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Add cmux send --paste and hint at it for large multi-line sends - #14937
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`cmux send` types text as keystrokes, so every newline presses Enter and a multi-line prompt sent to Claude Code or Codex can submit line by line. `cmux paste` (#14837) already delivers text through `terminal.paste`, the Cmd+V path, but scripts that call `cmux send` had to switch commands. - `cmux send --paste` sends the text unchanged through `terminal.paste`, sharing one delivery function with `cmux paste` (target resolution, size check, queued-delivery output). `--paste` counts only before the text, so `cmux send echo --paste` and `cmux send -- --paste` still type it. - Without `--paste`, the default is unchanged. After a keystroke send of more than 4096 UTF-8 bytes containing a line break, a one-line hint on stderr recommends `--paste`. Stdout and the exit status are unaffected. - `cmux send --help` is now a localized catalog string and documents `--paste`; the hint is localized in all nine app locales. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Catch-up merge by scripts/ci/catch_up_pr.py (RFC #14631). Merged by scripts/merge-main.sh: origin/main at 3761671, the newest commit with green CI fast guards (1 newer skipped). Resolved generated files: - Resources/Localizable.xcstrings: xcstrings key-level union Catch-up-previous-head: fcb59f3 Catch-up-base: 3761671
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648d5c1 Add a Paste Last Screenshot action with an unbound shortcut (manaflow-ai#14955) ff61677 ci: avoid partial blobs in catch-up merges (manaflow-ai#15023) 4d0d112 ci: retry transient catch-up GraphQL failures (manaflow-ai#15021) 212e808 ci: attribution scores a lone suspect and reports app-host crashes apart (manaflow-ai#14952) 4cabdf4 test: settle the window before measuring the unread sidebar-row invalidation (manaflow-ai#14568) 12ec99b Add a release-media capture tool for changelog screenshots and clips (manaflow-ai#15010) ee2cda0 Backfill Unreleased changelog and draft next release cards (manaflow-ai#14999) be4adf8 Show a brief notice when Cmd+V fails on an oversized image or a timeout (manaflow-ai#14953) 23d22d7 ci: an owned pool the run starts on now beats an earlier one it queues on (manaflow-ai#14993) 05d0190 ci: catch-up posts once per head, says less, and merges inserted declarations (manaflow-ai#15018) 4ee4b21 ci: fail stalled Swift package tests instead of waiting out the job timeout (manaflow-ai#14997) 9ce512a merge-main: run local guards only when asked (manaflow-ai#15016) d60108a ci: clear test-e2e's fixed DerivedData with clear-dirs.sh (manaflow-ai#14994) 1d7895e ci: run the shell and CLI no-socket lanes in parallel (manaflow-ai#14990) 6e7d25f Honor macOS Differentiate Without Color, Increase Contrast and Reduce Transparency (manaflow-ai#14991) 966b355 Stop interrupting focused work: sidebar jumps, Computer Use focus steal, quit dialog on logout (manaflow-ai#14961) e1f1cb2 Strip control characters from feedback attachment filenames (manaflow-ai#14783) 0758c9f test: find the onboarding window the test presented, not a leftover (manaflow-ai#15015) b35c540 fix(spm): resolve GhosttyKit/GhosttyRuntimeTestStubs target name collisions (manaflow-ai#10569) ef33bed Map .purs artifacts to the Haskell highlight.js grammar (manaflow-ai#14202) e2a167a Highlight Elixir and Erlang files in the file editor (manaflow-ai#13732) 972c449 fix: wrap Linux browser download card label (manaflow-ai#11157) f563884 Add Aside to browser data import detection (manaflow-ai#13379) 091d0ea Add cmux send --paste and hint at it for large multi-line sends (manaflow-ai#14937) 3ffcdbb test(ios): keep folder-tap stat tests off the real 2 s deadline (manaflow-ai#15017) 68d3936 test: keep CmuxTerminal pasteboard tests off the cooperative pool (manaflow-ai#15006)
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Summary
cmux sendtypes text as keystrokes: every newline presses Enter, so a multi-line prompt sent to Claude Code or Codex can submit line by line.cmux paste(#14837) already delivers text throughterminal.paste, the Cmd+V path, but a script built oncmux sendhad to switch commands to get it.cmux send --pastesends the text unchanged throughterminal.paste. It shares one delivery function withcmux paste, so both resolve targets, enforce the socket size limit and report queued delivery the same way.--pasteonly counts before the text:cmux send echo --pasteandcmux send -- --pastestill type--paste, as before.cmux sendis unchanged. After a keystroke send of more than 4096 UTF-8 bytes that contains a line break, a one-line hint on stderr recommendscmux send --pasteorcmux paste. Stdout and the exit status are unaffected; short text and long single-line text never see the hint.cmux send --helpmoves into the string catalog and documents--paste.docs/cli-contract.mdand the task help usage line list the flag.Like
cmux paste,send --pasteis local-socket only today:terminal.pasteis not on thecmux sshrelay allowlist (that is #14915). This PR adds no socket method and changes no relay policy.Testing
The bundled-CLI regressions exercise
terminal.pastedelivery with unchanged text, default keystroke sends, flag placement and--handling, missing text, and stderr-only hints at the 4096/4097-byte boundary.fcb59f35c5ec: CI run 36320420867 passed macOS compile admission and 136 CLI tests in 24 suites, including all six new regressions.0a2b953aa9e1:scripts/merge-main.shmerged green main3761671f5206; all 66 Linux guard steps passed with none skipped.verify-local.pypassed syntax parsing for the four changed Swift files, catalog structure and localization parity.abf237324f28: the catalog-only cleanup preserves main's key order and all existing values, adding only the two new keys. Catalog structure and localization parity passed again on this head. Current-head macOS compile admission and all 136 CLI tests in 24 suites passed, including the six new regressions. No tagged-build dogfood has been performed.Localization audit:
cli.help.sendandcli.send.hint.usePastehave translations for all nine app locales (en, de, fr, ar, es, zh-Hant, zh-Hans, ko, ja). No web copy changed.Changelog
Added:
cmux send --pastefor sending text through the terminal paste path, with a hint for large multiline keystroke sends.Checklist
Original implementation and contributor credit:
— Glasswren g1 🎲
run: run_paste_improvements_20260927_d07ca05d
🤖 Generated with Claude Code