chore: supabase CLI をバージョン固定

pnpm dlx から devDependencies への変更により、チーム全体で同じ
supabase CLI バージョンを使用できるようになります。

変更内容:
- supabase を devDependencies に追加 (^2.70.5)
- pnpm-workspace.yaml に onlyBuiltDependencies を追加
- package.json の scripts から pnpm dlx を削除

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: jujunjun110

package.json

@@ -46,12 +46,12 @@
     "db:studio": "prisma studio",
     "postinstall": "prisma generate && npx simple-git-hooks",
     "// Supabase": "==========================================",
-    "supabase:init": "pnpm dlx supabase init",
-    "supabase:start": "pnpm dlx supabase start",
-    "supabase:stop": "pnpm dlx supabase stop",
-    "supabase:status": "pnpm dlx supabase status",
-    "supabase:reset": "pnpm dlx supabase db reset",
-    "supabase:types": "pnpm dlx supabase gen types typescript --local > supabase/types.gen.ts",
+    "supabase:init": "supabase init",
+    "supabase:start": "supabase start",
+    "supabase:stop": "supabase stop",
+    "supabase:status": "supabase status",
+    "supabase:reset": "supabase db reset",
+    "supabase:types": "supabase gen types typescript --local > supabase/types.gen.ts",
     "// Utilities": "=========================================",
     "clean": "pnpm supabase:stop && rm -rf node_modules */node_modules",
     "fresh": "pnpm clean && pnpm install && pnpm dev:setup",
@@ -71,6 +71,7 @@
     "lint-staged": "^15.5.2",
     "prisma": "^6.14.0",
     "simple-git-hooks": "^2.13.1",
+    "supabase": "^2.70.5",
     "tsx": "^4.21.0",
     "typescript": "^5"
   },

pnpm-lock.yaml

@@ -1,4 +1,7 @@
-packages:
-  - 'packages/*'
-  - 'admin'
-  - 'webapp'
+packages:
+  - 'packages/*'
+  - 'admin'
+  - 'webapp'
+
+onlyBuiltDependencies:
+  - supabase