feat: add position9 field component

web/src/lib/components/kit/SchemaFields.svelte

@@ -14,6 +14,7 @@
 	import SelectControl from "./fields/schema/SelectControl.svelte";
 	import TextControl from "./fields/schema/TextControl.svelte";
 	import OffsetControl from "./fields/schema/OffsetControl.svelte";
+	import PositionControl from "./fields/schema/PositionControl.svelte";
 
 	interface FieldControlProps {
 		label: string;
@@ -32,6 +33,7 @@
 		text: TextControl,
 		dimension: DimensionField,
 		offset: OffsetControl,
+		position9: PositionControl,
 	};
 
 	interface Props {

web/src/lib/components/kit/fields/schema/PositionControl.svelte

@@ -0,0 +1,90 @@
+<script lang="ts">
+	import type { Position9 } from "$lib/core/textdraw";
+	import {
+		POSITION9_VALUES,
+		type FieldSpec,
+		type Position9Spec,
+	} from "$lib/registry-schema";
+
+	interface Props {
+		label: string;
+		value: unknown;
+		spec: FieldSpec;
+		onchange?: (value: Position9) => void;
+	}
+	let { label, value, spec, onchange }: Props = $props();
+
+	const sp = $derived(spec as Position9Spec);
+	const current = $derived(
+		typeof value === "string" &&
+			(POSITION9_VALUES as readonly string[]).includes(value)
+			? (value as Position9)
+			: sp.default,
+	);
+</script>
+
+<div class="control position-control">
+	<span class="position-label">{label}</span>
+	<div class="grid">
+		{#each POSITION9_VALUES as position (position)}
+			<button
+				type="button"
+				class="cell {current === position ? 'active' : ''}"
+				aria-label={position}
+				aria-pressed={current === position}
+				onclick={() => onchange?.(position)}
+			>
+				<span class="dot"></span>
+			</button>
+		{/each}
+	</div>
+</div>
+
+<style>
+	.control {
+		display: grid;
+		gap: var(--space-m);
+		margin-bottom: var(--space-xl);
+		color: var(--color-text-muted);
+		font: var(--font-size-s) var(--font-mono);
+		letter-spacing: var(--space-text-m);
+	}
+	.position-label {
+		color: var(--color-text);
+		font-size: var(--font-size-s);
+		letter-spacing: var(--space-text-l);
+		text-transform: uppercase;
+	}
+	.grid {
+		display: inline-grid;
+		grid-template-columns: repeat(3, var(--space-xl));
+		gap: var(--space-s);
+	}
+	.cell {
+		display: grid;
+		place-items: center;
+		width: var(--space-xl);
+		height: var(--space-xl);
+		padding: 0;
+		background: var(--color-background);
+		border: var(--size-border) solid var(--color-border);
+		border-radius: var(--radius-s);
+		cursor: pointer;
+	}
+	.cell:hover {
+		border-color: var(--color-main);
+	}
+	.dot {
+		width: var(--space-s);
+		height: var(--space-s);
+		border-radius: 50%;
+		background: var(--color-border);
+	}
+	.active {
+		border-color: var(--color-main);
+		background: var(--color-main);
+	}
+	.active .dot {
+		background: var(--color-text);
+	}
+</style>