Add claim access permissions

CoalGov/README.md

@@ -93,9 +93,31 @@ CoalGov supports rectangular and polygon claims.
 - Claim corners receive protected marker blocks
 - `/claim appraise` estimates resale value from land condition and configured resources
 - `/claim sell` sells the claim back to the Ministry
+- `/showpropertylines` shows the property lines for the claim you are standing in
+- `/claim trust` and `/claim untrust` grant or revoke claim-scoped access for other players
 
 The first small homestead can be free, depending on config.
 
+Claim owners can grant granular access:
+
+- `build`: place and break blocks
+- `interact`: use non-container interactable blocks such as doors, buttons, levers, gates, and similar blocks
+- `container`: open inventory blocks such as chests, barrels, furnaces, and hoppers
+- `animal`: damage animals inside the claim
+- `manage`: manage claim permissions
+- `all`: grant or revoke every permission above
+
+Example:
+
+```text
+/claim trust 12 Alex build
+/claim trust 12 Alex container
+/claim untrust 12 Alex build
+/claim permissions 12
+```
+
+Unclaimed land does not block animal damage for now. Claimed land blocks animal damage unless the player owns the claim, has `animal`, has `manage`, or is using admin bypass.
+
 ## Land Classes And Mining
 
 Admins can define land regions with classes such as freehold, government land, protected preserves, border zones, and mining concessions.
@@ -138,9 +160,13 @@ CoalGov adds a persisted Super Furnace recipe. Craft a furnace with stone in all
 /claim sell [id]
 /claim transfer <id> <player>
 /claim abandon <id>
+/claim trust <id> <player> <build|interact|container|animal|manage|all>
+/claim untrust <id> <player> <build|interact|container|animal|manage|all>
+/claim permissions <id>
 /permit buy mining <regionName>
 /permit list
 /diviningrod
+/showpropertylines
 /land info
 ```
 
@@ -229,6 +255,10 @@ Always back up the current plugin jar and `plugins/CoalGov/coalgov.db` before de
 - `/market` shows per-item and batch prices
 - Market buy/sell updates stock and balance
 - `/claim buy` charges the displayed Coal Cents amount
+- `/claim trust` allows another player to use only the granted access
+- A player without `animal` access cannot kill animals inside another player's claim
+- Animals on unclaimed land can still be killed
+- `/showpropertylines` displays polygon edges between claim marker points
 - `/claim appraise` and `/claim sell` display formatted money
 - Mining protected coal is denied
 - Mining concession coal requires a valid permit