Link prior moderation actions to case decisions

src/lib/server/moderation/schema.ts

@@ -149,3 +149,19 @@ export function migrateModerationCases(handle: Database.Database): void {
         CREATE INDEX IF NOT EXISTS moderation_events_subject_id ON moderation_events(subject_id,id);
     `);
 }
+
+/** Links record prior enforcement without changing its original case or issuing it again. */
+export function migrateModerationCaseActions(handle: Database.Database): void {
+    handle.exec(`
+        CREATE TABLE IF NOT EXISTS moderation_case_action_links (
+            case_id TEXT NOT NULL REFERENCES moderation_cases(id),
+            action_type TEXT NOT NULL CHECK(action_type IN ('action','restriction')),
+            action_id TEXT NOT NULL,
+            actor TEXT NOT NULL,
+            created_at TEXT NOT NULL,
+            PRIMARY KEY(case_id,action_type,action_id)
+        );
+        CREATE INDEX IF NOT EXISTS moderation_case_action_source
+            ON moderation_case_action_links(action_type,action_id);
+    `);
+}