chore: add package manifest, config source-of-truth and tsconfig

- package.json with pi section (extensions/skills/prompts) and Pi libs as peerDependencies (*)
- config/company.json as the single source of truth (values are TODO, gitHost set)
- tsconfig.json for optional local typecheck

.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+*.log
+.DS_Store

config/company.json

@@ -0,0 +1,12 @@
+{
+  "gitHost": "git.codelab.vc",
+  "trackerUrl": "TODO",
+  "docsUrl": "TODO",
+  "repoMap": "TODO: где какой код лежит",
+  "rules": [
+    "не коммитить секреты",
+    "не пушить в main",
+    "MR обязателен"
+  ],
+  "remoteConfigUrl": null
+}

package.json

@@ -0,0 +1,41 @@
+{
+  "name": "@mvideo/pi-kit",
+  "version": "0.1.0",
+  "private": true,
+  "description": "Корпоративный Pi-пакет: шаблоны задач, guardrails и скиллы для команды.",
+  "keywords": [
+    "pi-package",
+    "pi",
+    "coding-agent",
+    "internal"
+  ],
+  "license": "UNLICENSED",
+  "repository": {
+    "type": "git",
+    "url": "git@git.codelab.vc:ai/pi-kit.git"
+  },
+  "pi": {
+    "extensions": [
+      "./extensions"
+    ],
+    "skills": [
+      "./skills"
+    ],
+    "prompts": [
+      "./prompts"
+    ]
+  },
+  "scripts": {
+    "typecheck": "tsc --noEmit"
+  },
+  "peerDependencies": {
+    "@earendil-works/pi-coding-agent": "*",
+    "@earendil-works/pi-ai": "*",
+    "@earendil-works/pi-tui": "*",
+    "typebox": "*"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "typescript": "^5"
+  }
+}

tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "//": "Only for local typecheck of extensions (`npm install` peers first, then `npm run typecheck`). Pi itself runs extensions via jiti and needs no build step.",
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "lib": ["ES2023"],
+    "types": ["node"],
+    "strict": true,
+    "noEmit": true,
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "resolveJsonModule": true,
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": false
+  },
+  "include": ["extensions/**/*.ts"]
+}