* when appending log field only do so by minimal amount
* move slice utils to separate package to fix import cycle, add GrowJust() and AppendJust() functions
* fix GrowJust() not returning slice of same length
* improved xslices tests
* make AppendJust() test check for slice contents, fix AppendJust() final copying behaviour
* add a +1 with field growth to try minimise allocation for log 'msg' field
* Implement conversations API
* Sort and page conversations by last status ID
* Appease linter
* Fix deleting conversations and statuses
* Refactor to make migrations automatic
* Lint
* Update tests post-merge
* Fixes from live-fire testing
* Linter caught a format problem
* Refactor tests, fix cache
* Negative test for non-DMs
* Run conversations advanced migration on testrig startup as well as regular server startup
* Document (lack of) side effects of API method for deleting a conversation
* Make not-found check less nested for readability
* Rename PutConversation to UpsertConversation
* Use util.Ptr instead of IIFE
* Reduce cache used by conversations
* Remove unnecessary TableExpr/ColumnExpr
* Use struct tags for both unique constraints on Conversation
* Make it clear how paging with GetDirectStatusIDsBatch should be used
* Let conversation paging skip conversations it can't render
* Use Bun NewDropTable
* Convert delete raw query to Bun
* Convert update raw query to Bun
* Convert latestConversationStatusesTempTable raw query partially to Bun
* Convert conversationStatusesTempTable raw query partially to Bun
* Rename field used to store result of MaxDirectStatusID
* Move advanced migrations to their own tiny processor
* Catch up util function name with main
* Remove json.… wrappers
* Remove redundant check
* Combine error checks
* Replace map with slice of structs
* Address processor/type converter comments
- Add context info for errors
- Extract some common processor code into shared methods
- Move conversation eligibility check ahead of populating conversation
* Add error context when dropping temp tables
