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feat(coderd): add pagination to chat list endpoint (#22887)

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Adds offset and cursor-based pagination to the `GET
/api/experimental/chats` endpoint, following the exact same patterns
used by `GetUsers` and `GetTemplateVersionsByTemplateID`.

## Changes

### Database
- Add `after_id`, `offset_opt`, `limit_opt` params to
`GetChatsByOwnerID` SQL query
- Use composite `(updated_at, id) DESC` cursor for stable, deterministic
pagination
- Add migration with composite index on `chats (owner_id, updated_at
DESC, id DESC)`

### Backend
- Use `ParsePagination()` in `listChats` handler (matches `users.go`
pattern)
- Add `Pagination` field to `ListChatsOptions` SDK struct

### Frontend
- Add `infiniteChats()` query factory using `useInfiniteQuery` with
offset-based page params (same pattern as `infiniteWorkspaceBuilds`)
- Update `AgentsPage` to use `useInfiniteQuery`
- Add "Show more" button at the bottom of the agents sidebar (matches
`HistorySidebar` pattern)
- Keep existing `chats()` query for non-paginated uses (e.g., parent
chat lookup in `AgentDetail`)

### Tests
- Add `TestListChats/Pagination` covering `limit`, `after_id` cursor,
`offset`, and no-limit behavior
This commit is contained in:
Kyle Carberry
2026-03-10 13:55:33 +00:00
committed by GitHub
parent beed379b1d
commit e18ce505ec
14 changed files with 244 additions and 19 deletions
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coderd/database/dump.sql
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@@ -3534,6 +3534,8 @@ CREATE INDEX idx_chats_last_model_config_id ON chats USING btree (last_model_con
CREATE INDEX idx_chats_owner ON chats USING btree (owner_id);
CREATE INDEX idx_chats_owner_updated_id ON chats USING btree (owner_id, updated_at DESC, id DESC);
CREATE INDEX idx_chats_parent_chat_id ON chats USING btree (parent_chat_id);
CREATE INDEX idx_chats_pending ON chats USING btree (status) WHERE (status = 'pending'::chat_status);