Round 7: The Deepest Architecture Yet

• Source ID: src-20260409-6913a0b93c8b
• Kind: analysis
• Scope: shared
• Origin: community-analysis
• Raw path: sources/raw/round-7-the-deepest-architecture-yet__src-20260409-6913a0b93c8b.md
• Status: active

Summary

Community analysis document covering Claude Code architecture, internals, and leak analysis. See extracted entities and claims below.

Tags

architecture core-loop query-engine

Extracted entities

• yoloClassifier.ts (file): Auto-mode safety classifier. Evaluates every tool call against user-configurable
• Claude Code (product): Anthropic's CLI coding agent. 512K+ lines of TypeScript. The leaked codebase rev
• StreamingToolExecutor (service): Concurrency system inside query.ts Stage 2 that enables parallel execution of re
• QueryEngine.ts (file): The 1,295-line session supervisor above query.ts. Manages transcript recording,
• Compaction Pipeline (service): Five-tier context compaction system that manages token budget before API calls.
• query.ts (file): The 1,729-line core agentic loop of Claude Code. An async generator that governs

Extracted claims

• [constraint] 150K compaction threshold bug
• [lesson] Compaction laundering attack vector
• [fact] Compaction pipeline has 5 tiers
• [fact] query.ts 9 typed exit paths
• [fact] query.ts 6-stage pipeline
• [fact] Parallel read-only tool execution during generation

Extracted relations

• query.ts --[contains]--> StreamingToolExecutor
• query.ts --[uses]--> Compaction Pipeline
• Claude Code --[contains]--> yoloClassifier.ts
• QueryEngine.ts --[owns]--> query.ts
• Claude Code --[contains]--> query.ts