More Gradle cleanup

Mostly configuration cache support. And an aborted attempt at updating
spotless, which just resulted in a bunch of ktlint issues :/.

projects/fabric/build.gradle.kts

@@ -61,6 +61,16 @@ configurations {
     include { extendsFrom(includeRuntimeOnly.get(), includeImplementation.get()) }
     runtimeOnly { extendsFrom(includeRuntimeOnly.get()) }
     implementation { extendsFrom(includeImplementation.get()) }
+
+    // Declare a configuration for projects which are on the compile and runtime classpath, but not treated as
+    // dependencies. This is used for our local projects.
+    val localImplementation by registering {
+        isCanBeResolved = false
+        isCanBeConsumed = false
+        isVisible = false
+    }
+    compileClasspath { extendsFrom(localImplementation.get()) }
+    runtimeClasspath { extendsFrom(localImplementation.get()) }
 }
 
 dependencies {
@@ -90,9 +100,9 @@ dependencies {
     "includeImplementation"(libs.nightConfig.toml)
 
     // Pull in our other projects. See comments in MinecraftConfigurations on this nastiness.
-    api(commonClasses(project(":fabric-api"))) { cct.exclude(this) }
-    clientApi(clientClasses(project(":fabric-api"))) { cct.exclude(this) }
-    implementation(project(":core")) { cct.exclude(this) }
+    "localImplementation"(project(":core"))
+    "localImplementation"(commonClasses(project(":fabric-api")))
+    clientImplementation(clientClasses(project(":fabric-api")))
 
     annotationProcessorEverywhere(libs.autoService)
 
@@ -210,11 +220,9 @@ loom {
 }
 
 tasks.processResources {
-    inputs.property("version", modVersion)
+    var props = mapOf("version" to modVersion)
 
-    filesMatching("fabric.mod.json") {
-        expand(mapOf("version" to modVersion))
-    }
+    filesMatching("fabric.mod.json") { expand(props) }
 }
 
 tasks.jar {