Add documented KoKonna failure policy, bounded retries and durable recovery escalation [skip ci]

pigway_frame_flow/storage/database.py

@@ -31,6 +31,7 @@ class Database:
         CREATE TABLE IF NOT EXISTS image_sources (device_id TEXT, image_id INTEGER, asset_id TEXT, operation_id TEXT, payload TEXT NOT NULL, PRIMARY KEY(device_id,image_id));
         CREATE TABLE IF NOT EXISTS app_config (key TEXT PRIMARY KEY, payload TEXT NOT NULL);
         CREATE TABLE IF NOT EXISTS playlists (id TEXT PRIMARY KEY, payload TEXT, position INTEGER, next_run TEXT);
+        CREATE TABLE IF NOT EXISTS operation_recovery (operation_id TEXT PRIMARY KEY, state TEXT NOT NULL, reason TEXT NOT NULL, first_checked_at TEXT NOT NULL, last_checked_at TEXT NOT NULL, checks INTEGER NOT NULL);
         CREATE TABLE IF NOT EXISTS operations (
             id TEXT PRIMARY KEY, status TEXT NOT NULL, action TEXT NOT NULL,
             payload TEXT NOT NULL, device_id TEXT NOT NULL, client_id TEXT NOT NULL,