Merge branch 'main' into l0lawrence-typeddict-enum-import

Author: l0lawrence

.chronus/changes/add-explode-object-query-scenario-2026-6-30-20-9-42.md

@@ -0,0 +1,7 @@
+---
+changeKind: feature
+packages:
+  - "@typespec/http-specs"
+---
+
+Add `Routes_QueryParameters_QueryExpansion_Explode_model` scenario covering a named model-valued query parameter with explode expansion (`{?param*}`), which per RFC 6570 form explode expands each property into its own query entry (`?field=status&value=active`).

.chronus/changes/cleanup-test-describe-wrappers-2026-7-8-10-47-50.md

@@ -0,0 +1,30 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http"
+  - "@typespec/json-schema"
+  - "@typespec/rest"
+  - "@typespec/versioning"
+  - "@typespec/openapi"
+  - "@typespec/sse"
+  - "@typespec/emitter-framework"
+  - "@typespec/http-server-csharp"
+  - "@typespec/spec-api"
+  - "@typespec/http-server-js"
+  - "@typespec/asset-emitter"
+  - "@typespec/internal-build-utils"
+  - "@typespec/html-program-viewer"
+  - "@typespec/streams"
+  - "@typespec/library-linter"
+  - "@typespec/bundler"
+  - "@typespec/playground"
+  - "@typespec/spector"
+  - "@typespec/prettier-plugin-typespec"
+  - "@typespec/samples"
+  - "@typespec/spec-dashboard"
+  - "@typespec/tspd"
+  - "typespec-vscode"
+  - "@typespec/protobuf"
+---
+
+Remove redundant top-level `describe` wrappers from tests per the documented test conventions.

.chronus/changes/doc-generation-subdir-examples-2026-6-30-0-0-0.md

@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-java"
+---
+
+Replace `js-yaml` with `yaml` for code-model serialization and drop `lodash` in favor of a built-in array comparison.

.chronus/changes/http-client-java-replace-js-yaml-lodash-2026-7-1-17-16-0.md

@@ -0,0 +1,7 @@
+---
+changeKind: dependencies
+packages:
+  - "@typespec/http-client-java"
+---
+
+Update Node.js dependencies

.chronus/changes/http-client-java-update-node-dependencies-2026-7-2.md

@@ -0,0 +1,7 @@
+---
+changeKind: feature
+packages:
+  - "@typespec/openapi3"
+---
+
+Stop wrapping `$ref` in an unnecessary `allOf` when emitting OpenAPI 3.1 (and 3.2). When a referenced schema carries sibling keywords (for example `description`, `default`, `readOnly`, or `externalDocs`), those keywords are now placed directly next to the `$ref`, as allowed by JSON Schema 2020-12. OpenAPI 3.0 output is unchanged, since it does not permit sibling keywords next to a `$ref`.

.chronus/changes/openapi3-flatten-ref-siblings-3-1.md

@@ -290,6 +290,10 @@ public static ReadOnlySpan<byte> SliceToStartOfPropertyName(this ReadOnlySpan<by
             {
                 return ReadOnlySpan<byte>.Empty;
             }
+            if (local[1] == '.')
+            {
+                return local.Slice(2);
+            }
             return local.Length >= 4 && local[1] == '[' && (local[2] == '\'' || local[2] == '"') ? local.Slice(3) : ReadOnlySpan<byte>.Empty;
         }
 

docs/samples/client/csharp/SampleService/SampleClient/src/Generated/Internal/ModelSerializationExtensions.cs

@@ -32,10 +32,7 @@ extends:
 
               - template: /eng/common/pipelines/templates/steps/create-authenticated-npmrc.yml
 
-              - pwsh: |
-                  $packageJson = Get-Content -Raw "$(Build.SourcesDirectory)/package.json" | ConvertFrom-Json
-                  npm install -g $packageJson.packageManager # Pnpm manage-package-manager-versions will respect packageManager field
-                displayName: Install pnpm
+              - template: /eng/common/pipelines/templates/steps/install-pnpm.yml
 
               - script: pnpm install
                 displayName: Install JavaScript Dependencies

eng/common/pipelines/ci.yml

@@ -0,0 +1,5 @@
+steps:
+  - pwsh: |
+      $packageJson = Get-Content -Raw "$(Build.SourcesDirectory)/package.json" | ConvertFrom-Json
+      npm install -g $packageJson.packageManager
+    displayName: Install pnpm

eng/common/pipelines/templates/steps/install-pnpm.yml

@@ -409,8 +409,7 @@ stages:
                   - script: npm run ${{ parameters.PlaygroundBundleBuildScript }}
                     displayName: Build emitter for playground bundle
                     workingDirectory: $(Build.SourcesDirectory)/${{ parameters.PackagePath }}
-                  - script: npm install -g pnpm
-                    displayName: Install pnpm for playground bundle upload
+                  - template: /eng/common/pipelines/templates/steps/install-pnpm.yml
                   - script: pnpm install --filter "@typespec/bundle-uploader..."
                     displayName: Install bundle-uploader dependencies
                     workingDirectory: $(Build.SourcesDirectory)