feat: database migrations

common/schemas/ingestion_task.surql

@@ -0,0 +1,19 @@
+# Defines the schema for the 'ingestion_task' table (used by IngestionTask).
+
+DEFINE TABLE IF NOT EXISTS job SCHEMALESS;
+
+# Standard fields
+DEFINE FIELD IF NOT EXISTS created_at ON job TYPE string;
+DEFINE FIELD IF NOT EXISTS updated_at ON job TYPE string;
+
+# Custom fields from the IngestionTask struct
+# IngestionPayload is complex, store as object
+DEFINE FIELD IF NOT EXISTS content ON job TYPE object;
+# IngestionTaskStatus can hold data (InProgress), store as object
+DEFINE FIELD IF NOT EXISTS status ON job TYPE object;
+DEFINE FIELD IF NOT EXISTS user_id ON job TYPE string;
+
+# Indexes explicitly defined in build_indexes and useful for get_unfinished_tasks
+DEFINE INDEX IF NOT EXISTS idx_job_status ON job FIELDS status;
+DEFINE INDEX IF NOT EXISTS idx_job_user ON job FIELDS user_id;
+DEFINE INDEX IF NOT EXISTS idx_job_created ON job FIELDS created_at;