docs: add XZBT project page and initial development log

2026-09-04 20:32:33 -07:00
parent 7b2e486095
commit ca2830174f
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+_model: devlog
+---
+schema_version: 1
+---
+title: XZBT development log
+---
+summary: Design decisions, feasibility experiments, implementation milestones, and verified limits from the development of XZBT.