Add Column
Current Schema
CREATE TABLE episode_context_index (
episode_id TEXT NOT NULL,
intent TEXT NOT NULL,
retrieval_mode TEXT NOT NULL,
context_event_id TEXT NOT NULL,
context_seq INTEGER NOT NULL,
context_ts TEXT NOT NULL,
max_input_seq INTEGER NOT NULL,
local_day_bucket TEXT NOT NULL,
PRIMARY KEY (episode_id, intent, retrieval_mode)
)