Frontier Alignment Chapters

These chapters are the textbook-style companion to the live frontier lessons. Use them for independent reading, review, and pre-research orientation.

1. Current Frontier and Static 2D Barrier
2. Quantum Tanner Explicit-Family Stack
3. Stabilizer Cut Rank and Submodular CD
4. Intrinsic Matroid and Route-D Frontier

The chapters summarize the same source-backed state as the lessons. They do not replace the active-recall diagnostics or the assessment rubric.