feat: add missing wood opportunities

docs/PROJECT_CONTEXT.md

@@ -427,9 +427,9 @@ Focused `RefCounted` collaborators keep rule ownership visible:
   importance ranking for presentation/communication queries;
 - `RelationshipSystem` owns directed relationship state, event-driven trust
   consequences, and deterministic social queries;
-- `FoodShortageOpportunitySystem` projects the first knowledge-gated unresolved
-  condition into a persisted open/resolved record without changing resources
-  or assigning work.
+- `VillageOpportunitySystem` projects the proven pantry-food and blocked-work
+  wood conditions into persisted open/resolved/invalidated records without
+  changing resources or assigning work.
 
 `SimulationManager` remains the scene-tree façade and signal boundary rather
 than duplicating these responsibilities across additional manager nodes.
@@ -505,7 +505,7 @@ NpcVisual navigates through the active world
     |       -> SimulationEventLog appends completed facts
     |       -> EventKnowledgeSystem captures actor/nearby knowledge
     |       -> RelationshipSystem applies evidence-gated social consequences
-    |       -> FoodShortageOpportunitySystem may open or resolve a real need
+    |       -> VillageOpportunitySystem may open, resolve, or invalidate a real need
     |       |
     |       v
     |   village_changed signal updates the UI
@@ -560,7 +560,8 @@ NpcVisual navigates through the active world
 │   ├── resource_node_player_parity_test.gd
 │   ├── simulation_definitions_test.gd
 │   ├── simulation_state_serialization_test.gd
-│   ├── unit/test_food_shortage_opportunity_system.gd
+│   ├── unit/test_village_opportunity_system.gd
+│   ├── wood_shortage_opportunity_test.gd
 │   └── witnessed_knowledge_consequence_test.gd
 ├── terrain/jajce/             Dedicated Terrain3D seed data and assets
 ├── tools/
@@ -593,7 +594,7 @@ These are expected prototype constraints, not necessarily isolated bugs:
   gathering use `ResourceNode` instances with no fallback, food transfer uses
   the typed pantry `StorageNode`, and patrol/study/rest use `ActivitySite`.
 - Current NPC, village, resource, storage, event, knowledge, relationship,
-  opportunity, clock, and RNG state serialize through world schema v8. F5/F9
+  opportunity, clock, and RNG state serialize through world schema v9. F5/F9
   provide one validated local quicksave; a save menu, metadata, and
   player-transform persistence remain deferred.
 - Simulation-owned resource records retain live amounts, reservations, and
@@ -608,15 +609,17 @@ These are expected prototype constraints, not necessarily isolated bugs:
   located items.
 - NPCs have home positions, schedule periods, carried food/wood, and directed
   familiarity/trust. They retain direct or one-hop communicated knowledge of a
-  food deposit or NPC pantry withdrawal with first-acquisition provenance.
+  food deposit or NPC pantry withdrawal, plus direct missing-wood blocked-work
+  facts, with first-acquisition provenance.
   Current trust causes and the trigger of an open opportunity are lasting;
   other knowledge is capped and reviewed after one simulated day. NPCs do not
   yet have wider social dimensions, goals, line-of-sight/hearing evidence,
   personalized reinforcement/decay, false beliefs, or multi-hop rumours.
-- One persisted `restock_empty_pantry` opportunity can emerge from a known
-  withdrawal plus current emptiness and critical hunger. It has exact NPC and
-  player supply resolutions, but no generic opportunity definitions, capable-
-  helper assignment, acceptance, rewards, free-form dialogue, or quest log.
+- The bounded opportunity family supports one open `restock_empty_pantry` or
+  `supply_missing_wood` need from exact known evidence. Both have exact NPC and
+  player supply resolutions; the wood need also closes deterministically on
+  interested-party death or one-day staleness. There is still no capable-helper
+  assignment, acceptance, rewards, free-form dialogue, or quest log.
 - The reason inspector exposes current decisions, utility rejections, one exact
   relationship cause, and a compact person-history view that distinguishes
   importance-ranked retained memories from objective personal actions.
@@ -872,7 +875,7 @@ produce a short observer-only amber blossom without altering saved state.
 
 The first bounded opportunity proof is complete. A positive NPC pantry
 withdrawal plus current pantry emptiness opens one need only for a critically
-hungry villager who knows that exact event. The schema-v8 record persists its
+hungry villager who knows that exact event. The persisted record retains its
 stable trigger, interested villager, pantry/food target, status, and later
 resolution event; active evidence remains lasting. A real later NPC deposit or
 player harvest into the pantry resolves it without quest-only history, economy
@@ -890,10 +893,19 @@ finite berry source, visibly carries its yield, deposits it, and causes the
 physical recovery. A headless lifecycle scenario and an unassisted runtime
 timing validator cover the complete path.
 
-Milestone 7 remains in progress. The immediate next slice is the second
-missing-wood consumer from a real `task_blocked` fact, including deterministic
-interested-party death/staleness handling before common opportunity machinery
-is extracted.
+The second bounded opportunity proof is complete. Patrol or study that cannot
+pay its wood cost records a stable zero-transfer `task_blocked` fact and opens
+one `supply_missing_wood` need for its performer. A real NPC wood deposit or
+player tree harvest resolves it; interested-party death or one simulated day
+of unresolved evidence invalidates it without quest-only history. World schema
+v9 and nested opportunity schema v2 preserve open, resolved, and invalidated
+history. The two consumers now share `VillageOpportunitySystem`, while their
+evidence and care rules remain explicit.
+
+Milestone 7 remains in progress. The immediate next slice is a read-only,
+deterministic capable-helper query for an open need, derived from existing
+knowledge, relationship, action, inventory, and resource facts before it is
+allowed to influence autonomous task selection.
 
 The remaining simulation-garden target still aims for: