Merge pull request #30357 from WillemKauf/maintenance_p2

`ct/l1`: some more mechanical changes within `maintenance/compaction`

Author: WillemKauf

src/v/cloud_topics/level_one/maintenance/BUILD

@@ -16,6 +16,35 @@ redpanda_cc_library(
     ],
 )
 
+redpanda_cc_library(
+    name = "l1_object_sink",
+    srcs = [
+        "l1_object_sink.cc",
+    ],
+    hdrs = [
+        "l1_object_sink.h",
+    ],
+    visibility = [
+        "//src/v/cloud_topics/level_one:__subpackages__",
+    ],
+    deps = [
+        ":logger",
+        "//src/v/cloud_storage_clients",
+        "//src/v/cloud_topics/level_one/common:abstract_io",
+        "//src/v/cloud_topics/level_one/common:object",
+        "//src/v/cloud_topics/level_one/common:object_id",
+        "//src/v/cloud_topics/level_one/metastore",
+        "//src/v/cloud_topics/level_one/metastore:offset_interval_set",
+        "//src/v/cloud_topics/level_one/metastore:retry",
+        "//src/v/compaction:reducer",
+        "//src/v/config",
+        "//src/v/model",
+        "//src/v/ssx:future_util",
+        "//src/v/utils:prefix_logger",
+        "@seastar",
+    ],
+)
+
 redpanda_cc_library(
     name = "worker",
     srcs = [
@@ -54,6 +83,7 @@ redpanda_cc_library(
         "//src/v/resource_mgmt:memory_groups",
         "//src/v/ssx:future_util",
         "//src/v/ssx:work_queue",
+        "//src/v/utils:prefix_logger",
         "@seastar",
     ],
 )

src/v/cloud_topics/level_one/maintenance/compaction/BUILD

@@ -40,13 +40,12 @@ redpanda_cc_library(
         ":compaction_filter",
         "//src/v/bytes",
         "//src/v/bytes:iostream",
-        "//src/v/cloud_storage_clients",
         "//src/v/cloud_topics:log_reader_config",
         "//src/v/cloud_topics/level_one/common:abstract_io",
         "//src/v/cloud_topics/level_one/common:object",
-        "//src/v/cloud_topics/level_one/common:object_id",
         "//src/v/cloud_topics/level_one/frontend_reader:level_one_reader_probe",
         "//src/v/cloud_topics/level_one/frontend_reader:reader",
+        "//src/v/cloud_topics/level_one/maintenance:l1_object_sink",
         "//src/v/cloud_topics/level_one/maintenance:logger",
         "//src/v/cloud_topics/level_one/maintenance:meta",
         "//src/v/cloud_topics/level_one/maintenance:worker_probe",
@@ -62,7 +61,7 @@ redpanda_cc_library(
         "//src/v/container:chunked_vector",
         "//src/v/model",
         "//src/v/model:batch_compression",
-        "//src/v/ssx:future_util",
+        "//src/v/utils:prefix_logger",
         "@seastar",
     ],
 )