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/_shared-context.md

@@ -20,11 +20,11 @@ When in subagent mode, your final output MUST be a single JSON object:
 
 ```json
 {
-  "status": "success | partial | failed",
-  "summary": "3 sentence max description of what happened",
-  "artifacts": ["list of file paths created or modified"],
-  "phase_data": { },
-  "failure_reason": null
+	"status": "success | partial | failed",
+	"summary": "3 sentence max description of what happened",
+	"artifacts": ["list of file paths created or modified"],
+	"phase_data": {},
+	"failure_reason": null
 }
 ```
 
@@ -35,6 +35,7 @@ When in subagent mode, your final output MUST be a single JSON object:
 ## Architecture Reference
 
 All agents MUST respect the project's architecture constraints. Read `CLAUDE.md` if it exists for project-specific rules. Key principles:
+
 - Follow the established frontend framework patterns and conventions
 - Use the project's chosen state management approach consistently
 - Follow component composition patterns already established in the codebase