succinctly

Testing patterns and anti-patterns for this codebase. Use when writing tests, reviewing test coverage, or debugging test failures. Triggers on terms like "test", "assert", "coverage", "test suite", "regression".

YAML semi-indexing implementation details and debugging patterns. Use when working on YAML parsing, semi-index construction, or cursor navigation. Triggers on terms like "YAML index", "YAML parser", "sequence item", "block sequence", "YAML cursor".

Review Architecture Decision Records (ADRs) for structural accuracy, project conformance, and software engineering best practice. Works with existing project ADRs and with proposed ADRs from issues or other sources. Triggers on terms like "review ADR", "check ADR", "evaluate ADR", "ADR review".

Update the ADR inventory table in docs/adrs/README.md by scanning all adr-*.md files, extracting their title, status, and date. Use when a new ADR is added or an existing ADR's status or title has changed.

Update the docs/ knowledge wiki when adding or changing data structures, modules, optimizations, SIMD paths, or paper references. Triggers on "knowledge map", "wiki", "update wiki", "add to wiki".

Best practices for writing and structuring Claude Code skills. Use when creating new skills, improving existing skills, or asking how to structure a SKILL.md file.

Manages benchmark documentation across multiple platforms. Use when updating benchmark results, adding performance data, or documenting jq comparison benchmarks. Triggers on terms like "benchmark", "performance", "jq comparison", "benchmark results", "update benchmarks".

Bit-level optimization patterns for succinct data structures. Use when optimizing rank/select, popcount, or balanced parentheses operations. Triggers on terms like "rank", "select", "popcount", "bit manipulation", "lookup table", "optimization".

Analyze git commits and generate better commit messages based on actual changes. Use when amending commit messages, reviewing commit quality, or writing commits. Triggers on terms like "commit message", "amend commit", "fix commits", "reword commits".

JSON semi-indexing implementation details and patterns. Use when working on JSON parsing, semi-index construction, or cursor navigation. Triggers on terms like "JSON index", "semi-index", "interest bits", "balanced parentheses", "JSON cursor".

SIMD optimization patterns and learnings for x86_64 and ARM. Use when implementing SIMD code, optimizing vectorized operations, or debugging SIMD issues. Triggers on terms like "SIMD", "AVX", "SSE", "NEON", "vectorization", "intrinsics".

Formats markdown tables with fixed-width columns for consistent alignment. Use when creating tables, reformatting existing tables, or ensuring table readability. Triggers on terms like "format table", "align table", "fix table", "table columns", "markdown table".