feat(admin): add Tyrant point grant command

design/user-stories/us-001-start-pause-and-administer.md

@@ -18,6 +18,9 @@ As a **server operator**, I want to start, pause, resume, and inspect the game s
 - [x] Role and class effects are suppressed while paused and restored when play resumes.
 - [x] Administrative commands require the `spigottyrant.admin` permission, granted to server operators by default.
 - [x] Administrators can inspect lifecycle state, roles, classes, Followers, purchases, levels, cooldowns, participation, legacy pending selections, and the configured shared role arena location.
+- [x] `/tyrantadmin grantpoint` requires administrative permission and grants the current Tyrant exactly one level and one unspent unlock choice.
+- [x] A successful administrative point grant persists immediately and confirms the updated level and choice count to the administrator.
+- [x] If the game is not running or has no current Tyrant, an administrative point grant changes nothing and reports a clear error.
 - [x] Destructive administrative operations require explicit confirmation.
 
 ## Related

design/user-stories/us-003-progress-and-purchase-unlocks.md

@@ -12,6 +12,8 @@ As the **Tyrant**, I want to earn one meaningful choice for defeating the Vigila
 ## Acceptance criteria
 
 - [x] The Tyrant gains one level and one unlock choice only when personally credited with killing the current Vigilante.
+- [x] An administrator can grant the current Tyrant one level and one unlock choice without changing purchases or unrelated game state.
+- [x] Each successful administrative grant adds exactly one level and one choice, including across repeated invocations.
 - [x] A Vigilante death caused by another player, the environment, or the Vigilante does not level the Tyrant.
 - [x] Available purchases are Assassin, Fixer, Tamer, roster intelligence, permanent Resistance, and permanent Strength.
 - [x] Each class or ability can be purchased at most once during a reign.

design/user-stories/us-018-complete-commands-contextually.md

@@ -22,6 +22,7 @@ As a **player or administrator**, I want contextual command suggestions so that
 - [x] `/tyrantadmin start` suggests online Tyrant and Vigilante candidates.
 - [x] `/tyrantadmin reset` suggests `confirm`.
 - [x] `/tyrantadmin arena` suggests `set` and `status`.
+- [x] `/tyrantadmin` suggests `grantpoint`, which accepts no additional arguments.
 - [x] Suggestions are filtered case-insensitively by the partially typed argument.
 - [x] Suggestions never include syntactically invalid options for the current argument position.
 - [x] Console completion works for administrative commands without exposing player-only commands as executable console actions.
@@ -29,7 +30,7 @@ As a **player or administrator**, I want contextual command suggestions so that
 
 ## Validation
 
-Automated tests verify root syntax, unlocks, classes, confirmations, eligible recruits, current Followers, permission gating, online administrative candidates, argument positions, and case-insensitive prefix filtering. The complete `./gradlew clean check jar` lifecycle passes.
+Automated tests verify root syntax, unlocks, classes, confirmations, eligible recruits, current Followers, permission gating, online administrative candidates, the argument-free `grantpoint` command, argument positions, and case-insensitive prefix filtering. The complete `./gradlew clean check jar` lifecycle passes.
 
 ## Related