feat: add Vulkan capability selection boundary

fixtures/acceptance/coverage.tsv

@@ -21,7 +21,11 @@ S0-CORPUS-005	covered	cargo test -p fparkan-corpus --offline fingerprint_changes
 S0-CORPUS-006	covered	cargo test -p fparkan-corpus --offline atomic_report_write
 S0-CLI-001	covered	cargo test -p fparkan-cli --offline stable_exit_codes_are_mapped
 S0-CLI-002	covered	cargo test -p fparkan-cli --offline accepts_json_format_option archive_json_has_schema_version
-S0-GL-001	covered	cargo test -p fparkan-render-vulkan --offline backend_tracks_render_request_and_presents
+S0-VK-001	covered	cargo test -p fparkan-render-vulkan --offline backend_tracks_render_request_and_presents
+S0-VK-002	covered	cargo test -p fparkan-render-vulkan --offline device_scoring_is_deterministic_and_prefers_discrete_unified_queue
+S0-VK-003	covered	cargo test -p fparkan-render-vulkan --offline portability_subset_is_reported_and_enabled_when_exposed
+S0-VK-004	covered	cargo test -p fparkan-render-vulkan --offline rejects_missing_graphics_present_swapchain_and_format
+S0-VK-005	covered	cargo test -p fparkan-render-vulkan --offline capability_report_json_is_stable
 S0-LIMIT-001	covered	cargo test -p fparkan-binary --offline rejects_count_stride_overflow
 S0-LIMIT-002	covered	cargo test -p fparkan-binary --offline rejects_oversized_declared_allocation_before_read
 L1-P1-NRES-001	covered	cargo test -p fparkan-nres --offline licensed_corpora_nres_roundtrip_gates