feat(#76): harvest request-scoped availability and freshness truth

Backend-only re-cut of the #76 availability work onto main, stacked on the
canonical Weekend Context API. Adds request-scoped freshness reporting so
aggregate responses cannot report fresh when a component is stale, plus
local-first driver summary resolution and cache/pacing truth.

The frontend half of #76 is deliberately excluded: it is built on the
Weekend shell that failed owner review, including the full-width Partial
banner treatment. Availability presentation is re-cut with the shell in #89.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
2026-07-26 09:14:37 -04:00
parent d03e480e03
commit 77a6b0f2dd
23 changed files with 1587 additions and 137 deletions

View File

@@ -86,11 +86,29 @@ func TestHandleRaceHubWithoutStore(t *testing.T) {
if hub.Source != query.ResponseSourceNone {
t.Fatalf("source = %q, want %q", hub.Source, query.ResponseSourceNone)
}
if rec.Header().Get(dataSourceHeader) != "none" || rec.Header().Get(dataFreshnessHeader) != "limited" {
t.Fatalf("missing hub metadata = %q/%q", rec.Header().Get(dataSourceHeader), rec.Header().Get(dataFreshnessHeader))
}
if hub.Datasets["session"].Status != query.DatasetStatusMissing {
t.Fatalf("session dataset = %+v, want missing", hub.Datasets["session"])
}
}
func TestHandleRaceHubUnknownSessionWithStoreReportsLimited(t *testing.T) {
st := openTestStore(t)
srv := testServer(t, st)
rec := httptest.NewRecorder()
srv.handleRaceHub(rec, httptest.NewRequest(http.MethodGet, "/api/v1/race-hub?session_key=999999", nil))
var hub query.RaceHub
if err := json.Unmarshal(rec.Body.Bytes(), &hub); err != nil {
t.Fatal(err)
}
if hub.Source != query.ResponseSourceNone || rec.Header().Get(dataSourceHeader) != "none" || rec.Header().Get(dataFreshnessHeader) != "limited" {
t.Fatalf("unknown session = source %q, metadata %q/%q", hub.Source, rec.Header().Get(dataSourceHeader), rec.Header().Get(dataFreshnessHeader))
}
}
func TestHandleRaceHubWithLocalData(t *testing.T) {
st := openTestStore(t)
seedRaceHubStore(t, st)
@@ -117,6 +135,12 @@ func TestHandleRaceHubWithLocalData(t *testing.T) {
if hub.Datasets["results"].Status != query.DatasetStatusMissing {
t.Fatalf("results dataset = %+v, want missing", hub.Datasets["results"])
}
if hub.Source != query.ResponseSourcePartial {
t.Fatalf("source = %q, want partial", hub.Source)
}
if rec.Header().Get(dataSourceHeader) != "local" || rec.Header().Get(dataFreshnessHeader) != "partial" {
t.Fatalf("partial hub metadata = %q/%q", rec.Header().Get(dataSourceHeader), rec.Header().Get(dataFreshnessHeader))
}
}
func TestHandleRaceHubIncludesChapters(t *testing.T) {