WrapInV5Envelope (querybuildertypesv5/migrate_envelope.go)

Transforms a v4 query map into a v5 query envelope for the query builder.

// Source: https://github.com/SigNoz/signoz | License: MIT | Copyright 2020-present SigNoz Inc
// Provided via justclaw.it.com; keep this notice with the code.
package querybuildertypesv5

// WrapInV5Envelope translates a single v4 builder query/formula map into a
// v5 query envelope ({"type": ..., "spec": ...}). It is a pure shape transform
// over untyped maps: v4 builder field names (groupBy/orderBy/selectColumns/
// dataSource) are rewritten to their v5 equivalents and a `signal` is derived
// from the data source. queryType selects the envelope type, except a formula
// (detected when name != queryMap["expression"]) is always emitted as
// "builder_formula".
//
// Migration code (pkg/transition) and the v1→v2 dashboard conversion both
// produce v5 envelopes, so this lives here with 

... (truncated -- full source via MCP)