Add Troubleshooting Decision Tree

[Abd-Standard]

Description:
Create a troubleshooting flow that helps contributors identify whether an issue originates from RPC, event processing, database, scheduling, or notification delivery.

Acceptance Criteria:

Common failures are covered.
Each branch provides actionable debugging steps.
Relevant logs or metrics are referenced.

[dee-john]

@dee-john has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

i’m very conversant in solving problems like this, let me work on it

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

[Devadakene]

@Devadakene has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

I would like to work on this issue having worked on something similar issues in the past. Please assign

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

[drips-wave]

Congratulations, @Devadakene! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on September 30, 2026.

🧑‍💻 @Devadakene: 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 🌊