Add bender kg command and knowledge graph subsystem#306
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…igns Introduces the `bender kg` command and six supporting crates: - bender-kg-models: IR types (ModuleData, PortInfo, ParamInfo, InstantiationInfo, …) - bender-kg-extract: SystemVerilog → IR extraction pipeline via bender-slang - bender-kg-store: Grafeo-backed graph + HNSW vector + BM25 text store - bender-kg-similarity: dense module embeddings (Model2Vec / ONNX) - bender-kg-core: orchestration layer with typed Engine query API - bender-kg-mcp: stdio MCP server exposing all queries as MCP tools The kg subsystem supports build, incremental update, and a rich query surface (module search, hierarchy traversal, port/parameter/signal tracing, structural similarity, connectivity checks) consumable from both the CLI and AI assistants.
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bender kg command and knowledge graph subsystem
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This PR introduces a knowledge graph (KG) pipeline that parses SystemVerilog designs via
bender-slanginto a queryable graph, exposed viabender kgCLI and an MCP server for AI assistant integration.Architecture
The pipeline is split across six new crates:
bender-kg-modelsModuleData,PortInfo,ParamInfo,InstantiationInfo, …) used as the common data contract between cratesbender-kg-extractbender-slangto parse SV source files and emit structured IRbender-kg-storebender-kg-similaritybender-kg-coreEngineAPI; callers issue structured queries and get typed results backbender-kg-mcpbender-kg-corein a stdio MCP server so AI assistants can call all queries as MCP toolsQuery surface
Once the KG is built (or incrementally updated), it supports: