docs: add SVG signature wrapper .md pages, fix docsify links, minimize content margins

lib/trends_FIR/nlma/Nlma.cs

@@ -228,7 +228,7 @@ public sealed class Nlma : AbstractBase
     /// <summary>
     /// Computes original Igorad two-phase kernel weights.
     /// Phase zone (i=0..period-2): t = i/(period-2), g = t≤0.5 ? 1 : 1/(3πt+1), w = g*cos(πt)
-    /// Cycle zone (i=period-1..flen-2): t = 1 + (i-period+1)*(2*Cycle-1)/(Cycle*period-1), same g/w
+    /// Cycle zone (i=period-1..flen-2): t = 1 + (i-phase)*(2*Cycle-1)/(Cycle*period-1), same g/w
     /// Last tap (i=flen-1): weight = 0.
     /// weights[0] = newest bar, weights[flen-1] = oldest bar.
     /// Returns the signed weight sum for normalization.
@@ -263,7 +263,7 @@ public sealed class Nlma : AbstractBase
                 else
                 {
                     // Cycle zone: t continues from 1 upward
-                    double numer = (double)(i - phase + 1) * (2 * Cycle - 1);
+                    double numer = (double)(i - phase) * (2 * Cycle - 1);
                     double denom = (double)(Cycle * period - 1);
                     t = 1.0 + (denom > 0 ? numer / denom : 0.0);
                 }

lib/trends_FIR/nlma/Nlma.md

@@ -8,6 +8,7 @@
 | **Outputs**      | Single series (Nlma)                       |
 | **Output range** | Tracks input                     |
 | **Warmup**       | 1 bar                          |
+| **Signature**    | [nlma_signature](nlma_signature) |
 
 ### TL;DR
 

lib/trends_FIR/nlma/nlma.pine

@@ -43,7 +43,7 @@ nlma(series float source, simple int period) =>
                 t := phase > 1 ? float(i) / float(phase - 1) : 0.0
             else
                 // Cycle zone: t continues from 1 upward
-                float numer = float(i - phase + 1) * float(2 * cycle - 1)
+                float numer = float(i - phase) * float(2 * cycle - 1)
                 float denom = float(cycle * period - 1)
                 t := 1.0 + (denom > 0 ? numer / denom : 0.0)
 

lib/trends_FIR/nlma/nlma_signature.md

@@ -0,0 +1,3 @@
+# NLMA Signature
+
+![NLMA Signature](nlma_signature.svg)