enhance(backend): refine system account (#15530)

* wip

* wip

* wip

* Update SystemAccountService.ts

* Update 1740121393164-system-accounts.js

* Update DeleteAccountService.ts

* wip

* wip

* wip

* wip

* Update 1740121393164-system-accounts.js

* Update RepositoryModule.ts

* wip

* wip

* wip

* Update ApRendererService.ts

* wip

* wip

* Update SystemAccountService.ts

* fix tests

* fix tests

* fix tests

* fix tests

* fix tests

* fix tests

* add print logs

* ログが長すぎて出てないかもしれない

* fix migration

* refactor

* fix fed-tests

* Update RelayService.ts

* merge

* Update user.test.ts

* chore: emit log

* fix: tweak sleep duration

* fix: exit 1

* fix: wait for misskey processes to become healthy

* fix: longer sleep for user deletion

* fix: make sleep longer again

* デッドロック解消の試み

https://github.com/misskey-dev/misskey/issues/15005

* Revert "デッドロック解消の試み"

This reverts commit 266141f66fb584371bbb56ef7eba04e14bcff94d.

* wip

* Update SystemAccountService.ts

---------

Co-authored-by: おさむのひと <46447427+samunohito@users.noreply.github.com>
Co-authored-by: zyoshoka <107108195+zyoshoka@users.noreply.github.com>

.github/workflows/test-federation.yml

@@ -62,14 +62,30 @@ jobs:
           bash ./setup.sh
           sudo chmod 644 ./certificates/*.test.key
       - name: Start servers
+        id: start_servers
+        continue-on-error: true
         # https://github.com/docker/compose/issues/1294#issuecomment-374847206
         run: |
           cd packages/backend/test-federation
           docker compose up -d --scale tester=0
+      - name: Print start_servers error
+        if: ${{ steps.start_servers.outcome == 'failure' }}
+        run: |
+          cd packages/backend/test-federation
+          docker compose logs | tail -n 300
+          exit 1
       - name: Test
+        id: test
+        continue-on-error: true
         run: |
           cd packages/backend/test-federation
           docker compose run --no-deps tester
+      - name: Log
+        if: ${{ steps.test.outcome == 'failure' }}
+        run: |
+          cd packages/backend/test-federation
+          docker compose logs
+          exit 1
       - name: Stop servers
         run: |
           cd packages/backend/test-federation