kin: KIN-UI-005 Написать тесты для chat endpoints

core/db.py

@@ -263,6 +263,19 @@ CREATE TABLE IF NOT EXISTS chat_messages (
 );
 
 CREATE INDEX IF NOT EXISTS idx_chat_messages_project ON chat_messages(project_id, created_at);
+
+-- Вложения задач (KIN-090)
+CREATE TABLE IF NOT EXISTS task_attachments (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    task_id TEXT NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+    filename TEXT NOT NULL,
+    path TEXT NOT NULL,
+    mime_type TEXT NOT NULL,
+    size INTEGER NOT NULL,
+    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE INDEX IF NOT EXISTS idx_task_attachments_task ON task_attachments(task_id);
 """