feat: wire control plane probe recorder

server/cmd/control-plane/main.go

@@ -86,6 +86,7 @@ func newAPIHandler(db *sql.DB, indexes ...api.CandidateIndex) http.Handler {
 		ProposalBackend: api.ProposalProviderFromStore(db),
 		Assignment:      api.AssignmentProviderFromStore(db),
 		CandidateIndex:  candidateIndex,
+		ProbeRecorder:   store.PostgresQueue{DB: db},
 		Now:             func() time.Time { return time.Now().UTC() },
 	}).Handler()
 }