Structured archive of the night's 11 completed tasks (#5-#13,#16-#18 + audio fix) —
grader/tierlist/correlation/finder/naming/merge, with the load-bearing learnings and
measured numbers (ρ=0.34, recall 0.27→0.34, the 56min→coarse-to-fine + silent-window
∞ + PLP-octave + HTTP/1.0-audio gotchas). Blog/video source material; the board now
shows only live work (#19 auto-tune, #20 batch-explore).