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--- |
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name: sdk-branding |
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description: Onde Inference SDK branding rules. Covers copyright headers for every language, brand identity (logo, colors, badges), README structure, and file classification (generated vs hand-written). Apply when creating or editing any SDK source file, README, or documentation. |
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allowed-tools: Read, Write, Edit, Glob, Grep |
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user-invocable: false |
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--- |
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# SDK Branding |
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Branding rules for the Onde Inference SDK. These apply across all languages and all SDK surfaces: source files, READMEs, package metadata, and CI output. |
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--- |
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## Copyright Header |
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Every hand-written source file starts with this three-line block. No blank line before it. One blank line after it (before the first import or code). |
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### Format |
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``` |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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``` |
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Use `//` comment syntax for all languages that support it: Dart, Swift, Kotlin, Rust, C, C++. |
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### Language reference |
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**Dart** |
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```dart |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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import 'dart:async'; |
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``` |
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**Swift** |
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```swift |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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import Foundation |
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``` |
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**Kotlin** |
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```kotlin |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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package com.ondeinference |
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``` |
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**Rust** |
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```rust |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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use std::sync::Arc; |
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``` |
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**C / C++** |
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```cpp |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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#include <flutter/plugin_registrar.h> |
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``` |
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### Existing file-level comments |
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If the file already has a descriptive comment block below the copyright position (e.g. `// OndeInferencePlugin.swift\n// Native iOS plugin...`), prepend the copyright header above it — do not replace it. |
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```swift |
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// Copyright 2026 Onde Inference (Splitfire AB). All rights reserved. |
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// Use of this source code is governed by the MIT license. |
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// |
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// OndeInferencePlugin.swift |
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// |
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// Native iOS plugin for onde_inference. |
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// |
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``` |
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--- |
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## File Classification |
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Apply the header only to hand-written files. Never add it to generated files. |
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### Always add the header |
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| File | Notes | |
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|---|---| |
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| `lib/src/engine.dart` | Core SDK logic | |
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| `lib/src/types.dart` | SDK types | |
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| `lib/onde_inference.dart` | Public barrel file | |
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| `test/dart_test.dart` | Hand-written unit tests | |
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| `example/lib/main.dart` | Example app entry point | |
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| `ios/Classes/OndeInferencePlugin.swift` | iOS plugin | |
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| `macos/Classes/OndeInferencePlugin.swift` | macOS plugin | |
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| `android/src/main/kotlin/**/*.kt` | Android plugin | |
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| `windows/**/*.cpp` | Windows plugin | |
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| `linux/**/*.cc` / `linux/**/*.h` | Linux plugin | |
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| `src/**/*.rs` | Rust crate source | |
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### Never add the header — generated files |
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These files are written by a tool on every codegen run. Adding a header would be overwritten or cause diffs noise. |
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| File / Pattern | Generator | |
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|---|---| |
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| `lib/src/frb_generated.dart/**` | `flutter_rust_bridge_codegen` | |
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| `**/*.freezed.dart` | `build_runner` + `freezed` | |
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| `**/*.g.dart` | `build_runner` | |
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| `example/*/Flutter/GeneratedPluginRegistrant.*` | `flutter pub get` | |
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| `generated/**` (repo root) | `uniffi-bindgen` | |
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| `onde.swift` in `onde-swift` | `uniffi-bindgen` | |
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### Never add the header — platform scaffold |
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These files are produced by `flutter create` or Xcode project templates. They are committed to git but were not hand-written by the team. |
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| Pattern | Tool | |
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|---|---| |
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| `example/ios/Runner/AppDelegate.swift` | `flutter create` | |
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| `example/ios/Runner/SceneDelegate.swift` | `flutter create` | |
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| `example/ios/RunnerTests/RunnerTests.swift` | `flutter create` | |
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| `example/macos/Runner/AppDelegate.swift` | `flutter create` | |
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| `example/macos/Runner/MainFlutterWindow.swift` | `flutter create` | |
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| `example/macos/RunnerTests/RunnerTests.swift` | `flutter create` | |
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| `example/test/widget_test.dart` | `flutter create` | |
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**Rule of thumb:** if the first meaningful line of a file is a Flutter or Xcode framework import with no project-specific logic, it is scaffold — skip it. |
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--- |
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## Brand Identity |
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### Logo |
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Always reference the logo via the raw GitHub URL so it renders on pub.dev, crates.io, and any mirror. |
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``` |
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https://raw.githubusercontent.com/ondeinference/onde/main/assets/onde-inference-logo.svg |
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``` |
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Width: `96` for top-level READMEs. Use `72` for secondary pages (example apps, sub-package docs). |
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### Colors |
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| Role | Hex | |
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|---|---| |
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| Brand green (foreground, badge color) | `#235843` | |
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| Dark background (badge `labelColor`) | `#17211D` | |
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### Badge row |
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Badge policy depends on the README type. |
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**Root README (`onde/README.md`)** |
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Use the full ecosystem badge wall here. This is the hub page for the whole SDK family. |
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```html |
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<a href="https://crates.io/crates/onde"><img src="https://img.shields.io/crates/v/onde?style=flat-square&color=235843&labelColor=17211D&label=crates.io" alt="crates.io"></a> |
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<a href="https://central.sonatype.com/artifact/com.ondeinference/onde-inference"><img src="https://img.shields.io/maven-central/v/com.ondeinference/onde-inference?style=flat-square&color=235843&labelColor=17211D&label=maven" alt="Maven Central"></a> |
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<a href="https://swiftpackageindex.com/ondeinference/onde-swift"><img src="https://img.shields.io/badge/Swift%20Package%20Index-onde--swift-235843?style=flat-square&labelColor=17211D" alt="Swift Package Index"></a> |
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<a href="https://pub.dev/packages/onde_inference"><img src="https://img.shields.io/pub/v/onde_inference?style=flat-square&color=235843&labelColor=17211D&label=pub.dev" alt="pub.dev"></a> |
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<a href="https://www.npmjs.com/package/@ondeinference/react-native"><img src="https://img.shields.io/npm/v/@ondeinference/react-native?style=flat-square&color=235843&labelColor=17211D&label=npm" alt="npm"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://apps.apple.com/se/developer/splitfire-ab/id1831430993"><img src="https://img.shields.io/badge/App%20Store-live-235843?style=flat-square&labelColor=17211D" alt="App Store"></a> |
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``` |
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**SDK README** |
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Use one primary registry badge for that SDK, plus `Website` and `License`. Do not repeat the full ecosystem badge wall on every SDK page. |
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**Flutter / Dart SDK:** |
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```html |
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<a href="https://pub.dev/packages/onde_inference"><img src="https://img.shields.io/pub/v/onde_inference?style=flat-square&color=235843&labelColor=17211D&label=pub.dev" alt="pub.dev"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://github.com/ondeinference/onde/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT%20OR%20Apache--2.0-235843?style=flat-square&labelColor=17211D" alt="License"></a> |
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``` |
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**Rust SDK:** |
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```html |
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<a href="https://crates.io/crates/onde"><img src="https://img.shields.io/crates/v/onde?style=flat-square&color=235843&labelColor=17211D&label=crates.io" alt="crates.io"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://github.com/ondeinference/onde/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT%20OR%20Apache--2.0-235843?style=flat-square&labelColor=17211D" alt="License"></a> |
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``` |
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**Kotlin Multiplatform SDK:** |
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```html |
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<a href="https://central.sonatype.com/artifact/com.ondeinference/onde-inference"><img src="https://img.shields.io/maven-central/v/com.ondeinference/onde-inference?style=flat-square&color=235843&labelColor=17211D&label=maven" alt="Maven Central"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://github.com/ondeinference/onde/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT%20OR%20Apache--2.0-235843?style=flat-square&labelColor=17211D" alt="License"></a> |
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``` |
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**React Native SDK:** |
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```html |
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<a href="https://www.npmjs.com/package/@ondeinference/react-native"><img src="https://img.shields.io/npm/v/@ondeinference/react-native?style=flat-square&color=235843&labelColor=17211D&label=npm" alt="npm"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://github.com/ondeinference/onde/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT%20OR%20Apache--2.0-235843?style=flat-square&labelColor=17211D" alt="License"></a> |
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``` |
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**Swift SDK:** |
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```html |
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<a href="https://swiftpackageindex.com/ondeinference/onde-swift"><img src="https://img.shields.io/badge/Swift%20Package%20Index-onde--swift-235843?style=flat-square&labelColor=17211D" alt="Swift Package Index"></a> |
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<a href="https://ondeinference.com"><img src="https://img.shields.io/badge/ondeinference.com-235843?style=flat-square&labelColor=17211D" alt="Website"></a> |
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<a href="https://github.com/ondeinference/onde/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT%20OR%20Apache--2.0-235843?style=flat-square&labelColor=17211D" alt="License"></a> |
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``` |
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### Cross-SDK nav row |
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Every SDK README should include a centered text-link row under the badges. These sibling links matter for discovery, branding, and cross-SDK navigation. |
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Use this pattern and adjust the current page's own SDK label if needed: |
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```html |
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<p align="center"> |
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<a href="https://github.com/ondeinference/onde">Rust SDK</a> · <a href="https://github.com/ondeinference/onde-swift">Swift SDK</a> · <a href="https://central.sonatype.com/artifact/com.ondeinference/onde-inference">Kotlin Multiplatform SDK</a> · <a href="https://pub.dev/packages/onde_inference">Flutter SDK</a> · <a href="https://www.npmjs.com/package/@ondeinference/react-native">React Native SDK</a> · <a href="https://ondeinference.com">Website</a> |
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</p> |
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``` |
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### Footer |
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Every README ends with this line, inside a centered `<p>`: |
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```html |
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<p align="center"> |
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<sub>© 2026 <a href="https://ondeinference.com">Onde Inference</a> — MIT License</sub> |
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</p> |
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``` |
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Use `— MIT License` on sub-pages (example apps, package-level docs). Omit it on the top-level repo README (it has its own license section). |
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--- |
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## README Structure |
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### Top-level SDK README (e.g. `sdk/dart/README.md`) |
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1. Centered logo block |
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2. Centered `<h1>` with SDK name |
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3. Centered tagline (`<p><strong>...</strong></p>`) |
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4. Centered badge row with the SDK's primary registry badge, `Website`, and `License` |
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5. Centered cross-SDK nav links (`Rust SDK · Swift SDK · Kotlin Multiplatform SDK · Flutter SDK · React Native SDK · Website`) |
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6. `---` divider |
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7. A direct intro paragraph that explains what runs where and what the user gets |
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8. `## Platform support` — table: Platform | GPU backend | Default model | Notes |
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9. `## Quick start` — install snippet, initialization, then usage sections |
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10. `## Model selection` — table + code examples when relevant |
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11. `## Sampling` — presets table + code when relevant |
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12. `## Error handling` when relevant |
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13. `## Contributing` |
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14. `## License` |
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15. Footer |
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### Example app README |
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1. Centered logo block (width `96`) |
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2. Centered `<h1>` with `Example App` in the title |
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3. Centered one-line description (bold) + second line: `No server. No API key. No data leaving the device.` |
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4. Centered badge row for the parent SDK or example context |
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5. `---` divider |
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6. `## What this example shows` — feature table mapping feature → file/function |
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7. `## Running the example` — Prerequisites, Steps, Platform notes table |
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8. `## SDK quick reference` — minimal happy-path snippet (load → stream → unload) |
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9. `## Project structure` — directory tree |
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10. `## Learn more` — links to the package page, ondeinference.com, and GitHub |
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11. Footer |
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### Taglines |
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Use these as the default direction, but keep them natural if the page needs slightly different wording. Avoid stiff marketing language and avoid em dashes in prose. |
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| Context | Tagline | |
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|---|---| |
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| Rust crate | `Run LLMs on-device, with first-class support for Apple silicon.` | |
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| Flutter SDK | `Run LLMs on-device from Flutter and Dart. Metal on iOS and macOS, CPU everywhere else.` | |
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| Kotlin SDK | `Run LLMs on-device from Kotlin. No cloud, no API key, and no user data leaving the device.` | |
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| React Native SDK | `Run LLMs on-device from React Native. Metal on iOS, CPU on Android, and no user data leaving the device.` | |
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| Swift SDK | `Run LLMs on-device from Swift, with first-class support for Apple silicon.` | |
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| Example app | `A Flutter chat app that runs LLM inference fully on-device.` | |
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--- |
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## Package Metadata Branding |
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### `pubspec.yaml` |
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```yaml |
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description: >- |
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On-device LLM inference for Flutter & Dart. Run Qwen 2.5 models locally |
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with Metal on iOS and macOS, CPU on Android and desktop. No cloud, no API key. |
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repository: https://github.com/ondeinference/onde/ |
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homepage: https://ondeinference.com |
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issue_tracker: https://github.com/ondeinference/onde/issues |
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``` |
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### `Cargo.toml` |
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```toml |
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description = "On-device inference engine for Apple silicon." |
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license = "MIT" |
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repository = "https://github.com/ondeinference/onde" |
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homepage = "https://ondeinference.com" |
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documentation = "https://docs.rs/onde" |
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keywords = ["inference", "on-device", "chat", "llm", "mistral"] |
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categories = ["science::ml", "api-bindings"] |
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``` |
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--- |
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## Version Synchronisation |
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The version in `Cargo.toml` and `sdk/dart/pubspec.yaml` must always be identical. When bumping a version, update both files in the same commit. The CI workflows for Swift and Dart both validate that the git tag equals the version in their respective metadata file — a mismatch fails fast. |
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``` |
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Cargo.toml version = "X.Y.Z" |
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sdk/dart/pubspec.yaml version: X.Y.Z |
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git tag X.Y.Z |
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``` |
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--- |
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## Applying the Copyright Header to an Existing Codebase |
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|
|
329
|
When asked to add copyright headers to a set of files: |
|
330
|
|
|
331
|
1. Run `find` or `Glob` to list all `.dart`, `.swift`, `.kt`, `.rs`, `.cpp`, `.cc`, `.h` files under the SDK path. |
|
332
|
2. For each file, read its first line. |
|
333
|
3. Skip if the first line already starts with `// Copyright`. |
|
334
|
4. Skip if the first line contains `Generated` or `Do not edit`. |
|
335
|
5. Skip if the file path matches any generated or scaffold pattern above. |
|
336
|
6. Prepend the three-line header followed by a blank line. |
|
337
|
7. If the file begins with an existing file-description comment block, insert the header above that block. |
|
338
|
|
|
339
|
Do all qualifying files in one pass. Do not ask for confirmation per file. |