# What this PR does
See [Slack
discussion](https://raintank-corp.slack.com/archives/C06K1MQ07GS/p1732110700877869)
for more context
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
show up in the autogenerated release notes.
# What this PR does
Improves OpenAPI schema coverage for internal API:
- Fixes/Improves `alert group` and `feature` endpoints
- Adds `integration` and `user` endpoints
## Which issue(s) this PR fixes
https://github.com/grafana/oncall/issues/3444
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
# What this PR does
## Which issue(s) this PR fixes
## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
---------
Co-authored-by: Joey Orlando <joey.orlando@grafana.com>
Co-authored-by: Michael Derynck <michael.derynck@grafana.com>
# What this PR does
- Remove `heartbeat_heartbeat` table. This model/table does not seems to
be deprecated/used anywhere (no data in this in production/staging; see
more comments in the code about this).
