Discussion stays open for finished studies; only planned studies are closed; v2.11.2

A finished study is just no longer the main study, so students who take it later still need discussion.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

test/study-completion.test.js

@@ -60,7 +60,7 @@ test('re-engagement emails skip students whose only study is finished', async ()
   assert.deepEqual(sent, ['c@d.co'])
 })
 
-test('discussion is open only for active studies', async () => {
+test('discussion is open for active and finished studies, closed only for planned ones', async () => {
   const { isStudyDiscussionOpen } = await import('../server/study-helpers.js')
   const past = '2020-01-01T00:00:00Z'
   const future = '2099-01-01T00:00:00Z'
@@ -73,8 +73,8 @@ test('discussion is open only for active studies', async () => {
     ],
   }
   assert.equal(isStudyDiscussionOpen('live'), true)
-  assert.equal(isStudyDiscussionOpen('done'), false)
-  assert.equal(isStudyDiscussionOpen('auto-done'), false)
+  assert.equal(isStudyDiscussionOpen('done'), true)
+  assert.equal(isStudyDiscussionOpen('auto-done'), true)
   assert.equal(isStudyDiscussionOpen('soon'), false)
   assert.equal(isStudyDiscussionOpen('missing'), false)
 })