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root_dir was computed once, at startup, against whatever buffer happened to be current — freezing one path for the session and breaking lspconfig's local-binary lookup, which reads config.root_dir. Everything overridden here is already handled better upstream: cmd prefers the project-local biome, root_dir is monorepo-aware and resolved per buffer, the filetypes list is wider, and the server only attaches where a biome config applies. Only the formatting opt-out stays, since conform owns that. Also adds virtual_lines for the line under the cursor, which pairs with the existing virtual_text = false. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>