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13 — Projection Cross-Feature Tests

Cross-feature interactions between projection switches and geometry, data tables, north pole, extent, and vector tiles.

Test plan: 13-projection.md

Map 1 — LCC with drawer, vector layer, data table, projection switch

Draw geometry, open data table, then switch projection. Verify geometry reprojects and table survives.

Map 2 — WM with max extent override + projection switch

Max extent [-180, 0, 100, 80]. Verify constraint applies after switching to LCC and back to WM.

Map 3 — WM with vector tile layer

Switch projection to LCC — vector tile should show incompatibility warning.