Whiteboard exact-source and font derivation kit

Application: Excalidraw 0.18.0, modified historical local-only browser edition.
155 actual dependency locations/versions have exact mapped preferred source,
original package metadata, lock identities and full required notices. Core MIT
and dependency-specific notices apply; this archive does not relicense assets.

font-remedy contains official OFL2.1.5 preferred SFD source, release TTF,
full OFL notice and the reproducible TTF-to-WOFF2 modification recipe.
Serialized font family ID9 and asset pathname are stable. Primary name is
OpusDesk Sans. No earlier Liberation1.05 or personal-use Virgil3 binary is
included. All other active font notices and original metadata are included.

The recovered source identities are verified. An upstream Git revision and
independent full-application binary rebuild are not claimed.
