%= quantity.default_unit&.symbol %></td>
 
   <% if current_user.at_least(:active) %>
-    <td class="actions">
+    <td class="flex">
       <%= image_link_to t('.new_subquantity'), 'plus-outline', new_quantity_path(quantity),
         id: dom_id(quantity, :new, :link), onclick: 'this.blur();', data: {turbo_stream: true} %>
 

app/views/quantities/index.html.erb

@@ -8,23 +8,26 @@
     class: 'tools-area' %>
 </div>
 
+<%# TODO: remove? form can be inserted directly, e.g. at the end of index %>
 <%= tag.div class: 'main-area', id: :quantity_form %>
 
-<table class="main-area items">
+<table class="main-area items-table">
   <thead>
     <tr>
       <th><%= Quantity.human_attribute_name(:name) %></th>
-      <th><%= Quantity.human_attribute_name(:description) %></th>
+      <th class="hexpand"><%= Quantity.human_attribute_name(:description) %></th>
+      <th><%= Quantity.human_attribute_name(:default_unit) %></th>
       <% if current_user.at_least(:active) %>
         <th><%= t :actions %></th>
         <th></th>
       <% end %>
     </tr>
     <%= tag.tr id: "quantity_", hidden: true,
-               ondragover: "dragOver(event)", ondrop: "drop(event)",
+               data: {controller: 'drag',
-               ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
+                      action: 'dragover->drag#over drop->drag#drop dragenter->drag#enter dragleave->drag#leave',
-               data: {drop_id: "quantity_", drop_id_param: "quantity[parent_id]"} do %>
+                      drag_drop_id_value: 'quantity_',
-      <th colspan="4"><%= t '.top_level_drop' %></th>
+                      drag_drop_id_param_value: 'quantity[parent_id]'} do %>
+      <th colspan="5"><%= t '.top_level_drop' %></th>
     <% end %>
   </thead>
   <tbody id="quantities">

app/views/readouts/_form.html.erb

@@ -1,20 +1,31 @@
-<%# TODO: add readout reordering by dragging %>
 <%= tabular_fields_for 'readouts[]', readout do |form| %>
   <%- tag.tr id: dom_id(readout.quantity, :new, :readout),
-             onkeydown: 'processKey(event)' do %>
+             data: {controller: 'readout-unit'} do %>
     <td>
+      <%# TODO: add grayed readout index (in separate column?) %>
       <%= readout.quantity.relative_pathname(@superquantity) %>
-    </td>
-    <td>
-      <%= form.number_field :value, required: true, autofocus: true, size: 10 %>
-    </td>
-    <td>
       <%= form.hidden_field :quantity_id %>
-      <%= form.collection_select :unit_id, @user_units, :id,
-        ->(u){ sanitize('&emsp;' * (u.base_id ? 1 : 0) + u.symbol) } %>
     </td>
-    <td class="actions">
+    <td>
-      <%= image_button_tag '', 'delete-outline', class: 'dangerous', name: :discard,
+      <%= form.number_field :value, required: true, autofocus: readout_counter == 0 %>
+    </td>
+    <td>
+      <%= form.collection_select :unit_id, @user_units, :id,
+        ->(u){ sanitize('&emsp;' * (u.base_id ? 1 : 0) + u.symbol) },
+        {prompt: '', disabled: '', selected: readout.quantity.default_unit_id || ''}, required: true,
+        data: {default_unit_id: readout.quantity.default_unit_id || '',
+               readout_unit_target: 'select',
+               action: 'change->readout-unit#unitChanged'} %>
+    </td>
+    <td class="flex">
+      <%# TODO: change to _link_ after giving up displaying relative paths %>
+      <%= image_button_tag '', 'check-circle-outline',
+        class: 'set-default-unit', name: nil, type: 'button', disabled: true,
+        title: t('readouts.form.set_default_unit'),
+        data: {path: quantity_path(readout.quantity),
+               readout_unit_target: 'button',
+               action: 'click->readout-unit#setDefault'} %>
+      <%= image_button_tag '', 'delete-outline', class: 'dangerous', name: nil,
         formaction: discard_readouts_path(readout.quantity),
         formmethod: :get, formnovalidate: true, data: {turbo_stream: true} %>
     </td>

app/views/readouts/discard.turbo_stream.erb

@@ -1,4 +1,4 @@
+<%= turbo_stream.disable :create_measurement_button if @prev_quantities.one? %>
 <%= turbo_stream.remove dom_id(@quantity, :new, :readout) %>
-<%= turbo_stream.disable_all 'button[name="discard"]' if @prev_quantities.one? %>
-<%= turbo_stream.enable_all "select.quantity option[value='#{@quantity.id}']" %>
 <%= render partial: 'form_repath' %>
+<%= turbo_stream.unselect dom_id(@quantity) %>

app/views/readouts/new.turbo_stream.erb

@@ -1,9 +1,8 @@
-<%= render partial: 'form_repath' %>
-<%# is .one? proper condition? can @readouts be empty? %>
-<%= turbo_stream.enable_all 'button[name="discard"]' if @prev_quantities.one? %>
 <% @readouts.each do |r| %>
-  <%= turbo_stream.disable_all "select.quantity option[value='#{r.quantity_id}']" %>
+  <%= turbo_stream.disable dom_id(r.quantity) %>
 <% end %>
-<%= turbo_stream.before :readouts_form do %>
+<%= render partial: 'form_repath' %>
+<%= turbo_stream.append :readouts do %>
   <%= render partial: 'form', collection: @readouts, as: :readout %>
 <% end %>
+<%= turbo_stream.enable :create_measurement_button if @prev_quantities.empty? %>

app/views/setup/new.html.erb

@@ -1,39 +0,0 @@
-<%= form_with url: setup_path, method: :post, class: "labeled-form main-area" do %>
-
-  <h3 style="grid-column: 1 / -1; text-align: left; margin: 0;">
-    <%= t(".admin_account") %>
-  </h3>
-
-  <label for="admin_email"><%= t(".admin_email") %></label>
-  <%= email_field_tag :admin_email, params[:admin_email],
-        id: "admin_email", required: true, size: 30, autofocus: true,
-        autocomplete: "email" %>
-
-  <label for="admin_password"><%= t(".admin_password") %></label>
-  <%= password_field_tag :admin_password, nil,
-        id: "admin_password", required: true, size: 30,
-        autocomplete: "new-password" %>
-
-  <label for="admin_password_confirmation"><%= t(".admin_password_confirmation") %></label>
-  <%= password_field_tag :admin_password_confirmation, nil,
-        id: "admin_password_confirmation", required: true, size: 30,
-        autocomplete: "off" %>
-
-  <h3 style="grid-column: 1 / -1; text-align: left; margin: 0.5em 0 0 0;">
-    <%= t(".options") %>
-  </h3>
-
-  <label for="skip_email_confirmation" style="grid-column: 1 / 3; text-align: left;">
-    <%= check_box_tag :skip_email_confirmation, "1",
-          params[:skip_email_confirmation] == "1",
-          id: "skip_email_confirmation" %>
-    <%= t(".skip_email_confirmation") %>
-  </label>
-
-  <label for="seed_units" style="grid-column: 1 / 3; text-align: left;">
-    <%= check_box_tag :seed_units, "1", true, id: "seed_units" %>
-    <%= t(".seed_units") %>
-  </label>
-
-  <%= submit_tag t(".submit") %>
-<% end %>

app/views/units/_form.html.erb

@@ -1,6 +1,7 @@
 <%= tabular_fields_for @unit, form: form_tag do |form| %>
-  <%- tag.tr id: row, class: "form", onkeydown: "formProcessKey(event)",
+  <%- tag.tr id: row, class: "form",
-    data: {link: link, form: form_tag, hidden_row: hidden_row} do %>
+    data: {controller: 'form', action: 'keydown->form#processKey',
+           link: link, form: form_tag, hidden_row: hidden_row} do %>
 
     <td style="--depth:<%= @unit.base_id? ? 1 : 0 %>">
       <%= form.text_field :symbol, required: true, autofocus: true, size: 12 %>
@@ -8,14 +9,14 @@
     <td>
       <%= form.text_area :description, cols: 30, rows: 1, escape: false %>
     </td>
-    <td class="number">
+    <td>
       <%= form.number_field :multiplier, required: true, size: 10, min: :step if @unit.base_id? %>
     </td>
 
-    <td class="actions">
+    <td class="flex">
       <%= form.button %>
       <%= image_link_to t(:cancel), "close-outline", units_path, class: 'dangerous',
-        name: :cancel, onclick: render_turbo_stream('form_close', {row: row}) %>
+        name: :cancel, data: {action: 'click->form#cancel'} %>
     </td>
     <td></td>
   <% end %>

app/views/units/_form_close.html.erb

@@ -1,2 +0,0 @@
-<%= turbo_stream.close_form row %>
-<%= turbo_stream.update :flashes %>

app/views/units/_unit.html.erb

@@ -1,19 +1,20 @@
 <%= tag.tr id: dom_id(unit),
-           ondragstart: "dragStart(event)", ondragend: "dragEnd(event)",
+           draggable: true,
-           ondragover: "dragOver(event)", ondrop: "drop(event)",
+           data: {controller: 'drag',
-           ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
+                  action: 'dragstart->drag#start dragend->drag#end dragover->drag#over drop->drag#drop dragenter->drag#enter dragleave->drag#leave',
-           data: {drag_path: rebase_unit_path(unit),
+                  drag_drag_path_value: rebase_unit_path(unit),
-                  drop_id: dom_id(unit.base || unit),
+                  drag_drop_id_value: dom_id(unit.base || unit),
-                  drop_id_param: "unit[base_id]"} do %>
+                  drag_drop_id_param_value: 'unit[base_id]'} do %>
 
-  <td class="link" style="--depth:<%= unit.base_id? ? 1 : 0 %>">
+  <td style="--depth:<%= unit.base_id? ? 1 : 0 %>">
-    <%= link_to unit, edit_unit_path(unit), onclick: 'this.blur();', data: {turbo_stream: true} %>
+    <%= link_to unit, edit_unit_path(unit), class: 'link', onclick: 'this.blur();',
+      data: {turbo_stream: true} %>
   </td>
   <td><%= unit.description %></td>
-  <td class="number"><%= unit.multiplier.to_html %></td>
+  <td class="ralign"><%= unit.multiplier.to_html %></td>
 
   <% if current_user.at_least(:active) %>
-    <td class="actions">
+    <td class="flex">
       <% unless unit.base_id? %>
         <%= image_link_to t('.new_subunit'), 'plus-outline', new_unit_path(unit),
           id: dom_id(unit, :new, :link), onclick: 'this.blur();', data: {turbo_stream: true} %>

app/views/units/index.html.erb

@@ -7,13 +7,14 @@
     class: 'tools-area' %>
 </div>
 
+<%# TODO: remove? form can be inserted directly, e.g. at the end of index %>
 <%= tag.div id: :unit_form %>
 
-<table class="main-area items">
+<table class="main-area items-table">
   <thead>
     <tr>
       <th><%= Unit.human_attribute_name(:symbol) %></th>
-      <th><%= Unit.human_attribute_name(:description) %></th>
+      <th class="hexpand"><%= Unit.human_attribute_name(:description) %></th>
       <th><%= Unit.human_attribute_name(:multiplier) %></th>
       <% if current_user.at_least(:active) %>
         <th><%= t :actions %></th>
@@ -21,9 +22,10 @@
       <% end %>
     </tr>
     <%= tag.tr id: "unit_", hidden: true,
-               ondragover: "dragOver(event)", ondrop: "drop(event)",
+               data: {controller: 'drag',
-               ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
+                      action: 'dragover->drag#over drop->drag#drop dragenter->drag#enter dragleave->drag#leave',
-               data: {drop_id: "unit_", drop_id_param: "unit[base_id]"} do %>
+                      drag_drop_id_value: 'unit_',
+                      drag_drop_id_param_value: 'unit[base_id]'} do %>
       <th colspan="5"><%= t '.top_level_drop' %></th>
     <% end %>
   </thead>

app/views/users/index.html.erb

@@ -1,4 +1,4 @@
-<table class="main-area items" id="users">
+<table class="main-area items-table" id="users">
   <thead>
     <tr>
       <th><%= User.human_attribute_name(:email) %></th>
@@ -11,7 +11,7 @@
   <tbody>
     <% @users.each do |user| %>
       <tr>
-        <td class="link"><%= link_to user, user_path(user) %></td>
+        <td><%= link_to user, user_path(user), class: 'link' %></td>
         <td>
           <% if user == current_user %>
             <%= user.status %>
@@ -22,11 +22,11 @@
             <% end %>
           <% end %>
         </td>
-        <td class="svg">
+        <td>
           <%= svg_tag 'pictograms/checkbox-marked-outline' if user.confirmed_at.present? %>
         </td>
         <td><%= l user.created_at, format: :without_tz %></td>
-        <td class="actions">
+        <td class="flex">
           <% if allow_disguise?(user) %>
             <%= image_link_to t('.disguise'), 'incognito', disguise_user_path(user) %>
           <% end %>

app/views/users/profiles/edit.html.erb

@@ -4,8 +4,9 @@
 <% end %>
 
 <div class="rightside-area buttongrid">
-  <%= image_button_to_if !current_user.sole_admin?, t('.delete'), 'account-remove-outline',
+  <%#= TODO: Disallow/disable deletion for last admin account, image_button_to_if %>
-    user_registration_path, form_class: 'tools-area', method: :delete, data: {turbo: false},
+  <%= image_button_to t('.delete'), 'account-remove-outline', user_registration_path,
+    form_class: 'tools-area', method: :delete, data: {turbo: false},
     onclick: {confirm: t('.confirm_delete')} %>
 </div>
 

app/views/users/profiles/new.html.erb

@@ -1,5 +1,5 @@
 <%= labeled_form_for resource, url: user_registration_path,
-  html: {class: 'main-area', onsubmit: 'formValidate(event)'} do |f| %>
+  html: {class: 'main-area', data: {controller: 'form', action: 'submit->form#validate'}} do |f| %>
 
   <%= f.email_field :email, required: true, size: 30, autofocus: true,
     autocomplete: 'email' %>
@@ -10,7 +10,6 @@
 
   <%= f.submit t(:register), data: {turbo: false} %>
 
-  <%# TODO: fix button text color after change link -> button %>
   <%= image_button_tag t(:resend_confirmation), 'email-sync-outline',
     class: 'auxiliary', formaction: user_confirmation_path, formnovalidate: true,
     data: {validate: f.field_id(:email)} %>

app/views/users/sessions/new.html.erb

@@ -1,5 +1,5 @@
 <%= labeled_form_for resource, url: user_session_path,
-  html: {class: 'main-area', onsubmit: 'formValidate(event)'} do |f| %>
+  html: {class: 'main-area', data: {controller: 'form', action: 'submit->form#validate'}} do |f| %>
 
   <%= f.email_field :email, required: true, size: 30, autofocus: true,
     autocomplete: 'email' %>

app/views/users/unlocks/new.html.erb

@@ -8,7 +8,7 @@
     <%= f.email_field :email, autofocus: true, autocomplete: "email" %>
   </div>
 
-  <div class="actions">
+  <div class="flex">
     <%= f.submit "Resend unlock instructions" %>
   </div>
 <% end %>

config/application.rb.dist

@@ -54,9 +54,5 @@ module FixinMe
 
     # Sender address of account registration-related messages
     Devise.mailer_sender = 'noreply@localhost'
-
-    # Whether to skip e-mail confirmation for new registrations is configured
-    # through the web setup wizard and stored in the database (Setting model),
-    # so it does not need to be set here.
   end
 end

config/credentials.yml.enc

@@ -1 +1 @@
-OOGMGhfQuV67kqlMecZLcNfgrGS81KPAGmY27GnohtcGSPtiaqL8OZYsVf5IIOaI1K14ZEflln+E2deaIJ5apaq98f+1gJawGbAJeEfLCskJV/03nT8ICpRk+bxT/lzqeCIaUJOLk4708ufC9EpdpJD/jgVSAuI/iNMzzwMbNFvqNmx0Kmgp0mRpHSDGLZZkaP3GW7wdsJEVsNpSPIrkkGL1BvD+nHbmHjuGkn4MMsmm1Yz0M31jkJiDksT0SVeOcxWvOApclxm6VZOAws2l6YKEs/XoE7ye3ssjxdjdwjMzRXV7dwYclNBQGRoERVTozdYiFR4eAGMdlG0RsnUAp+edILH5nvHCIPb3la/dUTOzAQMNY0TqMMVUHGqGuVS/EMCX/w7zrmYN5C+2W8SfugrvTpAL--dUdvsDfbUdVrbmmo--fUwsWUp+DQGPtEF+Zq4ZTw==
+yQ/e5AEwReoZ6yiIqCZjBbl2Tp41JNcuwfWF3FeSSk2K0XBtE+VQXHlAHMBPRwbBdkutB8jls+YKou3JX58j88BEH3Ft/8h7GIepYF+nOhdb79y05lqEhARA4IZYnHe1Do72MdmseE0ectfDpfk6Q1qnfiTFe3X1KyfLR0hiSEM5+1ZYfk2loUBWSIfgYuqtK7bEOZiL6imU46n4+58g3VZd0cK7getT7rwNlVt1s6ME9PTwT/RqE736fLEIyDeaEg8hBxTrPVeYyii2o4IWM02/0HsuRPxXLLQAgXyzHhlT9wo18X5FaaecgGloBie0UMrPS3j6oBlVn61WQbkuEe/yQKnzyiw0v5HSmzME4PiDTaSW2em/BtGiMAhJpyukipQa4/leR3OTJxv3TAMha1bnk/OC--QU+gjSEvBsZpr3XT--osCoTfqZ4ENeas+nFdXefA==

config/environments/test.rb

@@ -59,6 +59,6 @@ Rails.application.configure do
 
   config.log_level = :info
 
-  # Allow the default integration test host.
+  # Allow Capybara's dynamic test server host (127.0.0.1:<random_port>)
-  config.hosts << "www.example.com"
+  config.hosts << '127.0.0.1'
 end

config/importmap.rb

@@ -2,3 +2,6 @@
 
 pin "application", preload: true
 pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true
+pin "@hotwired/stimulus", to: "stimulus.min.js", preload: true
+pin "@hotwired/stimulus-loading", to: "stimulus-loading.js", preload: true
+pin_all_from "app/javascript/controllers", under: "controllers"

config/locales/en.yml

@@ -11,8 +11,13 @@ en:
   activerecord:
     attributes:
       quantity:
+        default_unit: Default unit
         description: Description
         name: Name
+      readout:
+        created_at: Recorded at
+        taken_at: Taken at
+        value: Value
       unit:
         base: Base unit
         description: Description
@@ -81,23 +86,34 @@ en:
       revert: Revert
       sign_out: Sign out
       source_code: Get code
+  readouts:
+    form:
+      set_default_unit: Set as default unit
+  charts:
+    navigation: Charts
   measurements:
     navigation: Measurements
     no_items: There are no measurements taken. You can Add some now.
     form:
-      select_quantity: select the measured quantity...
+      select_quantity: select quantities...
+      taken_at_html: Measurement taken at 
     index:
       new_measurement: Add measurement
+      view_compact: Compact view
+      view_wide: Wide view
+      view_charts: Charts
+    readout:
+      edit: Edit
+      destroy: Delete
     create:
-      success: Measurement saved.
+      success:
+        one: Recorded 1 measurement.
+        other: Recorded %{count} measurements.
+      no_readouts: No readouts selected.
+    update:
+      success: Measurement updated.
     destroy:
       success: Measurement deleted.
-    measurement:
-      destroy: Delete
-  readouts:
-    form:
-      select_unit: ...
-      new_children: Children
   quantities:
     navigation: Quantities
     no_items: There are no configured quantities. You can Add some or Import from defaults.
@@ -169,27 +185,7 @@ en:
           New password:
           <br><em>leave blank to keep unchanged</em>
           %{password_length_hint_html}
-  registrations:
-    destroy:
-      sole_admin: You cannot delete the only admin account.
   actions: Actions
-  setup:
-    new:
-      admin_account: Admin account
-      admin_email: 'E-mail:'
-      admin_password: 'Password:'
-      admin_password_confirmation: 'Retype password:'
-      options: Options
-      skip_email_confirmation: Skip e-mail confirmation for new registrations
-      seed_units: Seed built-in default units
-      submit: Set up
-    create:
-      email_blank: E-mail cannot be blank.
-      password_blank: Password cannot be blank.
-      password_mismatch: Passwords do not match.
-      success: >
-        Installation complete. You can now sign in with the admin account you
-        just created.
   add: Add
   apply: Apply
   back: Back

config/routes.rb

@@ -1,9 +1,6 @@
 Rails.application.routes.draw do
-  # Web-based installation wizard — only reachable when no admin exists yet.
-  resource :setup, only: [:new, :create], controller: :setup
-
   resources :measurements
-
+  resources :charts, only: [:index]
 
   resources :readouts, only: [:new] do
     collection {get 'new/:id/discard', action: :discard, as: :discard}

db/migrate/20250121230456_create_readouts.rb

@@ -1,10 +1,14 @@
 class CreateReadouts < ActiveRecord::Migration[7.2]
   def change
     create_table :readouts do |t|
-      t.references :user, null: false, foreign_key: true
+      # Reference :user through :quantity (:measurement may be NULL).
+      t.references :measurement, foreign_key: true
       t.references :quantity, null: false, foreign_key: true
+      # :category + :value + :unit as a separate table? (NumericValue, TextValue)
+      t.integer :category, null: false, default: 0
+      t.float :value, null: false, limit: Float::MANT_DIG
       t.references :unit, foreign_key: true
-      t.decimal :value, null: false, precision: 30, scale: 15
+      # Move to Measurement?
       #t.references :collector, foreign_key: true
       #t.references :device, foreign_key: true
 

db/migrate/20260228171524_create_settings.rb

@@ -1,12 +0,0 @@
-class CreateSettings < ActiveRecord::Migration[7.2]
-  def change
-    create_table :settings do |t|
-      t.string :key, null: false
-      t.string :value
-
-      t.timestamps
-    end
-
-    add_index :settings, :key, unique: true
-  end
-end

db/migrate/20260402000000_add_taken_at_to_readouts.rb

@@ -0,0 +1,6 @@
+class AddTakenAtToReadouts < ActiveRecord::Migration[7.2]
+  def change
+    add_column :readouts, :taken_at, :datetime
+    add_index :readouts, [:user_id, :taken_at]
+  end
+end

db/migrate/20260403000000_add_default_unit_to_quantities.rb

@@ -0,0 +1,5 @@
+class AddDefaultUnitToQuantities < ActiveRecord::Migration[7.2]
+  def change
+    add_reference :quantities, :default_unit, foreign_key: {to_table: :units}, null: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2025_01_21_230456) do
+ActiveRecord::Schema[7.2].define(version: 2026_04_03_000000) do
   create_table "quantities", charset: "utf8mb4", collation: "utf8mb4_0900_as_ci", force: :cascade do |t|
     t.bigint "user_id"
     t.string "name", limit: 31, null: false
@@ -20,6 +20,8 @@ ActiveRecord::Schema[7.2].define(version: 2025_01_21_230456) do
     t.datetime "updated_at", null: false
     t.integer "depth", default: 0, null: false
     t.string "pathname", limit: 511, null: false
+    t.bigint "default_unit_id"
+    t.index ["default_unit_id"], name: "index_quantities_on_default_unit_id"
     t.index ["parent_id"], name: "index_quantities_on_parent_id"
     t.index ["user_id", "parent_id", "name"], name: "index_quantities_on_user_id_and_parent_id_and_name", unique: true
     t.index ["user_id"], name: "index_quantities_on_user_id"
@@ -32,10 +34,12 @@ ActiveRecord::Schema[7.2].define(version: 2025_01_21_230456) do
     t.decimal "value", precision: 30, scale: 15, null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.datetime "taken_at"
     t.index ["quantity_id", "created_at"], name: "index_readouts_on_quantity_id_and_created_at", unique: true
     t.index ["quantity_id"], name: "index_readouts_on_quantity_id"
     t.index ["unit_id"], name: "index_readouts_on_unit_id"
     t.index ["user_id"], name: "index_readouts_on_user_id"
+    t.index ["user_id", "taken_at"], name: "index_readouts_on_user_id_and_taken_at"
   end
 
   create_table "units", charset: "utf8mb4", collation: "utf8mb4_0900_as_ci", force: :cascade do |t|
@@ -70,6 +74,7 @@ ActiveRecord::Schema[7.2].define(version: 2025_01_21_230456) do
   end
 
   add_foreign_key "quantities", "quantities", column: "parent_id", on_delete: :cascade
+  add_foreign_key "quantities", "units", column: "default_unit_id"
   add_foreign_key "quantities", "users"
   add_foreign_key "readouts", "quantities"
   add_foreign_key "readouts", "units"

db/seeds.rb

@@ -3,17 +3,6 @@
 #   bin/rails db:seed
 # command (or created alongside the database with db:setup).
 # Seeding process should be idempotent.
-#
-# Admin account setup
-# -------------------
-# The preferred way to create the first admin account is through the web setup
-# wizard, which is shown automatically on the first visit when no admin exists.
-# The wizard also lets you configure runtime options (e.g. skip e-mail
-# confirmation) and seed the default units without using the command line.
-#
-# The block below provides an alternative CLI path for headless / automated
-# deployments.  It is skipped when an admin account already exists (e.g. after
-# the web wizard has run).
 
 User.transaction do
   break if User.find_by status: :admin
@@ -32,3 +21,4 @@ end
 #[Source, Quantity, Unit].each { |model| model.defaults.delete_all }
 
 require_relative 'seeds/units.rb'
+require_relative 'seeds/demo.rb'

db/seeds/demo.rb

@@ -0,0 +1,87 @@
+demo_email = 'demo@localhost'
+
+User.transaction do
+  break if User.find_by(email: demo_email)
+
+  demo = User.create! email: demo_email, password: 'demo123', status: :active do |user|
+    user.skip_confirmation!
+    print "Creating demo account '#{user.email}' with password '#{user.password}'..."
+  end
+  puts "done."
+
+  # --- Units ---
+  u = {}
+  u[:kg]  = demo.units.create! symbol: 'kg',  description: 'kilogram'
+  u[:g]   = demo.units.create! symbol: 'g',   description: 'gram',       base: u[:kg], multiplier: 1e-3
+  u[:cm]  = demo.units.create! symbol: 'cm',  description: 'centimetre'
+  u[:bpm] = demo.units.create! symbol: 'bpm', description: 'beats per minute'
+  u[:pct] = demo.units.create! symbol: '%',   description: 'percent'
+  u[:h]   = demo.units.create! symbol: 'h',   description: 'hour'
+  u[:min] = demo.units.create! symbol: 'min', description: 'minute',     base: u[:h], multiplier: (1.0/60).round(10)
+  u[:kcal]= demo.units.create! symbol: 'kcal',description: 'kilocalorie'
+  u[:mg]  = demo.units.create! symbol: 'mg',  description: 'milligram',  base: u[:kg], multiplier: 1e-6
+  u[:mmhg]= demo.units.create! symbol: 'mmHg',description: 'millimetre of mercury'
+
+  # --- Quantities ---
+  body      = demo.quantities.create! name: 'Body'
+  weight    = demo.quantities.create! name: 'Weight',        parent: body
+  height    = demo.quantities.create! name: 'Height',        parent: body
+  fat       = demo.quantities.create! name: 'Body fat',      parent: body
+
+  cardio    = demo.quantities.create! name: 'Cardiovascular'
+  hr_rest   = demo.quantities.create! name: 'Resting HR',    parent: cardio
+  hr_peak   = demo.quantities.create! name: 'Peak HR',       parent: cardio
+  bp_sys    = demo.quantities.create! name: 'BP systolic',   parent: cardio
+  bp_dia    = demo.quantities.create! name: 'BP diastolic',  parent: cardio
+
+  activity  = demo.quantities.create! name: 'Activity'
+  sleep_dur = demo.quantities.create! name: 'Sleep',         parent: activity
+  calories  = demo.quantities.create! name: 'Calories out',  parent: activity
+
+  nutrition = demo.quantities.create! name: 'Nutrition'
+  cal_in    = demo.quantities.create! name: 'Calories in',   parent: nutrition
+  caffeine  = demo.quantities.create! name: 'Caffeine',      parent: nutrition
+
+  # --- Readouts (60 days of daily-ish data) ---
+  base_time = 60.days.ago.beginning_of_day
+  rng = Random.new(42)
+
+  weight_val  = 82.4
+  fat_val     = 21.5
+  hr_rest_val = 62.0
+
+  60.times do |i|
+    t = base_time + i.days + rng.rand(3600 * 2)
+
+    weight_val  += rng.rand(-0.3..0.3)
+    fat_val     += rng.rand(-0.15..0.15)
+    hr_rest_val += rng.rand(-1.5..1.5)
+    hr_rest_val  = hr_rest_val.clamp(52, 72)
+
+    demo.readouts.create! quantity: weight,   unit: u[:kg],  value: weight_val.round(1),  created_at: t
+    demo.readouts.create! quantity: fat,      unit: u[:pct], value: fat_val.round(1),     created_at: t
+    demo.readouts.create! quantity: hr_rest,  unit: u[:bpm], value: hr_rest_val.round,    created_at: t
+
+    if i % 2 == 0
+      demo.readouts.create! quantity: bp_sys,  unit: u[:mmhg], value: (115 + rng.rand(-8..8)).round, created_at: t
+      demo.readouts.create! quantity: bp_dia,  unit: u[:mmhg], value: (75  + rng.rand(-5..5)).round,  created_at: t
+    end
+
+    if i % 3 == 0
+      demo.readouts.create! quantity: hr_peak, unit: u[:bpm], value: (155 + rng.rand(-10..10)).round, created_at: t
+    end
+
+    demo.readouts.create! quantity: sleep_dur, unit: u[:h],   value: (6.5 + rng.rand(-1.5..1.5)).round(1), created_at: t
+    demo.readouts.create! quantity: calories,  unit: u[:kcal],value: (2100 + rng.rand(-300..300)).round,    created_at: t
+    demo.readouts.create! quantity: cal_in,    unit: u[:kcal],value: (1900 + rng.rand(-400..400)).round,    created_at: t
+
+    if i % 4 == 0
+      demo.readouts.create! quantity: caffeine, unit: u[:mg], value: (200 + rng.rand(-80..80)).round, created_at: t
+    end
+  end
+
+  # height is stable — record once
+  demo.readouts.create! quantity: height, unit: u[:cm], value: 178.0, created_at: base_time
+
+  puts "  Created #{demo.units.count} units, #{demo.quantities.count} quantities, #{demo.readouts.count} readouts."
+end

lib/tasks/test_multi_db.rake

@@ -1,50 +0,0 @@
-namespace :test do
-  desc "Run Rails tests against all supported database adapters (SQLite, MySQL)"
-  task :all_adapters do
-    # DATABASE_URL overrides the adapter from database.yml at runtime.
-    # MySQL requires the mysql2 gem: bundle install --with mysql
-    adapters = {
-      "SQLite" => {
-        "DATABASE_URL" => "sqlite3:db/test.sqlite3"
-      },
-      "MySQL" => {
-        "DATABASE_URL" => format(
-          "mysql2://%s:%s@%s/%s",
-          ENV.fetch("DATABASE_USERNAME", "root"),
-          ENV.fetch("DATABASE_PASSWORD", ""),
-          ENV.fetch("DATABASE_HOST", "127.0.0.1"),
-          ENV.fetch("DATABASE_NAME", "fixin_test")
-        )
-      }
-    }
-
-    failed = []
-
-    adapters.each do |name, extra_env|
-      puts "\n#{"=" * 60}"
-      puts "  Running tests with #{name}"
-      puts "=" * 60
-
-      env = ENV.to_h.merge("RAILS_ENV" => "test").merge(extra_env)
-
-      # Reset test database; db:drop may fail on first run — that's fine
-      system(env, "bin/rails db:drop")
-      unless system(env, "bin/rails db:create db:schema:load")
-        failed << "#{name} (database setup)"
-        next
-      end
-
-      failed << name unless system(env, "bin/rails test")
-    end
-
-    puts "\n#{"=" * 60}"
-    if failed.any?
-      puts "  FAILED: #{failed.join(", ")}"
-      puts "=" * 60
-      exit 1
-    else
-      puts "  All adapters passed!"
-      puts "=" * 60
-    end
-  end
-end

test/controllers/charts_controller_test.rb

@@ -0,0 +1,63 @@
+require "test_helper"
+
+class ChartsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    host! '127.0.0.1'
+    @user = users(:alice)
+    post new_user_session_path, params: { user: { email: @user.email, password: 'alice' } }
+    @quantity = @user.quantities.create!(name: 'Weight')
+    @unit = @user.units.create!(symbol: 'kg')
+  end
+
+  test "requires authentication" do
+    delete destroy_user_session_path
+    get charts_path
+    assert_response :redirect
+  end
+
+  test "index returns ok" do
+    get charts_path
+    assert_response :success
+  end
+
+  test "embeds readout data as JSON in script tag" do
+    users(:alice).readouts.create!(quantity: @quantity, unit: @unit, value: 82.5, taken_at: 1.day.ago)
+
+    get charts_path
+
+    assert_select 'script#charts-data[type="application/json"]' do |elements|
+      data = JSON.parse(elements.first.children.first.to_s)
+      assert_equal 1, data.size
+      assert_equal 'Weight', data.first['quantityName']
+      assert_in_delta 82.5, data.first['value']
+      assert_equal 'kg', data.first['unit']
+      assert_not_nil data.first['takenAt']
+    end
+  end
+
+  test "orders readouts by taken_at ascending" do
+    older = users(:alice).readouts.create!(quantity: @quantity, unit: @unit, value: 80.0, taken_at: 2.days.ago)
+    newer = users(:alice).readouts.create!(quantity: @quantity, unit: @unit, value: 82.5, taken_at: 1.day.ago)
+
+    get charts_path
+
+    assert_select 'script#charts-data[type="application/json"]' do |elements|
+      data = JSON.parse(elements.first.children.first.to_s)
+      assert_equal older.taken_at.iso8601, data.first['takenAt']
+      assert_equal newer.taken_at.iso8601, data.last['takenAt']
+    end
+  end
+
+  test "does not expose other users readouts" do
+    bob_quantity = users(:bob).quantities.create!(name: 'Steps')
+    bob_unit = users(:bob).units.create!(symbol: 'steps')
+    users(:bob).readouts.create!(quantity: bob_quantity, unit: bob_unit, value: 5000, taken_at: 1.day.ago)
+
+    get charts_path
+
+    assert_select 'script#charts-data[type="application/json"]' do |elements|
+      data = JSON.parse(elements.first.children.first.to_s)
+      assert data.none? { |r| r['quantityName'] == 'Steps' }, "Bob's data must not appear"
+    end
+  end
+end

test/controllers/default/units_controller_test.rb

@@ -1,12 +1,8 @@
 require "test_helper"
 
 class Default::UnitsControllerTest < ActionDispatch::IntegrationTest
-  setup do
-    sign_in users(:alice)
-  end
-
   test "should get index" do
-    get default_units_url
+    get units_defaults_index_url
     assert_response :success
   end
 end

test/controllers/measurements_controller_test.rb

@@ -1,8 +1,65 @@
 require "test_helper"
 
 class MeasurementsControllerTest < ActionDispatch::IntegrationTest
-  #test "should get index" do
+  setup do
-  #  get measurements_index_url
+    host! '127.0.0.1'
-  #  assert_response :success
+    @user = users(:alice)
-  #end
+    post new_user_session_path, params: { user: { email: @user.email, password: 'alice' } }
+    @quantity = @user.quantities.create!(name: 'Weight')
+    @unit = @user.units.create!(symbol: 'kg')
+  end
+
+  test "index returns ok" do
+    get measurements_path
+    assert_response :success
+  end
+
+  test "index requires authentication" do
+    delete destroy_user_session_path
+    get measurements_path
+    assert_response :redirect
+  end
+
+  test "create records readout with taken_at" do
+    taken_at = 1.day.ago.change(usec: 0)
+    assert_difference -> { @user.readouts.count } do
+      post measurements_path, params: {
+        taken_at: taken_at.iso8601,
+        readouts: [{ quantity_id: @quantity.id, value: '82.5', unit_id: @unit.id }]
+      }, as: :turbo_stream
+    end
+    assert_response :success
+    assert_equal taken_at, @user.readouts.last.taken_at
+  end
+
+  test "create with no readouts selected shows alert" do
+    post measurements_path, params: { taken_at: Time.now.iso8601 }, as: :turbo_stream
+    assert_response :success
+  end
+
+  test "destroy removes readout" do
+    readout = @user.readouts.create!(quantity: @quantity, unit: @unit, value: 82.5, taken_at: 1.day.ago)
+    assert_difference -> { @user.readouts.count }, -1 do
+      delete measurement_path(readout), as: :turbo_stream
+    end
+    assert_response :success
+  end
+
+  test "destroy cannot remove another user's readout" do
+    other_quantity = users(:bob).quantities.create!(name: 'Weight')
+    other_unit = users(:bob).units.create!(symbol: 'kg')
+    readout = users(:bob).readouts.create!(quantity: other_quantity, unit: other_unit, value: 70.0, taken_at: 1.day.ago)
+    assert_no_difference -> { users(:bob).readouts.count } do
+      delete measurement_path(readout), as: :turbo_stream
+    end
+  end
+
+  test "update changes readout value" do
+    readout = @user.readouts.create!(quantity: @quantity, unit: @unit, value: 82.5, taken_at: 1.day.ago)
+    patch measurement_path(readout), params: {
+      readout: { value: '83.0', unit_id: @unit.id, taken_at: readout.taken_at.iso8601 }
+    }, as: :turbo_stream
+    assert_response :success
+    assert_in_delta 83.0, readout.reload.value
+  end
 end

test/controllers/registrations_controller_test.rb

@@ -1,18 +0,0 @@
-require "test_helper"
-
-class RegistrationsControllerTest < ActionDispatch::IntegrationTest
-  test "sole admin cannot delete account" do
-    sign_in users(:admin)
-    delete user_registration_path
-    assert_redirected_to edit_user_registration_path
-    assert_equal t("registrations.destroy.sole_admin"), flash[:alert]
-    assert User.exists?(users(:admin).id)
-  end
-
-  test "non-admin can delete account" do
-    sign_in users(:alice)
-    assert_difference ->{ User.count }, -1 do
-      delete user_registration_path
-    end
-  end
-end

test/controllers/users_controller_test.rb

@@ -2,9 +2,7 @@ require "test_helper"
 
 class UsersControllerTest < ActionDispatch::IntegrationTest
   setup do
-    @admin = users(:admin)
+    @user = users(:one)
-    @user = users(:alice)
-    sign_in @admin
   end
 
   test "should get index" do
@@ -12,25 +10,39 @@ class UsersControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
   end
 
+  test "should get new" do
+    get new_user_url
+    assert_response :success
+  end
+
+  test "should create user" do
+    assert_difference("User.count") do
+      post users_url, params: { user: { email: @user.email, status: @user.status } }
+    end
+
+    assert_redirected_to user_url(User.last)
+  end
+
   test "should show user" do
     get user_url(@user)
     assert_response :success
   end
 
+  test "should get edit" do
+    get edit_user_url(@user)
+    assert_response :success
+  end
+
   test "should update user" do
-    patch user_url(@user), params: { user: { status: :restricted } }, as: :turbo_stream
+    patch user_url(@user), params: { user: { email: @user.email, status: @user.status } }
-    assert_equal "restricted", @user.reload.status
+    assert_redirected_to user_url(@user)
   end
 
-  test "should not update self" do
+  test "should destroy user" do
-    patch user_url(@admin), params: { user: { status: :active } }, as: :turbo_stream,
+    assert_difference("User.count", -1) do
-      headers: { "HTTP_REFERER" => users_url }
+      delete user_url(@user)
-    assert_response :redirect
     end
 
-  test "should forbid non-admin" do
+    assert_redirected_to users_url
-    sign_in @user
-    get users_url
-    assert_response :forbidden
   end
 end

test/system/charts_test.rb

@@ -0,0 +1,26 @@
+require "application_system_test_case"
+
+class ChartsTest < ApplicationSystemTestCase
+  setup do
+    @user = sign_in(user: users(:alice))
+    @quantity = @user.quantities.create!(name: 'Weight')
+    @unit = @user.units.create!(symbol: 'kg')
+    @user.readouts.create!(quantity: @quantity, unit: @unit, value: 82.5, taken_at: 1.day.ago)
+    @user.readouts.create!(quantity: @quantity, unit: @unit, value: 83.1, taken_at: Time.now)
+    visit charts_path
+  end
+
+  test "charts page is reachable from navigation" do
+    visit root_path
+    click_on t('charts.navigation')
+    assert_current_path charts_path
+  end
+
+  test "renders Plotly chart panel" do
+    assert_selector '#measurements-charts .chart-panel', wait: 5
+  end
+
+  test "chart legend shows quantity name with unit" do
+    assert_text 'Weight (kg)', wait: 5
+  end
+end

test/system/measurements_test.rb

@@ -0,0 +1,64 @@
+require "application_system_test_case"
+
+class MeasurementsTest < ApplicationSystemTestCase
+  setup do
+    @user = sign_in(user: users(:alice))
+
+    @quantity = @user.quantities.create!(name: 'Weight')
+    @unit = @user.units.create!(symbol: 'kg')
+    @readout = @user.readouts.create!(quantity: @quantity, unit: @unit, value: 82.5)
+
+    visit measurements_path
+  end
+
+  test "index shows quantity name as edit link for active user" do
+    within 'tbody' do
+      assert_selector :link, exact_text: @quantity.name
+    end
+  end
+
+  test "edit opens inline form on quantity link click" do
+    within 'tbody' do
+      click_on @quantity.name
+      assert_selector ':focus'
+      assert_selector 'input[name="readout[value]"]'
+    end
+  end
+
+  test "edit and update measurement value" do
+    within 'tbody' do
+      click_on @quantity.name
+      fill_in 'readout[value]', with: '83.1'
+      assert_difference ->{ @readout.reload.value }, 83.1 - @readout.value do
+        click_on t('helpers.submit.update')
+      end
+      assert_no_selector :fillable_field
+      assert_selector :link, exact_text: @quantity.name
+    end
+    assert_selector '.flash.notice', text: t('measurements.update.success')
+  end
+
+  test "cancel edit restores original row" do
+    within 'tbody' do
+      click_on @quantity.name
+      assert_selector 'input[name="readout[value]"]'
+      click_on t(:cancel)
+      assert_no_selector :fillable_field
+      assert_selector :link, exact_text: @quantity.name
+    end
+  end
+
+  test "wide view edit opens panel form" do
+    @readout.update!(taken_at: Time.now)
+    visit measurements_path
+    execute_script("localStorage.removeItem('measurements-view')")
+    visit measurements_path
+
+    find('button[data-view="wide"]').click
+    within '#measurements-wide' do
+      assert_text format("%.10g", 82.5), wait: 3
+      find('button.link').click
+    end
+    assert_selector '#measurement_edit_form input[name="readout[value]"]', wait: 5
+  end
+end

test/system/quantities_test.rb

@@ -0,0 +1,45 @@
+require "application_system_test_case"
+
+class QuantitiesTest < ApplicationSystemTestCase
+  setup do
+    @user = sign_in(user: users(:alice))
+    @unit = @user.units.create!(symbol: 'kg')
+    @quantity = @user.quantities.create!(name: 'Weight')
+    visit quantities_path
+  end
+
+  test "update button turns red when default unit changes" do
+    click_on 'Weight'
+
+    button = find('button[name=button]')
+    initial_color = evaluate_script("getComputedStyle(arguments[0]).backgroundColor", button)
+
+    select 'kg', from: 'quantity[default_unit_id]'
+
+    changed_color = evaluate_script("getComputedStyle(arguments[0]).backgroundColor", button)
+    refute_equal initial_color, changed_color, "Button color should change when default unit is altered"
+  end
+
+  test "saving default unit pre-selects it in measurements form" do
+    click_on 'Weight'
+    select 'kg', from: 'quantity[default_unit_id]'
+    click_on t('helpers.submit.update')
+    assert_selector '.flash.notice'
+
+    @quantity.reload
+    assert_equal @unit.id, @quantity.default_unit_id
+
+    visit measurements_path
+    find(:link_or_button, t('measurements.index.new_measurement')).click
+    assert_selector '#measurement_form'
+
+    within '#quantity_select' do
+      check 'Weight'
+    end
+    find('button[formaction]').click
+
+    within 'tbody#readouts' do
+      assert_selector "option[value='#{@unit.id}'][selected]"
+    end
+  end
+end

test/system/users_test.rb

@@ -183,7 +183,7 @@ class UsersTest < ApplicationSystemTestCase
   end
 
   test 'delete profile' do
-    user = sign_in user: users.reject(&:admin?).select(&:confirmed?).sample
+    user = sign_in
     # TODO: remove condition after root_url changed to different path than
     # profile in routes.rb
     unless has_current_path?(edit_user_registration_path)
@@ -196,14 +196,6 @@ class UsersTest < ApplicationSystemTestCase
     assert_text t("devise.registrations.destroyed")
   end
 
-  test 'sole admin cannot delete profile' do
-    sign_in user: users(:admin)
-    unless has_current_path?(edit_user_registration_path)
-      first(:link_or_button, users(:admin).email).click
-    end
-    assert find(:button, t("users.registrations.edit.delete"))[:disabled]
-  end
-
   test 'index forbidden for non admin' do
     sign_in user: users.reject(&:admin?).select(&:confirmed?).sample
     visit users_path
@@ -237,7 +229,7 @@ class UsersTest < ApplicationSystemTestCase
       user = User.find_by_email!(first(:link).text)
       inject_button_to first('td:not(.link)'), "update status", user_path(user), method: :patch,
         params: {user: {status: User.statuses.keys.sample}}, data: {turbo: false}
-      click_on "update status"
+      execute_script("arguments[0].click()", find_button("update status"))
     end
     assert_title 'The change you wanted was rejected (422)'
   end

test/test_helper.rb

@@ -2,10 +2,6 @@ ENV["RAILS_ENV"] ||= "test"
 require_relative "../config/environment"
 require "rails/test_help"
 
-class ActionDispatch::IntegrationTest
-  include Devise::Test::IntegrationHelpers
-end
-
 class ActiveSupport::TestCase
   # Run tests in parallel with specified workers
   parallelize(workers: :number_of_processors)