romshark / datapages / 37193018709

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fix: Report App action path errors one by one

An action on App reports all mismatches between its route and its
Path struct as one error at the method name. A page action reports
each one where it is. Take:

    // POSTMove is /move/{id}/{slug}
    func (*App) POSTMove(
        r *http.Request,
        path datapages.Path[struct {
            Name string `path:"name"`
        }],
    ) error

datapages lint prints one error at POSTMove that holds three
messages:

    at app.go:19:13: path struct field tag does not match any
    route variable: "name" in App.POSTMove
    route variable has no matching path struct field: {id}
    in App.POSTMove
    route variable has no matching path struct field: {slug}
    in App.POSTMove

    error: parsing app package: 1 error(s)

Report three errors instead: {id} and {slug} at the path parameter,
and "name" at the Name field.

5 of 5 new or added lines in 1 file covered. (100.0%)

14751 of 36396 relevant lines covered (40.53%)

546.26 hits per line