Implement Auto-Update Campaign Totals Worker

[ayshadogo]

Description:
Create background job to periodically update campaign funding totals.

Tasks:

• Create campaign update job processor
• Schedule job (e.g., every 5 minutes)
• Aggregate donations per project from database
• Calculate total funds raised
• Update project funds_raised field
• Check if funding goal reached
• Trigger completion if deadline passed
• Emit real-time updates (WebSocket)

Acceptance Criteria:

• Totals are updated automatically
• Calculations are accurate
• Auto-completes expired campaigns
• Performance scales with project count

---

[dubemoyibe-star]

@dubemoyibe-star has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

hey can i work on this

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

[Purity-Euphemia]

@Purity-Euphemia has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I’m drawn to this issue because it aligns closely with both my interests and my values. The project tackles a meaningful challenge, and I see an opportunity to contribute solutions that have a tangible impact. I enjoy working on problems that require both analytical thinking and creativity, and this issue offers exactly that balance.

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

[Nuel-ship-it]

@Nuel-ship-it has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I will like to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Nuel-ship-it to this issue.

[steph-crown]

@steph-crown has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi maintainer(s), can I work on this issue?

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