chore: initial scaffold for @marketplaces/auth and @marketplaces/payment

packages/payment/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@marketplaces/payment",
+  "version": "0.1.0",
+  "description": "Shared payment/finance client (FX, pricing, checkout gateways) for marketplaces projects. Thin by design — payment business logic stays server-side per Phase 1/7 backend contracts.",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "files": ["dist"],
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "test": "echo \"no tests yet\" && exit 0"
+  },
+  "peerDependencies": {
+    "@angular/core": ">=22.0.0",
+    "@angular/common": ">=22.0.0",
+    "rxjs": ">=7.8.0"
+  },
+  "publishConfig": {
+    "access": "restricted"
+  },
+  "license": "UNLICENSED"
+}

packages/payment/src/index.ts

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+// @marketplaces/payment — public API barrel.
+// Scaffold only: code migrates here from src/app/core/finance and src/app/core/pricing
+// per ADR-0001 (marketplaces repo: docs/context/adrs/ADR-0001-extract-auth-and-payment-into-shared-marketplaces-packages.md).
+// Nothing is exported yet — the marketplaces repo still owns the live implementation until migration lands.
+export {};

packages/payment/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "bundler",
+    "declaration": true,
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "skipLibCheck": true,
+    "experimentalDecorators": true,
+    "useDefineForClassFields": false
+  },
+  "include": ["src"]
+}