Reorganize twenty-ui into best-practice component domains and per-component folders (#21745)

Reorganizes `twenty-ui`'s component organization to follow how the best
UI libraries (MUI, Mantine, Base UI, Polaris) structure their source,
now that the package has stabilized.

**Taxonomy** — dissolves the meaningless `components/` junk-drawer and
the 107-file `display/` mega-category. New domains/subpaths:
`data-display`, `typography`, `icon`, `surfaces`; `feedback` and
`layout` absorb the rest (banners/callout/info + placeholders →
feedback; modal/card → surfaces; motion + separators → layout).

**Per-component layout** — every component is now
`<domain>/<ComponentName>/<ComponentName>.tsx` with colocated
styles/stories/types, `internal/` for private helpers and `parts/` for
re-exported compound sub-parts. The redundant inner `/components/` is
gone. `icon` and `json-visualizer` are kept as cohesive subsystems.

**Also:** adds a tree-shakeable root barrel (`import { Button } from
'twenty-ui'`), the generator now owns `individual-entry.ts`, and a real
barrel-leak bug is fixed (private `internals/` parts were leaking into
the public API).

Consumer imports (~1.2k files) and the `twenty-sdk` UI aggregator were
updated by codemod. The change is **export-neutral** except 16
intentionally-removed private internals symbols (all verified
unconsumed). Gates green: typecheck, lint, build, size-limit, storybook.


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packages/twenty-ui/src/input/SearchInput/SearchInput.module.scss

@@ -0,0 +1,55 @@
+.wrapper {
+  align-items: center;
+  display: flex;
+  gap: var(--t-spacing-2);
+  width: 100%;
+}
+
+.inputContainer {
+  align-items: center;
+  background-color: var(--t-background-transparent-lighter);
+  border: 1px solid var(--t-border-color-medium);
+  border-radius: var(--t-border-radius-sm);
+  box-sizing: border-box;
+  display: flex;
+  flex: 1;
+  gap: var(--t-spacing-1);
+  height: 32px;
+  padding: 0 var(--t-spacing-2);
+}
+
+.inputContainer:focus-within {
+  border-color: var(--t-color-blue);
+}
+
+.iconContainer {
+  align-items: center;
+  color: var(--t-font-color-light);
+  display: flex;
+  justify-content: center;
+}
+
+.iconContainer[data-focused] {
+  color: var(--t-font-color-secondary);
+}
+
+.input {
+  background: transparent;
+  border: none;
+  color: var(--t-font-color-primary);
+  flex: 1;
+  font-family: var(--t-font-family);
+  font-size: var(--t-font-size-md);
+  font-weight: var(--t-font-weight-regular);
+  outline: none;
+  width: 100%;
+}
+
+.input::placeholder {
+  color: var(--t-font-color-light);
+  font-weight: var(--t-font-weight-medium);
+}
+
+.input:disabled {
+  color: var(--t-font-color-tertiary);
+}

packages/twenty-ui/src/input/SearchInput/SearchInput.module.scss.d.ts

@@ -0,0 +1,7 @@
+declare const classNames: {
+  readonly wrapper: 'wrapper';
+  readonly inputContainer: 'inputContainer';
+  readonly iconContainer: 'iconContainer';
+  readonly input: 'input';
+};
+export default classNames;

packages/twenty-ui/src/input/SearchInput/SearchInput.tsx

@@ -0,0 +1,58 @@
+import { Input } from '@base-ui/react/input';
+import { clsx } from 'clsx';
+import { type ReactNode, useContext, useState } from 'react';
+
+import { IconFilter, IconSearch } from '@ui/icon';
+import { IconButton } from '@ui/input/IconButton/IconButton';
+import { ThemeContext } from '@ui/theme-constants';
+
+import styles from './SearchInput.module.scss';
+
+export type SearchInputProps = {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  filterDropdown?: (filterButton: ReactNode) => ReactNode;
+  autoFocus?: boolean;
+  disabled?: boolean;
+  className?: string;
+};
+
+export const SearchInput = ({
+  value,
+  onChange,
+  placeholder,
+  filterDropdown,
+  autoFocus,
+  disabled,
+  className,
+}: SearchInputProps) => {
+  const { theme } = useContext(ThemeContext);
+  const [isFocused, setIsFocused] = useState(false);
+
+  const filterButton = <IconButton Icon={IconFilter} variant="secondary" />;
+
+  return (
+    <div className={clsx(styles.wrapper, className)}>
+      <div className={styles.inputContainer}>
+        <div
+          className={styles.iconContainer}
+          data-focused={isFocused || undefined}
+        >
+          <IconSearch size={theme.icon.size.md} />
+        </div>
+        <Input
+          className={styles.input}
+          value={value}
+          onValueChange={(newValue) => onChange(newValue)}
+          onFocus={() => setIsFocused(true)}
+          onBlur={() => setIsFocused(false)}
+          placeholder={placeholder}
+          autoFocus={autoFocus}
+          disabled={disabled}
+        />
+      </div>
+      {filterDropdown && filterDropdown(filterButton)}
+    </div>
+  );
+};

packages/twenty-ui/src/input/SearchInput/__stories__/SearchInput.stories.tsx

@@ -0,0 +1,54 @@
+import { type Meta, type StoryObj } from '@storybook/react-vite';
+import { ComponentDecorator } from '@ui/testing';
+import { useState } from 'react';
+
+import { SearchInput } from '@ui/input/SearchInput/SearchInput';
+
+type InteractiveSearchInputProps = {
+  placeholder?: string;
+  disabled?: boolean;
+  autoFocus?: boolean;
+  className?: string;
+};
+
+const InteractiveSearchInput = ({
+  placeholder,
+  disabled,
+  autoFocus,
+  className,
+}: InteractiveSearchInputProps) => {
+  const [value, setValue] = useState('');
+
+  return (
+    <SearchInput
+      value={value}
+      onChange={setValue}
+      placeholder={placeholder}
+      disabled={disabled}
+      autoFocus={autoFocus}
+      className={className}
+    />
+  );
+};
+
+const meta: Meta<typeof InteractiveSearchInput> = {
+  title: 'UI/Input/SearchInput',
+  component: InteractiveSearchInput,
+  decorators: [ComponentDecorator],
+};
+
+export default meta;
+type Story = StoryObj<typeof InteractiveSearchInput>;
+
+export const Default: Story = {
+  args: {
+    placeholder: 'Search...',
+  },
+};
+
+export const Disabled: Story = {
+  args: {
+    placeholder: 'Search...',
+    disabled: true,
+  },
+};