사례개념화 워크시트 저장 추가

infra/db/init/06_session_evaluation.sql

@@ -70,3 +70,61 @@ CREATE POLICY p_session_evaluation_delete
         AND s.learner_id = app.current_uid()
     )
   );
+
+-- Learner-edited case formulation worksheet for session review.
+CREATE TABLE IF NOT EXISTS app.case_worksheet (
+  session_id UUID PRIMARY KEY REFERENCES app.sessions(id) ON DELETE CASCADE,
+  payload JSONB NOT NULL DEFAULT '{}'::jsonb,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+ALTER TABLE app.case_worksheet ENABLE ROW LEVEL SECURITY;
+
+DROP POLICY IF EXISTS p_case_worksheet_select ON app.case_worksheet;
+DROP POLICY IF EXISTS p_case_worksheet_insert ON app.case_worksheet;
+DROP POLICY IF EXISTS p_case_worksheet_update ON app.case_worksheet;
+DROP POLICY IF EXISTS p_case_worksheet_delete ON app.case_worksheet;
+
+CREATE POLICY p_case_worksheet_select
+  ON app.case_worksheet FOR SELECT USING (
+    app.current_role_name() IN ('admin','instructor')
+    OR EXISTS (
+      SELECT 1 FROM app.sessions s
+      WHERE s.id = app.case_worksheet.session_id
+        AND s.learner_id = app.current_uid()
+    )
+  );
+
+CREATE POLICY p_case_worksheet_insert
+  ON app.case_worksheet FOR INSERT WITH CHECK (
+    EXISTS (
+      SELECT 1 FROM app.sessions s
+      WHERE s.id = app.case_worksheet.session_id
+        AND s.learner_id = app.current_uid()
+    )
+  );
+
+CREATE POLICY p_case_worksheet_update
+  ON app.case_worksheet FOR UPDATE USING (
+    EXISTS (
+      SELECT 1 FROM app.sessions s
+      WHERE s.id = app.case_worksheet.session_id
+        AND s.learner_id = app.current_uid()
+    )
+  ) WITH CHECK (
+    EXISTS (
+      SELECT 1 FROM app.sessions s
+      WHERE s.id = app.case_worksheet.session_id
+        AND s.learner_id = app.current_uid()
+    )
+  );
+
+CREATE POLICY p_case_worksheet_delete
+  ON app.case_worksheet FOR DELETE USING (
+    EXISTS (
+      SELECT 1 FROM app.sessions s
+      WHERE s.id = app.case_worksheet.session_id
+        AND s.learner_id = app.current_uid()
+    )
+  );