docs: advertise Hybrid LSP support for Ruby

Makefile.cbm

@@ -579,6 +579,7 @@ TEST_CS_LSP_SRCS = tests/test_cs_lsp.c
 TEST_CS_LSP_BENCH_SRCS = tests/test_cs_lsp_bench.c
 
 TEST_PERL_LSP_SRCS = tests/test_perl_lsp.c
+TEST_RUBY_LSP_SRCS = tests/test_ruby_lsp.c
 
 TEST_SCOPE_SRCS = tests/test_scope.c
 
@@ -701,7 +702,7 @@ TEST_REPRO_SRCS = \
     tests/repro/repro_lsp_java_cs.c \
     tests/repro/repro_lsp_kt_php_rust.c
 
-ALL_TEST_SRCS =$(TEST_FOUNDATION_SRCS) $(TEST_EXTRACTION_SRCS) $(TEST_STORE_SRCS) $(TEST_CYPHER_SRCS) $(TEST_MCP_SRCS) $(TEST_DAEMON_SRCS) $(TEST_DISCOVER_SRCS) $(TEST_GRAPH_BUFFER_SRCS) $(TEST_PIPELINE_SRCS) $(TEST_WATCHER_SRCS) $(TEST_LZ4_SRCS) $(TEST_ZSTD_SRCS) $(TEST_ARTIFACT_SRCS) $(TEST_SQLITE_WRITER_SRCS) $(TEST_GO_LSP_SRCS) $(TEST_C_LSP_SRCS) $(TEST_PHP_LSP_SRCS) $(TEST_CS_LSP_SRCS) $(TEST_CS_LSP_BENCH_SRCS) $(TEST_PERL_LSP_SRCS) $(TEST_SCOPE_SRCS) $(TEST_TYPE_REP_SRCS) $(TEST_PY_LSP_SRCS) $(TEST_PY_LSP_BENCH_SRCS) $(TEST_PY_LSP_STRESS_SRCS) $(TEST_PY_LSP_SCALE_SRCS) $(TEST_TS_LSP_SRCS) $(TEST_JAVA_LSP_SRCS) $(TEST_KOTLIN_LSP_SRCS) $(TEST_RUST_LSP_SRCS) $(TEST_TRACES_SRCS) $(TEST_CLI_SRCS) $(TEST_MEM_SRCS) $(TEST_UI_SRCS) $(TEST_HTTPD_SRCS) $(TEST_SECURITY_SRCS) $(TEST_YAML_SRCS) $(TEST_SEMANTIC_SRCS) $(TEST_AST_PROFILE_SRCS) $(TEST_SLAB_ALLOC_SRCS) $(TEST_SIMHASH_SRCS) $(TEST_STACK_OVERFLOW_SRCS) $(TEST_INTEGRATION_SRCS)
+ALL_TEST_SRCS =$(TEST_FOUNDATION_SRCS) $(TEST_EXTRACTION_SRCS) $(TEST_STORE_SRCS) $(TEST_CYPHER_SRCS) $(TEST_MCP_SRCS) $(TEST_DAEMON_SRCS) $(TEST_DISCOVER_SRCS) $(TEST_GRAPH_BUFFER_SRCS) $(TEST_PIPELINE_SRCS) $(TEST_WATCHER_SRCS) $(TEST_LZ4_SRCS) $(TEST_ZSTD_SRCS) $(TEST_ARTIFACT_SRCS) $(TEST_SQLITE_WRITER_SRCS) $(TEST_GO_LSP_SRCS) $(TEST_C_LSP_SRCS) $(TEST_PHP_LSP_SRCS) $(TEST_CS_LSP_SRCS) $(TEST_CS_LSP_BENCH_SRCS) $(TEST_PERL_LSP_SRCS) $(TEST_RUBY_LSP_SRCS) $(TEST_SCOPE_SRCS) $(TEST_TYPE_REP_SRCS) $(TEST_PY_LSP_SRCS) $(TEST_PY_LSP_BENCH_SRCS) $(TEST_PY_LSP_STRESS_SRCS) $(TEST_PY_LSP_SCALE_SRCS) $(TEST_TS_LSP_SRCS) $(TEST_JAVA_LSP_SRCS) $(TEST_KOTLIN_LSP_SRCS) $(TEST_RUST_LSP_SRCS) $(TEST_TRACES_SRCS) $(TEST_CLI_SRCS) $(TEST_MEM_SRCS) $(TEST_UI_SRCS) $(TEST_HTTPD_SRCS) $(TEST_SECURITY_SRCS) $(TEST_YAML_SRCS) $(TEST_SEMANTIC_SRCS) $(TEST_AST_PROFILE_SRCS) $(TEST_SLAB_ALLOC_SRCS) $(TEST_SIMHASH_SRCS) $(TEST_STACK_OVERFLOW_SRCS) $(TEST_INTEGRATION_SRCS)
 
 
 # ── Build directories ────────────────────────────────────────────

README.md

@@ -5,7 +5,7 @@
 [![CI](https://img.shields.io/github/actions/workflow/status/DeusData/codebase-memory-mcp/dry-run.yml?label=CI)](https://github.com/DeusData/codebase-memory-mcp/actions/workflows/dry-run.yml)
 [![Tests](https://img.shields.io/badge/tests-6768_passing-brightgreen)](https://github.com/DeusData/codebase-memory-mcp)
 [![Languages](https://img.shields.io/badge/languages-158-orange)](https://github.com/DeusData/codebase-memory-mcp)
-[![Hybrid LSP](https://img.shields.io/badge/Hybrid_LSP-10_languages-blue)](#hybrid-lsp)
+[![Hybrid LSP](https://img.shields.io/badge/Hybrid_LSP-11_languages-blue)](#hybrid-lsp)
 [![Agents](https://img.shields.io/badge/agent_surfaces-43-purple)](https://github.com/DeusData/codebase-memory-mcp)
 [![Pure C](https://img.shields.io/badge/pure_C-no_language_runtime-blue)](https://github.com/DeusData/codebase-memory-mcp)
 [![Platform](https://img.shields.io/badge/macOS_%7C_Linux_%7C_Windows-supported-lightgrey)](https://github.com/DeusData/codebase-memory-mcp/releases/latest)
@@ -16,7 +16,7 @@
 
 **The fastest and most efficient code intelligence engine for AI coding agents.** Full-indexes an average repository in milliseconds, the Linux kernel (28M LOC, 75K files) in 3 minutes. Answers structural queries in under 1ms. Ships as a native executable with a small verified runtime-asset set for macOS, Linux, and Windows — download, run `install`, done.
 
-High-quality parsing through [tree-sitter](https://tree-sitter.github.io/tree-sitter/) AST analysis across all 158 languages, enhanced with [**Hybrid LSP** semantic type resolution](#hybrid-lsp) for Python, TypeScript / JavaScript / JSX / TSX, PHP, C#, Go, C, C++, Java, Kotlin, Rust, and Perl — producing a persistent knowledge graph of functions, classes, call chains, HTTP routes, and cross-service links. 15 MCP tools. No language runtime, hosted service, or API key. Plug and play across 43 supported automatic/conditional client surfaces.
+High-quality parsing through [tree-sitter](https://tree-sitter.github.io/tree-sitter/) AST analysis across all 158 languages, enhanced with [**Hybrid LSP** semantic type resolution](#hybrid-lsp) for Python, TypeScript / JavaScript / JSX / TSX, PHP, C#, Go, C, C++, Java, Kotlin, Rust, Ruby, and Perl — producing a persistent knowledge graph of functions, classes, call chains, HTTP routes, and cross-service links. 15 MCP tools. No language runtime, hosted service, or API key. Plug and play across 43 supported automatic/conditional client surfaces.
 
 > **Research** — The design and benchmarks behind this project are described in the preprint [*Codebase-Memory: Tree-Sitter-Based Knowledge Graphs for LLM Code Exploration via MCP*](https://arxiv.org/abs/2603.27277) (arXiv:2603.27277). Evaluated across 31 real-world repositories: 83% answer quality, 10× fewer tokens, 2.1× fewer tool calls vs. file-by-file exploration.
 
@@ -227,7 +227,7 @@ The install script placed beside the binary is **reported, not deleted** — uni
 - **158 vendored tree-sitter grammars** compiled into the binary
 - **Generic package / module resolution** — bare specifiers like `@myorg/pkg`, `github.com/foo/bar`, `use my_crate::foo` resolved via manifest scanning (`package.json`, `go.mod`, `Cargo.toml`, `pyproject.toml`, `composer.json`, `pubspec.yaml`, `pom.xml`, `build.gradle`, `mix.exs`, `*.gemspec`)
 - **Infrastructure-as-code indexing** — Dockerfiles, Kubernetes manifests, Kustomize overlays as graph nodes
-- **[Hybrid LSP semantic type resolution](#hybrid-lsp)** for Python, TypeScript / JavaScript / JSX / TSX, PHP, C#, Go, C, C++, Java, Kotlin, Rust, and Perl — a lightweight C implementation of language type-resolution algorithms, structurally inspired by and compatible with major language servers including tsserver / typescript-go, pyright, gopls, Roslyn, Eclipse JDT, and rust-analyzer (parameter binding, return-type inference, generic substitution, JSX component dispatch, JSDoc inference for plain JS files, namespace + trait + late-static-binding resolution for PHP, file-scoped namespaces + records + LINQ method syntax for C#, class-hierarchy + overload + lambda resolution for Java, extension-function + scope-function resolution for Kotlin, trait-method + UFCS resolution for Rust)
+- **[Hybrid LSP semantic type resolution](#hybrid-lsp)** for Python, TypeScript / JavaScript / JSX / TSX, PHP, C#, Go, C, C++, Java, Kotlin, Rust, Ruby, and Perl — a lightweight C implementation of language type-resolution algorithms, structurally inspired by and compatible with major language servers including tsserver / typescript-go, pyright, gopls, Roslyn, Eclipse JDT, and rust-analyzer (parameter binding, return-type inference, generic substitution, JSX component dispatch, JSDoc inference for plain JS files, namespace + trait + late-static-binding resolution for PHP, file-scoped namespaces + records + LINQ method syntax for C#, class-hierarchy + overload + lambda resolution for Java, extension-function + scope-function resolution for Kotlin, trait-method + UFCS resolution for Rust)
 - **RAM-first pipeline**: LZ4 compression, in-memory SQLite, single dump at end. Memory released after.
 
 ### Distribution & operation
@@ -750,6 +750,7 @@ codebase-memory-mcp ships a **lightweight C implementation of language type-reso
 | **Java** *(new in v0.8.0)* | imports (single-type, on-demand, static), class hierarchies with `this` / `super` dispatch, generics, annotations, overload matching by arity and parameter types, lambdas / method references bound to functional interfaces, field-type inference, common JDK stdlib |
 | **Kotlin** *(new in v0.8.0)* | imports + same-package resolution, classes / objects / companion objects, extension functions, data classes, nullable-type unwrapping, scope functions (`let` / `apply` / `run` / `also` / `with`), infix calls, common stdlib |
 | **Rust** *(new in v0.8.0)* | `use` declarations + module paths, `impl` blocks and trait methods, struct fields, generics with trait bounds, operator-trait desugaring, derive-macro method synthesis, UFCS static paths, common std prelude |
+| **Ruby** | class/module lexical nesting (`A::B` constant resolution), superclass chains, `include` / `prepend` / `extend` mixins with Ruby method-lookup order, `def self.m` singleton vs instance method split, `Const.new` constructor typing (edge lands on the class like Python's `lsp_constructor`), implicit/explicit `self` dispatch, `super`, instance-variable types inferred from `@x = Const.new`, local-variable typing through assignments and call chains, curated core stdlib + Rails surface (ActiveRecord query typing: `User.find(1)` is a `User`; relation chains keep the model type); dynamic dispatch (`send`, `method_missing`, `define_method`) and unresolved receivers emit no edge (zero-edge guarantee) |
 | **Perl** | packages + `@ISA` / `use parent` / `use base` inheritance with method-resolution-order dispatch, `SUPER::` calls, Exporter (`use Foo qw(...)`) import maps, `bless` / `ref($class)\|\|$class` self-type inference, qualified `Pkg::sub` static calls, curated perlfunc + CPAN OOP stdlib; unresolved receivers emit no edge (zero-edge guarantee) |
 
 **Two-layer architecture:**

internal/cbm/cbm.c

@@ -8,6 +8,7 @@
 #include "lsp/php_lsp.h"
 #include "lsp/perl_lsp.h"
 #include "lsp/py_lsp.h"
+#include "lsp/ruby_lsp.h"
 #include "lsp/ts_lsp.h"
 #include "lsp/cs_lsp.h"
 #include "lsp/java_lsp.h"
@@ -1320,6 +1321,9 @@ CBMFileResult *cbm_extract_file_ex(const char *source, int source_len, CBMLangua
         if (language == CBM_LANG_PERL) {
             cbm_run_perl_lsp(a, result, source, source_len, root);
         }
+        if (language == CBM_LANG_RUBY) {
+            cbm_run_ruby_lsp(a, result, source, source_len, root);
+        }
         if (language == CBM_LANG_PYTHON) {
             cbm_run_py_lsp(a, result, source, source_len, root);
         }