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docs(audience): add package and demo READMEs
Adds two READMEs: packages/audience/sdk/README.md Package-level usage doc. Install (npm + CDN), quick start example, public method list with short signatures, consent level behaviour table, auto-tracked event list, cookie reference, and a pointer to the demo. packages/audience/sdk/demo/README.md Demo harness usage doc. How to run (pnpm demo → serves localhost:3456), test publishable keys for dev + sandbox, a step-by-step 'what to try' script, environments table, troubleshooting for the common issues (bundle failing to load, 400/403 from the API, no BigQuery data), and a files layout section. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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‎packages/audience/sdk/README.md‎

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# @imtbl/audience
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Consent-aware event tracking and identity resolution for Immutable studios.
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> **Pre-release.** This package is at version `0.0.0`. The API is stabilizing but breaking changes may still land before the first npm publish.
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## Install
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```sh
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npm install @imtbl/audience
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# or
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pnpm add @imtbl/audience
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# or
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yarn add @imtbl/audience
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```
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Once published to npm, you'll be able to load the package via CDN (no bundler required):
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```html
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<!-- Replace <version> with a specific release tag once @imtbl/audience is published. -->
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<script src="https://cdn.jsdelivr.net/npm/@imtbl/audience@<version>/dist/cdn/imtbl-audience.global.js"></script>
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<script>
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const audience = ImmutableAudience.Audience.init({
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publishableKey: 'pk_imapik-...',
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environment: 'sandbox',
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consent: 'anonymous',
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});
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</script>
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```
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Until the first npm release, you can build the CDN bundle locally from this repo: `cd packages/audience/sdk && pnpm build`. The output is at `dist/cdn/imtbl-audience.global.js`. See `demo/README.md` for the interactive demo that loads it.
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## Quickstart
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```ts
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import { Audience, IdentityType } from '@imtbl/audience';
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const audience = Audience.init({
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publishableKey: 'pk_imapik-...',
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environment: 'sandbox',
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consent: 'anonymous', // or 'none' until the user opts in
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debug: true,
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onError: (err) => {
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console.error('[audience]', err.code, err.status, err.responseBody);
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},
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});
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// Track a page view
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audience.page({ section: 'marketplace' });
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// Track a custom event
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audience.track('purchase_completed', { sku: 'pack-1', usd: 9.99 });
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// Upgrade consent and identify the user
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audience.setConsent('full');
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audience.identify('player-7721', IdentityType.Passport, { plan: 'premium' });
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// Link a previous identity
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audience.alias(
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{ id: '76561198012345', identityType: IdentityType.Steam },
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{ id: 'player-7721', identityType: IdentityType.Passport },
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);
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// On logout
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audience.reset();
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// On app unmount
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audience.shutdown();
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```
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## API
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### `Audience.init(config): Audience`
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Creates and starts the SDK. `config` is an `AudienceConfig`:
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| Field | Type | Required | Description |
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|---|---|---|---|
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| `publishableKey` | `string` | yes | Publishable API key from Immutable Hub (prefix: `pk_imapik-`). |
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| `environment` | `'dev' \| 'sandbox' \| 'production'` | yes | Backend to target. |
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| `consent` | `'none' \| 'anonymous' \| 'full'` | no | Initial consent level. Defaults to `'none'`. |
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| `debug` | `boolean` | no | Log every SDK call and flush to the browser console. |
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| `cookieDomain` | `string` | no | Cookie domain for cross-subdomain sharing (e.g. `.studio.com`). |
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| `flushInterval` | `number` | no | Queue flush interval in ms. Defaults to `5000`. |
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| `flushSize` | `number` | no | Batch size that triggers an automatic flush. Defaults to `20`. |
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| `onError` | `(err: AudienceError) => void` | no | Called when a flush or consent sync fails. |
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### Methods
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- **`page(properties?)`** — record a page view. Call on every route change.
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- **`track(eventName, properties?)`** — record a custom event.
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- **`identify(id, identityType, traits?)`** — tell the SDK who this player is. Requires `full` consent.
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- **`identify(traits)`** — traits-only overload for anonymous profile updates.
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- **`alias({id, identityType}, {id, identityType})`** — link two identities that belong to the same player.
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- **`setConsent(status)`** — update the consent level in response to a banner.
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- **`reset()`** — call on logout; rotates the anonymous ID and clears state.
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- **`flush()`** — force-send queued events.
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- **`shutdown()`** — stop the SDK and drain the queue.
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## Identity types
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The `identityType` argument to `identify()` and `alias()` must be one of:
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| Value | Description |
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|---|---|
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| `passport` | Immutable Passport ID |
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| `steam` | Steam ID (64-bit) |
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| `epic` | Epic Games account ID |
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| `google` | Google account ID |
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| `apple` | Apple ID |
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| `discord` | Discord user ID |
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| `email` | Email address |
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| `custom` | Studio-defined custom ID |
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Import the `IdentityType` enum to reference these at runtime:
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```ts
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import { IdentityType } from '@imtbl/audience';
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IdentityType.Passport; // 'passport'
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```
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## Error handling
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`AudienceConfig.onError` receives an `AudienceError` with these fields:
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```ts
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class AudienceError extends Error {
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readonly code: 'FLUSH_FAILED' | 'CONSENT_SYNC_FAILED' | 'NETWORK_ERROR' | 'VALIDATION_REJECTED';
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readonly status: number; // HTTP status, 0 for network failure
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readonly endpoint: string; // full URL that failed
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readonly responseBody?: unknown; // parsed JSON body from the backend
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readonly cause?: unknown; // original fetch error on network failure
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}
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```
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Errors are delivered asynchronously (after the failing flush completes). Throwing from `onError` is safe — the SDK catches and suppresses callback exceptions.
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## Demo
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There's an interactive demo under `demo/` that exercises every public method against the real backend. See `demo/README.md` for instructions.
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## License
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Apache-2.0

‎packages/audience/sdk/demo/README.md‎

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# @imtbl/audience — Demo
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Single-page interactive harness that exercises every public method on the `Audience` class against the real Immutable backend.
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## Run
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```sh
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cd packages/audience/sdk
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pnpm demo
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```
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This runs `pnpm build` (ESM + CDN bundle + types) then serves the package root on `http://localhost:3456`. Open:
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```
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http://localhost:3456/demo/
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```
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Stop the server with `Ctrl+C`.
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## Test publishable keys
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These are test-only keys registered for audience tracking. Safe to commit and share.
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| Environment | Key |
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|---|---|
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| `dev` | `pk_imapik-test-Xei06NzJZClzQogVXlKQ` |
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| `sandbox` | `pk_imapik-test-5ss4GpFy-n@$$Ye3LSox` |
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## What to try
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1. Paste a key, pick `sandbox`, set initial consent to `anonymous`, click **Init**.
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2. Watch the event log: you'll see `INIT`, `TRACK session_start`, and `FLUSH ok`. Check the browser DevTools Network tab — `POST /v1/audience/messages` should return 200.
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3. Click **Call page()** with no properties → `PAGE` entry + 200 response.
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4. Enter `{"section":"marketplace"}` in the page properties textarea → `PAGE {section: marketplace}`.
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5. Track a custom event with properties → `TRACK`.
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6. Set consent to `full` → `PUT /v1/audience/tracking-consent` returns 204.
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7. Identify a user (any made-up ID, type `passport`, optional traits) → status bar's User ID updates.
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8. Try Alias with a Steam ID → Passport ID → `ALIAS` entry.
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9. Click **Reset** → anonymous ID rotates, session end + start fire.
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10. Click **Shutdown** → session end fires, buttons flip off.
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## Environments
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| Env | API URL | Consent PUT |
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|---|---|---|
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| `dev` | `api.dev.immutable.com` | **known broken — returns 500.** Use `sandbox` to exercise consent sync. |
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| `sandbox` | `api.sandbox.immutable.com` | works |
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## Troubleshooting
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- **`window.ImmutableAudience is undefined`** in the demo page: the CDN bundle failed to load. Re-run `pnpm build` from `packages/audience/sdk` and confirm `dist/cdn/imtbl-audience.global.js` exists.
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- **`POST /v1/audience/messages` returns 400**: the publishable key format is wrong. Must start with `pk_imapik-`.
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- **`POST /v1/audience/messages` returns 403**: the key isn't registered for audience tracking on the backend. Use one of the keys in the table above.
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- **Identify button is a no-op**: consent is not `full`. Click **Set full** first.
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- **No events in BigQuery after 30s**: events go through SQS → Pub/Sub → BigQuery. BQ access requires `roles/bigquery.dataViewer` on `dev-im-cdp`. If you don't have it, the API ack (`POST /messages` 200) is your E2E confirmation.
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## Files
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```
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demo/
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index.html # single page, loads ../dist/cdn/imtbl-audience.global.js
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demo.js # vanilla ES2020, no modules; reads window.ImmutableAudience
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demo.css # light theme, hand-written CSS, no external deps
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README.md # this file
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```
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Security: all user-controlled inputs (event names, traits, publishable keys) are rendered via `textContent` / `createElement`. No `innerHTML` anywhere on user data. CSP meta tag restricts `connect-src` to the dev and sandbox API origins.

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