diff --git a/cpp/tests/test_badge.cpp b/cpp/tests/test_badge.cpp
new file mode 100644
index 00000000..bf5059f4
--- /dev/null
+++ b/cpp/tests/test_badge.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para badge — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("badge: compiles and links against Catch2", "[badge][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_bar_chart.cpp b/cpp/tests/test_bar_chart.cpp
new file mode 100644
index 00000000..150b2a1f
--- /dev/null
+++ b/cpp/tests/test_bar_chart.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para bar_chart — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("bar_chart: compiles and links against Catch2", "[bar_chart][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_button.cpp b/cpp/tests/test_button.cpp
new file mode 100644
index 00000000..36b615a6
--- /dev/null
+++ b/cpp/tests/test_button.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para button — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("button: compiles and links against Catch2", "[button][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_dashboard_grid.cpp b/cpp/tests/test_dashboard_grid.cpp
new file mode 100644
index 00000000..62071f15
--- /dev/null
+++ b/cpp/tests/test_dashboard_grid.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para dashboard_grid — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("dashboard_grid: compiles and links against Catch2", "[dashboard_grid][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_dashboard_panel.cpp b/cpp/tests/test_dashboard_panel.cpp
new file mode 100644
index 00000000..d1b9e4b6
--- /dev/null
+++ b/cpp/tests/test_dashboard_panel.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para dashboard_panel — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("dashboard_panel: compiles and links against Catch2", "[dashboard_panel][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_empty_state.cpp b/cpp/tests/test_empty_state.cpp
new file mode 100644
index 00000000..9d40fa55
--- /dev/null
+++ b/cpp/tests/test_empty_state.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para empty_state — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("empty_state: compiles and links against Catch2", "[empty_state][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_icon_button.cpp b/cpp/tests/test_icon_button.cpp
new file mode 100644
index 00000000..c64ff5c4
--- /dev/null
+++ b/cpp/tests/test_icon_button.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para icon_button — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("icon_button: compiles and links against Catch2", "[icon_button][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_kpi_card.cpp b/cpp/tests/test_kpi_card.cpp
new file mode 100644
index 00000000..3055e62d
--- /dev/null
+++ b/cpp/tests/test_kpi_card.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para kpi_card — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("kpi_card: compiles and links against Catch2", "[kpi_card][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_modal_dialog.cpp b/cpp/tests/test_modal_dialog.cpp
new file mode 100644
index 00000000..d0e2f20f
--- /dev/null
+++ b/cpp/tests/test_modal_dialog.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para modal_dialog — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("modal_dialog: compiles and links against Catch2", "[modal_dialog][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_page_header.cpp b/cpp/tests/test_page_header.cpp
new file mode 100644
index 00000000..83fb793f
--- /dev/null
+++ b/cpp/tests/test_page_header.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para page_header — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("page_header: compiles and links against Catch2", "[page_header][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_pie_chart.cpp b/cpp/tests/test_pie_chart.cpp
new file mode 100644
index 00000000..63622f29
--- /dev/null
+++ b/cpp/tests/test_pie_chart.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para pie_chart — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("pie_chart: compiles and links against Catch2", "[pie_chart][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_select.cpp b/cpp/tests/test_select.cpp
new file mode 100644
index 00000000..b8a59ada
--- /dev/null
+++ b/cpp/tests/test_select.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para select — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("select: compiles and links against Catch2", "[select][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_sparkline.cpp b/cpp/tests/test_sparkline.cpp
new file mode 100644
index 00000000..04f0b71c
--- /dev/null
+++ b/cpp/tests/test_sparkline.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para sparkline — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("sparkline: compiles and links against Catch2", "[sparkline][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_table_view.cpp b/cpp/tests/test_table_view.cpp
new file mode 100644
index 00000000..9169d870
--- /dev/null
+++ b/cpp/tests/test_table_view.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para table_view — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("table_view: compiles and links against Catch2", "[table_view][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_text_input.cpp b/cpp/tests/test_text_input.cpp
new file mode 100644
index 00000000..1e2bfedf
--- /dev/null
+++ b/cpp/tests/test_text_input.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para text_input — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("text_input: compiles and links against Catch2", "[text_input][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_toast.cpp b/cpp/tests/test_toast.cpp
new file mode 100644
index 00000000..2c81bb47
--- /dev/null
+++ b/cpp/tests/test_toast.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para toast — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("toast: compiles and links against Catch2", "[toast][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_tokens.cpp b/cpp/tests/test_tokens.cpp
new file mode 100644
index 00000000..295d8dd5
--- /dev/null
+++ b/cpp/tests/test_tokens.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para tokens — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("tokens: compiles and links against Catch2", "[tokens][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_toolbar.cpp b/cpp/tests/test_toolbar.cpp
new file mode 100644
index 00000000..255e432a
--- /dev/null
+++ b/cpp/tests/test_toolbar.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para toolbar — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("toolbar: compiles and links against Catch2", "[toolbar][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}
diff --git a/cpp/tests/test_tree_view.cpp b/cpp/tests/test_tree_view.cpp
new file mode 100644
index 00000000..054796c2
--- /dev/null
+++ b/cpp/tests/test_tree_view.cpp
@@ -0,0 +1,14 @@
+// Placeholder test para tree_view — el componente requiere contexto ImGui activo
+// para validar comportamiento real (rendering, hit-testing, eventos). La
+// validacion visual se cubre en primitives_gallery (issue 0048).
+//
+// Este test garantiza que el .cpp compila contra Catch2 y reserva el slot
+// para futuros tests de logica pura que se extraigan del componente.
+
+#define CATCH_CONFIG_MAIN
+#include "catch_amalgamated.hpp"
+
+TEST_CASE("tree_view: compiles and links against Catch2", "[tree_view][placeholder]") {
+    INFO("Visual / behavioural test pending — see primitives_gallery (issue 0048).");
+    REQUIRE(true);
+}