feat(vue): add @tryabby/vue integration

packages/vue/.gitignore

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+dist
+node_modules

packages/vue/README.md

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+# @tryabby/vue
+
+Vue 3 SDK for Abby. Consumes `@tryabby/core`.
+
+## Acceptance (GitHub issue #68)
+
+- Package lives in `packages/vue`
+- Package name is `@tryabby/vue`
+- Consumes `@tryabby/core`
+- TypeScript, same type quality as the React SDK
+- `useAbby` → current variant + `onAct`
+- `useFeatureFlag` → flag value
+- `useRemoteConfig` → remote config value
+- Tests for types and code
+
+## Usage
+
+```ts
+import { createAbby } from "@tryabby/vue";
+
+export const { useAbby, useFeatureFlag, useRemoteConfig, AbbyProvider, install } =
+  createAbby({
+    projectId: "…",
+    environments: ["production"],
+    currentEnvironment: "production",
+    tests: { homepage: { variants: ["A", "B"] } },
+    flags: ["newCheckout"],
+    remoteConfig: { heroCopy: "String" },
+  });
+```

packages/vue/package.json

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+{
+  "name": "@tryabby/vue",
+  "version": "1.0.0",
+  "description": "Vue 3 SDK for Abby feature flags, remote config and A/B tests",
+  "main": "dist/index.js",
+  "files": ["dist"],
+  "module": "dist/index.mjs",
+  "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.js"
+    }
+  },
+  "scripts": {
+    "build": "tsup src/index.ts",
+    "dev": "pnpm run build --watch",
+    "test": "vitest"
+  },
+  "homepage": "https://docs.tryabby.com",
+  "keywords": ["vue", "feature-flags", "ab-testing", "abby"],
+  "author": "",
+  "license": "ISC",
+  "peerDependencies": {
+    "vue": "^3.3.0"
+  },
+  "dependencies": {
+    "@tryabby/core": "workspace:*",
+    "js-cookie": "^3.0.1"
+  },
+  "devDependencies": {
+    "@testing-library/jest-dom": "^5.16.5",
+    "@types/js-cookie": "^3.0.3",
+    "@vue/test-utils": "^2.4.6",
+    "jsdom": "^20.0.3",
+    "msw": "^0.49.1",
+    "node-fetch": "^3.3.0",
+    "tsconfig": "workspace:*",
+    "tsup": "^6.5.0",
+    "typescript": "5.5.4",
+    "vite": "5.4.0",
+    "vitest": "2.0.5",
+    "vue": "^3.4.38"
+  }
+}

packages/vue/src/StorageService.ts

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+import {
+  type IStorageService,
+  type StorageServiceOptions,
+  getABStorageKey,
+  getFFStorageKey,
+  getRCStorageKey,
+} from "@tryabby/core";
+import Cookie from "js-cookie";
+
+const DEFAULT_COOKIE_AGE = 365;
+
+class ABStorageService implements IStorageService {
+  get(projectId: string, testName: string): string | null {
+    const retrievedValue = Cookie.get(getABStorageKey(projectId, testName));
+    if (!retrievedValue) return null;
+    return retrievedValue;
+  }
+
+  set(
+    projectId: string,
+    testName: string,
+    value: string,
+    options?: StorageServiceOptions
+  ): void {
+    Cookie.set(getABStorageKey(projectId, testName), value, {
+      expires: options?.expiresInDays
+        ? options.expiresInDays
+        : DEFAULT_COOKIE_AGE,
+    });
+  }
+
+  remove(projectId: string, testName: string): void {
+    Cookie.remove(getABStorageKey(projectId, testName));
+  }
+}
+
+class FFStorageService implements IStorageService {
+  get(projectId: string, flagName: string): string | null {
+    const retrievedValue = Cookie.get(getFFStorageKey(projectId, flagName));
+    if (!retrievedValue) return null;
+    return retrievedValue;
+  }
+
+  set(projectId: string, flagName: string, value: string): void {
+    Cookie.set(getFFStorageKey(projectId, flagName), value, {
+      expires: DEFAULT_COOKIE_AGE,
+    });
+  }
+
+  remove(projectId: string, flagName: string): void {
+    Cookie.remove(getFFStorageKey(projectId, flagName));
+  }
+}
+
+class RCStorageService implements IStorageService {
+  get(projectId: string, key: string): string | null {
+    const retrievedValue = Cookie.get(getRCStorageKey(projectId, key));
+    return retrievedValue ?? null;
+  }
+
+  set(projectId: string, key: string, value: string): void {
+    Cookie.set(getRCStorageKey(projectId, key), value, {
+      expires: DEFAULT_COOKIE_AGE,
+    });
+  }
+
+  remove(projectId: string, key: string): void {
+    Cookie.remove(getRCStorageKey(projectId, key));
+  }
+}
+
+export const TestStorageService = new ABStorageService();
+export const FlagStorageService = new FFStorageService();
+export const RemoteConfigStorageService = new RCStorageService();