let claude create the monorepo layout

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "campaign-manager",
+  "private": true,
+  "pnpm": {
+    "onlyBuiltDependencies": ["esbuild"]
+  },
+  "scripts": {
+    "dev:symbiote": "pnpm --filter symbiote dev",
+    "dev:web": "pnpm --filter web dev",
+    "build:symbiote": "pnpm --filter symbiote build",
+    "build:web": "pnpm --filter web build",
+    "build:backend": "cargo build --release"
+  }
+}