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offline-backend-20260512/backend/scripts/sql/column_additions_mysql.sql

@@ -117,6 +117,11 @@ CALL _add_column_if_missing('knowledge_notes', 'folder', 'VARCHAR(512) NULL DEFA
 --          ORM: RoundtableJobRow.task_id = String(128), nullable, indexed。
 CALL _add_column_if_missing('roundtable_jobs', 'task_id', 'VARCHAR(128) NULL DEFAULT NULL');
 
+-- ---- position_roundtable_sessions: opt-in task sharing, migration 20260808_01 ----
+-- Existing records remain personal (`task_scoped = 0`). New records become
+-- shared only when the caller explicitly sends a non-empty route taskId.
+CALL _add_column_if_missing('position_roundtable_sessions', 'task_scoped', 'TINYINT(1) NOT NULL DEFAULT 0');
+
 -- ---- 按钮管理「外部链接」追加登录参数,对应 migration 20260625_01 ----------------
 -- login_params_json: url 外链追加的登录参数列表 JSON([{key,source,custom_value},...]),
 --                    由前端运行时从 userInfo 解析后拼到地址尾部;NULL/空 = 不追加(旧行为)。
@@ -199,5 +204,6 @@ SELECT table_name, column_name
         OR (table_name = 'agents' AND column_name IN ('square_id'))
         OR (table_name = 'roundtable_drafts' AND column_name = 'task_id')
         OR (table_name = 'roundtable_jobs' AND column_name = 'task_id')
+        OR (table_name = 'position_roundtable_sessions' AND column_name = 'task_scoped')
         OR (table_name = 'task_buttons' AND column_name IN ('append_auth', 'auth_token_param', 'auth_name_param')))
  ORDER BY table_name, column_name;

offline-backend-20260512/backend/scripts/sql/leaderboard_indexes_mysql.sql

@@ -68,6 +68,10 @@ CALL _create_index_if_missing('llm_call_metrics', 'ix_llm_call_metrics_run_creat
 CALL _create_index_if_missing('threads_meta', 'ix_threads_meta_created_user', '`created_at`, `user_id`');
 CALL _create_index_if_missing('threads_meta', 'ix_threads_meta_user_created', '`user_id`, `created_at`');
 
+-- ---- position_roundtable_sessions --------------------------------------------
+-- Explicit taskId history is loaded by taskId and newest update time.
+CALL _create_index_if_missing('position_roundtable_sessions', 'ix_position_roundtable_sessions_task_updated', '`external_task_id`, `updated_at`');
+
 -- ---- 清理临时存储过程 --------------------------------------------------------
 DROP PROCEDURE IF EXISTS _create_index_if_missing;