- Add JobId (rolling u16 counter) to track jobs through their lifecycle
- Add job_id field to all Task variants (Idle, GoTo, ChopTree, HaulCargo, DropHauled)
- Add unclaim_job() method to requeue failed jobs for reassignment
- Change task failure paths to use unclaim_job() instead of complete_job_by_id()
- This allows failed jobs to be picked up by another dorf instead of being stuck
- Add to_job_kind() and get_job_id() helper methods to Task
- Fix pathfinding is_standable_tile debug logging spam
- Fix chunk bounds check in ChunkData::is_standable (was checking wrong z range)
Switch from add-then-XOR pattern to proper sequential multiply-add
avalanche. Each coordinate feeds into the next multiply, preventing
correlation between adjacent tiles when rare drops are introduced.
- SmallVec<[DropEntry; 2]> replaces Vec in DropTable: zero heap allocation for
all current tiles (0 or 1 entries), spills to heap only at 3+
- DropEntry fields packed to u8 (chance_pct, min_count, max_count): ~12 bytes ->
4 bytes; derives Copy so no extra clones
- Replaced SystemTime pseudo-RNG with dig_rng(pos): PCG-style hash of world SEED
+ tile position. Deterministic per world, same dig = same roll every time
- TOML-driven drop tables: assets/drop_tables.toml (grass=5%/1-2, rock=10%/1,
dirt/air=none). TOML parsed at startup into DropTableRegistry resource
- OnceLock global map for async terrain generation tasks to access drop tables
without Bevy resource borrowing
- terrain.rs: DropTableRegistry::global_get("tile") replaces hardcoded drop_table_for
- Add generic digging + drop tables to implemented list
- Rabbit digging: now using Digger component, not debug code
- Building and construction: updated to reflect generic system in place
- Architecture: added digging to shared_systems, drop_table to tiles
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