## 1.6.0

**Fix:**
> Fixed fish item lore showing raw rarity level (e.g. "epic:90") instead of configured display name (e.g. "史诗")
> Fixed 100% charge being treated as overcharge (throw power became 0)
> Fixed hook floating effect task never terminating, causing task leaks
> Fixed hook trajectory task not tracked, unable to cancel on session end
> Fixed Particle API incompatibility on 1.21+ (extra parameter type mismatch)
> Fixed dangerZone array out of bounds in minigame (index 10 on size-10 array)
> Fixed severe performance issue: rod name parsed every tick in minigame
> Fixed duplicate session check missing in 2/3-argument startMinigame
> Fixed OP privilege escalation without try-finally in GUIAction
> Fixed fish selling losing items when player inventory is full
> Fixed ClassCastException from database Number types in GUI stats
> Fixed MySQL incompatibility: INSERT OR REPLACE and AUTOINCREMENT syntax
> Fixed getConnection() returning null causing NullPointerException (19 call sites)
> Fixed sellAllFish not collecting fish UUIDs for database cleanup
> Fixed clearAllCache clearing all players' cache on any player quit
> Fixed isVoidLocation always returning false, void fishing completely broken
> Fixed cleanupAndAnnounce callable twice, causing duplicate rewards
> Fixed PointsOnlyCompetition giving 1.0 points for fish not in fishList
> Fixed reflection method lookup every tick (now cached as static field)
> Fixed cross-world distance() call throwing IllegalArgumentException
> Fixed fishLevel.split NPE when fishLevel is null
> Fixed hookMaterial.toLowerCase NPE when database returns null
> Fixed isHookPassableBlock using hardcoded strings instead of Set lookup
> Fixed shared StringBuilder/Vector/Location instance fields causing thread safety issues
> Fixed new Random() created frequently instead of reusing instance field
> Fixed charge tick sound never playing due to millisecond precision mismatch
> Fixed checkAndConsumeBait setting null instead of AIR for empty offhand
> Fixed fishSize/maxSize division by zero when maxSize is 0
> Fixed rare fish getting double bonus (10% forced + rareFishBonus)
> Fixed invincibility period only increasing progress, never decreasing
> Fixed minigame run() without exception protection, leaving zombie sessions
> Fixed displayGameUI dead code with identical if-else branches
> Fixed player offline not handled during minigame, causing exceptions
> Fixed getRodNameByPlayer returning null instead of default "wood"
> Fixed duplicate actualFishValue declaration in inner class
> Fixed HashMap concurrency issues in GUI (6 maps changed to ConcurrentHashMap)
> Fixed GUIType.valueOf() throwing uncaught IllegalArgumentException
> Fixed direct Material enum usage in GUI violating XSeries rules (14 places)
> Fixed itemsPerPage inconsistency between GUI methods (36 vs 28)
> Fixed sellFishItem using unnecessary reflection for PDC access
> Fixed sellFishItem returning 1 for item rewards without depositing Vault value
> Fixed displayNameToHookNameMap not updating on config reload
> Fixed e.printStackTrace() violating logging rules
> Fixed onInventoryClose clearing search keywords for all GUI types
> Fixed SlotMapping getBorderSlotCount wrong calculation for 27-slot GUI
> Fixed RewardPreview isItemDisplaySlot range too small (27 instead of 54)
> Fixed GUI_SIZE_6 = 6 not being a valid inventory size (changed to 54)
> Fixed SQL injection risk from columnName concatenation (added whitelist)
> Fixed logFishing/updatePlayerStats using connection field instead of getConnection()
> Fixed cache returning mutable list reference allowing external pollution
> Fixed cache cleanup running every write instead of every 100 writes
> Fixed updatePlayerStats using two database round trips instead of one
> Fixed getConfigurationSection() NPE in Config (5 places)
> Fixed non-debug AuraSkills log output in production
> Fixed Double.parseDouble without exception handling
> Fixed isDebugMode/setDebugMode config path inconsistency
> Fixed dead code in ensureFishAnimationSubConfigs
> Fixed duplicated fish filtering logic in getAvailableFish/getAvailableFishFromPool
> Fixed Material.FISHING_ROD direct enum usage in Config
> Fixed parseMaterial returning null without warning in ItemValue
> Fixed Y-axis movement not restricted during fishing
> Fixed durability calculation overflow when maxSingleLoss < baseLoss
> Fixed getRodCurrentDurability missing rodType null check
> Fixed hook Y velocity unlimited descent in water mechanic
> Fixed lava mechanic missing Y<=0 boundary check
> Fixed lava/void hook messages using wrong language key (hook_in_water)
> Fixed hasEquipmentEffect based on Lore text matching, exploitable by players
> Fixed Compete shared mutable StringBuilder/ArrayList fields
> Fixed Compete containsKey+put TOCTOU race condition
> Fixed scheduleRecurring array index out of bounds on malformed config
> Fixed competition notification tasks not tracked, can't be cancelled
> Fixed scheduledTasks memory leak (completed tasks never removed)
> Fixed CompetitionData non-atomic operations on counters
> Fixed AmountCompetition/SingleValueCompetition/TotalValueCompetition not checking fishList filter
> Fixed PointsOnlyCompetition value double-counting in point calculation
> Fixed BarColor/BarStyle parse errors silently swallowed without warning
> Fixed hardcoded Chinese string in Cmd instead of MessageManager
> Fixed getFishValueFromItem querying database every call without cache
> Fixed getItemValue() null check missing in Cmd
> Fixed sellAllFish item rewards given multiple times for stacked items
> Fixed setFishUUIDString using unnecessary reflection for PDC
> Fixed Material.matchMaterial() in Cmd violating XSeries rules
> Fixed addGlowEffect empty method and dead guiCache code removed

**Add:**
> Added fishList filter check to AmountCompetition, SingleValueCompetition, TotalValueCompetition
> Added clearPlayerCache method to DB for single-player cache clearing
> Added hook_in_lava and hook_in_void language keys
> Added competition_invalid_duration language key
> Added CompetitionUtils.formatDuration shared utility
> Added columnName whitelist validation in DB
> Added fishValueCache in Cmd for database query optimization