docs: add executable code walkthrough#4929
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Add a showboat-powered walkthrough.md that traces the celestia-node codebase from binary entry point through startup, DI wiring, and each major subsystem. All code blocks are executable and verifiable via `uvx showboat verify walkthrough.md`. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4929 +/- ##
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- Coverage 44.83% 34.91% -9.93%
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Files 265 314 +49
Lines 14620 21785 +7165
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+ Hits 6555 7606 +1051
- Misses 7313 13170 +5857
- Partials 752 1009 +257 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Rebuild the walkthrough from scratch against upstream/main which no longer has Full nodes. Key corrections: - Only Bridge and Light node types exist - DAS module no longer takes node.Type or uses ServiceBreaker - Header module uses FanoutOnly for Bridge subscriber - State module uses TxClient directly, no fraud ServiceBreaker - Core module has RoutingExchange with P2P fallback - Share module uses bridgeGetter (not bridgeAndFullGetter) - Pruner only has Bridge and Light cases Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
walkthrough.mdthat traces the celestia-node codebase linearly from binary entry point through startup, DI wiring, and each major subsystem (P2P, headers, core, shares, DAS, blobs, state, fraud, RPC, pruning)uvx showboat verify walkthrough.mdTest plan
uvx showboat verify walkthrough.mdand confirm exit code 0🤖 Generated with Claude Code