Trees: 4 growth stages (Sapling→Young→Growing→Mature), only Mature
yields wood. WildGrowth ticker fires every in-game hour; rejection-
samples grass tiles and plants a sapling with ~30% probability (capped
at MAP_TREE_LIMIT=60). New `paint_plant_tree` designation lets the
player manually plant — ghost sapling registered as a build_site that
ConstructionProvider fulfils. Stage round-trips through save/load.
Initial seed mixes 4 saplings + 6 mature so growth is visible day 1.
Quarry: new BigRockNode entity (2×2 permanent stone outcrop, never
depletes). 3 nodes seeded far from cabin. New QuarryWorkbench
(extends Workbench, auto-FOREVER `quarry_stone` bill, recipe drops
1 stone per 300 work-ticks). New `paint_quarry` designation only
accepts BigRockNode tiles. CraftingProvider now supports recipes
with `ingredient_count == 0` — skips ingredient-fetch and goes
straight to walk+craft toils. Recipe gains `ingredient_count` field
(defaults 0). Save/load layering: big_rock_node spawns at priority 0
(same as rock/tree), quarry_workbench at priority 2 (after the node).
UI: Plant tree + Build quarry buttons added to Build drawer.
build_drawer_thumb gains `plant_tree` (sapling sprout in dirt) and
`paint_quarry` (stone block + chisel + cut-stone pile) shapes.
inspect_tooltip recognises BigRockNode + shows tree growth stage on
hover.
Delegation: gdscript-refactor (Sonnet ×2) for trees full impl +
quarry skeleton; quick-edit (Haiku) for CraftingProvider no-ingredient
plumbing + TopBar polish; integration handled on Opus.
megaproxy
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