diff --git a/apps/server/src/main/kotlin/com/correx/apps/server/Main.kt b/apps/server/src/main/kotlin/com/correx/apps/server/Main.kt
index 4a41ade2..62609572 100644
--- a/apps/server/src/main/kotlin/com/correx/apps/server/Main.kt
+++ b/apps/server/src/main/kotlin/com/correx/apps/server/Main.kt
@@ -26,6 +26,7 @@ import com.correx.core.inference.InferenceRouter
 import com.correx.core.inference.ModelCapability
 import com.correx.core.kernel.orchestration.DefaultOrchestrationReducer
 import com.correx.core.kernel.orchestration.DefaultSessionOrchestrator
+import com.correx.core.kernel.orchestration.JournalCompactionService
 import com.correx.core.kernel.orchestration.OrchestrationConfig
 import com.correx.core.kernel.orchestration.OrchestrationProjector
 import com.correx.core.kernel.orchestration.OrchestrationRepository
@@ -235,6 +236,18 @@ fun main() {
         workspaceToolRegistryProvider = wsToolRegistryProvider,
     )
     val decisionJournalRepository = InfrastructureModule.createDecisionJournalRepository(eventStore)
+    val defaultOrchestrationConfig = OrchestrationConfig(
+        sandboxRoot = sandboxRoot,
+        defaultSystemPromptPath = toolsConfig.defaultSystemPromptPath,
+    )
+    val journalCompactionService = JournalCompactionService(
+        artifactStore = artifactStore,
+        summarize = { prompt ->
+            // TODO: wire real LLM summarizer — returns placeholder until inference is wired here
+            "Compacted journal summary (${prompt.lines().size} records)"
+        },
+        tokenThreshold = defaultOrchestrationConfig.journalCompactionTokenThreshold,
+    )
     val orchestrator = DefaultSessionOrchestrator(
         repositories = repositories,
         engines = engines,
@@ -242,10 +255,7 @@ fun main() {
         artifactStore = artifactStore,
         tokenizer = firstProvider.tokenizer,
         decisionJournalRepository = decisionJournalRepository,
-    )
-    val defaultOrchestrationConfig = OrchestrationConfig(
-        sandboxRoot = sandboxRoot,
-        defaultSystemPromptPath = toolsConfig.defaultSystemPromptPath,
+        compactionService = journalCompactionService,
     )
     val routerConfig = correxConfig.router
     val embedder = InfrastructureModule.createEmbedderFromConfig(routerConfig.embedder)