refactor(knowledge-base mcp server): adjust formatting for consistency and readability

Improved code formatting, line breaks, and indentation across chunking logic and multiple test modules to enhance code clarity and maintain consistent style. No functional changes made.

mcp-servers/knowledge-base/embeddings.py

@@ -214,9 +214,7 @@ class EmbeddingGenerator:
             return cached
 
         # Generate via LLM Gateway
-        embeddings = await self._call_llm_gateway(
-            [text], project_id, agent_id
-        )
+        embeddings = await self._call_llm_gateway([text], project_id, agent_id)
 
         if not embeddings:
             raise EmbeddingGenerationError(
@@ -277,9 +275,7 @@ class EmbeddingGenerator:
 
         for i in range(0, len(texts_to_embed), batch_size):
             batch = texts_to_embed[i : i + batch_size]
-            batch_embeddings = await self._call_llm_gateway(
-                batch, project_id, agent_id
-            )
+            batch_embeddings = await self._call_llm_gateway(batch, project_id, agent_id)
             new_embeddings.extend(batch_embeddings)
 
         # Validate dimensions