fix(docs): correct relative asset path to ../../assets/ for visualizer screenshots

Author: vikrantd

docs/visualizer/architecture-map.md

@@ -3,7 +3,7 @@
 The **Architecture Map** is a clustered, multi-layer visual canvas built into TLDRGraph. It compiles into a zero-dependency HTML file (`.tldrgraph/TLDRGRAPH_VISUALIZER.html`) that can be opened in any modern browser.
 
 <p align="center">
-  <img src="../assets/architecture_map.png" alt="TLDRGraph Architecture Map" width="100%" />
+  <img src="../../assets/architecture_map.png" alt="TLDRGraph Architecture Map" width="100%" />
 </p>
 
 ---

docs/visualizer/workflows-explorer.md

@@ -3,7 +3,7 @@
 The **Workflows Explorer** renders end-to-end execution pipelines and decision flows on a full-width background canvas.
 
 <p align="center">
-  <img src="../assets/workflows_explorer.png" alt="TLDRGraph Workflows Explorer" width="100%" />
+  <img src="../../assets/workflows_explorer.png" alt="TLDRGraph Workflows Explorer" width="100%" />
 </p>
 
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