feat: drop impeccable scaffolding, .mcp.json moves to infra

template/.mcp.json

@@ -1,8 +0,0 @@
-{
-  "mcpServers": {
-    "svelte": {
-      "type": "http",
-      "url": "https://mcp.svelte.dev/mcp"
-    }
-  }
-}

template/{% if include_impeccable %}.impeccable{% endif %}/.gitignore

@@ -1,3 +0,0 @@
-config.local.json
-hook.cache.json
-hook.pending.json

template/{{ part_dir }}/biome.jsonc.jinja

@@ -2,13 +2,7 @@
   "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
   "extends": ["ultracite/biome/core", "ultracite/biome/svelte"],
   "files": {
-    "includes": [
-      "!.claude",
-      "!.svelte-kit",
-      "!build",
-      "!.mcp.json",
-      "!.impeccable"
-    ]
+    "includes": ["!.claude", "!.svelte-kit", "!build", "!.mcp.json"]
   },
   "javascript": { "globals": ["Bun"] },
   "overrides": [

template/{{ part_dir }}/{% if layout == 'part' %}.gitignore{% endif %}

@@ -16,8 +16,3 @@ node_modules
 # Vite
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
-
-# Impeccable
-**/.impeccable/config.local.json
-**/.impeccable/hook.cache.json
-**/.impeccable/hook.pending.json