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/agents/select-story.md

@@ -18,6 +18,7 @@ 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`
 
@@ -34,10 +35,12 @@ 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`
@@ -47,6 +50,7 @@ Sort remaining issues using this priority order:
 ### 6. Present or Return Result
 
 **standalone mode:** Display the highest-priority issue with:
+
 - Issue number and title
 - Milestone name
 - All labels
@@ -61,6 +65,7 @@ Then ask: "Shall I proceed to plan this story, or would you like to pick a diffe
 ## Auto-Merge Eligibility
 
 All issues are auto-merge eligible by default EXCEPT:
+
 - Issues with label `workflow:manual-review`
 
 If the issue has `workflow:manual-review`, set `auto_merge_eligible: false`. Otherwise set it to `true`.
@@ -69,17 +74,17 @@ If the issue has `workflow:manual-review`, set `auto_merge_eligible: false`. Oth
 
 ```json
 {
-  "status": "success | failed",
-  "summary": "Selected issue #N: <title>",
-  "artifacts": [],
-  "phase_data": {
-    "issue_number": 28,
-    "issue_title": "Story title",
-    "milestone": "MVP",
-    "labels": ["type:feature", "priority:high"],
-    "auto_merge_eligible": true
-  },
-  "failure_reason": null
+	"status": "success | failed",
+	"summary": "Selected issue #N: <title>",
+	"artifacts": [],
+	"phase_data": {
+		"issue_number": 28,
+		"issue_title": "Story title",
+		"milestone": "MVP",
+		"labels": ["type:feature", "priority:high"],
+		"auto_merge_eligible": true
+	},
+	"failure_reason": null
 }
 ```