diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 800edcd9c0..66f3e372d3 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -33,7 +33,7 @@ jobs:
     - name: Update bundles
       if: ${{ github.repository == 'Anuken/Mindustry' }}
       run: |
-        ./gradlew updateBundles
+        ./gradlew -DcompileMethodParams updateBundles
 
         if [ -n "$(git status --porcelain)" ]; then
           git config --global user.name "Github Actions"
@@ -45,7 +45,7 @@ jobs:
     - name: Update scripts, class mappings and map names
       if: ${{ github.repository == 'Anuken/Mindustry' }}
       run: |
-        ./gradlew updateScripts fixMaps
+        ./gradlew -DcompileMethodParams updateScripts fixMaps
 
         if [ -n "$(git status --porcelain)" ]; then
           git config --global user.name "Github Actions"
diff --git a/build.gradle b/build.gradle
index 33d832b58a..7ccf160d83 100644
--- a/build.gradle
+++ b/build.gradle
@@ -534,3 +534,9 @@ task resolveDependencies{
         }
     }
 }
+
+if(System.getProperty("compileMethodParams") != null){
+    project(":core").tasks.withType(JavaCompile).configureEach{
+        options.compilerArgs << '-parameters'
+    }
+}
\ No newline at end of file
diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 5dfe12572e..ed67f3a7de 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -321,8 +321,8 @@ server.admins.none = No admins found!
 server.add = Add Server
 server.delete = Are you sure you want to delete this server?
 server.edit = Edit Server
-server.outdated = [scarlet]Outdated Server![]
-server.outdated.client = [scarlet]Outdated Client![]
+server.outdated = [red]⚠ Outdated Server![]
+server.outdated.client = [red]⚠ Outdated Client![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Custom Build
 confirmban = Are you sure you want to ban "{0}[white]"?
diff --git a/core/assets/bundles/bundle_bg.properties b/core/assets/bundles/bundle_bg.properties
index 4a38654bff..9725ecd569 100644
--- a/core/assets/bundles/bundle_bg.properties
+++ b/core/assets/bundles/bundle_bg.properties
@@ -319,8 +319,8 @@ server.admins.none = Няма намерени администратори!
 server.add = Добави Сървър
 server.delete = Сигурни ли сте, че искате да изтриете този сървър?
 server.edit = Редактирай Сървър
-server.outdated = [scarlet]Остарял Сървър![]
-server.outdated.client = [scarlet]Остарял Клиент![]
+server.outdated = [red]⚠ Остарял Сървър![]
+server.outdated.client = [red]⚠ Остарял Клиент![]
 server.version = [gray]в{0} {1}
 server.custombuild = [accent]Персонализирана компилация
 confirmban = Сигурни ли сте, че искате да баннете "{0}[white]"?
diff --git a/core/assets/bundles/bundle_ca.properties b/core/assets/bundles/bundle_ca.properties
index 361243530e..237369c037 100644
--- a/core/assets/bundles/bundle_ca.properties
+++ b/core/assets/bundles/bundle_ca.properties
@@ -319,8 +319,8 @@ server.admins.none = No s’ha trobat cap administrador!
 server.add = Afegeix un servidor
 server.delete = Esteu segur que voleu esborrar aquest servidor?
 server.edit = Edita el servidor
-server.outdated = [scarlet]Servidor desactualitzat![]
-server.outdated.client = [scarlet]Client desactualitzat![]
+server.outdated = [red]⚠ Servidor desactualitzat![]
+server.outdated.client = [red]⚠ Client desactualitzat![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Versió personalitzada
 confirmban = Esteu segur que voleu bandejar a «{0}[white]»?
diff --git a/core/assets/bundles/bundle_cs.properties b/core/assets/bundles/bundle_cs.properties
index 6e022dd708..2b0886e15f 100644
--- a/core/assets/bundles/bundle_cs.properties
+++ b/core/assets/bundles/bundle_cs.properties
@@ -319,8 +319,8 @@ server.admins.none = Žádní správci nebyli nalezeni.
 server.add = Přidat server
 server.delete = Jsi si jistý, že chceš smazat tento server?
 server.edit = Upravit server
-server.outdated = [scarlet]Zastaralá verze serveru![]
-server.outdated.client = [scarlet]Zastaralá verze klienta![]
+server.outdated = [red]⚠ Zastaralá verze serveru![]
+server.outdated.client = [red]⚠ Zastaralá verze klienta![]
 server.version = [gray]Verze: {0} {1}[]
 server.custombuild = [accent]Upravená verze hry[]
 confirmban = Jsi si jistý, že chceš zakázat hráči "{0}[white]" přístup na server?[]
diff --git a/core/assets/bundles/bundle_es.properties b/core/assets/bundles/bundle_es.properties
index 902fdaefb1..1915cc493a 100644
--- a/core/assets/bundles/bundle_es.properties
+++ b/core/assets/bundles/bundle_es.properties
@@ -319,8 +319,8 @@ server.admins.none = ¡No hay ningún administrador!
 server.add = Agregar servidor
 server.delete = ¿Realmente quieres borrar este servidor?
 server.edit = Editar Servidor
-server.outdated = [scarlet]¡Servidor Desactualizado![]
-server.outdated.client = [scarlet]¡Cliente Desactualizado![]
+server.outdated = [red]⚠ ¡Servidor Desactualizado![]
+server.outdated.client = [red]⚠ ¡Cliente Desactualizado![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Versión personalizada
 confirmban = ¿Quieres vetar a "{0}[white]"?
diff --git a/core/assets/bundles/bundle_fil.properties b/core/assets/bundles/bundle_fil.properties
index bbea5d27bc..4c0666bb4e 100644
--- a/core/assets/bundles/bundle_fil.properties
+++ b/core/assets/bundles/bundle_fil.properties
@@ -319,8 +319,8 @@ server.admins.none = Walang nahnap na admin!
 server.add = Maglagay ng Server
 server.delete = Sigurado ka bang gusto mong tanggalin ang server na ito?
 server.edit = Ipalit ang Server
-server.outdated = [scarlet]Di-bagong Server![]
-server.outdated.client = [scarlet]Di-bagong Client![]
+server.outdated = [red]⚠ Di-bagong Server![]
+server.outdated.client = [red]⚠ Di-bagong Client![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Di-karaniwang Build
 confirmban = Sigurado ka bang gusto mong itanggal si "{0}[white]"?
diff --git a/core/assets/bundles/bundle_fr.properties b/core/assets/bundles/bundle_fr.properties
index b2ed8ed4cb..a2d2ad5449 100644
--- a/core/assets/bundles/bundle_fr.properties
+++ b/core/assets/bundles/bundle_fr.properties
@@ -319,8 +319,8 @@ server.admins.none = Aucun administrateur trouvé !
 server.add = Ajouter un serveur
 server.delete = Êtes-vous sûr de vouloir supprimer ce serveur ?
 server.edit = Modifier le serveur
-server.outdated = [scarlet]Serveur obsolète ![]
-server.outdated.client = [scarlet]Client obsolète ![]
+server.outdated = [red]⚠ Serveur obsolète ![]
+server.outdated.client = [red]⚠ Client obsolète ![]
 server.version = [gray]Version : {0} {1}
 server.custombuild = [accent]Version personnalisée
 confirmban = Êtes-vous sûr de vouloir bannir "{0}[white]" ?
diff --git a/core/assets/bundles/bundle_hu.properties b/core/assets/bundles/bundle_hu.properties
index 8b3cabf853..db33e236c0 100644
--- a/core/assets/bundles/bundle_hu.properties
+++ b/core/assets/bundles/bundle_hu.properties
@@ -319,8 +319,8 @@ server.admins.none = Nem találhatók adminisztrátorok!
 server.add = Kiszolgáló hozzáadása
 server.delete = Biztosan törlöd ezt a kiszolgálót?
 server.edit = Kiszolgáló szerkesztése
-server.outdated = [scarlet]Elavult kiszolgáló![]
-server.outdated.client = [scarlet]Elavult kliens![]
+server.outdated = [red]⚠ Elavult kiszolgáló![]
+server.outdated.client = [red]⚠ Elavult kliens![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Egyéni összeállítás
 confirmban = Biztosan kitiltod a(z) „{0}[white]” nevű játékost?
diff --git a/core/assets/bundles/bundle_id_ID.properties b/core/assets/bundles/bundle_id_ID.properties
index f181fd4fdf..ded42ddc12 100644
--- a/core/assets/bundles/bundle_id_ID.properties
+++ b/core/assets/bundles/bundle_id_ID.properties
@@ -319,8 +319,8 @@ server.admins.none = Tidak ada admin ditemukan!
 server.add = Tambah Server
 server.delete = Anda yakin ingin menghapus server ini?
 server.edit = Sunting Server
-server.outdated = [scarlet]Server Kedaluwarsa![]
-server.outdated.client = [scarlet]Klien Kedaluwarsa![]
+server.outdated = [red]⚠ Server Kedaluwarsa![]
+server.outdated.client = [red]⚠ Klien Kedaluwarsa![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Bentuk Kustom
 confirmban = Anda yakin ingin melarang pemain ini untuk masuk lagi?
diff --git a/core/assets/bundles/bundle_it.properties b/core/assets/bundles/bundle_it.properties
index ed38dff930..ae915b85cc 100644
--- a/core/assets/bundles/bundle_it.properties
+++ b/core/assets/bundles/bundle_it.properties
@@ -319,8 +319,8 @@ server.admins.none = Nessun amministratore trovato!
 server.add = Aggiungi Server
 server.delete = Sei sicuro di voler eliminare questo server?
 server.edit = Modifica Server
-server.outdated = [scarlet]Server Obsoleto![]
-server.outdated.client = [scarlet]Client Obsoleto![]
+server.outdated = [red]⚠ Server Obsoleto![]
+server.outdated.client = [red]⚠ Client Obsoleto![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Build Personalizzata
 confirmban = Sei sicuro di voler bandire "{0}[white]"?
diff --git a/core/assets/bundles/bundle_ko.properties b/core/assets/bundles/bundle_ko.properties
index cfb559dbb9..78a4a3c297 100644
--- a/core/assets/bundles/bundle_ko.properties
+++ b/core/assets/bundles/bundle_ko.properties
@@ -319,8 +319,8 @@ server.admins.none = 관리자를 찾을 수 없습니다!
 server.add = 서버 추가
 server.delete = 정말로 이 서버를 삭제하시겠습니까?
 server.edit = 서버 편집
-server.outdated = [scarlet]서버 버전이 낮습니다![]
-server.outdated.client = [scarlet]클라이언트 버전이 낮습니다![]
+server.outdated = [red]⚠ 서버 버전이 낮습니다![]
+server.outdated.client = [red]⚠ 클라이언트 버전이 낮습니다![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]사용자 정의 서버
 confirmban = 정말로 "{0}[white]" 을(를) 차단하시겠습니까?
diff --git a/core/assets/bundles/bundle_pt_BR.properties b/core/assets/bundles/bundle_pt_BR.properties
index 747fdd76b2..0cc61cd07b 100644
--- a/core/assets/bundles/bundle_pt_BR.properties
+++ b/core/assets/bundles/bundle_pt_BR.properties
@@ -319,8 +319,8 @@ server.admins.none = Nenhum administrador encontrado!
 server.add = Adicionar servidor
 server.delete = Você tem certeza que quer deletar esse servidor?
 server.edit = Editar Servidor
-server.outdated = [scarlet]Servidor Desatualizado![]
-server.outdated.client = [scarlet]Cliente Desatualizado![]
+server.outdated = [red]⚠ Servidor Desatualizado![]
+server.outdated.client = [red]⚠ Cliente Desatualizado![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Versão Customizada
 confirmban = Você tem certeza que quer banir "{0}[white]"?
diff --git a/core/assets/bundles/bundle_ro.properties b/core/assets/bundles/bundle_ro.properties
index 74dedd1ebf..720d157cc7 100644
--- a/core/assets/bundles/bundle_ro.properties
+++ b/core/assets/bundles/bundle_ro.properties
@@ -319,8 +319,8 @@ server.admins.none = Nu s-au găsit admini!
 server.add = Adăugă server
 server.delete = Sigur vrei să ștergi acest server?
 server.edit = Editează Server
-server.outdated = [scarlet]Server Învechit![]
-server.outdated.client = [scarlet]Client Învechit![]
+server.outdated = [red]⚠ Server Învechit![]
+server.outdated.client = [red]⚠ Client Învechit![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Build Personalizat
 confirmban = Sigur vrei să interzici jucătorul "{0}[white]"?
diff --git a/core/assets/bundles/bundle_ru.properties b/core/assets/bundles/bundle_ru.properties
index 82f61c3f17..e8051e46b2 100644
--- a/core/assets/bundles/bundle_ru.properties
+++ b/core/assets/bundles/bundle_ru.properties
@@ -319,8 +319,8 @@ server.admins.none = Администраторов нет!
 server.add = Добавить сервер
 server.delete = Вы действительно хотите удалить этот сервер?
 server.edit = Редактировать сервер
-server.outdated = [scarlet]Устаревший сервер![]
-server.outdated.client = [scarlet]Устаревший клиент![]
+server.outdated = [red]⚠ Устаревший сервер![]
+server.outdated.client = [red]⚠ Устаревший клиент![]
 server.version = [gray]Версия: {0} {1}
 server.custombuild = [accent]Пользовательская сборка
 confirmban = Вы действительно хотите заблокировать игрока «{0}[white]»?
diff --git a/core/assets/bundles/bundle_sr.properties b/core/assets/bundles/bundle_sr.properties
index 7da3075b1d..80ea09311b 100644
--- a/core/assets/bundles/bundle_sr.properties
+++ b/core/assets/bundles/bundle_sr.properties
@@ -319,8 +319,8 @@ server.admins.none = Nema pronađenih administratora!
 server.add = Dodaj Server
 server.delete = Da li želite da obrišete ovaj server?
 server.edit = Izmeni Server
-server.outdated = [scarlet]Zastareli Server![]
-server.outdated.client = [scarlet]Zastareli Klijent![]
+server.outdated = [red]⚠ Zastareli Server![]
+server.outdated.client = [red]⚠ Zastareli Klijent![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Svjojehodna Verzija
 confirmban = Da li ste sigurni da želite da [scarlet]trajno[] izbacite "{0}[white]"?
diff --git a/core/assets/bundles/bundle_vi.properties b/core/assets/bundles/bundle_vi.properties
index 3f4d3e9c14..5ccec5a3bf 100644
--- a/core/assets/bundles/bundle_vi.properties
+++ b/core/assets/bundles/bundle_vi.properties
@@ -319,8 +319,8 @@ server.admins.none = Không tìm thấy quản trị viên nào!
 server.add = Thêm máy chủ
 server.delete = Bạn có chắc chắn muốn xóa máy chủ này không?
 server.edit = Chỉnh sửa máy chủ
-server.outdated = [scarlet]Máy chủ lỗi thời![]
-server.outdated.client = [scarlet]Máy khách lỗi thời![]
+server.outdated = [red]⚠ Máy chủ lỗi thời![]
+server.outdated.client = [red]⚠ Máy khách lỗi thời![]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]Bản dựng tùy chỉnh
 confirmban = Bạn có chắc chắn muốn cấm "{0}[white]"?
diff --git a/core/assets/bundles/bundle_zh_CN.properties b/core/assets/bundles/bundle_zh_CN.properties
index f0e85383bd..e059c5785c 100644
--- a/core/assets/bundles/bundle_zh_CN.properties
+++ b/core/assets/bundles/bundle_zh_CN.properties
@@ -319,8 +319,8 @@ server.admins.none = 找不到管理员！
 server.add = 添加服务器
 server.delete = 确定要删除这个服务器吗？
 server.edit = 编辑服务器
-server.outdated = [scarlet]服务器版本过低！[]
-server.outdated.client = [scarlet]客户端版本过低！[]
+server.outdated = [red]⚠ 服务器版本过低！[]
+server.outdated.client = [red]⚠ 客户端版本过低！[]
 server.version = [gray]v{0} {1}
 server.custombuild = [accent]自行编译
 confirmban = 确定要封禁“{0}[white]”吗？
diff --git a/core/assets/scripts/global.js b/core/assets/scripts/global.js
index b4eccafc8c..5dfc485df4 100755
--- a/core/assets/scripts/global.js
+++ b/core/assets/scripts/global.js
@@ -48,16 +48,28 @@ const Arrays = Packages.java.util.Arrays
 const TextureFilter = Packages.arc.graphics.Texture.TextureFilter
 const TextureWrap = Packages.arc.graphics.Texture.TextureWrap
 importPackage(Packages.arc)
+importPackage(Packages.arc.assets)
+importPackage(Packages.arc.assets.loaders)
 importPackage(Packages.arc.audio)
+importPackage(Packages.arc.backend.headless)
 importPackage(Packages.arc.files)
 importPackage(Packages.arc.flabel)
+importPackage(Packages.arc.freetype)
 importPackage(Packages.arc.func)
+importPackage(Packages.arc.fx)
+importPackage(Packages.arc.fx.filters)
+importPackage(Packages.arc.fx.util)
 importPackage(Packages.arc.graphics)
 importPackage(Packages.arc.graphics.g2d)
+importPackage(Packages.arc.graphics.g3d)
 importPackage(Packages.arc.graphics.gl)
 importPackage(Packages.arc.input)
 importPackage(Packages.arc.math)
 importPackage(Packages.arc.math.geom)
+importPackage(Packages.arc.mock)
+importPackage(Packages.arc.net)
+importPackage(Packages.arc.net.dns)
+importPackage(Packages.arc.packer)
 importPackage(Packages.arc.scene)
 importPackage(Packages.arc.scene.actions)
 importPackage(Packages.arc.scene.event)
diff --git a/core/src/mindustry/ui/dialogs/JoinDialog.java b/core/src/mindustry/ui/dialogs/JoinDialog.java
index 8a73de0282..50e4f8d84f 100644
--- a/core/src/mindustry/ui/dialogs/JoinDialog.java
+++ b/core/src/mindustry/ui/dialogs/JoinDialog.java
@@ -779,11 +779,9 @@ public class JoinDialog extends BaseDialog{
         }else if(host.version == 0){
             return Core.bundle.get("server.outdated");
         }else if(host.version < Version.build && Version.build != -1){
-            return Core.bundle.get("server.outdated") + "\n" +
-            Core.bundle.format("server.version", host.version, host.versionType);
+            return "\n" + Core.bundle.format("server.version", host.version, host.versionType) + " " + Core.bundle.get("server.outdated");
         }else if(host.version > Version.build && Version.build != -1){
-            return Core.bundle.get("server.outdated.client") + "\n" +
-            Core.bundle.format("server.version", host.version, host.versionType);
+            return "\n" + Core.bundle.format("server.version", host.version, host.versionType) + " " + Core.bundle.get("server.outdated.client");
         }else if(host.version == Version.build && Version.type.equals(host.versionType)){
             //not important
             return "";
diff --git a/gradle.properties b/gradle.properties
index 1f535da091..27df25a245 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -26,4 +26,4 @@ org.gradle.caching=true
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
 android.enableR8.fullMode=false
-archash=c47b7010b5
+archash=05ecc2c2b1
diff --git a/tools/src/mindustry/tools/ScriptMainGenerator.java b/tools/src/mindustry/tools/ScriptMainGenerator.java
index daf57d629c..8c6695cda2 100644
--- a/tools/src/mindustry/tools/ScriptMainGenerator.java
+++ b/tools/src/mindustry/tools/ScriptMainGenerator.java
@@ -34,6 +34,7 @@ public class ScriptMainGenerator{
 
         Seq<Class<?>> classes = Seq.withArrays(
             getClasses("mindustry"),
+            getClasses("arc"),
             getClasses("arc.func"),
             getClasses("arc.struct"),
             getClasses("arc.scene"),
@@ -118,6 +119,8 @@ public class ScriptMainGenerator{
         Log.info("Generated @ class mappings.", mapped.size);
 
         SchemaGenerator.writeDefaultContent();
+
+        TypescriptDtsGenerator.writeDts(classes, new Fi("../../build/mindusty.d.ts").absolutePath());
     }
     public static Seq<Class> getClasses(String packageName) throws Exception{
         final ClassLoader loader = Thread.currentThread().getContextClassLoader();
diff --git a/tools/src/mindustry/tools/TypescriptDtsGenerator.java b/tools/src/mindustry/tools/TypescriptDtsGenerator.java
new file mode 100644
index 0000000000..fd67f134f3
--- /dev/null
+++ b/tools/src/mindustry/tools/TypescriptDtsGenerator.java
@@ -0,0 +1,264 @@
+package mindustry.tools;
+
+import arc.files.*;
+import arc.struct.*;
+
+import java.lang.reflect.*;
+import java.util.*;
+
+/** Generates a .d.ts file for JS type hints. */
+public class TypescriptDtsGenerator{
+
+    /** Java types with no reasonable TS analogue - erased to `any`. */
+    private static final Set<Class<?>> erase = new HashSet<>(Arrays.asList(
+    Class.class, Object.class // Object is intentionally erased, not mapped to `object`, since Java's Object methods (equals/hashCode/toString) are rarely what someone typing `.` after an `any`-ish value wants
+    ));
+
+    private static final String rhinoPrelude =
+    "// --- Rhino script-runtime globals (not reflected - hand-written) ---\n" +
+    "declare function extend(base: any, ...args: any[]): any;\n" +
+    "declare function extendContent(base: any, name: string, fields: object): any;\n" +
+    "declare function require(module: string): any;\n" +
+    "declare function print(text: string): void;\n" +
+    "declare function output(...args: any[]): void;\n" +
+    "declare function importPackage(...args: any[]): void;\n" +
+    "declare function importClass(...args: any[]): void;\n" +
+    "declare const Packages: any;\n\n";
+
+    public static void writeDts(Seq<Class<?>> classes, String outPath) throws Exception{
+        //keep only public top-level-ish members; also drop the couple of guaranteed-duplicate
+        //simple names up front, otherwise later `declare class Foo` collides with an earlier one.
+        var byName = new HashMap<String, Class<?>>();
+        var dropped = new Seq<String>();
+
+        for(Class<?> c : classes){
+            if(!Modifier.isPublic(c.getModifiers())) continue;
+            if(c.getSimpleName().isEmpty()) continue; //anonymous, shouldn't happen post-filter but be safe
+
+            Class<?> existing = byName.get(c.getSimpleName());
+            if(existing != null){
+                //keep whichever one is NOT in the more "internal" looking package, as a heuristic;
+                //in practice these collisions are rare enough to just log & keep the first seen.
+                dropped.add(c.getName() + " (duplicate simple name of " + existing.getName() + ")");
+                continue;
+            }
+            byName.put(c.getSimpleName(), c);
+        }
+
+        if(dropped.any()){
+            arc.util.Log.warn("Dropped @ classes from .d.ts due to simple-name collisions:\n@",
+            dropped.size, dropped.toString("\n"));
+        }
+
+        Set<String> known = byName.keySet();
+        StringBuilder sb = new StringBuilder();
+        sb.append("// Generated file. Do not modify.\n");
+        sb.append("// Ambient global declarations for Mindustry/Arc JS modding (Rhino).\n");
+        sb.append("// This file is for editor tooling ONLY - it is never compiled or executed.\n");
+        sb.append("// Classes are declared as globals (not modules) because importPackage()\n");
+        sb.append("// puts them directly in global scope at runtime.\n\n");
+
+        sb.append(rhinoPrelude);
+
+        var sorted = Seq.with(byName.values());
+        sorted.sortComparing(Class::getName);
+
+        for(Class<?> c : sorted){
+            try{
+                emitType(sb, c, known);
+            }catch(Throwable t){
+                //never let one weird class (e.g. something with exotic generics) kill the whole run
+                arc.util.Log.warn("Skipped @ in .d.ts generation: @", c.getName(), t.toString());
+            }
+        }
+
+        new Fi(outPath).writeString(sb.toString());
+        arc.util.Log.info("Generated .d.ts @ (@ classes, @ dropped).", outPath, sorted.size, dropped.size);
+    }
+
+    private static void emitType(StringBuilder sb, Class<?> c, Set<String> known){
+        boolean isInterface = c.isInterface();
+        boolean isEnum = c.isEnum();
+
+        sb.append("declare ").append(isInterface ? "interface" : "class").append(" ").append(c.getSimpleName());
+        appendTypeParams(sb, c.getTypeParameters());
+
+        if(!isInterface){
+            Class<?> sup = c.getSuperclass();
+            if(sup != null && sup != Object.class && known.contains(sup.getSimpleName())){
+                sb.append(" extends ").append(sup.getSimpleName());
+            }
+            //TS `declare class` can't implement multiple interfaces meaningfully for hint purposes;
+            //skip `implements` entirely rather than emit something that reads as a real contract.
+        }else{
+            var exts = new Seq<String>();
+            for(Class<?> i : c.getInterfaces()){
+                if(known.contains(i.getSimpleName())) exts.add(i.getSimpleName());
+            }
+            if(exts.any()) sb.append(" extends ").append(exts.toString(", "));
+        }
+
+        sb.append("{\n");
+
+        if(isEnum){
+            for(Object constant : c.getEnumConstants()){
+                sb.append("    static readonly ").append(((Enum<?>)constant).name())
+                .append(": ").append(c.getSimpleName()).append(";\n");
+            }
+            sb.append("    static readonly values: () => ").append(c.getSimpleName()).append("[];\n");
+            sb.append("    readonly name: string;\n");
+            sb.append("    readonly ordinal: number;\n");
+        }
+
+        var seenSigs = new ObjectSet<String>();
+
+        //fields
+        for(Field f : c.getDeclaredFields()){
+            if(!Modifier.isPublic(f.getModifiers()) || f.isSynthetic()) continue;
+            if(isEnum && f.isEnumConstant()) continue;
+
+            String mod = Modifier.isStatic(f.getModifiers()) ? "static " : "";
+            String ro = Modifier.isFinal(f.getModifiers()) ? "readonly " : "";
+            String sig = mod + ro + f.getName();
+            if(!seenSigs.add(sig)) continue;
+
+            sb.append("    ").append(mod).append(ro).append(sanitizeName(f.getName()))
+            .append(": ").append(typeName(f.getGenericType(), known)).append(";\n");
+        }
+
+        //constructors (skipped for interfaces)
+        if(!isInterface){
+            for(Constructor<?> ctor : c.getDeclaredConstructors()){
+                if(!Modifier.isPublic(ctor.getModifiers())) continue;
+                String params = paramList(ctor.getParameters(), known);
+                String sig = "new(" + params + ")";
+                if(!seenSigs.add(sig)) continue;
+                sb.append("    constructor(").append(params).append(");\n");
+            }
+        }
+
+        //methods
+        for(Method m : c.getDeclaredMethods()){
+            if(!Modifier.isPublic(m.getModifiers()) || m.isSynthetic() || m.isBridge()) continue;
+            //skip Object-inherited noise that clutters completion (still callable at runtime, just not worth listing)
+            if(isObjectMethod(m)) continue;
+
+            String mod = Modifier.isStatic(m.getModifiers()) ? "static " : "";
+            String params = paramList(m.getParameters(), known);
+            String ret = typeName(m.getGenericReturnType(), known);
+
+            String sig = mod + m.getName() + "(" + params + ")";
+            if(!seenSigs.add(sig)) continue; //identical erasure to an already-emitted overload
+
+            sb.append("    ").append(mod).append(sanitizeName(m.getName()))
+            .append("(").append(params).append("): ").append(ret).append(";\n");
+        }
+
+        sb.append("}\n\n");
+    }
+
+    private static boolean isObjectMethod(Method m){
+        try{
+            Object.class.getDeclaredMethod(m.getName(), m.getParameterTypes());
+            return true;
+        }catch(NoSuchMethodException e){
+            return false;
+        }
+    }
+
+    private static void appendTypeParams(StringBuilder sb, TypeVariable<?>[] params){
+        if(params.length == 0) return;
+        sb.append("<");
+        for(int i = 0; i < params.length; i++){
+            if(i > 0) sb.append(", ");
+            sb.append(params[i].getName());
+        }
+        sb.append(">");
+    }
+
+    private static String paramList(Parameter[] params, Set<String> known){
+        StringBuilder sb = new StringBuilder();
+        for(int i = 0; i < params.length; i++){
+            if(i > 0) sb.append(", ");
+            Parameter p = params[i];
+            String name = p.isNamePresent() ? sanitizeName(p.getName()) : "arg" + i;
+            if(p.isVarArgs()){
+                Class<?> comp = p.getType().getComponentType();
+                sb.append("...").append(name).append(": ").append(typeName(comp, known)).append("[]");
+            }else{
+                sb.append(name).append(": ").append(typeName(p.getParameterizedType(), known));
+            }
+        }
+        return sb.toString();
+    }
+
+    private static String sanitizeName(String name){
+        return switch(name){
+            case "in", "function", "package", "class", "new", "delete", "export",
+                 "import", "typeof", "var", "constructor" -> "_" + name;
+            default -> name;
+        };
+    }
+
+    private static String typeName(Type t, Set<String> known){
+        if(t instanceof Class){
+            return className((Class<?>)t, known);
+        }
+        if(t instanceof GenericArrayType){
+            return typeName(((GenericArrayType)t).getGenericComponentType(), known) + "[]";
+        }
+        if(t instanceof TypeVariable){
+            return "any"; //bounded type vars erased - not worth reproducing bounds for hint purposes
+        }
+        if(t instanceof WildcardType){
+            return "any";
+        }
+        if(t instanceof ParameterizedType){
+            ParameterizedType pt = (ParameterizedType)t;
+            Class<?> raw = (Class<?>)pt.getRawType();
+            Type[] args = pt.getActualTypeArguments();
+
+            //common Arc/Java containers get mapped to native TS shapes
+            String rawName = raw.getSimpleName();
+            if(isCollectionLike(raw) && args.length == 1){
+                return typeName(args[0], known) + "[]";
+            }
+            if(isMapLike(raw) && args.length == 2){
+                return "Record<string, " + typeName(args[1], known) + ">"; //key type erased to string, close enough for hints
+            }
+
+            if(!known.contains(rawName)) return "any";
+            StringBuilder sb = new StringBuilder(rawName).append("<");
+            for(int i = 0; i < args.length; i++){
+                if(i > 0) sb.append(", ");
+                sb.append(typeName(args[i], known));
+            }
+            return sb.append(">").toString();
+        }
+        return "any";
+    }
+
+    private static boolean isCollectionLike(Class<?> raw){
+        String n = raw.getSimpleName();
+        return n.equals("Seq") || n.equals("Array") || n.equals("List") || n.equals("ArrayList")
+        || n.equals("ObjectSet") || n.equals("Set") || n.equals("Queue") || n.equals("SnapshotSeq");
+    }
+
+    private static boolean isMapLike(Class<?> raw){
+        String n = raw.getSimpleName();
+        return n.equals("ObjectMap") || n.equals("Map") || n.equals("HashMap") || n.equals("IntMap");
+    }
+
+    private static String className(Class<?> c, Set<String> known){
+        if(c == void.class || c == Void.class) return "void";
+        if(c == boolean.class || c == Boolean.class) return "boolean";
+        if(c == int.class || c == Integer.class || c == float.class || c == Float.class
+        || c == double.class || c == Double.class || c == long.class || c == Long.class
+        || c == short.class || c == Short.class || c == byte.class || c == Byte.class) return "number";
+        if(c == char.class || c == Character.class || c == String.class || c == CharSequence.class) return "string";
+        if(c.isArray()) return className(c.getComponentType(), known) + "[]";
+        if(erase.contains(c)) return "any";
+        if(c.isPrimitive()) return "any"; //shouldn't hit, but stay safe
+        return known.contains(c.getSimpleName()) ? c.getSimpleName() : "any";
+    }
+}
\ No newline at end of file