Add Smart Grid EA documentation

SESSION_SAVE_2026-03-22.md

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+---
+
+## OrdersEA Smart Grid v3.0 Created
+**Date:** March 24, 2026
+
+### New EA: OrdersEA_Smart_Grid.mq4
+
+**Features:**
+1. **Auto Pivot Calculation** - Calculates P, R1, S1, R2, S2 from daily data
+2. **RSI Filter** - Only trades when RSI is in neutral zone (35-65)
+3. **ADX Filter** - Only trades when ADX < 25 (ranging market)
+4. **ATR Adaptive Range** - Grid range adjusts to volatility
+5. **Max Levels** - Safety limit on grid depth
+6. **Auto Recalculation** - Updates pivots at new trading day
+
+### Key Parameters:
+
+**Grid Settings:**
+- UseAutoPivots: true = auto-calculate, false = use manual HIGH/LOW
+- Entry: Grid spacing in pips (default 10)
+- TP: Take profit per level (default 15)
+- MaxLevels: Maximum orders per side (default 10)
+
+**Filters:**
+- UseRSIFilter: Enable RSI check
+- RSILower/RSIUpper: 35/65 default (neutral zone)
+- UseADXFilter: Enable trend detection
+- ADXMax: 25 default (below = ranging)
+- UseATRFilter: Enable volatility-based range
+- ATRMultiplier: 1.5 default (range = ATR × 1.5)
+
+### How It Works:
+
+1. At startup, calculates yesterday's pivot points
+2. Sets grid range: HIGH = R1 (or R2), LOW = S1 (or S2)
+3. Each tick checks:
+   - RSI between 35-65? (Not overbought/oversold)
+   - ADX < 25? (Not trending)
+   - Price within range?
+4. If all pass, places grid orders
+5. If market trends (ADX > 25), stops placing new orders
+
+### Commit: 73d420c