Migrate Pet Store API to v2

[infracore]

Changes

• Remove DELETE /pets/{petId} endpoint (replaced with PATCH)
• Change Pet.id type from string to integer
• Remove pending from Pet.status enum
• Update workflow to use spec auto-fetch mode

This PR intentionally introduces breaking changes to demonstrate Delimit's detection capabilities.

[github-actions]

🔴 MAJOR — Breaking Changes Detected

3 changes · 3 breaking · next: 2.0.0

Breaking Changes

Change	Location	Severity
Method DELETE cannot be removed from /pets/{petId}	/pets/{petId}:DELETE	🔴 Critical
Type changed from string to integer at #/components/schemas/Pet.id	#/components/schemas/Pet.id	🟡 Warning

📋 Migration guide

Migration Guide: Pet Store API (1.0.0 -> 2.0.0)

This release contains 3 breaking change(s).
Follow the steps below to update your integration.

Step 1: Method Removed

Change: Method removed: DELETE /pets/{petId}
Location: /pets/{petId}:DELETE

Action: Update clients using this HTTP method. Check if an alternative method is available on the same path.

Step 2: Type Changed

Change: Type changed from string to integer at #/components/schemas/Pet.id
Location: #/components/schemas/Pet.id

Action: Update serialization/deserialization logic for the new type. Check all type assertions, validators, and database column types.

Step 3: Enum Value Removed

Change: Enum value 'pending' removed at #/components/schemas/Pet.status
Location: #/components/schemas/Pet.status

Action: Stop sending the removed enum value. Update any switch/case or if/else blocks that handle it.

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After completing all steps, run your integration tests to verify.

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