diff --git a/pipeline_service/agent_loop.py b/pipeline_service/agent_loop.py
index 77f3072..40aa061 100644
--- a/pipeline_service/agent_loop.py
+++ b/pipeline_service/agent_loop.py
@@ -2253,7 +2253,7 @@ async def role_agent_run(project_id, role, agent_id=None, model_name=None):
         role_skills = await _build_role_skills_block(sor, project_id, role, org_id)
         # 项目目录名（英文 slug，用于 projects/{项目}/ 路径；产出路径以 project-directory-spec 为准）
         project_name = await _get_project_name(sor, project_id)
-        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else space_dir
+        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else os.path.join(space_dir, 'projects', project_id)
         # 能力工具上下文（project_id/iteration_id/who/agent_id 自动注入，LLM 不可见）
         _iter = None
         try:
@@ -2782,7 +2782,7 @@ async def pm_review_run(project_id, agent_id=None, model_name=None):
         workspace_dir = await _get_workspace_dir(sor, project_id)
         space_dir = await _get_space_dir(sor, project_id)
         project_name = await _get_project_name(sor, project_id)
-        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else space_dir
+        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else os.path.join(space_dir, 'projects', project_id)
 
         try:
             await sor.sqlExe("COMMIT", {})
@@ -3335,7 +3335,7 @@ async def retrospective_run(project_id, agent_id=None, model_name=None):
 
         space_dir = await _get_space_dir(sor, project_id)
         project_name = await _get_project_name(sor, project_id)
-        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else space_dir
+        project_dir = os.path.join(space_dir, 'projects', project_name) if project_name else os.path.join(space_dir, 'projects', project_id)
         await sor.sqlExe("COMMIT", {})
 
         # 问题素材（代码统一收集，PM 不重复实现查询）
@@ -3407,7 +3407,8 @@ async def retrospective_run(project_id, agent_id=None, model_name=None):
         # 报告优先取 LLM write_file 已写的完整版（工具轮写盘），deliver 摘要仅作兜底——
         # 否则完整报告被摘要覆盖、五段结构丢失。
         result_text = deliverable.get("result") or deliverable.get("summary") or ""
-        report_rel = os.path.join('projects', project_name or '', 'docs', '02-retrospective', 'retrospective.md')
+        # 输出文件必须在项目空间内：项目名缺失时用 project_id 兜底目录名（不再落 projects/ 根）
+        report_rel = os.path.join('projects', project_name or project_id, 'docs', '02-retrospective', 'retrospective.md')
         report_abs = os.path.join(space_dir, report_rel)
         try:
             if os.path.isfile(report_abs):