feat: add log capture methods to RuntimeOrchestrator interface

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cameleer3-server-app/src/main/java/com/cameleer3/server/app/runtime/DisabledRuntimeOrchestrator.java

@@ -13,4 +13,7 @@ public class DisabledRuntimeOrchestrator implements RuntimeOrchestrator {
     @Override public void removeContainer(String id) { throw new UnsupportedOperationException("Runtime management disabled"); }
     @Override public ContainerStatus getContainerStatus(String id) { return ContainerStatus.notFound(); }
     @Override public Stream<String> getLogs(String id, int tail) { return Stream.empty(); }
+    @Override public void startLogCapture(String containerId, String appSlug, String envSlug, String tenantId) {}
+    @Override public void stopLogCapture(String containerId) {}
+    @Override public void stopLogCaptureByApp(String appSlug, String envSlug) {}
 }

cameleer3-server-core/src/main/java/com/cameleer3/server/core/runtime/RuntimeOrchestrator.java

@@ -9,4 +9,13 @@ public interface RuntimeOrchestrator {
     void removeContainer(String containerId);
     ContainerStatus getContainerStatus(String containerId);
     Stream<String> getLogs(String containerId, int tailLines);
+
+    /** Start streaming container logs to ClickHouse. */
+    default void startLogCapture(String containerId, String appSlug, String envSlug, String tenantId) {}
+
+    /** Stop log capture for a specific container (e.g., on die/oom). */
+    default void stopLogCapture(String containerId) {}
+
+    /** Stop log capture for all containers matching this app+env (e.g., on agent SSE connect). */
+    default void stopLogCaptureByApp(String appSlug, String envSlug) {}
 }