Game::availability used string labels that were carried through persisted
library data, protocol summaries, and the Tauri-facing game payload. That
allowed invalid states to exist and required legacy summary conversion code to
defensively map strings back into protocol availability values.
Move Availability to lanspread-db and re-export it from lanspread-proto so the
persisted Game type and wire GameSummary type share one serde enum. The JSON
spelling stays Ready, Downloading, or LocalOnly, so the serialized shape does
not change for current library indexes or peer payloads.
Add typed helpers for sentinel-derived download state. Game::set_downloaded
keeps downloaded and Ready/LocalOnly in lockstep and intentionally collapses
non-ready local state, including Downloading, back to LocalOnly. That matches
the current local-summary contract where active operations are suppressed
instead of advertised as Downloading. Game::normalized_availability keeps the
legacy Game-to-summary path from publishing an inconsistent Ready value when
downloaded is false.
Update the follow-up status note so typed availability is no longer listed as
open work.
Test Plan:
- just fmt
- just test
- just clippy
- just build
Refs: none
The follow-up review found a few stale lifecycle edges around local game
transactions. Recovery could sweep active roots, post-operation refreshes
still re-ran full startup recovery, and the UI kept inferring local-only state
from downloaded and installed flags instead of the backend availability.
This updates the peer lifecycle so startup recovery skips active operations,
install/update/uninstall refresh only the affected game after the operation
guard is dropped, and path-changing game-directory updates are rejected while
operations are active. It also removes the dead UpdateGame command, drops the
unused manifest_hash write field while preserving old JSON reads, renames the
internal install-finished event, and carries availability through the DB,
peer summaries, Tauri refreshes, and the React model.
The included follow-up documents record the review source, implementation
decisions, and the remaining FOLLOW_UP_2.md work so later commits can stay
small instead of reopening the completed plan items.
Test Plan:
- git diff --check
- just fmt
- just clippy
- just test
Follow-up-Plan: FOLLOW_UP_PLAN.md
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