Add ESKD exports and catalog updates

Checkpoint: stabilize constructor visuals and schematics

fix: align contactor wire anchoring and component save flow

fix: align 3d wire endpoints with runtime contact anchors

fix: reverse neutral wire animation and refresh anchor-bound contacts

fix: snap stored 2d wire endpoints to current contact anchors

fix: remove enclosure button near cad view

feat: align corner triangle plan to three wall panels

feat: add shape-aware wall lengths for non-rectangular plans

refactor: extract html state and wiring modules

refactor: extract html ui module

refactor: extract html utils and parts modules

refactor: extract html app module

refactor: extract html config and preview modules

refactor: decompose ComponentLibraryPanel into smaller UI modules

feat: unify component selection into ComponentLibraryPanel, delete legacy ComponentSelector, extract ComponentLibrary modules

refactor: remove module-duplicated code from core lua

refactor: extract ui dialog module

refactor: extract ui normalization module

refactor: extract defaults and registry module

refactor: extract partition and shelf modules

refactor: extract plan geometry into lua module

refactor: add lua module loader and first manufacturing module

docs: add project package and prototype references

feat: add object constructor v2 gadget foundation