feat(campaign): Campaign Q&A moderation - automated spam detection on Q&A sections

[Idrhas]

Build ML-based moderation for campaign Q&A threads. Flag and hide spam, inappropriate comments. Highlight verified backer questions.

[natho080]

@natho080 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

i would like to work on this issue

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[lawrencias-design]

@lawrencias-design has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Please, assign me this issue. Thank you.

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[6akola]

@6akola has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Please, assign me this issue.
I can handle it.
Thank you.

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[AgilityB]

@AgilityB has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Lead, kindly oblige me the opportunity to resolve this issue. I've got experience with similar tasks and I'm confident I can investigate, implement a clean solution, and thoroughly test it before submitting a PR.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @AgilityB to this issue.

[drips-wave]

Congratulations, @AgilityB! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @AgilityB: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊