Replace all TypeScript JSON imports with an HWDataService that loads
6 data files from /assets/files-data/ via HttpClient with shareReplay(1).
Update all 9 consumer components to subscribe asynchronously. Remove
unused qcm-bpa.json import and dead methods from QcmComponent.
Add ADR 0013 documenting the decision.
Rewrites all 12 frontend ADRs from a custom structure to the MADR 2.1.2
template required by the VS Code ADR Manager extension: bullet metadata
(Status/Date), standardised section headings, "Chosen option: X, because Y"
wording, and explicit Pros/Cons blocks per option.