chore(deps-dev): bump @typespec/compiler from 1.15.0 to 1.16.0

[dependabot]

Bumps @typespec/compiler from 1.15.0 to 1.16.0.

Release notes

Sourced from @​typespec/compiler's releases.

typespec-stable@1.16.0

@​typespec/compiler

Features

• #11777 Add sanitizePathSegment helper to make a value coming from a TypeSpec spec safe to use as a single path segment. Path separators, drive letter separators and values only made of . are replaced with _.

  sanitizePathSegment("2021-10-01-preview"); // "2021-10-01-preview"
  sanitizePathSegment("../../etc/passwd"); // ".._.._etc_passwd"

• #11851 Add support for defining a linter ruleset in a standalone yaml file and referencing it with the file: prefix in linter.extends. This lets a repository share and version a set of linter rules without depending on a library release.

  # tspconfig.yaml
  linter:
    extends:
      - "file:../common-rules.yaml"

  # common-rules.yaml
  extends:
    - "@typespec/best-practices/recommended"
  enable:
    "@typespec/best-practices/new-rule": true
  disable:
    "@typespec/best-practices/foo": "This rule is too strict for this repository"

• #11489 Add a new experimental $provideTypeInfo library provider and program.getTypeInfo(type) API allowing libraries to contribute extra, domain-specific information about types. Unlike the $onValidate lifecycle hook, a provider never runs during compilation and must not mutate the type graph — it is invoked lazily and on demand (e.g. by the language server for hover documentation, or by tooling querying the type).

  Providers are gated by the type-info-provider compiler feature, scoped to the package that declares it: a library opts in via its own tspconfig.yaml and consumers do not need to enable anything.

  // A library exports a provider (use `defineTypeInfoProvider` for typing):
  export const $provideTypeInfo = defineTypeInfoProvider(({ program, target }) => {
    if (target.kind !== "Operation") return undefined;
    return { content: "extra info about this operation" };
  });
  // Tooling / language server queries it (merges every library's contribution):
  const info = program.getTypeInfo(type);

• #11771 Add experimental support for an extends clause on union statements to constrain every variant to a common data type.

  Enable the union-extends compiler feature in tspconfig.yaml to use the clause.

  model PetBase {

... (truncated)

Commits

• 54d93a9 Bump versions for september release (#11899)
• fd3e840 Add release notes for TypeSpec 1.16.0 (#11894)
• 6be8d0a Honor @​encode(string) on C# boolean model properties (#11882)
• b189311 Fix Agentic Triage model compatibility (#11892)
• cb51579 Prevent C# model factories from instantiating abstract unknown variants (#11878)
• f16f4d4 [http-client-java] Support request header collection prefixes (#11887)
• cb580e5 fix(http-client-csharp): restrict plugins and NuGet downloads in hosted mode ...
• 462a2b7 Fix resolution of the external dependencies. (#11742)
• 0bb43ac Fix C# ClientResult conversions for streaming events (#11858)
• febb566 Fix Agentic Triage retired model failure (#11876)
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