Redacted excerpt; full evidence withheld. $ pwd && rg --files -g 'README*' -g 'pyproject.toml' -g 'package.json' -g 'Makefile' -g 'Dockerfile*' -g 'AGENTS.md' -g '.github/**' | head -80 && sed -n '1,240p' README.md && python3 --version && id -u exit: 0 the tree-sitter grammars recognize gets a `merge=weave` line automatically, with no hand-maintained list to fall behind. Each language on it passes a five-scenario merge sweep (two sides adding different definitions merges clean, two sides rewriting the same definition conflicts, and nothing is dropped) in `crates/weave-core/tests/language_coverage.rs`, and a separate parity test (`crates/weave-core/tests/setup_extension_coverage.rs`) fails the build if a newly added grammar is ever left unclaimed and undeclined. INI files (`*.ini`, `*.cfg`) have no grammar but are claimed too [excerpt truncated]