feat: add fake phase harness

packages/run-engine/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "@devflow/run-engine",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "scripts": {
+    "build": "tsup src/index.ts --format esm,cjs --clean && tsc -p tsconfig.build.json",
+    "typecheck": "tsc -p ../../tsconfig.typecheck.json --noEmit",
+    "test": "cd ../.. && vitest run --project packages/run-engine"
+  },
+  "dependencies": {
+    "@devflow/core": "workspace:*",
+    "@devflow/db": "workspace:*",
+    "@devflow/session": "workspace:*",
+    "drizzle-orm": "0.45.2"
+  }
+}

packages/run-engine/src/index.ts

@@ -0,0 +1,2 @@
+export * from "./fake-phase-harness.js";
+export * from "./run-event-repository.js";

packages/run-engine/src/run-event-repository.ts

@@ -0,0 +1 @@
+export { RunEventRepository } from "@devflow/db";

packages/run-engine/tsconfig.build.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "composite": false,
+    "emitDeclarationOnly": true,
+    "noEmit": false
+  },
+  "references": [],
+  "exclude": ["src/**/*.test.ts"]
+}

packages/run-engine/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist",
+    "types": ["node", "vitest"]
+  },
+  "include": ["src/**/*.ts"],
+  "references": [{ "path": "../core" }, { "path": "../db" }, { "path": "../session" }]
+}