Publish the server's commands for the staff panel

src/main/java/net/tfminecraft/tfmcweb/api/LuckPermsBridgeClient.java

@@ -31,6 +31,7 @@ public final class LuckPermsBridgeClient {
 	static final String SNAPSHOT_UNCHANGED = "/luckperms/plugin/snapshot/unchanged";
 	static final String CHANGES = "/luckperms/plugin/changes";
 	static final String RESULTS = "/luckperms/plugin/changes/results";
+	static final String COMMANDS = "/luckperms/plugin/commands";
 
 	private LuckPermsBridgeClient() {}
 
@@ -370,6 +371,24 @@ public static CallResult putSnapshot(String json) {
 		return CallResult.success();
 	}
 
+	/** Replaces the site's command list for the Commands tab. */
+	public static CallResult putCommands(String json) {
+		GatewayResult raw = ProvinceSystemGateway.requestBytes(
+			"PUT",
+			COMMANDS,
+			json.getBytes(StandardCharsets.UTF_8),
+			"application/json"
+		);
+		if (!raw.ok) {
+			return CallResult.fail(raw.status, raw.error);
+		}
+		JsonObject root = object(raw.body);
+		if (root == null || !isTrue(root.get("ok"))) {
+			return CallResult.fail(raw.status, "Command list was not accepted");
+		}
+		return CallResult.success();
+	}
+
 	public static UnchangedResult snapshotUnchanged(String hash, long revision) {
 		JsonObject body = new JsonObject();
 		body.addProperty("hash", hash);

src/main/java/net/tfminecraft/tfmcweb/luckperms/BridgeStore.java

@@ -1,5 +1,8 @@
 package net.tfminecraft.tfmcweb.luckperms;
 
+import java.util.Map;
+import java.util.function.Function;
+
 import com.google.gson.JsonObject;
 
 import net.tfminecraft.tfmcweb.api.LuckPermsBridgeClient.Change;
@@ -32,4 +35,10 @@ public interface BridgeStore {
 	 * saves once, or changes nothing. Never throws for a refused change.
 	 */
 	ChangeResult apply(Change change);
+
+	/**
+	 * @return each group's check on this server: true or false as LuckPerms resolves the
+	 *     permission, or null when the group has no node for it
+	 */
+	Map<String, Function<String, Boolean>> groupChecks();
 }