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TTF-DOOM - raycaster in TrueType hinting bytecode

A raycasting engine implemented entirely inside the TrueType font hinting VM. Player coordinates come from font variation axes and the rendered frame is the glyph outline.

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82 docs and 15 diagrams mapping every major subsystem of Claude Code's accidentally exposed 512K-line TypeScript source - YOLO classifier, 93% context compaction, prompt-cache layout, 88+ feature flags, the custom React-Fiber terminal renderer.

Why I saved this - Useful primary source for anyone building a coding agent - the YOLO two-stage classifier, the cache-busting after MCP instructions, and the 6 compaction strategies are the bits nobody else has documented.