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   else if(_Period <= PERIOD_M4)
   {
      EMA16Period = 336;
      Print("M4 timeframe: EMA period = ", EMA16Period);
   }

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Changelog: XU_EFFECT_v3.11 Optimization & Refactoring
🚀 Performance Optimizations
Bulk Data Access

Moved CopyBuffer logic for SEMA (Fast/Slow) and RSI out of the main OnCalculate loop.
Implemented bulk copying of data only for the necessary range (limit to rates_total), significantly reducing API overhead.
Fast Time Computations

Optimized IsTradingGap to check for simple "period-sized" gaps first (t2 - t1 == PeriodSeconds()). This bypasses slow TimeToStruct calls for 90%+ of candles.
Variable Caching

Replaced repetitive GetSymbolEpsilon() calls with a single global variable g_FloatEpsilon calculated once in OnInit.
Optimized Array Access

Replaced safe but slow SafeArrayGet with direct array access (buffer[i]) in inner loops where index validity is already guaranteed.
Lazy Initialization

Removed massive ArrayInitialize calls in OnInit that were zeroing out entire buffers unnecessarily.
UI Throttling

Implemented a throttle mechanism in UpdateSovereignDisplay to limit UI redraws (default: 10 FPS), preventing chart lag during high-frequency ticks.
🐛 Bug Fixes & Logic Corrections
Ternary HUD Confidence Logic

Issue: Original code (v3.08) capped confidence at 1 using MathMin because VWAP/RSI inputs were binary.
Fix: Rewrote logic to sum the agreements. Now the HUD correctly displays confidence as "1/3", "2/3", or "3/3".
"Disappearing HUD" Race Condition

Issue: HUD elements sometimes vanished when switching timeframes.
Fix: Added explicit ObjectsDeleteAll and ChartRedraw in OnInit to ensure a clean slate, plus a forced redraw in EnsureUIExists.
Invalid Historical Calculations

Issue: Original code used iClose(Symbol, Period, shift) inside the loop, which uses 0=newest indexing, while OnCalculate uses 0=oldest. This caused calculations to use future data or incorrect bars.
Fix: Refactored CalculateSEMABias and GetHybridTernaryBias to accept price as an argument, passed directly from close[i]. This is both faster and correct.
🧹 Code Structure & Cleanup
Modular Organization

Grouped related functions into labeled sections:
CORE SYSTEM
CALCULATION ENGINES
UI & DISPLAY SYSTEM
DATA MANAGEMENT
UTILITIES
Consolidated Definitions

Moved all #define macros, constants, and global variables to the top of the file for better readability.
Standardized Headers

Added consistent ASCII art headers to all function blocks for easy navigation.
Syntax Corrections

Fixed minor syntax errors (like missing function signatures) that were introduced during manual editing.