Update app.py

app.py

@@ -434,18 +434,18 @@ def inject_base_url(url: str) -> str:
 
 DEFAULT_MERMAID = r"""
 flowchart LR
-    U((User😎)) -- Talk🗣 --> LLM[LLMAgent🤖\nExtractInfo]
-    click U /?q=U OpenUser _blank
-    click LLM /?q=LLM%20Agent%20ExtractInfo OpenLLM _blank
+    U((User 😎)) -- "Talk 🗣️" --> LLM[LLM Agent 🤖\nExtract Info]
+    click U "/?q=User%20😎" "Open 'User 😎'" _blank
+    click LLM "/?q=LLM%20Agent%20Extract%20Info" "Open LLM Agent" _blank
 
-    LLM -- Query🔍 --> HS[HybridSearch🔎\nVectorNERLexical]
-    click HS /?q=HybridSearchVectorNERLexical LaunchSearch _blank
+    LLM -- "Query 🔍" --> HS[Hybrid Search 🔎\nVector+NER+Lexical]
+    click HS "/?q=Hybrid%20Search%20Vector+NER+Lexical" "Open Hybrid Search" _blank
 
-    HS -- Reason🤔 --> RE[ReasoningEngine🛠️\nNeuralNetworkMedical]
-    click RE /?q=ReasoningEngineNeuralNetworkMedical BrainTool _blank
+    HS -- "Reason 🤔" --> RE[Reasoning Engine 🛠️\nNeuralNetwork+Medical]
+    click RE "/?q=Reasoning%20Engine%20NeuralNetwork+Medical" "Open Reasoning" _blank
 
-    RE -- Link📡 --> KG((KnowledgeGraph📚\nOntologyGAR RAG))
-    click KG /?q=KnowledgeGraphOntologyGARRAG ShowKG _blank
+    RE -- "Link 📡" --> KG((Knowledge Graph 📚\nOntology+GAR+RAG))
+    click KG "/?q=Knowledge%20Graph%20Ontology+GAR+RAG" "Open Knowledge Graph" _blank
 """
 
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