A's finalization (ledger #1), the round's spine. Every filed R18/R19 finding resolved; the tag is F's.
- Fragmentation (D's finding; Fable ruled, A owns details). The naive real graph fragmented (katoomba 105
components, 58% street-metres on islands). plan_osm.buildRealRoads now: (a) JUNCTION-PROTECTED
Douglas-Peucker — a point shared by >=2 ways is a junction; simplify only BETWEEN junctions, never
through one (the collinear tee-off drop, the root cause) → 94-100% main-net alone; (b) cull/bridge —
main component + near-fragments joined (JOIN_TOL 12m; shop-island bridge <=200m), far SHOPLESS islands
culled. Result: 1 connected component on all 5 towns (katoomba 100% main-net, 2 islands culled). Every
dropped shop COUNTED in norm.dropped (ruling): katoomba 19/20 (1 crowd drop — R18 overflow prediction
measured), the other four kept all.
- E's poster-clearance finding fixed (gigs.js): a spine poster overhanging a real crossing carriageway is
skipped, measured exactly as the selfcheck kerb floor — a NO-OP on synthetic (gig golden frozen, pr()
consumed before the check). 23 real-town clearance failures → 0.
- Goldens pinned (A->E->A finalization): all 5 real towns on their real-roads output (katoomba 0xb7ffbca2,
newtown 0x6f984c81, fremantle 0xfb197000, bendigo 0x21179b3b, castlemaine 0x7c47f639). synthetic
0x3fa36874 / gig 0xb1d48ea1 / marched fixtures / classic / default FROZEN — the alpha changed nothing
outside the cache-schema path. selfcheck ALL GREEN 51670/51670; scaffold + consistency GREEN. Cross-
process deterministic.
- New finding filed (beta, non-blocking): spine-poster density scales with edges (katoomba 438 vs ~14
synthetic; draws low via instancing) → a beta posters-per-town cap.
Handshake fired → B/C/D/F: katoomba_real boots real roads, golden pinned, findings resolved.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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