add dev UI

README.md

@@ -1,5 +1,7 @@
 # LLM Agent Builder
 
+[![build](https://github.com/LLMAgentBuilder/llm-agent-builder/actions/workflows/build.yaml/badge.svg)](https://github.com/LLMAgentBuilder/llm-agent-builder/actions/workflows/build.yaml)
+
 **LLM Agent Powered by Java / Spring AI**
 
 ## Documentation

bootstrap/pom.xml

@@ -48,6 +48,11 @@
       <artifactId>open-telemetry</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>io.github.llmagentbuilder</groupId>
+      <artifactId>chat-agent-ui</artifactId>
+      <version>0.3.0</version>
+    </dependency>
     <dependency>
       <groupId>io.github.llmagentbuilder</groupId>
       <artifactId>llm-openai</artifactId>

bootstrap/src/main/kotlin/io/github/llmagentbuilder/bootstrap/AgentBootstrap.kt

@@ -122,7 +122,7 @@ object AgentBootstrap {
             UUID.randomUUID().toString(),
             observationRegistry,
         )
-        KtorLauncher.launch(chatAgent)
+        KtorLauncher.launch(chatAgent, agentConfig.launch)
     }
 
     private fun profileAdvisor(agentConfig: AgentConfig): Advisor? {

core/src/main/kotlin/io/github/llmagentbuilder/core/AgentConfig.kt

@@ -63,6 +63,21 @@ class ObservationConfig {
     var metrics: MetricsConfig? = null
 }
 
+class LaunchConfig {
+    var server: ServerConfig? = null
+    val feature: FeatureConfig? = null
+}
+
+class ServerConfig {
+    var host: String? = "localhost"
+    var port: Int? = 8080
+}
+
+class FeatureConfig {
+    var devUiEnabled: Boolean? = true
+}
+
+
 class AgentConfig {
     var metadata: AgentMetadata? = null
     var profile: ProfileConfig? = null
@@ -71,6 +86,7 @@ class AgentConfig {
     var planner: Map<String, Any?>? = null
     var tools: List<ToolConfig>? = null
     var observation: ObservationConfig? = null
+    var launch: LaunchConfig? = null
 }
 
 object AgentConfigLoader {

launchers/ktor/pom.xml

@@ -65,6 +65,11 @@
       <artifactId>ktor-serialization-jackson-jvm</artifactId>
       <version>${ktor.version}</version>
     </dependency>
+    <dependency>
+      <groupId>io.ktor</groupId>
+      <artifactId>ktor-server-webjars-jvm</artifactId>
+      <version>${ktor.version}</version>
+    </dependency>
   </dependencies>
 
 </project>

launchers/ktor/src/main/kotlin/io/github/llmagentbuilder/launcher/ktor/server/AppMain.kt

@@ -1,7 +1,10 @@
 package io.github.llmagentbuilder.launcher.ktor.server
 
 import io.github.llmagentbuilder.core.ChatAgent
+import io.github.llmagentbuilder.core.FeatureConfig
+import io.github.llmagentbuilder.core.LaunchConfig
 import io.github.llmagentbuilder.launcher.ktor.server.apis.AgentApi
+import io.github.llmagentbuilder.launcher.ktor.server.apis.devUI
 import io.ktor.serialization.jackson.*
 import io.ktor.server.application.*
 import io.ktor.server.cio.*
@@ -11,21 +14,34 @@ import io.ktor.server.plugins.contentnegotiation.*
 import io.ktor.server.plugins.defaultheaders.*
 import io.ktor.server.resources.*
 import io.ktor.server.routing.*
+import io.ktor.server.webjars.*
+import org.slf4j.LoggerFactory
 
 object KtorLauncher {
-    fun launch(chatAgent: ChatAgent) {
+    private val logger = LoggerFactory.getLogger(KtorLauncher::class.java)
+
+    fun launch(chatAgent: ChatAgent, launchConfig: LaunchConfig? = null) {
+        val host = launchConfig?.server?.host ?: "localhost"
+        val port = launchConfig?.server?.port ?: 8080
+        logger.info("Starting agent server: $host:$port")
         embeddedServer(
             CIO,
-            port = 8080,
-            host = "0.0.0.0",
+            port,
+            host,
             module = {
                 module(chatAgent)
             }
         ).start(wait = true)
     }
 }
 
-fun Application.module(chatAgent: ChatAgent) {
+fun Application.module(
+    chatAgent: ChatAgent,
+    featureConfig: FeatureConfig? = null
+) {
+    install(Webjars) {
+        path = "/webjars"
+    }
     install(DefaultHeaders)
     install(ContentNegotiation) {
         jackson()
@@ -37,5 +53,8 @@ fun Application.module(chatAgent: ChatAgent) {
     install(Resources)
     install(Routing) {
         AgentApi(chatAgent)
+        if (featureConfig?.devUiEnabled != false) {
+            devUI()
+        }
     }
 }

launchers/ktor/src/main/kotlin/io/github/llmagentbuilder/launcher/ktor/server/apis/DevUI.kt

@@ -0,0 +1,15 @@
+package io.github.llmagentbuilder.launcher.ktor.server.apis
+
+import io.ktor.server.application.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+
+fun Route.devUI() {
+    get("/") {
+        call.respondRedirect("/webjars/chat-agent-ui/index.html")
+    }
+    get("/_next/{path...}") {
+        val redirectPath = call.parameters.getAll("path")?.joinToString("/")
+        call.respondRedirect("/webjars/chat-agent-ui/${redirectPath}")
+    }
+}