Run 11: satiation and quarry return - clean two-year stability

Granary satiation: hunger scars motivate storage only until town
capacity could carry a winter (pop x 45); sprawl of ~10 granaries falls
to the sated level. Quarry return: packs stuck with undroppable stone
after rebuilds made starving porters; unneeded stone goes back to the
quarry (matter conserved, packs unclogged).

Also corrects the record: run 10's zero-ruin year-2 claim came from
CSV contamination by orphaned headless child processes (console wrapper
kills didn't kill the tree). Clean verified result now: year-1
catastrophe and rebuild, then year-2 at 0.77 nourishment, zero new
ruins, 100% condition, textbook granary sawtooth.

Open in FINDINGS: accessible stone exhaustion plateaus housing below
population - a Phase 3 economy question (deeper quarrying, stockpiles).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

FINDINGS.md

@@ -205,18 +205,34 @@ villager-days) but could not get it, twice over:
    gathering touches only what regrows, and packs may only shed what the
    land replaces. Minerals are mined on purpose and conserved.*
 
-**Verified (260-day headless run):** year-1 winter still wrecks the naive
-town — then it rebuilds within 20 days, the famine survivors found the
-first granaries (memory, as designed), storage grows through autumn, and
-**year-2 winter passes with zero ruins** on granary reserves. The town
-now has a history: naive youth, catastrophe, learning, resilient
-maturity. Organic civilization works end-to-end.
+**Correction:** run 10's original "zero year-2 ruins" claim was
+contaminated — the headless console wrapper orphaned child sim processes
+that kept writing to later runs' CSVs. (Instrumentation lesson: kill
+process trees; distrust out-of-order data.) Clean reruns showed the
+recovery loop worked but the town *cycled* — collapse each winter,
+rebuild each spring — with chronic post-famine hunger.
 
-Remaining tuning (non-blocking): granary sprawl (hunger-scarred souls
-keep founding storage — ~10 granaries by day 200; needs a satiation
-rule), and chronically low average nourishment in the post-famine years
-(likely endless granary-stocking labor crowding out comfort — related to
-sprawl).
+## Run 11 — Enough, and the stone-mules: clean stability
+
+Two fixes closed it: **granary satiation** (hunger scars motivate
+storage only until the town's capacity could carry a winter — enough is
+a real quantity; sprawl of ~10 granaries fell to the sated level), and
+**quarry return** (villagers whose packs filled with undroppable stone
+after rebuilds became starving porters, unable to gather food while
+carrying a house on their backs; unneeded stone now goes back to the
+quarry).
+
+**Clean verified result:** year-1 catastrophe and rebuild as before;
+then year-2 nourishment steady at 0.77, **year-2 winter with zero new
+ruins and 100% condition**, textbook granary sawtooth (1,200 → 0 →
+refilled). Organic civilization: naive youth, catastrophe, learning,
+stable maturity — now on trustworthy data.
+
+Open (Phase 3 economy, not a bug): accessible stone ran dry during the
+rebuild (construction + quarry-return overflow at full nodes + selfish
+hoards), so housing plateaus below population — a stable, fed town with
+a permanently under-roofed minority. Wants deeper quarrying/metal and
+real stockpiles.
 
 ---