Module lagrange 

Structs

CompositionGraph

A complete composition graph with metadata.

Enums

CompositionNode

A composition graph node. The core AST for Noether’s composition language.

PrefixResolutionError

Errors raised by resolve_stage_prefixes when an ID in the graph cannot be uniquely resolved against the store.

Functions

collect_stage_ids

Collect all StageIds referenced in a composition node.

compute_composition_id

Compute a deterministic composition ID (SHA-256 of canonical JSON).

parse_graph

Parse a Lagrange JSON string into a CompositionGraph.

resolve_stage_prefixes

Walk a composition graph and replace any stage IDs that are unique prefixes — or human-authored names — of a real stage in the store with their full 64-character IDs.

serialize_graph

Serialize a CompositionGraph to pretty-printed JSON.