Remove fetch dependency

[ChiragAgg5k]

Summary

• remove the runtime utopia-php/fetch dependency from Queue
• replace the RabbitMQ management HTTP API queue-size lookup with AMQP queue_declare(..., passive: true)
• keep missing queues returning 0, matching the previous HTTP 404 behavior

Context

utopia-php/fetch was only used in src/Queue/Broker/AMQP.php to call RabbitMQ's HTTP management API from getQueueSize().

RabbitMQ already returns the queue depth in the AMQP queue.declare-ok response as message_count, so the broker can get queue size through its existing AMQP channel instead of requiring the HTTP management plugin and an extra HTTP client dependency.

A passive declare closes the channel when the queue does not exist, so the implementation catches RabbitMQ's 404 channel exception, clears the cached channel, and returns 0 to preserve the old behavior.

Test Plan

• php -l src/Queue/Broker/AMQP.php
• composer validate --no-check-publish
• vendor/bin/pint --test
• vendor/bin/phpstan analyse --no-progress --memory-limit=512M

[greptile-apps]

Greptile Summary

This PR removes utopia-php/fetch from the runtime dependency and replaces getQueueSize's HTTP management API call with a native AMQP queue_declare(passive: true) approach, which is a cleaner implementation that no longer requires RabbitMQ's management plugin or a separate HTTP port. The lockfile update is consistent with the removal. The core logic change looks correct — 404 channel exceptions are caught, the invalidated channel is nulled, and other errors propagate through withChannel's retry mechanism as expected.

Confidence Score: 5/5

Safe to merge after updating the PR description to reflect the actual change (dependency removal, not a version bump)

No functional bugs found; the AMQP passive-declare approach is correct and the channel-null handling on error is appropriate. The only finding is a P2 PR description inaccuracy.

No files require special attention

Important Files Changed

Filename	Overview
composer.json	Removes utopia-php/fetch from require entirely (PR description incorrectly says it was updated to ^1.1.0)
composer.lock	Lock file updated to remove utopia-php/fetch 0.5.1; no 1.1.x entry added, consistent with the dependency being dropped entirely
src/Queue/Broker/AMQP.php	Replaces HTTP management API call with native AMQP queue_declare(passive: true); 404 handling correctly nulls the channel before returning, and non-404 errors re-throw into withChannel's retry path

_{Reviews (2): Last reviewed commit: "Remove fetch dependency" | Re-trigger Greptile}