* fix: unexpected chatlog links

* fix: separate handling of polls and chatlogs

Co-authored-by: Robert Sparks <rjsparks@nostrum.com>

* feat: new meeting registration implementation

* fix: use on_delete=models.PROTECT for certain FKs

* fix: convert outlier reg_types,ticket_types on initial migration

* fix: fix initial migration mistake

* fix: remove management command. add task

* fix: move migration 0010 to 0011 to resolve conflict

* fix: add missing migration for model changes

* fix: add reg type names for unknown

* fix: change migration to use 'unknown'. Add test function

* fix: merge migrations

* fix: rename test_migrate_registrations to check_migrate_registrations

* fix: update names.json

* fix: fix migration issue and add task

* fix: fix broken migration dependency

* fix: 400->500 for bad /api/v1/ requests

* chore: remove unused import

* chore: reorder migrations

* chore: copyright

* feat: add api for related emails. Fixes #8275

* fix: switch from querystring parameter to URL parameter

* fix: exclude null character in URL regex

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Co-authored-by: Robert Sparks <rjsparks@nostrum.com>

* refactor: smtpd -> aiosmtpd

* test: set mock return value for EmailOnFailureCommandTests

The test has been working, but in a broken way, for as long as it has existed. The smtpd-based test_smtpserver was masking an exception that did not interfere with the test's effectiveness.

* test: increase SMTP.line_length_limit

* feat: use new mail archive search API for review app lookups

* fix: fix patch call

* fix: remove url from query_data

* fix: force utc timezone on datetime from archive API

* fix: remove query_data['url'] from test

* chore: k8s plumbing for mailarchive secret

plus a typo fix

* style: remove empty line

* chore: hints for working with APP_API_TOKENS value

* refactor: update secretariat dashboard style

* refactor: change announcement styling

* feat: hide to_custom field when not needed

* fix: apply Black to python files

* fix: add announcement.js to package.json

* fix: move announcement playwright test to tests-legacy

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Co-authored-by: Robert Sparks <rjsparks@nostrum.com>