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Michael GrundbergandClaude Opus 5
5cfb98fb8b
Only a visible-frame capture positions its rows absolutely, so only that frame can be damaged by a terminal of the wrong size. A `full=1` body is linear scrollback closed by a relative cursor move, which is relative precisely so the browser's row count need not match the pane's, and a `history` body is the byte stream, which carries no row alignment to protect. The geometry comparison ran on all three, so it fired most often on the one response it cannot help: `_fullHistoryLoaded` is empty on the first select of every non-shell session per page, and a session whose pane a desktop tab holds too tall to ever fit then paid a second whole-scrollback capture, reset and replay on every page load and every first tab switch. `framePositionsRowsAbsolutely` gates both the captured-geometry comparison and `sizeMovedUnderLoad`. A size that moved under a byte-stream or scrollback replay is healed by xterm's own reflow plus the SIGWINCH the trailing `sendResize` already sends. A pane WIDER than the terminal damages the same frame a second way, so `captureCols` is now compared rather than only logged. `formatPaneSnapshot` paints each row out to the pane's own width, so a narrower browser wraps every painted row, and the wrap on the last one scrolls the whole frame up by a row. The terminal response no longer falls back to `session.ptyCols`/`ptyRows` when the capture reported no geometry. The cursor query is what produces the absolute addressing in the first place, so a capture that lost it returned a raw frame that was never positioned, and a byte-history response was never positioned either. Naming the session's own PTY size there described a frame that does not exist and invited a repair for damage that is not present. `_ptyCols` is also written only by `resize()` while the PTY is spawned at the size queried from tmux, so it can be wrong on its own terms. Both fields are now absent instead, and the `Session` getters added for that fallback go with it. Two browser cases cover the new behaviour and each fails without its fix: a `mux-full-history` response with both dimensions mismatched asserts one fetch (two without the gate), and a `mux-visible` response wider than the terminal but short enough to fit asserts two (one without the width comparison). Corrects a claim in the comment above `capturedGeometry` in tmux-manager.ts. Both replay paths do not address rows absolutely; the full-history one ends in a relative move, which is the whole reason the gate is right. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Changesets
Hello and welcome! This folder has been automatically generated by @changesets/cli, a build tool that works
with multi-package repos, or single-package repos to help you version and publish your code. You can find
the full documentation for it in the repository.
What is a changeset?
A changeset is a piece of information about changes made in a branch or commit. It holds three bits of information:
- What packages need to be released
- What semver bump type each package should receive (major / minor / patch)
- A summary of the changes
How do I create a changeset?
Run npx changeset or create a .md file in this directory with the following format:
---
"codeman": patch
---
Description of changes
The frontmatter specifies which package(s) to bump and the bump type. The body is the changelog entry.