fix: add missing title and summary fields to ServerObject type

[q404365631]

Description

The AsyncAPI 3.0 specification defines title and summary as optional fields in the ServerObject, but the parser-js TypeScript type definition was missing these fields.

Changes

• Added title?: string field to ServerObject in packages/parser/src/spec-types/v3.ts
• Added summary?: string field to ServerObject in packages/parser/src/spec-types/v3.ts

Related Issue

Fixes #1137

Reference

Per the AsyncAPI 3.0.0 Specification - Server Object:

Field Name	Type	Description
title	string	A human-friendly title for the server.
summary	string	A short summary of what the server is.

Testing

• This is a backward-compatible change (adding optional fields)
• No existing code is affected
• The new fields align with the AsyncAPI 3.0 specification

MICROGRANT

This PR resolves issue #1137 which is part of the MICROGRANT Program 2026-06.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[q404365631]

Hi maintainers! 👋 This PR has been open for a few days. It adds the missing title and summary fields to the ServerObject type definition. Could someone please review? Happy to make any changes needed. Thanks!