Most of the existing coercions are legitimate (Drizzle raw-SQL row
shapes, linkedom DOMParser interop, fit-file-parser's loose \`any\`
callback API) — leaving those is honest. The ones cleaned up here
were shims around APIs that have real types we just hadn't wired:
- **\`window.__leafletMap\`** (4 sites: MapHelpers.tsx, SessionView.tsx ×3)
Added \`Window\` declaration in \`apps/planner/app/types/global.d.ts\`.
Callers now use plain \`window.__leafletMap\` typed as
\`L.Map | undefined\`.
- **\`L.markerClusterGroup\`** (PoiPanel.tsx) — leaflet.markercluster
augments the global \`L\` namespace at runtime but ships no types.
Added a \`declare module \"leaflet\"\` block in the same global.d.ts
with a minimal signature for what we actually use.
- **\`L.DomEvent.preventDefault / .stop\`** taking a Leaflet event
rather than a native one (PlannerMap.tsx, RouteInteraction.tsx,
NoGoAreaLayer.tsx). Leaflet events carry the native event under
\`.originalEvent\`; using that drops the cast entirely.
- **\`_creds as unknown as OAuthCredentials\`** orphan in
wahoo/webhook.ts — \`_creds\` was unused inside the callback (the
void-cast was a no-op preserving the type for documentation).
Replaced with \`async ()\`, dropped the unused import.
Net: 26 \`as unknown as\` / \`as any\` sites → 19, all remaining ones
gated by external lib interop or Drizzle raw-SQL.
Full repo: pnpm typecheck / lint / test all green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>