refactor(observer): replace ExternalTaskAgentObserver with BuiltTaskAgentObserver #259

- Renamed `ExternalTaskAgentObserver` to `BuiltTaskAgentObserver`.
- Updated implementation in autodev-core.xml.
- Removed unused `IDEA_INTERRUPTED_CODE` constant.

Author: phodal

core/src/223/main/resources/META-INF/autodev-core.xml

@@ -273,6 +273,9 @@
         <toolchainFunctionProvider implementation="cc.unitmesh.devti.bridge.knowledge.HistoryFunctionProvider"/>
         <toolchainFunctionProvider implementation="cc.unitmesh.devti.bridge.knowledge.KnowledgeFunctionProvider"/>
         <toolchainFunctionProvider implementation="cc.unitmesh.devti.mcp.client.McpFunctionProvider"/>
+
+        <agentObserver implementation="cc.unitmesh.devti.observer.TestAgentObserver" />
+        <agentObserver implementation="cc.unitmesh.devti.observer.BuiltTaskAgentObserver" />
     </extensions>
 
     <actions>

core/src/233/main/resources/META-INF/autodev-core.xml

@@ -277,7 +277,7 @@
         <toolchainFunctionProvider implementation="cc.unitmesh.devti.mcp.client.McpFunctionProvider"/>
 
         <agentObserver implementation="cc.unitmesh.devti.observer.TestAgentObserver" />
-        <agentObserver implementation="cc.unitmesh.devti.observer.ExternalTaskAgentObserver" />
+        <agentObserver implementation="cc.unitmesh.devti.observer.BuiltTaskAgentObserver" />
     </extensions>
 
     <actions>

core/src/main/kotlin/cc/unitmesh/devti/observer/ExternalTaskAgentObserver.kt renamed to core/src/main/kotlin/cc/unitmesh/devti/observer/BuiltTaskAgentObserver.kt

@@ -13,9 +13,8 @@ import com.intellij.openapi.util.Key
 import com.intellij.util.messages.MessageBusConnection
 
 
-class ExternalTaskAgentObserver : AgentObserver, Disposable {
+class BuiltTaskAgentObserver : AgentObserver, Disposable {
     private var connection: MessageBusConnection? = null
-    private val IDEA_INTERRUPTED_CODE = 255
 
     override fun onRegister(project: Project) {
         connection = project.messageBus.connect()