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The SDK belongs to the Ch∆In product, not the F∆I vendor namespace (a future Brain client SDK would otherwise collide). Rename the Dart package, entry library, test + example files. Also drop a private project name from a doc comment. dart analyze: clean. Dependents must update their dependency name + package: imports. Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
63 lines
2.2 KiB
Markdown
63 lines
2.2 KiB
Markdown
# chain_client_sdk (Dart)
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gRPC client SDK for the Ch∆In hub. Used by F∆I Studio
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(Tier-2 generic GUI) and any Tier-3 Dart/Flutter domain app
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that wants to talk to a running `fai serve`.
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One of the three SDK families documented in
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`fai/platform/docs/architecture/sdks.md`:
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* `fai-module-sdk` (Rust) — flow modules
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* `fai-plugin-sdk` (Rust) — Studio plugins
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* `chain_client_sdk` (Dart) — clients ← this package
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Dir / repo carries the `_dart` / `-dart` language suffix
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(`chain_client_sdk_dart` / `client-sdk-dart`); the Dart package
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name itself does not (Dart-land doesn't need the suffix).
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> **Status (2026-05-05):** scaffold. Public surface (`HubClient`,
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> `HubEndpoint`) is committed; generated proto bindings land in
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> a follow-up commit once the codegen step is wired in. Until
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> then, downstream apps can compile against the stub and Studio
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> uses mock data.
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## Why a separate SDK package
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The platform hub speaks gRPC. Each Dart consumer (Studio plus
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each Tier-3 domain app) would otherwise re-generate proto
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bindings independently and write near-identical client
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boilerplate. This package centralises that work:
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- One source of generated proto bindings.
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- One typed `HubClient` wrapper with helpers.
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- One place to bump when the wire protocol evolves.
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## Layout
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```
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chain_client_sdk_dart/
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├── lib/
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│ ├── chain_client_sdk.dart # Public API
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│ └── src/
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│ ├── hub_client.dart # Typed client wrapper
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│ ├── channel_factory_io.dart # Native ClientChannel (HTTP/2)
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│ ├── channel_factory_web.dart # GrpcWebClientChannel.xhr (HTTP/1.1)
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│ └── generated/ # protoc output (committed; pinned to platform tag)
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├── tools/
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│ └── generate.sh # Wraps `protoc --dart_out=...` against ../fai_platform/proto
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├── example/
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└── pubspec.yaml
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```
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## Repo placement
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Published as `fai/client-sdk-dart` on Forgejo
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(`git.flemming.ai`).
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## Versioning
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Tracks the platform's wire-protocol version, not the platform
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binary version. As long as `fai:platform@1.x` is current, this
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SDK stays at `0.x` (will move to `1.0` once API stabilises);
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when `fai:platform@2.0` lands, a `2.x` SDK ships in parallel
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during the transition.
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