feat: persist participant-scoped proposal recovery

server/store/proposal_recovery_sql_test.go

@@ -0,0 +1,30 @@
+package store
+
+import (
+	"testing"
+	"time"
+)
+
+func TestProposalRecoverySQLBindsParticipantAndExpiresAtReadBoundary(t *testing.T) {
+	for query, fragments := range map[string][]string{
+		ProposalExpireSQL:             {"state = 'OPEN'", "expires_at <= $2", "revision = revision + 1"},
+		ProposalParticipantExpireSQL:  {"response = 'PENDING'", "response = 'TIMED_OUT'"},
+		ProposalRecoverySelectSQL:     {"proposal_id = $1", "player_id = $2", "EXISTS"},
+		ProposalParticipantsSelectSQL: {"proposal_id = $1", "ORDER BY player_id"},
+	} {
+		for _, fragment := range fragments {
+			if !contains(query, fragment) {
+				t.Fatalf("query %q missing %q", query, fragment)
+			}
+		}
+	}
+}
+
+func TestProposalRecoveryRejectsMissingAuthorityInputs(t *testing.T) {
+	if _, err := GetProposal(nil, nil, "player-1", "proposal-1", time.Unix(1000, 0)); err == nil {
+		t.Fatal("nil database accepted")
+	}
+	if _, err := GetProposal(nil, nil, "", "proposal-1", time.Unix(1000, 0)); err == nil {
+		t.Fatal("empty player accepted")
+	}
+}