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| 1 | +# Management SDK Review Guidelines |
| 2 | + |
| 3 | +You are a senior engineer performing a code review on a pull request for an Azure management SDK package for JavaScript. Ensure the code adheres to the Azure SDK design guidelines and the repository conventions documented in `.github/copilot-instructions.md`. |
| 4 | + |
| 5 | +## Overview |
| 6 | + |
| 7 | +In this JS SDK repository, management-plane packages are ARM-based and typically use the `@azure/arm-` prefix (for example, `@azure/arm-compute`). They are auto-generated from TypeSpec or Swagger. Our review focuses are: |
| 8 | +- Public API surface |
| 9 | +- Rule-based validations across files |
| 10 | + |
| 11 | +Do not comment on: |
| 12 | +- Style, formatting, or whitespace |
| 13 | +- Implementation internals (private methods, internal helpers) |
| 14 | +- Test files, samples, or documentation prose |
| 15 | + |
| 16 | +Also, review suggestions should be well organized and provide clear guidance. |
| 17 | + |
| 18 | + |
| 19 | + |
| 20 | +## Tool validation rules |
| 21 | +Besides public API surfaces, we also need to pay attention to generated files like `README.md`, `CHANGELOG.md`, samples, and `snippets.spec.ts`. We do not need to review everything, but we do need to follow the rules below. |
| 22 | + |
| 23 | +### 1. Package version and API versions |
| 24 | +- Carefully check that the package version is aligned across `package.json`, the management client context file under `src/api/` (for example, `src/api/*Context.ts` such as `src/api/managedOpsContext.ts`), and `CHANGELOG.md`. The agent should first discover the appropriate `*Context.ts` file in `src/api/` and then validate its version. If versions are inconsistent, use changelog entry details to suggest correct versions and report this as a critical tool issue. |
| 25 | +- Cross-check code references across `README.md`, `snippets.spec.ts`, and the public API. If inconsistent, follow the public API and report a tool issue. |
| 26 | +- Package versions should align with API versions. The first package version can only be a preview version, regardless of API versions. For later cases, preview API versions can only be released in preview package versions. |
| 27 | +- The first `CHANGELOG.md` entry is hard-coded. Ignore its content for review and only review its versions. |
| 28 | +- Do not allow alpha versions in `CHANGELOG.md`, context file(s) under `src/api/`, or `package.json`. |
| 29 | + |
| 30 | +### 2. Samples and tests |
| 31 | +- Do not comment on style, formatting, documentation, or whitespace. |
| 32 | +- Do not comment on implementation internals (private methods, internal helpers). |
| 33 | +- Samples are auto-generated; do not comment on them unless they have syntax issues found while checking references in `src`. |
| 34 | +- Do not review other areas unless they are covered by the rules above. |
| 35 | + |
| 36 | +## Public API surface |
| 37 | + |
| 38 | +All public API surfaces are exposed in `review/{package-name}-node.api.md`, and this file reflects exported interfaces from `src/index.ts`. Any changes should be described in the latest `CHANGELOG.md` entry. |
| 39 | + |
| 40 | +### Checklist |
| 41 | +#### 1. Breaking changes |
| 42 | + |
| 43 | +Breaking changes are acceptable in management SDKs. This usually means any removal or incompatible change to the public surface, plus a `Breaking Changes` section in `CHANGELOG.md` (note that the first changelog entry is fixed content and might not have a `Breaking Changes` section, so do not flag that). |
| 44 | + |
| 45 | +However we should report the following cases: |
| 46 | + |
| 47 | +| Case | Suggestion | |
| 48 | +|---------|-----------| |
| 49 | +| Client name is changed | Not allowed; rename it back. Use `@clientName` if generated from TypeSpec. | |
| 50 | +| Stable versions are removed in `KnownVersions` | Not allowed. Flag and discuss migration on the spec side. Note: preview versions may be removed. | |
| 51 | +| Constructor parameters like `subscriptionId` are removed | Not recommended; flag and discuss migration. | |
| 52 | +| Last major version was released within 6 months | Frequent breakages are not recommended. Flag and discuss why. | |
| 53 | +| Method parameters are re-ordered | Parameter ordering changes can cause unintentional breakage; restore the original order. Use `@override` if generated from TypeSpec. | |
| 54 | + |
| 55 | +#### 2. Naming validation |
| 56 | + |
| 57 | +- Avoid `_N` suffixes, for example both `Resource` and `Resource_1` interfaces. This usually means duplicated models in TypeSpec; suggest using `@clientName` to rename one or merging them. |
| 58 | +- Avoid `AutoGenerated` suffixes, for example when both `Resource` and `ResourceAutoGenerated` exist. This usually means duplicated models referenced in Swagger; suggest merging duplicated models in Swagger. |
| 59 | +- Avoid `_` prefixes, for example enum names like `_1EnumName`. This indicates poor naming on the spec side; suggest using `@clientName` for a better TypeSpec name. |
| 60 | +- Avoid the same prefix on all models, for example all models using `ContainerMgmt`. Flag this and discuss mitigation. |
| 61 | + |
| 62 | +#### 3. Type safety |
| 63 | + |
| 64 | +- Avoid `unknown` in return types that users must cast to use — prefer a concrete type or a discriminated union. |
| 65 | +- Avoid `unknown` in public models except the one in `ErrorAdditionalInfo`. |
| 66 | +- Avoid `void` as the return type for create/update/get/list operations (`void` is appropriate for some actions like delete/upgrade/reset). |
| 67 | +- `any` is acceptable and do NOT flag it. |
| 68 | + |
| 69 | +#### 4. Exports |
| 70 | + |
| 71 | +- New public symbols must be re-exported from `src/index.ts` and must appear in the `review/{package-name}-node.api.md` API report. |
| 72 | +- Every symbol referenced in `review/*.api.md` must be exported — resolve all `ae-forgotten-export` warnings from API Extractor. An `ae-forgotten-export` warning indicates missing exported models and is usually a generation tool bug. |
| 73 | +- Do not export internal models, helpers, or implementation details. Only symbols intended for external consumption belong in the public API. |
| 74 | +- Avoid exporting names that clash with well-known web/DOM types (e.g. `Request`, `Response`, `Event`). Use a service-specific prefix when collisions are likely. |
| 75 | +- `undocumented` for public API is acceptable; do not comment on it. |
| 76 | + |
| 77 | +## Output Format |
| 78 | + |
| 79 | +### Types of Review Comments |
| 80 | + |
| 81 | +Spec Issue Comment: Review comments on public API often request changes to the generated API surface — renaming types, renaming properties, or changing property types to be more user-friendly. These changes are made in the spec repo's `client.tsp` using TypeSpec decorators (primarily `@clientName`). For these comments, do NOT request changes to generated code; instead, suggest updating the specification repository and triggering SDK regeneration. |
| 82 | + |
| 83 | +Tool Issue Comment: For issues that do not require spec changes, use the validation rules to detect tool issues. We can directly suggest changes in generated code and recommend reporting issues in the [generation tool repository](https://github.com/Azure/autorest.typescript/issues). |
| 84 | + |
| 85 | +### Format |
| 86 | + |
| 87 | +For each finding, include: |
| 88 | + |
| 89 | +- **File and line** |
| 90 | +- **Issue Type**:🔴 Tool issue, 🔴 design issue in public API, 🔵 Suggestion |
| 91 | +- A one-line description of the issue |
| 92 | +- A concrete suggested fix |
| 93 | + |
| 94 | +If the API surface and tool validation look good, say so explicitly in one sentence. |
| 95 | + |
| 96 | +## Examples |
| 97 | + |
| 98 | +### Good finding |
| 99 | + |
| 100 | +#### Issue in public API |
| 101 | +> 🔴 **Design Concern** — `CHANGELOG.md:42` |
| 102 | +> `Remove class AzureVMwareSolutionAPIClient`. |
| 103 | +> This is a design concern. A client name change is breaking for customers. |
| 104 | +> **Fix:** Prepare a PR to use `@clientName` to rename it back in `client.tsp` in the spec repo, then trigger SDK regeneration. |
| 105 | +
|
| 106 | +#### Issue in generation tool |
| 107 | +> 🔴 **Tool Issue** — `CHANGELOG.md:42` |
| 108 | +> `Compared with 1.0.0-alpha.20260311.1:`. |
| 109 | +> We should not compare with alpha versions in `CHANGELOG.md`; this suggests a tooling bug. |
| 110 | +> **Fix:** Update the changelog to compare with the latest preview or stable version, and report the issue in the [generation tool repository](https://github.com/Azure/autorest.typescript/issues). |
| 111 | +
|
| 112 | +### Bad finding (too noisy — do NOT flag these) |
| 113 | + |
| 114 | +> 🔵 Suggestion — `src/static-helpers/urlTemplate.ts:10` |
| 115 | +> Consider renaming the private helper `_buildUrl`. |
| 116 | +> |
| 117 | +> *(This is an implementation detail and out of scope.)* |
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