Standardize recipe parameter naming: rename parameters to recipeParameters in RecipeDefinition

[Copilot]

Radius.Core/recipePacks used parameters for recipe parameters while Radius.Core/environments already used recipeParameters, causing inconsistency in the API surface. This PR aligns the naming across both resource types.

Changes

• TypeSpec (typespec/Radius.Core/recipePacks.tsp): RecipeDefinition.parameters → recipeParameters
• Data model (pkg/corerp/datamodel/recipepack.go): RecipeDefinition.Parameters → RecipeParameters with JSON tag recipeParameters
• Internal recipe type (pkg/recipes/types.go): RecipeDefinition.Parameters → RecipeParameters
• Generated API model (pkg/corerp/api/v20250801preview/zz_generated_models.go, zz_generated_models_serde.go): field and JSON key updated to recipeParameters
• Conversion/config (recipepack_conversion.go, configloader/environment.go, display.go): field references updated
• Test fixtures and tests: JSON test data, converter tests, controller tests, and CLI show tests all updated
• Design notes (eng/design-notes/recipes/2025-08-recipe-packs.md): all examples updated

Before / After

// Before
"recipes": {
  "Applications.Datastores/redisCaches": {
    "recipeKind": "bicep",
    "parameters": { "tier": "basic" }
  }
}

// After
"recipes": {
  "Applications.Datastores/redisCaches": {
    "recipeKind": "bicep",
    "recipeParameters": { "tier": "basic" }
  }
}

Type of change

• This pull request is a minor refactor, code cleanup, test improvement, or other maintenance task and doesn't change the functionality of Radius (issue link optional).

Contributor checklist

• An overview of proposed schema changes is included in a linked GitHub issue.
  • Yes
  • Not applicable
• A design document PR is created in the design-notes repository, if new APIs are being introduced.
  • Yes
  • Not applicable
• The design document has been reviewed and approved by Radius maintainers/approvers.
  • Yes
  • Not applicable
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR.
  • Yes
  • Not applicable
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made.
  • Yes
  • Not applicable
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR.
  • Yes
  • Not applicable

[radius-functional-tests]

Radius functional test overview

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Click here to see the test run details

Name	Value
Repository	radius-project/radius
Commit ref	c56df78
Unique ID	func19f5ed2b63
Image tag	pr-func19f5ed2b63

• gotestsum 1.13.0
• KinD: v0.29.0
• Dapr: 1.14.4
• Azure KeyVault CSI driver: 1.4.2
• Azure Workload identity webhook: 1.3.0
• Bicep recipe location ghcr.io/radius-project/dev/test/testrecipes/test-bicep-recipes/<name>:pr-func19f5ed2b63
• Terraform recipe location http://tf-module-server.radius-test-tf-module-server.svc.cluster.local/<name>.zip (in cluster)
• applications-rp test image location: ghcr.io/radius-project/dev/applications-rp:pr-func19f5ed2b63
• dynamic-rp test image location: ghcr.io/radius-project/dev/dynamic-rp:pr-func19f5ed2b63
• controller test image location: ghcr.io/radius-project/dev/controller:pr-func19f5ed2b63
• ucp test image location: ghcr.io/radius-project/dev/ucpd:pr-func19f5ed2b63
• deployment-engine test image location: ghcr.io/radius-project/deployment-engine:latest

Test Status

⌛ Building Radius and pushing container images for functional tests...
✅ Container images build succeeded
⌛ Publishing Bicep Recipes for functional tests...
✅ Recipe publishing succeeded
⌛ Starting corerp-cloud functional tests...
⌛ Starting ucp-cloud functional tests...
✅ ucp-cloud functional tests succeeded
✅ corerp-cloud functional tests succeeded
✅ corerp-cloud functional tests succeeded

[github-actions]

Unit Tests

    2 files  ±0    415 suites  ±0   6m 41s ⏱️ -13s
4 872 tests ±0  4 870 ✅ ±0  2 💤 ±0  0 ❌ ±0 
5 774 runs  ±0  5 772 ✅ ±0  2 💤 ±0  0 ❌ ±0 

Results for commit c56df78. ± Comparison against base commit 7999b65.

[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.40%. Comparing base (7999b65) to head (c56df78).

Files with missing lines	Patch %	Lines
pkg/recipes/configloader/environment.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11760      +/-   ##
==========================================
+ Coverage   51.37%   51.40%   +0.03%     
==========================================
  Files         699      699              
  Lines       44111    44111              
==========================================
+ Hits        22661    22675      +14     
+ Misses      19280    19273       -7     
+ Partials     2170     2163       -7     

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