feat: track download attempts and expose stale rows for re-drive (#13 4/5)#19

roziscoding merged 2 commits into

feat/harden-peer-downloads/3-retry-concurrencyroziscoding/jack:feat/harden-peer-downloads/3-retry-concurrencyfrom

feat/harden-peer-downloads/4-attempts-schemaroziscoding/jack:feat/harden-peer-downloads/4-attempts-schemaCopy head branch name to clipboard