frontend/src/lib/components/PanelHistory.svelte

@@ -333,46 +333,8 @@ $effect(() => {
 					{m.history_compare_apply()}
 				</button>
 			</div>
-		{:else}
-			<!-- Version list -->
-			<ul class="divide-y divide-brand-sand">
-				{#each versions as v, i (v.id)}
-					<li>
-						<button
-							onclick={() => selectVersion(v.id)}
-							data-testid="history-version"
-							class="w-full py-2 text-left transition hover:bg-brand-sand/30 {selectedVersionId ===
-							v.id
-								? 'border-l-2 border-brand-mint pl-2'
-								: 'pl-0'}"
-						>
-							<div class="flex items-baseline justify-between gap-2">
-								<span class="font-sans text-xs font-medium text-brand-navy">
-									Version {i + 1}
-								</span>
-								<span class="font-sans text-[10px] text-gray-400">
-									{formatDateTime(v.savedAt)}
-								</span>
-							</div>
-							<span class="font-sans text-[11px] text-gray-500">{v.editorName}</span>
-							{#if v.changedFields && v.changedFields.length > 0}
-								<div class="mt-1 flex flex-wrap gap-1">
-									{#each v.changedFields as field (field)}
-										<span
-											class="rounded bg-brand-sand/50 px-1.5 py-0.5 font-sans text-[10px] tracking-wide text-gray-500 uppercase"
-										>
-											{fieldLabels[field] ? fieldLabels[field]() : field}
-										</span>
-									{/each}
-								</div>
-							{/if}
-						</button>
-					</li>
-				{/each}
-			</ul>
-		{/if}
 
-		<!-- Diff panel -->
+			<!-- Diff panel for compare mode -->
 			{#if diffLoading}
 				<p class="font-sans text-xs text-gray-400">{m.history_loading()}</p>
 			{:else if noDiff}
@@ -442,5 +404,116 @@ $effect(() => {
 					{/each}
 				</div>
 			{/if}
+		{:else}
+			<!-- Version list with inline diff below each selected item -->
+			<ul class="divide-y divide-brand-sand">
+				{#each versions as v, i (v.id)}
+					<li>
+						<button
+							onclick={() => selectVersion(v.id)}
+							data-testid="history-version"
+							class="w-full py-2 text-left transition hover:bg-brand-sand/30 {selectedVersionId ===
+							v.id
+								? 'border-l-2 border-brand-mint pl-2'
+								: 'pl-0'}"
+						>
+							<div class="flex items-baseline justify-between gap-2">
+								<span class="font-sans text-xs font-medium text-brand-navy">
+									Version {i + 1}
+								</span>
+								<span class="font-sans text-[10px] text-gray-400">
+									{formatDateTime(v.savedAt)}
+								</span>
+							</div>
+							<span class="font-sans text-[11px] text-gray-500">{v.editorName}</span>
+							{#if v.changedFields && v.changedFields.length > 0}
+								<div class="mt-1 flex flex-wrap gap-1">
+									{#each v.changedFields as field (field)}
+										<span
+											class="rounded bg-brand-sand/50 px-1.5 py-0.5 font-sans text-[10px] tracking-wide text-gray-500 uppercase"
+										>
+											{fieldLabels[field] ? fieldLabels[field]() : field}
+										</span>
+									{/each}
+								</div>
+							{/if}
+						</button>
+
+						<!-- Diff shown inline below the selected version -->
+						{#if selectedVersionId === v.id}
+							{#if diffLoading}
+								<p class="pb-3 pl-2 font-sans text-xs text-gray-400">{m.history_loading()}</p>
+							{:else if noDiff}
+								<div
+									data-testid="history-diff"
+									class="mb-2 rounded-sm border border-brand-sand bg-white p-4 font-serif text-sm text-gray-400 italic"
+								>
+									{m.history_diff_no_changes()}
+								</div>
+							{:else if diffEntries.length > 0}
+								<div
+									data-testid="history-diff"
+									class="mb-2 space-y-4 rounded-sm border border-brand-sand bg-white p-4"
+								>
+									{#each diffEntries as entry (entry.field)}
+										<div>
+											<span
+												class="mb-1.5 block font-sans text-[10px] font-bold tracking-wide text-gray-400 uppercase"
+												>{entry.label}</span
+											>
+											{#if entry.kind === 'text'}
+												<p class="font-serif text-sm leading-relaxed">
+													{#each entry.parts as part, partIdx (partIdx)}
+														{#if part.added}
+															<span class="bg-green-50 text-green-700">{part.value}</span>
+														{:else if part.removed}
+															<span class="bg-red-50 text-red-600 line-through">{part.value}</span>
+														{:else}
+															<span>{part.value}</span>
+														{/if}
+													{/each}
+												</p>
+											{:else if entry.kind === 'scalar'}
+												<div class="flex items-center gap-2 font-serif text-sm">
+													<span class="text-red-600 line-through">{entry.oldVal || '—'}</span>
+													<svg
+														class="h-3 w-3 flex-shrink-0 text-gray-400"
+														viewBox="0 0 20 20"
+														fill="currentColor"
+														aria-hidden="true"
+													>
+														<path
+															fill-rule="evenodd"
+															d="M10.293 3.293a1 1 0 011.414 0l6 6a1 1 0 010 1.414l-6 6a1 1 0 01-1.414-1.414L14.586 11H3a1 1 0 110-2h11.586l-4.293-4.293a1 1 0 010-1.414z"
+															clip-rule="evenodd"
+														/>
+													</svg>
+													<span class="text-green-700">{entry.newVal || '—'}</span>
+												</div>
+											{:else if entry.kind === 'relation'}
+												<div class="flex flex-wrap gap-1.5">
+													{#each entry.removed as item (item)}
+														<span
+															class="rounded bg-red-50 px-1.5 py-0.5 font-sans text-[11px] text-red-600 line-through"
+															>{item}</span
+														>
+													{/each}
+													{#each entry.added as item (item)}
+														<span
+															class="rounded bg-green-50 px-1.5 py-0.5 font-sans text-[11px] text-green-700"
+															>{item}</span
+														>
+													{/each}
+												</div>
+											{/if}
+										</div>
+									{/each}
+								</div>
+							{/if}
+						{/if}
+					</li>
+				{/each}
+			</ul>
+		{/if}
 	{/if}
 </div>