chore: make backend worker API URL configurable via WORKER_API_URL

[brendan-kellam]

The backend worker API was hardcoded to localhost:3060 in both the worker (api.ts) and the web app that calls it (workerApi/actions.ts). This adds a single WORKER_API_URL env var (default http://localhost:3060): the web app dials it, and the worker derives its listen port from it, so the URL and port can't drift.

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Summary by CodeRabbit

• Changed
  • Made the worker API address configurable through an environment variable, with a sensible default.
  • Updated the backend to determine its listening port from the configured worker API address, with fallback ports for common URL schemes.
  • Switched the web app to use the same configurable worker API address for requests.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 05f77107-9abd-4080-a223-e1d0135b8e02

📥 Commits

Reviewing files that changed from the base of the PR and between 3a7bf2d and 8ca2722.

📒 Files selected for processing (4)

• CHANGELOG.md
• packages/backend/src/api.ts
• packages/shared/src/env.server.ts
• packages/web/src/features/workerApi/actions.ts

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Walkthrough

Introduces a WORKER_API_URL environment variable (default http://localhost:3060) in the shared env schema, replacing hardcoded worker API addresses in the backend port derivation and web worker API actions, with a corresponding changelog entry.

Changes

WORKER_API_URL configuration

Layer / File(s)	Summary
Env schema for WORKER_API_URL packages/shared/src/env.server.ts	Adds WORKER_API_URL to the server env schema, validated as a URL string with a default of http://localhost:3060.
Consume WORKER_API_URL in backend and web actions packages/backend/src/api.ts, packages/web/src/features/workerApi/actions.ts, CHANGELOG.md	Backend derives its listening PORT by parsing env.WORKER_API_URL (falling back to 443/80 by protocol); web actions read env.WORKER_API_URL instead of a hardcoded URL; changelog documents the new configurability.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Sequence Diagram(s)

sequenceDiagram
  participant EnvServer as env.server.ts
  participant BackendApi as api.ts
  participant WebActions as actions.ts
  EnvServer->>EnvServer: define WORKER_API_URL with default http://localhost:3060
  BackendApi->>EnvServer: read env.WORKER_API_URL
  BackendApi->>BackendApi: parse URL, derive PORT (explicit, or 443/80 by protocol)
  WebActions->>EnvServer: read env.WORKER_API_URL
  WebActions->>WebActions: use WORKER_API_URL as fetch base URL

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✨ Finishing Touches

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🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch brendan/configurable-worker-api-url

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