Fixes#42156.
Answer Telegram callback queries before per-chat/topic sequentialize can queue the handler behind an active turn, and carry the in-flight answer promise on the grammY context so the normal handler reuses it instead of double-answering.
Proof:
- node scripts/run-vitest.mjs extensions/telegram/src/bot.create-telegram-bot.test.ts -- -t "answers callback queries before same-chat sequentialize delays handlers|sequentializes updates by chat and thread|routes callback_query payloads as messages"
- node scripts/run-vitest.mjs extensions/telegram/src/bot.test.ts extensions/telegram/src/bot-handlers.runtime.test.ts
- node_modules/.bin/oxfmt --check extensions/telegram/src/bot-core.ts extensions/telegram/src/bot-handlers.runtime.ts extensions/telegram/src/callback-query-answer-state.ts extensions/telegram/src/bot.create-telegram-bot.test.ts
- git diff --check origin/main...HEAD
- .agents/skills/autoreview/scripts/autoreview --mode branch --base origin/main
- Azure Crabbox cbx_cba20c462ad5 / silver-barnacle: OPENCLAW_TESTBOX=1 node scripts/crabbox-wrapper.mjs run --provider azure --class Standard_D4ads_v6 --idle-timeout 90m --ttl 240m --timing-json -- env OPENCLAW_CHECK_CHANGED_REMOTE_CHILD=1 OPENCLAW_CHANGED_LANES_RAW_SYNC=1 corepack pnpm check:changed
Proof gap: live Telegram Desktop/burner-account proof was not run because openclaw-telegram-user-crabbox-proof is not installed in this shell.
