feat: scaffold SvelteKit project with Tailwind, TypeScript, ESLint, Prettier

Initialize the llm-multiverse-ui project with:
- SvelteKit + Svelte 5 (runes mode enabled)
- Tailwind CSS v4 via @tailwindcss/vite plugin
- TypeScript strict mode
- ESLint 9 flat config with svelte and typescript-eslint plugins
- Prettier with svelte plugin
- Directory structure: src/lib/components/, src/lib/services/
- All required scripts: dev, build, preview, lint, format, check

Closes #1

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude/commands/select-story.md

@@ -16,6 +16,7 @@ Use `mcp__gitea__list_issues` to fetch all open issues. Paginate with `perPage:
 ### 2. Filter Out Ineligible Issues
 
 Remove any issue that has:
+
 - Label `workflow:manual`
 - Label `workflow:blocked`
 
@@ -32,10 +33,12 @@ For each candidate issue, read its body and look for a "Blocked by" section. If
 Sort remaining issues using this priority order:
 
 **Milestone priority (earliest milestone first):**
+
 - Sort by milestone due date (earliest first)
 - Issues with no milestone come last
 
 **Within the same milestone, sort by priority label:**
+
 1. `priority:critical`
 2. `priority:high`
 3. `priority:medium`
@@ -45,6 +48,7 @@ Sort remaining issues using this priority order:
 ### 6. Present the Top Candidate
 
 Display the highest-priority issue with:
+
 - Issue number and title
 - Milestone name
 - All labels