fix: fix typos

Author: phodal

src/main/kotlin/cc/unitmesh/devti/counit/CustomAgentChatProcessor.kt

@@ -14,6 +14,7 @@ import com.intellij.openapi.components.Service
 import com.intellij.openapi.diagnostic.logger
 import com.intellij.openapi.project.Project
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.runBlocking
 
 @Service(Service.Level.PROJECT)