Codex/whe 15 bootstrap workspace (#1)

* feat(WHE-15): bootstrap bun workspace with app and package scaffolds

* chore(WHE-17): switch workspace typecheck to tsgo

* chore(WHE-16): configure oxlint and oxfmt no-semicolon style

* chore: address CodeRabbit review feedback

* chore: apply coderabbit fixes and add review script

* docs: add ADR decision metadata

apps/bot/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "@household/bot",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "bun run src/index.ts",
+    "build": "bun build src/index.ts --outdir dist --target bun",
+    "typecheck": "tsgo --project tsconfig.json --noEmit",
+    "test": "bun test --pass-with-no-tests",
+    "lint": "oxlint \"src\""
+  }
+}

apps/bot/src/index.ts

@@ -0,0 +1,7 @@
+const startupMessage = '@household/bot scaffold is ready'
+
+if (import.meta.main) {
+  console.log(startupMessage)
+}
+
+export { startupMessage }

apps/bot/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "composite": true
+  },
+  "include": ["src/**/*.ts"]
+}