feat(content): add twelve-form Pokemon fan catalog

content-pokemon/build.gradle.kts

@@ -0,0 +1,31 @@
+plugins {
+    `java-library`
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(25)
+    }
+}
+
+tasks.register("verifyNoBinaryAssets") {
+    group = "verification"
+    description = "Rejects copied or generated binary assets from the metadata-only fan-content catalog."
+    inputs.files(fileTree("src/main/resources") {
+        include(
+            "**/*.jar", "**/*.zip", "**/*.class", "**/*.png", "**/*.jpg", "**/*.jpeg",
+            "**/*.ogg", "**/*.wav", "**/*.mp3", "**/*.bbmodel", "**/*.blockymodel", "**/*.blockyanim"
+        )
+    })
+
+    doLast {
+        check(inputs.files.isEmpty) {
+            "content-pokemon may contain metadata only; binary/generated files found: " +
+                inputs.files.files.joinToString { it.path }
+        }
+    }
+}
+
+tasks.named("check") {
+    dependsOn("verifyNoBinaryAssets")
+}