split artifact pane into detail and edit views

- CollectionArtifactDetailPane: read-only view with Edit button in header
- CollectionArtifactEditPane: editable form pushed onto pane stack
- ArtifactSkillDisplay: new read-only skill display component

src/lib/components/artifact/ArtifactSkillDisplay.svelte

@@ -0,0 +1,98 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	/**
+	 * ArtifactSkillDisplay - Read-only display of an artifact skill
+	 */
+	import type { ArtifactSkillInstance } from '$lib/types/api/artifact'
+	import { createQuery } from '@tanstack/svelte-query'
+	import { artifactQueries } from '$lib/api/queries/artifact.queries'
+
+	interface Props {
+		slot: number
+		skill: ArtifactSkillInstance
+	}
+
+	const { slot, skill }: Props = $props()
+
+	// Query skills to get the full skill definition
+	const skillsQuery = createQuery(() => artifactQueries.skills())
+
+	// Find the skill definition
+	const skillDef = $derived(
+		skillsQuery.data?.find((s) => s.modifier === skill.modifier)
+	)
+
+	const modifierName = $derived(skillDef?.name?.en ?? `Skill ${slot}`)
+	const suffix = $derived(skillDef?.suffix?.en ?? '')
+	const isNegative = $derived(skillDef?.polarity === 'negative')
+</script>
+
+<div class="skill-display">
+	<div class="skill-header">
+		<span class="slot">Skill {slot}</span>
+		<span class="level">Lv.{skill.level}</span>
+	</div>
+	<div class="skill-info">
+		<span class="modifier-name">{modifierName}</span>
+		<span class="strength" class:negative={isNegative}>
+			{isNegative ? '−' : '+'}{skill.strength}{suffix}
+		</span>
+	</div>
+</div>
+
+<style lang="scss">
+	@use '$src/themes/spacing' as *;
+	@use '$src/themes/typography' as *;
+	@use '$src/themes/layout' as *;
+	@use '$src/themes/colors' as *;
+
+	.skill-display {
+		display: flex;
+		flex-direction: column;
+		gap: $unit-fourth;
+		padding: $unit;
+		background: var(--input-bg);
+		border-radius: $item-corner;
+	}
+
+	.skill-header {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+	}
+
+	.slot {
+		font-size: $font-tiny;
+		color: var(--text-tertiary);
+		text-transform: uppercase;
+		letter-spacing: 0.5px;
+	}
+
+	.level {
+		font-size: $font-tiny;
+		color: var(--text-secondary);
+	}
+
+	.skill-info {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+	}
+
+	.modifier-name {
+		font-size: $font-small;
+		font-weight: $medium;
+		color: var(--text-primary);
+	}
+
+	.strength {
+		font-size: $font-small;
+		font-weight: $bold;
+		color: $wind-text-20;
+
+		&.negative {
+			color: $error;
+		}
+	}
+</style>

src/lib/components/collection/CollectionArtifactDetailPane.svelte

@@ -0,0 +1,199 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	/**
+	 * CollectionArtifactDetailPane - View-only pane for artifact details
+	 *
+	 * Shows artifact info in read-only mode. If user is owner,
+	 * provides Edit button in header to push edit pane onto stack.
+	 */
+	import type { CollectionArtifact } from '$lib/types/api/artifact'
+	import { isQuirkArtifact } from '$lib/types/api/artifact'
+	import { usePaneStack, type PaneConfig } from '$lib/stores/paneStack.svelte'
+	import { sidebar } from '$lib/stores/sidebar.svelte'
+	import { getArtifactImage } from '$lib/utils/images'
+	import DetailsSection from '$lib/components/sidebar/details/DetailsSection.svelte'
+	import DetailRow from '$lib/components/sidebar/details/DetailRow.svelte'
+	import ElementLabel from '$lib/components/labels/ElementLabel.svelte'
+	import ProficiencyLabel from '$lib/components/labels/ProficiencyLabel.svelte'
+	import ArtifactGradeDisplay from '$lib/components/artifact/ArtifactGradeDisplay.svelte'
+	import ArtifactSkillDisplay from '$lib/components/artifact/ArtifactSkillDisplay.svelte'
+	import CollectionArtifactEditPane from './CollectionArtifactEditPane.svelte'
+
+	interface Props {
+		artifact: CollectionArtifact
+		isOwner?: boolean
+		onClose?: () => void
+	}
+
+	let { artifact, isOwner = false, onClose }: Props = $props()
+
+	const paneStack = usePaneStack()
+
+	// Image and name
+	const imageUrl = $derived(getArtifactImage(artifact.artifact?.granblueId))
+	const displayName = $derived.by(() => {
+		const name = artifact.artifact?.name
+		if (!name) return '—'
+		if (typeof name === 'string') return name
+		return name.en || name.ja || '—'
+	})
+
+	// Artifact properties
+	const isQuirk = $derived(isQuirkArtifact(artifact.artifact))
+	const proficiency = $derived(
+		(isQuirk ? artifact.proficiency : artifact.artifact?.proficiency) ?? undefined
+	)
+
+	// Skills (only for standard artifacts)
+	const skills = $derived(artifact.skills ?? [])
+	const hasSkills = $derived(!isQuirk && skills.some((s) => s !== null))
+
+	// Push edit pane
+	function handleEdit() {
+		const config: PaneConfig = {
+			id: `artifact-edit-${artifact.id}`,
+			title: 'Edit Artifact',
+			component: CollectionArtifactEditPane,
+			props: {
+				artifact,
+				onClose
+			}
+		}
+		paneStack.push(config)
+	}
+
+	// Set up the Edit action button in the pane header for owners
+	$effect(() => {
+		if (isOwner) {
+			sidebar.setAction(handleEdit, 'Edit')
+		}
+
+		return () => {
+			// Clean up action when component unmounts
+			sidebar.clearAction()
+		}
+	})
+</script>
+
+<div class="artifact-detail-pane">
+	<!-- Header with image -->
+	<div class="pane-header">
+		<div class="artifact-image">
+			<img src={imageUrl} alt={displayName} />
+		</div>
+		<h2 class="artifact-name">{displayName}</h2>
+		{#if artifact.nickname}
+			<p class="artifact-nickname">"{artifact.nickname}"</p>
+		{/if}
+	</div>
+
+	<!-- Details content -->
+	<div class="pane-content">
+		<DetailsSection title="Properties">
+			<DetailRow label="Element">
+				<ElementLabel element={artifact.element} size="medium" />
+			</DetailRow>
+
+			<DetailRow label="Proficiency">
+				<ProficiencyLabel {proficiency} size="medium" />
+			</DetailRow>
+
+			<DetailRow label="Level" value="Lv.{artifact.level}" />
+
+			{#if isQuirk}
+				<DetailRow label="Type" value="Quirk" />
+			{/if}
+		</DetailsSection>
+
+		{#if hasSkills}
+			<DetailsSection title="Skills">
+				<div class="skills-list">
+					{#each skills as skill, index}
+						{#if skill}
+							<ArtifactSkillDisplay slot={index + 1} {skill} />
+						{/if}
+					{/each}
+				</div>
+			</DetailsSection>
+		{/if}
+
+		<DetailsSection title="Grade">
+			<div class="grade-section">
+				<ArtifactGradeDisplay grade={artifact.grade} />
+			</div>
+		</DetailsSection>
+	</div>
+
+</div>
+
+<style lang="scss">
+	@use '$src/themes/spacing' as *;
+	@use '$src/themes/typography' as *;
+	@use '$src/themes/layout' as *;
+
+	.artifact-detail-pane {
+		display: flex;
+		flex-direction: column;
+		height: 100%;
+	}
+
+	.pane-header {
+		display: flex;
+		flex-direction: column;
+		align-items: center;
+		padding: $unit-2x;
+		border-bottom: 1px solid var(--border-secondary);
+	}
+
+	.artifact-image {
+		width: 80px;
+		height: 80px;
+		border-radius: $item-corner;
+		overflow: hidden;
+		background: var(--card-bg, #f5f5f5);
+		margin-bottom: $unit;
+
+		img {
+			width: 100%;
+			height: 100%;
+			object-fit: contain;
+		}
+	}
+
+	.artifact-name {
+		margin: 0;
+		font-size: $font-large;
+		font-weight: $bold;
+		color: var(--text-primary);
+		text-align: center;
+	}
+
+	.artifact-nickname {
+		margin: $unit-half 0 0;
+		font-size: $font-small;
+		color: var(--text-secondary);
+		font-style: italic;
+		text-align: center;
+	}
+
+	.pane-content {
+		flex: 1;
+		overflow-y: auto;
+		display: flex;
+		flex-direction: column;
+		gap: $unit-2x;
+		padding-bottom: $unit-2x;
+	}
+
+	.skills-list {
+		display: flex;
+		flex-direction: column;
+		gap: $unit;
+		padding: 0 $unit;
+	}
+
+	.grade-section {
+		padding: $unit;
+	}
+</style>

src/lib/components/collection/CollectionArtifactEditPane.svelte

@@ -0,0 +1,102 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+	/**
+	 * CollectionArtifactEditPane - Edit pane for modifying artifact properties
+	 *
+	 * Pushed onto pane stack from CollectionArtifactDetailPane.
+	 * Handles saving and deleting artifacts.
+	 */
+	import type { CollectionArtifact } from '$lib/types/api/artifact'
+	import { useUpdateCollectionArtifact, useDeleteCollectionArtifact } from '$lib/api/mutations/artifact.mutations'
+	import { usePaneStack } from '$lib/stores/paneStack.svelte'
+	import ArtifactEditPane from '$lib/components/artifact/ArtifactEditPane.svelte'
+	import Button from '$lib/components/ui/Button.svelte'
+
+	interface Props {
+		artifact: CollectionArtifact
+		onClose?: () => void
+	}
+
+	let { artifact, onClose }: Props = $props()
+
+	const paneStack = usePaneStack()
+
+	// Mutations
+	const updateMutation = useUpdateCollectionArtifact()
+	const deleteMutation = useDeleteCollectionArtifact()
+
+	// Handle updates from ArtifactEditPane
+	function handleUpdate(updates: Partial<CollectionArtifact>) {
+		updateMutation.mutate({
+			id: artifact.id,
+			input: {
+				element: updates.element,
+				level: updates.level,
+				proficiency: updates.proficiency,
+				skill1: updates.skills?.[0] ?? undefined,
+				skill2: updates.skills?.[1] ?? undefined,
+				skill3: updates.skills?.[2] ?? undefined,
+				skill4: updates.skills?.[3] ?? undefined
+			}
+		})
+	}
+
+	// Handle delete
+	function handleDelete() {
+		if (confirm('Are you sure you want to delete this artifact from your collection?')) {
+			deleteMutation.mutate(artifact.id, {
+				onSuccess: () => {
+					onClose?.()
+				}
+			})
+		}
+	}
+</script>
+
+<div class="artifact-edit-pane">
+	<!-- Edit pane content -->
+	<div class="pane-content">
+		<ArtifactEditPane
+			{artifact}
+			onUpdate={handleUpdate}
+		/>
+	</div>
+
+	<!-- Actions footer -->
+	<div class="pane-footer">
+		<Button
+			variant="destructive"
+			size="small"
+			onclick={handleDelete}
+			disabled={deleteMutation.isPending}
+		>
+			{deleteMutation.isPending ? 'Deleting...' : 'Delete'}
+		</Button>
+	</div>
+</div>
+
+<style lang="scss">
+	@use '$src/themes/spacing' as *;
+	@use '$src/themes/typography' as *;
+	@use '$src/themes/layout' as *;
+
+	.artifact-edit-pane {
+		display: flex;
+		flex-direction: column;
+		height: 100%;
+	}
+
+	.pane-content {
+		flex: 1;
+		overflow-y: auto;
+	}
+
+	.pane-footer {
+		display: flex;
+		justify-content: center;
+		padding: $unit-2x;
+		border-top: 1px solid var(--border-secondary);
+		flex-shrink: 0;
+	}
+</style>

src/lib/components/collection/CollectionArtifactPane.svelte

@@ -1,157 +0,0 @@
-<svelte:options runes={true} />
-
-<script lang="ts">
-	import type { CollectionArtifact } from '$lib/types/api/artifact'
-	import { useUpdateCollectionArtifact, useDeleteCollectionArtifact } from '$lib/api/mutations/artifact.mutations'
-	import { getArtifactImage } from '$lib/utils/images'
-	import ArtifactEditPane from '$lib/components/artifact/ArtifactEditPane.svelte'
-	import Button from '$lib/components/ui/Button.svelte'
-
-	interface Props {
-		artifact: CollectionArtifact
-		isOwner?: boolean
-		onClose?: () => void
-	}
-
-	let { artifact, isOwner = false, onClose }: Props = $props()
-
-	// Mutations
-	const updateMutation = useUpdateCollectionArtifact()
-	const deleteMutation = useDeleteCollectionArtifact()
-
-	// Image and name for header
-	const imageUrl = $derived(getArtifactImage(artifact.artifact?.granblueId))
-	const displayName = $derived.by(() => {
-		const name = artifact.artifact?.name
-		if (!name) return '—'
-		if (typeof name === 'string') return name
-		return name.en || name.ja || '—'
-	})
-
-	// Handle updates from ArtifactEditPane
-	function handleUpdate(updates: Partial<CollectionArtifact>) {
-		updateMutation.mutate({
-			id: artifact.id,
-			input: {
-				element: updates.element,
-				level: updates.level,
-				proficiency: updates.proficiency,
-				skill1: updates.skills?.[0] ?? undefined,
-				skill2: updates.skills?.[1] ?? undefined,
-				skill3: updates.skills?.[2] ?? undefined,
-				skill4: updates.skills?.[3] ?? undefined
-			}
-		})
-	}
-
-	// Handle delete
-	function handleDelete() {
-		if (confirm('Are you sure you want to delete this artifact from your collection?')) {
-			deleteMutation.mutate(artifact.id, {
-				onSuccess: () => {
-					onClose?.()
-				}
-			})
-		}
-	}
-</script>
-
-<div class="artifact-pane">
-	<!-- Header with image -->
-	<div class="pane-header">
-		<div class="artifact-image">
-			<img src={imageUrl} alt={displayName} />
-		</div>
-		<h2 class="artifact-name">{displayName}</h2>
-		{#if artifact.nickname}
-			<p class="artifact-nickname">"{artifact.nickname}"</p>
-		{/if}
-	</div>
-
-	<!-- Edit pane content -->
-	<div class="pane-content">
-		<ArtifactEditPane
-			{artifact}
-			onUpdate={isOwner ? handleUpdate : undefined}
-			disabled={!isOwner}
-		/>
-	</div>
-
-	<!-- Actions footer (owner only) -->
-	{#if isOwner}
-		<div class="pane-footer">
-			<Button
-				variant="destructive"
-				size="small"
-				onclick={handleDelete}
-				disabled={deleteMutation.isPending}
-			>
-				{deleteMutation.isPending ? 'Deleting...' : 'Delete'}
-			</Button>
-		</div>
-	{/if}
-</div>
-
-<style lang="scss">
-	@use '$src/themes/spacing' as *;
-	@use '$src/themes/typography' as *;
-	@use '$src/themes/layout' as *;
-
-	.artifact-pane {
-		display: flex;
-		flex-direction: column;
-		height: 100%;
-	}
-
-	.pane-header {
-		display: flex;
-		flex-direction: column;
-		align-items: center;
-		padding: $unit-2x;
-		border-bottom: 1px solid var(--border-secondary);
-	}
-
-	.artifact-image {
-		width: 80px;
-		height: 80px;
-		border-radius: $item-corner;
-		overflow: hidden;
-		background: var(--card-bg, #f5f5f5);
-		margin-bottom: $unit;
-
-		img {
-			width: 100%;
-			height: 100%;
-			object-fit: contain;
-		}
-	}
-
-	.artifact-name {
-		margin: 0;
-		font-size: $font-large;
-		font-weight: $bold;
-		color: var(--text-primary);
-		text-align: center;
-	}
-
-	.artifact-nickname {
-		margin: $unit-half 0 0;
-		font-size: $font-small;
-		color: var(--text-secondary);
-		font-style: italic;
-		text-align: center;
-	}
-
-	.pane-content {
-		flex: 1;
-		overflow-y: auto;
-	}
-
-	.pane-footer {
-		display: flex;
-		justify-content: center;
-		padding: $unit-2x;
-		border-top: 1px solid var(--border-secondary);
-		flex-shrink: 0;
-	}
-</style>

src/routes/(app)/[username]/collection/artifacts/+page.svelte

@@ -3,7 +3,7 @@
 	import type { CollectionArtifact } from '$lib/types/api/artifact'
 	import { createInfiniteQuery } from '@tanstack/svelte-query'
 	import { artifactQueries } from '$lib/api/queries/artifact.queries'
-	import CollectionArtifactPane from '$lib/components/collection/CollectionArtifactPane.svelte'
+	import CollectionArtifactDetailPane from '$lib/components/collection/CollectionArtifactDetailPane.svelte'
 	import CollectionArtifactCard from '$lib/components/collection/CollectionArtifactCard.svelte'
 	import CollectionArtifactRow from '$lib/components/collection/CollectionArtifactRow.svelte'
 	import Icon from '$lib/components/Icon.svelte'
@@ -76,7 +76,7 @@
 				? artifact.artifact.name
 				: artifact.artifact?.name?.en || 'Artifact'
 
-		sidebar.openWithComponent(artifactName, CollectionArtifactPane, {
+		sidebar.openWithComponent(artifactName, CollectionArtifactDetailPane, {
 			artifact,
 			isOwner: data.isOwner,
 			onClose: () => sidebar.close()