sweep

const (
	// ReasonAxisUnreferenced: an axis is named by no placeholder in the
	// request body, the authored label pattern or the overlays — every
	// slot it adds would run the same request.
	ReasonAxisUnreferenced = "axis_unreferenced"
	// ReasonPlaceholderUnknown: a `{{name}}` token, `{"$var": "name"}`
	// marker or `$when` guard names no axis.
	ReasonPlaceholderUnknown = "placeholder_unknown"
	// ReasonPlaceholderInvalid: placeholder syntax the substitution
	// grammar refuses — an unterminated or empty `{{}}`, `{{` inside an
	// object key, a `$var` marker whose name is not a string, a `$when`
	// guard on the request root.
	ReasonPlaceholderInvalid = "placeholder_invalid"
	// ReasonRequestDecode: a substituted request body does not decode
	// strictly into a Request — an unknown key (named under
	// `unknown_field`) or a value of the wrong JSON type.
	ReasonRequestDecode = "request_decode"
	// ReasonRequestLabelSet: the request body sets `label`; a sweep
	// slot's label comes from the sweep `label` pattern.
	ReasonRequestLabelSet = "request_label_set"
	// ReasonOverlaysDecode: a substituted overlays array does not decode
	// into compose overlay specs.
	ReasonOverlaysDecode = "overlays_decode"
	// ReasonLabelEmpty: the label pattern rendered to the empty string
	// for a slot.
	ReasonLabelEmpty = "label_empty"
)

const (
	// ReasonItemDecode: a substituted item does not decode strictly into
	// its slot type — an unknown key (named under `unknown_field`) or a
	// value of the wrong JSON type.
	ReasonItemDecode = "item_decode"
	// ReasonNestedInSweep: a compose sweep body carries an item with a
	// `for_each`. A sweep body is substituted once per slot; a second
	// fan-out inside it is refused rather than expanded twice.
	ReasonNestedInSweep = "nested_in_sweep"
)

const (
	// RankReasonSyntax: `by` is not dotted segments — an empty segment
	// (a leading, trailing or doubled `.`). Refused by predict and the
	// runtime before any slot runs.
	RankReasonSyntax = "syntax"
	// RankReasonMissing: a segment names no key of an object, no list
	// element, or descends through a null. A refusal when the path
	// resolves in no sweep slot; a warning on the slot otherwise.
	RankReasonMissing = "missing"
	// RankReasonNotNumber: the path ends on a string, boolean, object or
	// list, or a segment descends into a scalar. Always a refusal.
	RankReasonNotNumber = "not_number"
	// RankReasonAmbiguous: a segment on a list matches more than one
	// element by `name` / `label`, or matches an element whose `name`
	// and `label` differ. Always a refusal.
	RankReasonAmbiguous = "ambiguous"
	// RankReasonNull: the path ends on null — an undefined figure (NaN
	// on the wire). A warning on the slot; never ranked last.
	RankReasonNull = "null"
)

const (
	ReasonAxesEmpty         = "axes_empty"
	ReasonAxisNameInvalid   = "axis_name_invalid"
	ReasonAxisNameDuplicate = "axis_name_duplicate"
	ReasonValuesEmpty       = "values_empty"
	ReasonValueNotScalar    = "value_not_scalar"
	ReasonModeUnknown       = "mode_unknown"
	ReasonZipLengthMismatch = "zip_length_mismatch"
	ReasonRequestMissing    = "request_missing"
	ReasonRequestNotObject  = "request_not_object"
	ReasonOverlaysNotArray  = "overlays_not_array"
	ReasonRankByEmpty       = "rank_by_empty"
	ReasonRankOrderUnknown  = "rank_order_unknown"
	ReasonRankTopInvalid    = "rank_top_invalid"
)