Qfix: Add fulltext dlq

[lexiv0re]

No description provided.

[huly-github-staging]

Connected to Huly®: UBERF-13888

[Copilot]

Pull Request Overview

This PR adds dead letter queue (DLQ) functionality for the fulltext service to handle transaction processing failures.

• Introduces a utility function to generate dead letter queue topic names
• Adds a dead letter producer to the WorkspaceManager for failed transactions
• Wraps transaction processing in try-catch block to route failures to DLQ

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
server/core/src/queue/utils.ts	Adds utility function to generate dead letter topic names
server/core/src/queue/index.ts	Exports the new utils module
pods/fulltext/src/manager.ts	Integrates DLQ producer and error handling for transaction processing

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[haiodo]

@lexiv0re Please also send an error to telemetry using reportOTELError