[Unit Tests] Exception classes, player entity events, and PendingReward coverage

[DiamondDagger590]

Summary

• ExceptionCoverageTest (37 tests): Covers all 15 exception classes across 8 packages — AbilityActivatedWithWrongEventException, AbilityNotRegisteredException, EventNotRegisteredForActivationException, AbilityDatabaseNameException, SkillHolderMissingSkillException, ContentPackFailedProcessingException, InvalidAbilityForLoadoutException, LoadoutMaxSizeExceededException, SelectedLoadoutAboveMaxException, LocaleParseException, NoLocalizationContainsMessageException, QuestScopeInvalidStateException, EventNotRegisteredForLevelingException, SkillNotRegisteredException, WorldGuardFlagRegisterException. Tests constructor storage, getters, getMessage() formatting, custom message overloads, and defensive copy behavior.
• PlayerEntityEventCoverageTest (23 tests): Covers PlayerAwardedRestedExperienceEvent and PlayerSafeZoneStateChangeEvent. Tests constructor clamping (negative values to zero), setter clamping (between 0 and maxAccumulation), asymmetric constructor behavior (constructor does not clamp to max, only setter does), Cancellable contract (default false, settable, revertible), SafeZoneStateChangeType enum values, and handler list access.
• PendingRewardCoverageTest (13 tests): Covers PendingReward data class. Tests all 7 getters, serialized config immutability (Map.copyOf), defensive copy from original mutable map, empty config support, and timestamp edge cases (zero, negative).

Packages covered (previously at 0% or low coverage)

Package	Classes Tested	Tests Added
exception.ability	3	7
exception.database	1	2
exception.entity	1	3
exception.expansion	1	2
exception.loadout	3	7
exception.localization	2	6
exception.quest	1	2
exception.skill	2	5
exception.external.worldguard	1	3
event.entity.player	2	23
quest.reward (PendingReward)	1	13

Total: 73 new test cases across 3 test files (project total: 2,370 tests, 0 failures)

Test plan

• All 2,370 tests pass via ./gradlew verifiedShadowJar
• Zero regressions across the full test suite
• Tests follow CLAUDE.md naming conventions (@Test before @DisplayName, short descriptive labels, action_outcome_whenCondition method names, @Nested grouping)
• Testing audit persona run against all changes — fixed unused imports, added assertNotSame for defensive copy verification, added asymmetric constructor clamping test
• @ParameterizedTest with @EnumSource used for SafeZoneStateChangeType enum coverage
• McRPGPlayerExtension used correctly for player-dependent event tests

https://claude.ai/code/session_011ZJuVXW6VsLAv8SK83vgEh

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 9c4ae6ce-d7d7-4be5-acf3-3c13292fac3c

📥 Commits

Reviewing files that changed from the base of the PR and between 9b47c9a and 66271c1.

📒 Files selected for processing (3)

• src/test/java/us/eunoians/mcrpg/event/entity/player/PlayerEntityEventCoverageTest.java
• src/test/java/us/eunoians/mcrpg/exception/ExceptionCoverageTest.java
• src/test/java/us/eunoians/mcrpg/quest/reward/PendingRewardCoverageTest.java

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/brave-goldberg-u32bsl

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[github-actions]

Extensibility Review

Breaking change risk: NONE — This diff adds only test classes; no production API surface is modified.

After reviewing the diff in full, all three new files are test-only additions located under src/test/java/. No public interfaces, abstract classes, event classes, registry entries, NamespacedKey constants, getDatabaseName() implementations, or any other production API surface is touched.

No extensibility concerns found.