Add Fabric client IRC chat mod and Drone pipeline

src/main/java/ru/nevetime/clientirc/ClientIrcMod.java

@@ -0,0 +1,108 @@
+package ru.nevetime.clientirc;
+
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.fabricmc.fabric.api.client.message.v1.ClientSendMessageEvents;
+import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.text.Text;
+import net.minecraft.util.Formatting;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class ClientIrcMod implements ClientModInitializer {
+    public static final String MOD_ID = "clientirc";
+    public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
+
+    private static final String COMMAND_PREFIX = ".irc";
+
+    private static IrcConfig config;
+    private static IrcService service;
+
+    @Override
+    public void onInitializeClient() {
+        config = IrcConfig.load(FabricLoader.getInstance().getConfigDir().resolve("clientirc.json"));
+        service = new IrcService(config, LOGGER);
+
+        ClientLifecycleEvents.CLIENT_STARTED.register(client -> {
+            if (config.autoConnect) {
+                service.connect(resolvePlayerName(client));
+            }
+        });
+
+        ClientTickEvents.END_CLIENT_TICK.register(client -> {
+            IrcService.DisplayLine line;
+            while ((line = service.pollLine()) != null) {
+                Formatting color = line.system() ? Formatting.GRAY : Formatting.AQUA;
+                pushClientChat(client, Text.literal(line.text()).formatted(color));
+            }
+        });
+
+        ClientSendMessageEvents.ALLOW_CHAT.register(message -> !interceptOutgoingChat(message));
+    }
+
+    private static boolean interceptOutgoingChat(String rawMessage) {
+        String trimmed = rawMessage.trim();
+        if (!trimmed.startsWith(COMMAND_PREFIX)) {
+            return false;
+        }
+
+        MinecraftClient client = MinecraftClient.getInstance();
+        String argument = trimmed.length() == COMMAND_PREFIX.length() ? "" : trimmed.substring(COMMAND_PREFIX.length()).trim();
+
+        if (argument.isBlank()) {
+            pushClientChat(client, Text.literal("[IRC] Usage: .irc <message> | .irc status | .irc reconnect | .irc reload").formatted(Formatting.YELLOW));
+            return true;
+        }
+
+        if ("status".equalsIgnoreCase(argument)) {
+            String status = service.isConnected() ? "connected" : "disconnected";
+            pushClientChat(client, Text.literal("[IRC] " + status + " | " + config.host + ":" + config.port + " | clientName=" + config.clientName).formatted(Formatting.YELLOW));
+            return true;
+        }
+
+        if ("reconnect".equalsIgnoreCase(argument)) {
+            boolean connected = service.reconnect(resolvePlayerName(client));
+            Formatting color = connected ? Formatting.GREEN : Formatting.RED;
+            pushClientChat(client, Text.literal("[IRC] reconnect " + (connected ? "ok" : "failed")).formatted(color));
+            return true;
+        }
+
+        if ("reload".equalsIgnoreCase(argument)) {
+            config = IrcConfig.load(FabricLoader.getInstance().getConfigDir().resolve("clientirc.json"));
+            service.updateConfig(config);
+            pushClientChat(client, Text.literal("[IRC] config reloaded").formatted(Formatting.YELLOW));
+            return true;
+        }
+
+        if (!service.ensureConnected(resolvePlayerName(client))) {
+            pushClientChat(client, Text.literal("[IRC] server is offline or config is wrong").formatted(Formatting.RED));
+            return true;
+        }
+
+        boolean sent = service.sendChat(resolvePlayerName(client), argument);
+        if (!sent) {
+            pushClientChat(client, Text.literal("[IRC] send failed").formatted(Formatting.RED));
+        }
+        return true;
+    }
+
+    private static void pushClientChat(MinecraftClient client, Text text) {
+        if (client == null) {
+            return;
+        }
+        client.execute(() -> client.inGameHud.getChatHud().addMessage(text));
+    }
+
+    private static String resolvePlayerName(MinecraftClient client) {
+        if (client != null && client.player != null) {
+            return client.player.getGameProfile().getName();
+        }
+        if (client != null && client.getSession() != null) {
+            return client.getSession().getUsername();
+        }
+        return "unknown";
+    }
+}
+