fix: enforce village resource invariants

docs/FOOD_STORAGE_ARCHITECTURE.md

@@ -18,17 +18,21 @@ world only when consumed.
 
 ## Authority
 
-- `StorageStateRecord` owns pantry contents and capacity.
+- `StorageStateRecord` owns pantry and woodpile contents and capacity.
 - `SimNPC.inventory` owns carried item amounts.
 - `SimulationManager` performs deposit, withdrawal, and consumption
   transactions.
-- `village.food` is a synchronized aggregate view used by the existing UI,
-  priorities, and utility scoring. It is not a second mutation path.
+- `village.food` and `village.wood` are synchronized aggregate views used by
+  the existing UI, priorities, and utility scoring. They are not second
+  mutation paths.
 - `StorageNode` supplies the active-world interaction position and presentation
   for deposit, withdrawal, eating, and current player pantry interaction.
 
-The village pantry has stable ID `village_pantry`. Storage and NPC inventory
-are included in versioned state and deterministic checksums.
+The village pantry has stable ID `village_pantry`; the woodpile has stable ID
+`village_woodpile`. Storage and NPC inventory are included in versioned state
+and deterministic checksums. Patrol and study require one wood on completion:
+the effect is applied only when that unit can be withdrawn, and selection does
+not choose those actions while the woodpile is empty.
 
 Successful extraction, deposit, withdrawal, and consumption also append
 structured economic facts. See [the economic event stream](ECONOMIC_EVENTS.md).

docs/LEARNING_ROADMAP.md

@@ -652,14 +652,12 @@ Completed after the architecture gate:
 
 The practical next sequence is:
 
-1. Expand the structured event feed with actor/target/cause metadata so the
-   inspector can show a readable timeline per NPC. Narrative events for task
-   starts, sleep, and death are recorded; next should add depletion notices,
-   relationship seeds, and village-level event summaries filtered by relevance.
-2. Seed relationship dimensions (familiarity, trust, obligation) from shared
-   work, meal, and sleep proximity, then expose them through utility
-   considerations so NPCs begin to prefer known colleagues and familiar routes.
-   Start with one lightweight dimension before building the full graph.
+1. Move proven action preconditions and material costs into a reusable contract,
+   beginning with the patrol/study wood dependency, then expose unavailable
+   choices and interruption reasons in the NPC inspector.
+2. Grow the existing familiarity seed into one consequence-bearing relationship
+   dimension, such as trust or obligation, driven by structured events rather
+   than proximity alone.
 
 Recently completed:
 
@@ -706,7 +704,8 @@ Recently completed:
 - Wood inventory and woodpile storage: wood now follows the same
   gather→carry→deposit pattern as food. VillageWoodpile StorageNode receives
   wood deposits. Village wood syncs from storage. Economic events track all
-  transfers.
+  transfers. Patrol and study no longer produce benefits without paying their
+  one-wood cost, and utility selection avoids those actions when wood is empty.
 - Structured event feed: EconomicEventRecord now supports narrative events
   (task started, NPC slept, NPC died) alongside economic transfers.
   Per-NPC event history with human-readable descriptions exposed in the

docs/local_quality_gate.md

@@ -107,3 +107,8 @@ pip install gdtoolkit
 ```
 
 The script exits non-zero on any failure, so it will fail the CI step.
+
+The shell gate isolates Godot's cross-platform user-data paths under
+`logs/quality/godot_profile`. It also treats Godot script parse/load markers as
+failures because headless Godot can report those errors while returning a zero
+process exit code.

simulation/SimulationManager.gd

@@ -271,11 +271,11 @@ func simulate_tick() -> void:
 			):
 				village.apply_npc_task(npc)
 			elif completed_task == SimulationIds.ACTION_PATROL:
-				_consume_wood_for_work(npc, completed_task)
-				village.apply_npc_task(npc)
+				if _consume_wood_for_work(npc, completed_task):
+					village.apply_npc_task(npc)
 			elif completed_task == SimulationIds.ACTION_STUDY:
-				_consume_wood_for_work(npc, completed_task)
-				village.apply_npc_task(npc)
+				if _consume_wood_for_work(npc, completed_task):
+					village.apply_npc_task(npc)
 			elif debug_logs:
 				print(
 					"[SimulationManager] ",
@@ -711,23 +711,27 @@ func deposit_npc_wood(npc: SimNPC) -> float:
 	return deposited
 
 
-func _consume_wood_for_work(npc: SimNPC, action_id: StringName) -> void:
+func _consume_wood_for_work(npc: SimNPC, action_id: StringName) -> bool:
 	var woodpile := get_woodpile()
 	if woodpile == null:
-		return
+		return false
+	if woodpile.get_amount(SimulationIds.RESOURCE_WOOD) < 1.0:
+		return false
 	var consumed := woodpile.withdraw(SimulationIds.RESOURCE_WOOD, 1.0)
 	_sync_village_wood()
-	if consumed >= 1.0:
-		_record_economic_event(
-			SimulationIds.EVENT_ITEM_CONSUMED,
-			npc.id,
-			SimulationIds.STORAGE_VILLAGE_WOODPILE,
-			&"consumed",
-			SimulationIds.RESOURCE_WOOD,
-			consumed
-		)
-		if debug_logs:
-			print("[SimulationManager] %s consumed wood for %s" % [npc.npc_name, action_id])
+	if consumed < 1.0:
+		return false
+	_record_economic_event(
+		SimulationIds.EVENT_ITEM_CONSUMED,
+		npc.id,
+		SimulationIds.STORAGE_VILLAGE_WOODPILE,
+		&"consumed",
+		SimulationIds.RESOURCE_WOOD,
+		consumed
+	)
+	if debug_logs:
+		print("[SimulationManager] %s consumed wood for %s" % [npc.npc_name, action_id])
+	return true
 
 
 func withdraw_to_npc(npc: SimNPC, item_id: StringName, amount: float) -> float:
@@ -898,7 +902,14 @@ func add_food(amount: float) -> void:
 
 
 func add_wood(amount: float) -> void:
-	village.apply_resource_delta(&"wood", amount)
+	var woodpile := get_woodpile()
+	if woodpile == null:
+		return
+	if amount >= 0.0:
+		woodpile.deposit(SimulationIds.RESOURCE_WOOD, amount)
+	else:
+		woodpile.withdraw(SimulationIds.RESOURCE_WOOD, -amount)
+	_sync_village_wood()
 	village_changed.emit(village)
 
 

simulation/actions/ActionSelectionSystem.gd

@@ -16,6 +16,7 @@ const DINNER_BEGIN := 0.7
 const DINNER_END := 0.8
 const WORK_BEGIN := 0.28
 const WORK_END := 0.85
+const UNAVAILABLE_ACTION_SCORE := -1000000.0
 
 
 func select_action(npc: SimNPC, village: SimVillage, time_of_day: float = 0.5, all_npcs: Array = []) -> ActionSelectionResult:
@@ -181,6 +182,9 @@ func _choose_best_work_action(npc: SimNPC, village: SimVillage, all_npcs: Array)
 			0.75
 		)
 	}
+	if village.wood < 1.0:
+		scores[SimulationIds.ACTION_PATROL] = UNAVAILABLE_ACTION_SCORE
+		scores[SimulationIds.ACTION_STUDY] = UNAVAILABLE_ACTION_SCORE
 	for familiar_id in npc.familiarity:
 		if not familiar_id is int:
 			continue

tests/action_system_boundaries_test.gd

@@ -68,6 +68,20 @@ func _test_selection_and_execution_are_separate() -> void:
 		work_selection.scores.size() == 4,
 		"Ordinary work selection should expose all compared utility scores"
 	)
+	var guard := SimNPC.new(701, "BoundaryGuard", SimulationIds.PROFESSION_GUARD, 5.0, 5.0)
+	guard.hunger = 20.0
+	guard.energy = 80.0
+	village.food = 100.0
+	village.wood = 0.0
+	village.safety = 0.0
+	village.knowledge = 100.0
+	village.update_modifiers()
+	village.update_priorities()
+	var unfunded_selection := selector.select_action(guard, village, 0.5)
+	_check(
+		unfunded_selection.action_id == SimulationIds.ACTION_GATHER_WOOD,
+		"A guard should gather wood instead of selecting patrol when its material cost is unavailable"
+	)
 
 
 func _test_target_resolution_and_travel_are_separate() -> void:

tests/food_storage_loop_test.gd

@@ -112,6 +112,7 @@ func _run() -> void:
 		"Exactly one food unit should leave the world when eaten"
 	)
 	_check_economic_event_chain(manager)
+	_test_wood_work_requires_material()
 
 	var restored: Node = load("res://simulation/SimulationManager.gd").new()
 	restored.debug_logs = false
@@ -179,3 +180,48 @@ func _check_economic_event_chain(manager: Node) -> void:
 		),
 		"Economic events should record exact transferred quantities"
 	)
+
+
+func _test_wood_work_requires_material() -> void:
+	var manager: Node = load("res://simulation/SimulationManager.gd").new()
+	manager.debug_logs = false
+	root.add_child(manager)
+	manager.set_process(false)
+	var woodpile: StorageStateRecord = manager.get_woodpile()
+	woodpile.withdraw(SimulationIds.RESOURCE_WOOD, 1000.0)
+	woodpile.deposit(SimulationIds.RESOURCE_WOOD, 0.5)
+	manager._sync_village_wood()
+	var npc: SimNPC = manager.npcs[0]
+	var safety_before: float = manager.village.safety
+
+	npc.set_task(SimulationIds.ACTION_PATROL, 1.0)
+	npc.start_working()
+	manager.simulate_tick()
+	_check(
+		(
+			is_equal_approx(manager.village.safety, safety_before)
+			and is_equal_approx(woodpile.get_amount(SimulationIds.RESOURCE_WOOD), 0.5)
+		),
+		"Patrol should not consume partial wood or create safety when its full cost cannot be paid"
+	)
+
+	manager.add_wood(1.5)
+	_check(
+		(
+			is_equal_approx(woodpile.get_amount(SimulationIds.RESOURCE_WOOD), 2.0)
+			and is_equal_approx(manager.village.wood, 2.0)
+		),
+		"Wood changes should update authoritative storage and the village projection"
+	)
+	var knowledge_before: float = manager.village.knowledge
+	npc.set_task(SimulationIds.ACTION_STUDY, 1.0)
+	npc.start_working()
+	manager.simulate_tick()
+	_check(
+		(
+			is_equal_approx(woodpile.get_amount(SimulationIds.RESOURCE_WOOD), 1.0)
+			and manager.village.knowledge > knowledge_before
+		),
+		"Funded study should consume one wood and produce knowledge"
+	)
+	manager.free()

tests/npc_schedule_test.gd

@@ -189,7 +189,7 @@ func _test_household_familiarity() -> void:
 	manager.simulation_seed = 700
 	manager.debug_logs = false
 	manager.set_process(false)
-	manager.home_positions = [
+	var household_positions: Array[Vector3] = [
 		Vector3(-15.0, 2.0, 7.0),
 		Vector3(-15.0, 2.0, 8.0),
 		Vector3(-8.5, 2.0, 3.0),
@@ -197,6 +197,7 @@ func _test_household_familiarity() -> void:
 		Vector3(20.0, 0.0, 20.0),
 		Vector3(22.0, 0.0, 22.0)
 	]
+	manager.home_positions = household_positions
 	root.add_child(manager)
 
 	var a: SimNPC = manager.npcs[0]

tools/quality.sh

@@ -91,6 +91,7 @@ if [[ -z "$GODOT" ]]; then
   echo "ERROR: Godot binary not found. Set GODOT_BIN or add godot/godot4 to PATH."
   exit 1
 fi
+GODOT_ENV=(env "HOME=$GODOT_PROFILE" "APPDATA=$GODOT_PROFILE" "LOCALAPPDATA=$GODOT_PROFILE")
 
 # -- 1. gdformat --------------------------------------------------------------
 fmt_tool=$(find_gdformat) || true
@@ -177,7 +178,7 @@ fi
 godot_result="PASS"
 : > "$LOG/godot-check.log"
 if need_timeout; then
-  if APPDATA="$GODOT_PROFILE" LOCALAPPDATA="$GODOT_PROFILE" timeout 30 "$GODOT" --headless --path "$ROOT" --script res://tests/simulation_definitions_test.gd >> "$LOG/godot-check.log" 2>&1; then
+  if timeout 30 "${GODOT_ENV[@]}" "$GODOT" --headless --path "$ROOT" --script res://tests/simulation_definitions_test.gd >> "$LOG/godot-check.log" 2>&1; then
     godot_result="PASS"
   else
     ec=$?
@@ -189,12 +190,15 @@ if need_timeout; then
     fi
   fi
 else
-  if APPDATA="$GODOT_PROFILE" LOCALAPPDATA="$GODOT_PROFILE" "$GODOT" --headless --path "$ROOT" --script res://tests/simulation_definitions_test.gd >> "$LOG/godot-check.log" 2>&1; then
+  if "${GODOT_ENV[@]}" "$GODOT" --headless --path "$ROOT" --script res://tests/simulation_definitions_test.gd >> "$LOG/godot-check.log" 2>&1; then
     godot_result="PASS"
   else
     godot_result="FAIL"
   fi
 fi
+if grep -qE "SCRIPT ERROR:|Parse Error:|Failed to load script" "$LOG/godot-check.log"; then
+  godot_result="FAIL"
+fi
 if [[ "$godot_result" == "FAIL" ]]; then
   grep -iE "error|warning|parse|syntax" "$LOG/godot-check.log" 2>/dev/null | head -20 | while IFS= read -r errline; do
     ERRORS+=("godot: $errline")
@@ -208,15 +212,19 @@ scenario_result="PASS"
 for test in tests/*_test.gd; do
   echo "[RUN] $(basename "$test")" >> "$LOG/scenarios.log"
   if need_timeout; then
-    if ! APPDATA="$GODOT_PROFILE" LOCALAPPDATA="$GODOT_PROFILE" timeout 30 "$GODOT" --headless --path "$ROOT" --script "res://$test" >> "$LOG/scenarios.log" 2>&1; then
+    if ! timeout 30 "${GODOT_ENV[@]}" "$GODOT" --headless --path "$ROOT" --script "res://$test" >> "$LOG/scenarios.log" 2>&1; then
       scenario_result="FAIL"
       ERRORS+=("scenario: $(basename "$test") failed or timed out")
     fi
-  elif ! APPDATA="$GODOT_PROFILE" LOCALAPPDATA="$GODOT_PROFILE" "$GODOT" --headless --path "$ROOT" --script "res://$test" >> "$LOG/scenarios.log" 2>&1; then
+  elif ! "${GODOT_ENV[@]}" "$GODOT" --headless --path "$ROOT" --script "res://$test" >> "$LOG/scenarios.log" 2>&1; then
     scenario_result="FAIL"
     ERRORS+=("scenario: $(basename "$test") failed")
   fi
 done
+if grep -qE "SCRIPT ERROR:|Parse Error:|Failed to load script" "$LOG/scenarios.log"; then
+  scenario_result="FAIL"
+  ERRORS+=("scenario: Godot reported a script load or parse error")
+fi
 if [[ "$scenario_result" == "FAIL" ]]; then
   FIXES+=("Fix failing project scenario tests")
 fi
@@ -225,7 +233,7 @@ fi
 gut_result="SKIPPED"
 : > "$LOG/gut.log"
 if [[ -f "addons/gut/gut_cmdln.gd" ]]; then
-  if APPDATA="$GODOT_PROFILE" LOCALAPPDATA="$GODOT_PROFILE" "$GODOT" --headless --path "$ROOT" -s addons/gut/gut_cmdln.gd >> "$LOG/gut.log" 2>&1; then
+  if "${GODOT_ENV[@]}" "$GODOT" --headless --path "$ROOT" -s addons/gut/gut_cmdln.gd >> "$LOG/gut.log" 2>&1; then
     gut_result="PASS"
   else
     gut_result="FAIL"
@@ -254,8 +262,9 @@ echo "  godot-check  $godot_result"
 echo "  scenarios    $scenario_result"
 echo "  gut          $gut_result"
 
-seen_err=()
-for e in "${ERRORS[@]}"; do
+seen_err=("__quality_sentinel__")
+for e in "${ERRORS[@]:-}"; do
+  [[ -z "$e" ]] && continue
   contains_element "$e" "${seen_err[@]}" && continue
   seen_err+=("$e")
   echo "    $e"
@@ -264,9 +273,10 @@ done
 if $OVERALL && [[ ${#FIXES[@]} -gt 0 ]]; then
   echo ""
   echo "  NEXT FIX:"
-  seen_fix=()
+  seen_fix=("__quality_sentinel__")
   idx=1
-  for fix in "${FIXES[@]}"; do
+  for fix in "${FIXES[@]:-}"; do
+    [[ -z "$fix" ]] && continue
     contains_element "$fix" "${seen_fix[@]}" && continue
     seen_fix+=("$fix")
     echo "    $idx. $fix"