fix: make OPS_FRONTEND_URL configurable via environment variable

[fpigeonjr]

What changed

OPS_FRONTEND_URL was hardcoded to http://localhost:3000 in backend/ops_api/ops/environment/default_settings.py. It is now read from the environment with http://localhost:3000 as the fallback default, matching the pattern already used by all Azure environment configs.

docker-compose.yml now passes OPS_FRONTEND_URL=http://localhost:${FRONTEND_PORT:-3000} to the backend container so the value automatically tracks FRONTEND_PORT with no extra override needed.

AGENTS.md has been updated to include OPS_FRONTEND_URL in the alternate-port worktree example command and the port variables reference table.

Web UI contributors: If you edited files via the GitHub web interface on a branch in this repository, CI can automatically apply any needed formatting fixes and commit them back to your PR branch. Fork-based PRs may still need local formatting — see CONTRIBUTING.md for details.

Issue

Closes #5454

How to test

1. Start the stack on alternate ports:

   COMPOSE_PROJECT_NAME=ops_5454 \
   DB_PORT=55432 \
   BACKEND_PORT=58080 \
   FRONTEND_PORT=53000 \
   BACKEND_DOMAIN=http://localhost:58080 \
   OPS_FRONTEND_URL=http://localhost:53000 \
   docker compose --profile setup up --build

2. Confirm the env var is live in the backend container:

   COMPOSE_PROJECT_NAME=ops_5454 FRONTEND_PORT=53000 docker compose exec backend env | grep OPS_FRONTEND_URL
   # Expected: OPS_FRONTEND_URL=http://localhost:53000

3. Open http://localhost:53000 and log in — should succeed with no CORS or 401 errors.
4. Run the default stack (docker compose --profile setup up --build) and confirm login still works at http://localhost:3000.

A11y impact

• No accessibility-impacting changes in this PR

Screenshots

N/A — backend config and Docker Compose change only

Definition of Done Checklist

• OESA: Code refactored for clarity
• OESA: Dependency rules followed
• Automated unit tests updated and passed
• Automated integration tests updated and passed
• Automated quality tests updated and passed
• Automated load tests updated and passed
• Automated a11y tests updated and passed
• Automated security tests updated and passed
• 90%+ Code coverage achieved
• Form validations updated

Links

• AGENTS.md — Docker Commands section

[Copilot]

Pull request overview

This PR makes the backend’s expected frontend origin (OPS_FRONTEND_URL) configurable via environment variable (defaulting to http://localhost:3000) to prevent CORS / Referer-origin mismatches when running the stack on alternate ports.

Changes:

• Read OPS_FRONTEND_URL from the environment in backend default settings with a localhost fallback.
• Pass a derived OPS_FRONTEND_URL into the backend container via docker-compose.yml based on FRONTEND_PORT.
• Update AGENTS.md to document OPS_FRONTEND_URL for alternate-port workflows.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
backend/ops_api/ops/environment/default_settings.py	Switches OPS_FRONTEND_URL from hardcoded to env-driven with a default.
docker-compose.yml	Injects OPS_FRONTEND_URL into the backend container derived from FRONTEND_PORT.
AGENTS.md	Documents OPS_FRONTEND_URL and adds it to the alternate-port example.
frontend/src/pages/help/HelpCenter.jsx	Updates Help Center “Open in SharePoint” link styling/icon (unrelated to PR purpose).
backend/ops_api/Pipfile.lock	Updates lockfile with multiple dependency version changes (unrelated to PR purpose).

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[github-actions]

🎉 This PR is included in version 1.355.11 🎉

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