feat: add /btw side-question support for Gemini and Codex providers#171
Merged
Zhang-Henry merged 2 commits intomainfrom Apr 13, 2026
Merged
feat: add /btw side-question support for Gemini and Codex providers#171Zhang-Henry merged 2 commits intomainfrom
Zhang-Henry merged 2 commits intomainfrom
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Previously /btw was Claude-only. This extends the ephemeral side-question overlay to Gemini (via direct generateContent API) and Codex (via OpenAI Chat Completions API), both tool-free and session-independent. - Extract shared BTW_SYSTEM_PROMPT and helpers into server/utils/btw.js - Add runGeminiBtw() using non-streaming Gemini REST API - Add runCodexBtw() bypassing Codex SDK with direct OpenAI API call - Create unified POST /api/btw route with provider dispatch - Update frontend to send provider field and select correct model - Keep legacy /api/claude/btw endpoint for backward compatibility Made-with: Cursor
Lets users point /btw (and other Gemini REST calls) at a self-hosted or proxy endpoint instead of the hardcoded Google base URL.
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…res) Merge upstream/main into topic/upstream/pr170-review-fixes to unblock the PR merge. Conflicts arose from two upstream PRs landing on main after our branch diverged: - OpenLAIR#171 feat/btw-gemini-codex: added /btw side-question support for Gemini and Codex; resolved by keeping btw handler block from main before our existing builtin command handler in useChatComposerState.ts, and adding the btw/CODEX_MODELS imports alongside our buildCodexSessionCreatedEvent import in openai-codex.js. - OpenLAIR#173 feat/file-preview-reader-modes: auto-merged cleanly. All 149 tests pass. Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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Summary
/btwephemeral side-question overlay from Claude-only to also support Gemini and Codex providersgenerateContentREST API directly withsystemInstructionand notoolsfieldBTW_SYSTEM_PROMPT, constants, andbuildBtwUserMessage()intoserver/utils/btw.jsfor all three providersPOST /api/btwendpoint withproviderdispatch, keeping the legacy/api/claude/btwfor backward compatibilityChanged files
server/utils/btw.jsserver/routes/btw.js/api/btwroute with provider dispatchserver/claude-sdk.jsrunClaudeBtw()to use shared moduleserver/gemini-api.jsrunGeminiBtw()via Gemini REST APIserver/openai-codex.jsrunCodexBtw()via OpenAI Chat Completions APIserver/index.js/api/btwrouteserver/routes/commands.js/btwdescription (removed "Claude only")useChatComposerState.tsproviderfield, select correct modelTest plan
/btw <question>with Claude provider — should work as before/btw <question>with Gemini provider — answer appears in overlay/btw <question>with Codex provider — answer appears in overlay/btwwith unsupported provider (e.g. openrouter) — shows informative error message/btwwhile a main session is streaming — overlay should work concurrently/api/claude/btwendpoint still worksMade with Cursor