solana-tx-debugger-skill as external skill submodule

[thesithunyein]

What

Adds solana-tx-debugger-skill as a new external skill submodule under ext/solana-tx-debugger.

Why

Failed Solana transactions are the #1 developer pain point — opaque error codes, nested CPI failures, compute budget exhaustion, and ALT/versioned tx issues are hard to diagnose without deep program knowledge. This skill gives Claude Code the domain expertise to:

• Decode the real error models: Anchor framework codes (constraints 2000+, accounts 3000+) and user-defined #[error_code] errors starting at 6000 — plus SPL Token, Token-2022, and System program enums
• Identify root cause from program logs, CPI depth, and compute usage
• Prescribe concrete fixes with runnable code snippets (22+ real-world recipes)
• Guide compute budget optimization, ALT creation, and pre-send simulation

Accuracy

Error codes are verified against the actual program enums (anchor_lang::error::ErrorCode, spl_token::error::TokenError, System SystemError) — including the common pitfall that Anchor uses no 0x1000 offset. The same decoding engine powers the live demo, so reviewers can verify accuracy in-browser.

Structure

Follows the same progressive markdown structure as solana-game-skill:

• skill/SKILL.md — entry point with routing to 8 sub-skills
• skill/recipes.md — 22+ error → cause → fix recipes (the core differentiator)
• agents/tx-debugger.md — agent persona
• commands/debug-tx.md — /debug-tx <signature> command
• install.sh / install-custom.sh — standard install scripts

Demo

Live demo: solana-explainer.vercel.app

License

MIT

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