Update pix account type to accept tax id

[JasonCWang]

No description provided.

[JasonCWang]

• Update pix account type to accept tax id #121 👈 (View in Graphite)
• main

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[greptile-apps]

Greptile Summary

This PR adds taxId as a new required field to the PixAccountInfo schema for Brazilian PIX payment accounts. The change propagates through both the source YAML file and the bundled OpenAPI specifications.

• Added taxId field (string type) to PixAccountInfo.yaml with description "Tax ID of the account holder"
• Made taxId a required field alongside existing required fields: accountType, pixKey, and pixKeyType
• Bundled files (openapi.yaml and mintlify/openapi.yaml) correctly updated with the new schema

Confidence Score: 4/5

• This PR is a straightforward schema addition with low risk, though it introduces a breaking change by making taxId required.
• Score of 4 reflects that the change is technically correct and follows existing patterns, but introduces a breaking change by adding a new required field. Existing API clients creating PIX accounts will need to include taxId going forward.
• No files require special attention. The source file has a minor style issue (missing trailing newline).

Important Files Changed

Filename	Overview
openapi/components/schemas/common/PixAccountInfo.yaml	Added taxId as a new required field with type string, description, and example. Missing trailing newline at end of file.
openapi.yaml	Bundled output file correctly generated from source with new taxId field in PixAccountInfo schema.
mintlify/openapi.yaml	Mintlify copy of bundled OpenAPI spec correctly mirrors root openapi.yaml with new taxId field.

Sequence Diagram

sequenceDiagram
    participant Client as API Client
    participant Grid as Grid API
    participant Schema as PixAccountInfo Schema
    
    Client->>Grid: POST /external-accounts (PIX)
    Grid->>Schema: Validate accountInfo
    Note over Schema: Required fields:<br/>- accountType: PIX<br/>- pixKey<br/>- pixKeyType<br/>- taxId (NEW)
    Schema-->>Grid: Validation result
    Grid-->>Client: Response

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[greptile-apps]

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[greptile-apps]

style: Missing trailing newline at end of file. Other schema files in this directory end with a newline.

Suggested change

	example: '1234567890'
	example: '1234567890'

Prompt To Fix With AI

This is a comment left during a code review.
Path: openapi/components/schemas/common/PixAccountInfo.yaml
Line: 29:29

Comment:
**style:** Missing trailing newline at end of file. Other schema files in this directory end with a newline.

```suggestion
    example: '1234567890'
```

How can I resolve this? If you propose a fix, please make it concise.