feat(shortlink): add Beluga short link rewrite for hosted campaigns

[waleedlatif1]

Summary

• Add /r/:shortCode rewrite to proxy short links to Beluga's tracking system (go.trybeluga.ai)
• Only active when isHosted is true so it doesn't affect self-hosted/OSS deployments

Type of Change

• New feature

Testing

Tested manually

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Feb 17, 2026 6:05pm

[greptile-apps]

Greptile Summary

Adds a Next.js rewrite rule to proxy /r/:shortCode requests to Beluga's tracking service at go.trybeluga.ai. The rewrite is conditionally enabled via the isHosted feature flag, ensuring it only applies to the hosted deployment (sim.ai / staging.sim.ai) and does not affect self-hosted or OSS installations.

• Adds async rewrites() to next.config.ts with a single conditional rewrite rule
• Uses the existing isHosted flag for gating, consistent with the pattern used in async redirects()
• No existing /r/ routes or middleware conflicts detected

Confidence Score: 4/5

• This PR is safe to merge — it's a small, well-guarded config addition with no impact on self-hosted deployments.
• The change is minimal (12 lines), properly gated behind the isHosted feature flag, follows existing patterns in the config file, and introduces no route conflicts. Score is 4 rather than 5 because there are no automated tests covering this rewrite behavior.
• No files require special attention.

Important Files Changed

Filename	Overview
apps/sim/next.config.ts	Adds an async rewrites() function that proxies /r/:shortCode to https://go.trybeluga.ai/:shortCode when isHosted is true. No route conflicts found; pattern follows existing conventions in the config.

Sequence Diagram

sequenceDiagram
    participant User as User/Browser
    participant Next as Next.js (sim.ai)
    participant Beluga as go.trybeluga.ai

    User->>Next: GET /r/:shortCode
    alt isHosted = true
        Next->>Beluga: Proxy rewrite to https://go.trybeluga.ai/:shortCode
        Beluga-->>Next: Tracking redirect response
        Next-->>User: Proxied response
    else isHosted = false (self-hosted)
        Next-->>User: 404 (no rewrite applied)
    end

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[greptile-apps]

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