chore(core-events): scaffold package

Create @repo/core-events package skeleton with package.json, tsconfig.json,
vitest.config.ts (using mergeConfig with nodeVitestConfig), eslint.config.js,
turbo.json (tagged core), and AGENTS.md. Register workspace via pnpm install.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/core-events/AGENTS.md

@@ -0,0 +1,9 @@
+# @repo/core-events
+
+Owns the cross-feature event bus: `IEventBus`, `defineEvent`, and two implementations (`InMemoryEventBus`, `PayloadJobsEventBus`).
+
+**Boundary tag:** core. May be imported by feature, core, core-composition, app. May import from core-shared, tooling.
+
+**Public surface:** `IEventBus`, `EventDescriptor`, `defineEvent`, `EventHandler`, `CORE_EVENTS_SYMBOLS`, both implementations.
+
+**See:** `docs/decisions/adr-015-events-and-jobs.md` (pending), `docs/guides/events-and-jobs.md` (pending), `docs/superpowers/specs/2026-05-08-events-and-jobs-design.md`.

packages/core-events/eslint.config.js

@@ -0,0 +1,3 @@
+import baseConfig from "@repo/core-eslint/base";
+
+export default baseConfig;

packages/core-events/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "@repo/core-events",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "scripts": {
+    "build": "tsc --noEmit",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit",
+    "test": "vitest run"
+  },
+  "dependencies": {
+    "@repo/core-shared": "workspace:*",
+    "zod": "^3.23.0"
+  },
+  "peerDependencies": {
+    "payload": "^3.0.0"
+  },
+  "peerDependenciesMeta": {
+    "payload": { "optional": true }
+  },
+  "devDependencies": {
+    "@repo/core-eslint": "workspace:*",
+    "@repo/core-typescript": "workspace:*",
+    "typescript": "^5.8.0",
+    "vitest": "^3.0.0"
+  }
+}

packages/core-events/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "@repo/core-typescript/base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}

packages/core-events/turbo.json

@@ -0,0 +1,4 @@
+{
+  "extends": ["//"],
+  "tags": ["core"]
+}

packages/core-events/vitest.config.ts

@@ -0,0 +1,9 @@
+import path from "node:path";
+import { mergeConfig } from "vitest/config";
+import { nodeVitestConfig } from "@repo/core-typescript/vitest.base.node";
+
+export default mergeConfig(nodeVitestConfig, {
+  resolve: {
+    alias: { "@": path.resolve(__dirname, "./src") },
+  },
+});

pnpm-lock.yaml

@@ -516,6 +516,31 @@ importers:
         specifier: ^8.25.0
         version: 8.58.0(eslint@9.39.4(jiti@2.6.1))(typescript@5.9.3)
 
+  packages/core-events:
+    dependencies:
+      '@repo/core-shared':
+        specifier: workspace:*
+        version: link:../core-shared
+      payload:
+        specifier: ^3.0.0
+        version: 3.81.0(graphql@16.13.2)(typescript@5.9.3)
+      zod:
+        specifier: ^3.23.0
+        version: 3.25.76
+    devDependencies:
+      '@repo/core-eslint':
+        specifier: workspace:*
+        version: link:../core-eslint
+      '@repo/core-typescript':
+        specifier: workspace:*
+        version: link:../core-typescript
+      typescript:
+        specifier: ^5.8.0
+        version: 5.9.3
+      vitest:
+        specifier: ^3.0.0
+        version: 3.2.4(@types/debug@4.1.13)(@types/node@25.5.2)(happy-dom@20.8.9)(jiti@2.6.1)(jsdom@25.0.1)(lightningcss@1.32.0)(sass@1.99.0)(terser@5.46.2)(tsx@4.21.0)
+
   packages/core-shared:
     dependencies:
       '@sentry/nextjs':