feat: add options/map flow, dev seed, and artwork fixes

Options page, Kakao map with florist order message, dev tooling, and
create/message dummy gating — without secrets in .env.example.

Co-authored-by: 이지은 <ijieun@ijieun-ui-MacBookPro.local>
Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/components/ui/map/FloristOrderMessage.svelte

@@ -0,0 +1,53 @@
+<script>
+	/** @typedef {{ text: string, highlight: boolean }} OrderMessageSegment */
+
+	let {
+		plainText = '',
+		segments = /** @type {OrderMessageSegment[]} */ ([])
+	} = $props();
+
+	let copied = $state(false);
+
+	const hasMessage = $derived(Boolean(plainText?.trim()));
+
+	async function handleCopy() {
+		if (!hasMessage) return;
+
+		try {
+			await navigator.clipboard.writeText(plainText);
+			copied = true;
+			setTimeout(() => {
+				copied = false;
+			}, 2000);
+		} catch {
+			// 클립보드 API 미지원 환경
+		}
+	}
+</script>
+
+<div class="flex items-start justify-between gap-3">
+	{#if hasMessage}
+		<p class="min-w-0 flex-1 text-sm leading-relaxed text-muted">
+			{#each segments as segment, index (index)}
+				{#if segment.highlight}
+					<span class="text-pill">{'{'}</span><span class="font-medium text-ink"
+						>{segment.text}</span
+					><span class="text-pill">{'}'}</span>
+				{:else}
+					{segment.text}
+				{/if}
+			{/each}
+		</p>
+	{:else}
+		<p class="text-sm text-muted">Complete the flow to generate your order message.</p>
+	{/if}
+
+	<button
+		type="button"
+		disabled={!hasMessage}
+		onclick={handleCopy}
+		class="shrink-0 rounded bg-pill px-3 py-1.5 text-xs text-surface disabled:opacity-40"
+	>
+		{copied ? 'Copied!' : 'Copy'}
+	</button>
+</div>