fix: add compatibility with JetPack

[RaduCristianPopescu]

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Changes proposed in this Pull Request

When JetPack performs the synchronization, it pulls the WP_Posts without Optimole applied. The compatibility modifies the contents of the payload so that the content and the featured image include Optimole optimizations.

WordPress Reader

background-image: url("https://i0.wp.com/mlhgoovhyl5g.i.optimole.com/w:auto/h:auto/q:mauto/ig:avif/https://robert-optimole-test.instawp.co/wp-content/uploads/2025/09/167113836-efdbde32-7863-4a24-9d2d-979025b51260.jpeg?quality=80&ssl=1&strip=info&w=1200"); background-size: cover; background-repeat: no-repeat; background-position: center center;

Gmail

When received by Google, they switch our CDN with theirs, but the origin is Optimole.

src="https://ci3.googleusercontent.com/meips/ADKq_NZC7WDiAynJxsi287Z8tYysdNP_dn6X2MyCrQstkwS67N_tzKyN5o-EUKYzujjqfjJCTHsvHL1ebLavpYSztH8IsGEsH0gJcpsxUzAQODtUpPMM-4XE5V8c5ckuqFrPPXEFPg5tvi3feOx1DAp8Sx5-sgMfxXmIxuyVRTDX6JMTJYXktQassKNtSP4kPKhEV85R=s0-d-e1-ft#https://robert-optimole-test.instawp.co/wp-content/uploads/2025/09/167113836-efdbde32-7863-4a24-9d2d-979025b51260.jpeg?w=504"

Closes https://github.com/Codeinwp/optimole-service/issues/1570

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

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Pull Request Overview

Adds compatibility with JetPack plugin to ensure Optimole image optimizations are applied when JetPack performs content synchronization. This fixes an issue where JetPack was pulling WP_Posts without Optimole optimizations applied.

• Added Optimole URL processing to JetPack's sync process for post content, excerpts, and featured images
• Integrated with JetPack's jetpack_sync_before_send_jetpack_published_post filter to modify payload content
• Enabled early loading for the compatibility to ensure proper hook registration

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
inc/manager.php	Added 'jetpack' to the list of possible compatibilities
inc/compatibilities/jetpack.php	New compatibility class implementing JetPack sync integration

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🎉 This PR is included in version 4.1.0 🎉

The release is available on GitHub release

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