PROCITY/docs
m3ultra 62cbb955b1 Lane D R20 (v4.0-beta): the density A/B + correcting my own sparsity misread (ledger #7, part 2)
SELF-CORRECTION first. My part-1 note called the 95-98% patronage null rate
"sparsity-throttled" and made it the headline metric. Both halves were wrong:
(1) it was measured at 21:00, when only 4 of 69 shops are open — retail is shut BY
DESIGN, so a high night null is correct behaviour, not sparsity; (2) it sampled each
town's first venue, and katoomba's is the pub — 1000m from the retail cluster with 1
neighbour. I had parked the camera on the one isolated venue in town. Same town, same
seed: at the pub 99.4% null / 0 visits; on the actual main street 77.2% / 64 visits.
The gig-crowd table stands (it measures the mechanism — 0 NaN, rosters, venue-win —
which is location-independent); only my sparsity reading was bad.

THE REAL A/B (main street, 14:00, same seed, pre-cache from git vs E's widened):
hub density 8 -> 25 shops within 160m; null 90.2% -> 77.2%; total visits 17 -> 64
(3.8x); hero visits 17 -> 19; texture visits 0 -> 45; hero share 100% -> 30% of visits
from 26% of shops.

THE DIRECTIVE LANDS, measured from the crowd side: the secondhand heroes did NOT lose
footfall (17 -> 19). The 45 texture visits are added ON TOP, not taken from them. The
street is 3.8x busier while the heroes stay over-indexed. "More alive, not a different
game."

FILED: (a) venue placement at density — katoomba's rsl/band_room sit in the strip
(13/10 neighbours) but the pub is 1000m out with 1; a gig there has no passing retail
crowd. Quality observation, A/F's lane. (b) GIG_RANGE is a 34m radius but
_nearestOpenShop searches only the ped's own 64m chunk — 8.7% of in-range peds are
chunk-blind. Real but small; v4.x candidate, not a mid-beta hot-path change.

POST numbers are vs E's committed caches but BEFORE A's absorb (11/80 still overflow-
drop). Final re-run + the other four towns once A lands.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-16 19:34:56 +10:00
..
LANES Lane D R20 (v4.0-beta): the density A/B + correcting my own sparsity misread (ledger #7, part 2) 2026-07-16 19:34:56 +10:00
shots Lane F R19 (v4.0-alpha close): the alpha gate + roads dimension + the first real-street money shot 2026-07-16 18:07:24 +10:00
A-progress.md Lane A round 20: spine-poster cap scaled by shop count (v4.0-beta, ledger #1) 2026-07-16 18:27:29 +10:00
CITY_SPEC.md Lane A round 20: spine-poster cap scaled by shop count (v4.0-beta, ledger #1) 2026-07-16 18:27:29 +10:00
RESEARCH.md PROCITY scaffold: spec, research, 6 Opus lane prompts, core modules, vendored three r175, 69 inherited skins 2026-07-14 10:46:40 +10:00
V2_IDEAS.md Lane F: integration — interiors + keepers + street peds + QA harness 2026-07-14 14:29:03 +10:00
V3_VENUES.md Fable (integrator): v3 epoch charter — venues & gigs (John's pick) 2026-07-15 14:18:26 +10:00
V4_REAL_MAP.md Fable (integrator): v4 REAL MAP charter + round-18 instructions — v4.0-alpha REAL ROADS (katoomba_real) 2026-07-16 15:29:10 +10:00