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Dion Moult
75c9da5098
Rename the two overloaded model identifiers and make object_id assignment single-authority, fixing a pick -> properties mismatch. Identifiers: - Per-model UUID fed_id -> model_id; the uint32 runtime handle model_id -> session_model_id (SessionState accessors + mirror hashes renamed to match). "fed_id" was a misnomer -- the federation is the whole collection, not one model. object_id assignment (fixes wrong class on click): - Producers (GeometryStreamer, .ifcview sidecar) now stamp model-LOCAL object_ids; ViewportCore::applyCachedModel is the sole authority that assigns the session-global id (base + local). Removed SceneLoader::next_object_id_, GeometryStreamer::lastObjectId(), and the streamer's start_object_id parameter. - The element table is stamped by the same base on both load paths (applySidecarData and onStreamerFinished), so registry ids match the ids pick returns. Previously the sidecar path double-rebased instances vs the registry (click IfcSite -> showed IfcDoor); the live-stream path had the same latent mismatch. Both closed. Naming / cleanup: - SceneLoader::addFiles -> queueModels; startStreamLoadFor -> loadFromGeometryStreamer; readSidecarMetadataOnly -> readSidecarMetadata. - Federation::addModel takes an explicit display_name (no QFileInfo fallback); callers pass QFileInfo(path).fileName(). - Disambiguate cryptic short locals (d->sidecar, m->model, c->chunk, ...) in SceneLoader, Federation, ViewportWindow, AreaMeasurement, SectionGizmoRenderer, and the SidecarData/SidecarReadPlan spots in ViewportCore. Tests: 125/125 pass. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>