docs: Document experimental DSP capture and replay tools Explain PR #384 availability, build and capture controls, headless comparison, seeded fuzzing, failure reduction, measured evidence and remaining issue #383 gates. Add audio/development/debugging navigation without promoting branch work to released features.
docs: add focused Linux profiling toolkit
docs: render debugging index links correctly
docs: split debugging tools into detailed guides
docs: capture recent PR engineering lessons
docs: add issue 106 lessons and transition-debugging tools
docs: add validated vCPU shortcut candidates
docs: redesign hot-path shortcut wiki hierarchy
docs: add hot-path shortcut usage guide
docs: add debugging tools and commands reference