chore: scaffold IdentityDB package tooling

package.json

@@ -0,0 +1,51 @@
+{
+  "name": "identitydb",
+  "version": "0.1.0",
+  "description": "TypeScript memory graph database wrapper for topics, facts, and AI-assisted ingestion.",
+  "license": "MIT",
+  "type": "module",
+  "main": "./dist/index.js",
+  "module": "./dist/index.js",
+  "types": "./dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
+  },
+  "files": [
+    "dist",
+    "README.md",
+    "LICENSE"
+  ],
+  "engines": {
+    "node": ">=20.0.0"
+  },
+  "scripts": {
+    "build": "tsup",
+    "check": "tsc --noEmit",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "clean": "rm -rf dist coverage"
+  },
+  "keywords": [
+    "memory",
+    "graph",
+    "database",
+    "typescript",
+    "ai"
+  ],
+  "dependencies": {
+    "better-sqlite3": "^12.1.1",
+    "kysely": "^0.28.8",
+    "mysql2": "^3.15.3",
+    "pg": "^8.16.0"
+  },
+  "devDependencies": {
+    "@types/better-sqlite3": "^7.6.13",
+    "@types/node": "^24.0.0",
+    "tsup": "^8.5.0",
+    "typescript": "^5.8.3",
+    "vitest": "^3.2.4"
+  }
+}