fix(web): isolate project refresh recovery

apps/web_v1/scripts/project-refresh-coordinator.test.mjs

@@ -0,0 +1,57 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  clearPendingRefreshProjects,
+  createProjectRefreshCoordinator,
+  mergePendingRefreshProjects,
+} from '../src/app/project-refresh-coordinator.ts'
+
+test('project A and B refresh generations do not abort each other', () => {
+  const coordinator = createProjectRefreshCoordinator()
+  const projectA = coordinator.beginProject('project-a')
+  const projectB = coordinator.beginProject('project-b')
+
+  assert.equal(projectA.signal.aborted, false)
+  assert.equal(projectA.isCurrent(), true)
+  assert.equal(projectB.signal.aborted, false)
+  assert.equal(projectB.isCurrent(), true)
+
+  const newerProjectA = coordinator.beginProject('project-a')
+  assert.equal(projectA.signal.aborted, true)
+  assert.equal(projectB.signal.aborted, false)
+  assert.equal(newerProjectA.isCurrent(), true)
+})
+
+test('project B success cannot clear project A pending recovery', () => {
+  let pending = mergePendingRefreshProjects([], ['project-a'])
+
+  pending = clearPendingRefreshProjects(pending, ['project-b'])
+
+  assert.deepEqual(pending, ['project-a'])
+})
+
+test('recovery clears only successful targets and full success clears all', () => {
+  let pending = mergePendingRefreshProjects([], ['project-a', 'project-b'])
+
+  pending = clearPendingRefreshProjects(pending, ['project-a'])
+  assert.deepEqual(pending, ['project-b'])
+
+  pending = clearPendingRefreshProjects(pending)
+  assert.deepEqual(pending, [])
+})
+
+test('full and targeted refreshes supersede only when their coverage overlaps globally', () => {
+  const coordinator = createProjectRefreshCoordinator()
+  const projectA = coordinator.beginProject('project-a')
+  const projectB = coordinator.beginProject('project-b')
+  const full = coordinator.beginFull()
+
+  assert.equal(projectA.signal.aborted, true)
+  assert.equal(projectB.signal.aborted, true)
+  assert.equal(full.isCurrent(), true)
+
+  const newerProjectA = coordinator.beginProject('project-a')
+  assert.equal(full.signal.aborted, true)
+  assert.equal(newerProjectA.isCurrent(), true)
+})