Completes player→ecology feedback. EcologyEngine::deplete_flora_at(col,row,amount)
depletes a tile's Producer-diet (flora) populations (registry-identified);
GdFaunaEcology.deplete_flora_at exposes it; EcologyState._on_tile_improved fires
it when a flora-clearing improvement (deforestation) completes — so clear-cutting
a forest removes its flora (the terrain→grassland change also drives the gradual
die-off). With the fauna half (over-hunting → extinction), the living world now
reacts to player pressure both ways. Logic stays in mc_ecology (Rail 1).
Test: deplete_flora_at_targets_producer_species_only (mc-ecology green); dylib
rebuilt + deployed; canonical GUT 745/0 (wiring loads, no regression).
p3-19 → done. Next: p3-20 (weather→scouting).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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