feat: C# and Ruby parsers behind an optional cgh[langs] extra#72
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Ship .cs and .rb parsers behind a new `langs` optional extra (tree-sitter-c-sharp, tree-sitter-ruby), kept out of the core deps so the base install stays lean and 3.14-safe. - csharp.py: classes/interfaces/structs/enums/records, methods and constructors, using directives as imports, invocation and object creation as calls. Handles block and file-scoped namespaces. - ruby.py: classes and modules, def and def self. methods, require / require_relative as imports, method calls. - _discover_parsers now skips an optional-grammar module when its grammar package is absent, so cgh behaves exactly as before when the extra is not installed. Real import errors in hard-dep parsers still propagate. - Tests guarded with importorskip so they skip without the extra; with it installed they run (195 passed across test_parsers + test_indexer).
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FEAT-13. C#/Ruby tree-sitter parsers shipped as an optional
langsextra so the core install stays lean and 3.14-safe.parsers/csharp.py(.cs) — classes/interfaces/structs/enums/records, methods + ctors,usingimports, invocation/object-creation calls; handles block + file-scoped namespaces.parsers/ruby.py(.rb) — classes/modules, def / def self. methods, require/require_relative/load imports, calls.pyproject.toml— newlangsoptional group (tree-sitter-c-sharp,tree-sitter-ruby), NOT in core deps.uv.lockregenerated.parsers/__init__.py—_discover_parsersskips an optional-grammar module (csharp/ruby) on ImportError; any other import error still surfaces. Core works unchanged when the extra is absent.Both grammars verified to install on Python 3.13 and 3.14. Tests are
importorskip-guarded (skip without the extra), and ran (not skipped) with it installed: tests/test_parsers + tests/test_indexer = 195 passed.