fix: reap unused fly apps from past deployments

[disintegrator]

This change implements a new temporal workflow that will reap unused fly.io machines. It is triggered as a child workflow every time a deployment is processed (the parent workflow). The child workflow is invoked with a given project id and it will reap all fly machines provisioned in old deployments leaving only machines in the 3 most recent deployments.

The goal is to keep fly.io machines, a capped resource, in check as more users play with Gram Functions.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 06a6177

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Preview	Comments	Updated (UTC)
gram	Ready	Preview	Comment	Nov 11, 2025 11:12pm
gram-docs-redirect	Ready	Preview	Comment	Nov 11, 2025 11:12pm
gram-landing-redirect	Ready	Preview	Comment	Nov 11, 2025 11:12pm

[github-actions]

Squawk Report

✅ 0 violations across 1 file(s)

---

server/migrations/20251111180235_fly-apps-reap-state.sql

-- atlas:txmode none

-- Drop index "fly_apps_project_deployment_function_key" from table: "fly_apps"
DROP INDEX CONCURRENTLY "fly_apps_project_deployment_function_key";
-- Modify "fly_apps" table
ALTER TABLE "fly_apps" ADD COLUMN "reap_error" text NULL;
-- Create index "fly_apps_project_deployment_function_active_key" to table: "fly_apps"
CREATE UNIQUE INDEX CONCURRENTLY "fly_apps_project_deployment_function_active_key" ON "fly_apps" ("project_id", "deployment_id", "function_id") WHERE (reaped_at IS NULL);
-- Create index "fly_apps_reaper_idx" to table: "fly_apps"
CREATE INDEX CONCURRENTLY "fly_apps_reaper_idx" ON "fly_apps" ("project_id", "created_at" DESC) WHERE ((status = 'ready'::text) AND (reaped_at IS NULL));

✅ Rule Violations (0)

No violations found.

---

📚 More info on rules

⚡️ Powered by Squawk (1.6.1), a linter for PostgreSQL, focused on migrations

[ryan-timothy-albert]

What is this for?

[ryan-timothy-albert]

If activity timeout StartToClose is 5 min. This needs to be 5 min * the number of retries.

Maybe lower the activity StartToClose timeout and set this accordingly. Or set a ScheduleToClose