merge: 合并远程 ft_wyt 分支，解决冲突

backend/app/db/sql/000_full_init.sql

@@ -111,6 +111,8 @@ CREATE TABLE IF NOT EXISTS model_artifacts (
     path TEXT NOT NULL,
     size_bytes BIGINT NOT NULL DEFAULT 0,
     checksum_sha256 TEXT,
+    storage_object_id TEXT,
+    storage_backend TEXT NOT NULL DEFAULT 'minio',
     metadata TEXT NOT NULL,
     compute_job_id TEXT,
     create_time TEXT NOT NULL
@@ -303,6 +305,7 @@ CREATE TABLE IF NOT EXISTS storage_objects (
     checksum_sha256 TEXT,
     byte_size BIGINT NOT NULL DEFAULT 0,
     status TEXT NOT NULL DEFAULT 'pending',
+    metadata TEXT NOT NULL DEFAULT '{}',
     created_by TEXT,
     create_time TEXT NOT NULL,
     UNIQUE (resource_type, resource_id, version_id, object_key)
@@ -630,6 +633,9 @@ ALTER TABLE dataset_files ADD COLUMN IF NOT EXISTS metadata TEXT NOT NULL DEFAUL
 ALTER TABLE dataset_files ADD COLUMN IF NOT EXISTS created_at TIMESTAMPTZ NOT NULL DEFAULT now();
 ALTER TABLE dataset_files ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ NOT NULL DEFAULT now();
 ALTER TABLE dataset_files ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ;
+ALTER TABLE model_artifacts ADD COLUMN IF NOT EXISTS storage_object_id TEXT;
+ALTER TABLE model_artifacts ADD COLUMN IF NOT EXISTS storage_backend TEXT NOT NULL DEFAULT 'minio';
+ALTER TABLE storage_objects ADD COLUMN IF NOT EXISTS metadata TEXT NOT NULL DEFAULT '{}';
 
 -- ---- 数据处理任务 / 源文件 / 预览 / 结果 ----
 
@@ -860,12 +866,17 @@ CREATE TABLE IF NOT EXISTS data_convert_tasks (
     input_count INTEGER NOT NULL DEFAULT 0,
     output_count INTEGER NOT NULL DEFAULT 0,
     error_message TEXT,
+    output_content TEXT,
     create_time TEXT NOT NULL DEFAULT (to_char(now(), 'YYYY-MM-DD"T"HH24:MI:SS.MS"Z"')),
     update_time TEXT NOT NULL DEFAULT (to_char(now(), 'YYYY-MM-DD"T"HH24:MI:SS.MS"Z"')),
     deleted_at TIMESTAMPTZ
 );
 CREATE INDEX IF NOT EXISTS idx_data_convert_tasks_status ON data_convert_tasks(status);
 CREATE INDEX IF NOT EXISTS idx_data_convert_tasks_create_time ON data_convert_tasks(create_time DESC);
+ALTER TABLE data_convert_tasks ADD COLUMN IF NOT EXISTS storage_backend TEXT NOT NULL DEFAULT 'minio';
+ALTER TABLE data_convert_tasks ADD COLUMN IF NOT EXISTS output_storage_object_id TEXT;
+ALTER TABLE data_convert_tasks ADD COLUMN IF NOT EXISTS output_content TEXT;
+ALTER TABLE eval_tasks ADD COLUMN IF NOT EXISTS report_storage_object_id TEXT;
 
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 -- 七、种子数据：初始管理员 / 操作员