feat: add execution detail endpoint

[patriksimek]

Based on feature request #14.

[Copilot]

Pull Request Overview

This PR adds a new endpoint to retrieve detailed execution results for Make scenarios, providing status, outputs, and error information for completed executions.

Key changes:

• Adds getDetail() method to the Executions class for fetching detailed execution results
• Introduces ExecutionDetail type with status, outputs, and error information
• Includes comprehensive unit and integration tests for the new endpoint

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/endpoints/executions.ts	Adds ExecutionDetail type and getDetail() method, refines status type to use literal union
src/endpoints/executions.mcp.ts	Registers new executions_get_detail tool for MCP interface
src/endpoints/scenarios.ts	Adds optional status field to RunScenarioResponse type
src/index.ts	Exports new ExecutionDetail type
test/executions.spec.ts	Adds unit test for getDetail() method
test/executions.integration.test.ts	Adds integration test with retry logic for execution detail retrieval
test/mocks/executions/get-detail.json	Provides mock response data for unit test
test/mocks/executions/blueprint.json	Provides scenario blueprint for integration test
package.json	Bumps version from 0.8.1 to 0.9.0

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