Update flow diagram: add sam-research, SearXNG, web_search MCP flow

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

flow.html

@@ -30,9 +30,15 @@ flowchart TD
         varys["varys-monitor"]
     end
 
+    subgraph research ["Research Agent"]
+        sam["sam-research :8500"]
+        searxng["SearXNG :8600"]
+    end
+
     subgraph external ["External Sources"]
         github["GitHub API"]
         opnsense["OPNsense changelog"]
+        web_ext["Web (search results)"]
     end
 
     subgraph llm ["LLM Layer"]
@@ -45,8 +51,8 @@ flowchart TD
     end
 
     subgraph storage ["Shared Storage — /opt/"]
-        sites["sites/\nchangelog/  varys/  bran/"]
+        sites["sites/\nchangelog/  varys/  bran/  sam/"]
-        agentOS["agent-os/logs/\nbran-changelog/  varys-monitor/"]
+        agentOS["agent-os/logs/\nbran-changelog/  varys-monitor/  sam-research/"]
     end
 
     subgraph serving ["Serving Layer"]
@@ -72,10 +78,21 @@ flowchart TD
 
     varys -->|HTTP GET| svc
 
+    sam -->|GET /search| searxng
+    searxng -->|results| web_ext
+    web_ext --> searxng
+    sam -->|POST /api/chat| ollama
+    ollama --> sam
+
+    openwebui -->|web_search MCP tool| citadel
+    citadel -->|GET /search| searxng
+
     bran -->|index.html + last-output.md| sites
     bran -->|last-run.json| agentOS
     varys -->|index.html + last-output.md| sites
     varys -->|last-run.json| agentOS
+    sam -->|index.html + last-output.md| sites
+    sam -->|last-run.json| agentOS
 
     sites --> nginx
     nginx -->|NPM proxy| web