chore: clean up post-merge artifacts and rebrand references

Remove accidentally committed Gradle build cache files from the
JetBrains package, add the .gradle directory to .gitignore, and
update user-facing strings from "opencode.json" to "kilo.json".

packages/opencode/src/cli/cmd/tui/component/dialog-provider.tsx

@@ -86,7 +86,7 @@ export function createDialogProviderOptions() {
       placeholder: "Provider id",
       description: () => (
         <text fg={theme.textMuted}>
-          This only stores a credential. Configure the provider in opencode.json to use it.
+          This only stores a credential. Configure the provider in kilo.json to use it.{/* kilocode_change */}
         </text>
       ),
     })
@@ -381,7 +381,7 @@ function ApiMethod(props: ApiMethodProps) {
         if (props.custom && !sync.data.provider_next.all.some((provider) => provider.id === props.providerID)) {
           toast.show({
             variant: "info",
-            message: `Saved credential for ${props.providerID}. Configure it in opencode.json to use it.`,
+            message: `Saved credential for ${props.providerID}. Configure it in kilo.json to use it.`, // kilocode_change
           })
           dialog.clear()
           return

packages/opencode/src/cli/cmd/tui/context/local.tsx

@@ -476,6 +476,7 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
         duration: 3000,
       })
     })
+    // kilocode_change end
 
     const result = {
       model,