v0.19.0

• trim comments and docs to what a reader needs, reword a few hints
• show the keys that finish a half-typed chord in the which-key panel
• fix the language review findings: preselected picker, session picks yield to saves, file view reloads in place, stale marks cleared
• highlight files by name prefix, template suffix and shebang, and set a file's language with gl
• change a list's grouping with t only while that list has the keyboard
• fix the mouse review findings: menu on palette commands, no fold on right-click, keep every draft
• add a right-click and hold menu, clickable tabs and folders, and keep a draft on an outside click
• open several projects as tabs over one MCP server; wrap comment drafts by word at full width
• fix the review findings: shared author colours, one fold rule, oid-checked PR checkout
• name missing tools in the showcase script and re-record the theme shots
• reword the walkthrough and mcp docs in plain terms
• match command palette queries from word starts
• fetch a GitLab merge request from its own head ref

Full changelog: v0.18.0...v0.19.0