commit 4c68e124430fed48c764b8bf19a968a9cd5d1bfa
Author: AtomAI-GR <atomai.gr@gmail.com>
Date:   Sat May 2 18:20:30 2026 +0300

    Initial release

diff --git a/README.md b/README.md
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+<div align="center">
+
+# Atom_AI — Custom ComfyUI Nodes
+
+**A clean, practical node pack for LoRA management and image enhancement.**
+
+![ComfyUI](https://img.shields.io/badge/ComfyUI-compatible-brightgreen)
+![Python](https://img.shields.io/badge/Python-3.10+-blue)
+![License](https://img.shields.io/badge/License-MIT-yellow)
+
+</div>
+
+---
+
+## Nodes
+
+### 🔁 LoRA Loader
+The simplest way to load multiple LoRAs in one node.
+Add or remove slots with **+** / **−** buttons. Each slot has a strength slider and an enable/disable toggle.
+
+### ⚙️ LoRA Loader Pro
+Same as LoRA Loader but with separate **model strength** and **clip strength** per LoRA.
+For advanced users who need fine control.
+
+### 🔗 LoRA Stack
+A chainable single LoRA slot. Connect multiple entries in sequence to build a stack of any size.
+
+### 📦 LoRA Stack Apply
+Takes the final stack and applies all LoRAs to model and clip in one pass.
+
+### 🔍 LoRA Stack Info
+Displays the contents of a LoRA stack as text — useful for debugging.
+
+### ✨ Detail Enhance
+Post-processing node that sharpens and enhances detail in generated images.
+Controls: **Sharpen**, **Detail**, **Contrast**, **Clarity**
+
+---
+
+## Installation
+
+**Option A — ComfyUI Manager** *(recommended)*
+Search for `Atom_AI` in the Manager and install directly.
+
+**Option B — Manual**
+```bash
+cd ComfyUI/custom_nodes
+git clone https://github.com/AtomAI-GR/Atom_AI
+```
+Restart ComfyUI.
+
+---
+
+## Usage
+
+### Basic LoRA workflow
+```
+Load Checkpoint
+  ├── MODEL ──→ LoRA Loader ──→ model ──→ KSampler
+  └── CLIP  ──→ LoRA Loader ──→ clip  ──→ CLIP Text Encode
+```
+
+### With Detail Enhance
+```
+VAE Decode ──→ IMAGE ──→ Detail Enhance ──→ Preview Image
+```
+
+---
+
+## Compatibility
+
+Works with all major model architectures: **SD 1.5 · SDXL · Flux · HiDream**
+
+---
+
+## License
+
+MIT — free to use, modify, and share.
+
+---
+
+<div align="center">
+Made with ❤️ by <a href="https://github.com/AtomAI-GR">Atom_AI</a>
+</div>
diff --git a/__init__.py b/__init__.py
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+from .nodes.detail_enhance import NODE_CLASS_MAPPINGS as ENHANCE_NODES
+from .nodes.detail_enhance import NODE_DISPLAY_NAME_MAPPINGS as ENHANCE_NAMES
+from .nodes.lora_stack import NODE_CLASS_MAPPINGS as LORA_NODES
+from .nodes.lora_stack import NODE_DISPLAY_NAME_MAPPINGS as LORA_NAMES
+from .nodes.lora_loader_pro import NODE_CLASS_MAPPINGS as DYN_NODES
+from .nodes.lora_loader_pro import NODE_DISPLAY_NAME_MAPPINGS as DYN_NAMES
+from .nodes.lora_loader import NODE_CLASS_MAPPINGS as SIMPLE_NODES
+from .nodes.lora_loader import NODE_DISPLAY_NAME_MAPPINGS as SIMPLE_NAMES
+
+NODE_CLASS_MAPPINGS = {**ENHANCE_NODES, **LORA_NODES, **DYN_NODES, **SIMPLE_NODES}
+NODE_DISPLAY_NAME_MAPPINGS = {**ENHANCE_NAMES, **LORA_NAMES, **DYN_NAMES, **SIMPLE_NAMES}
+
+WEB_DIRECTORY = "./web"
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]
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diff --git a/nodes/detail_enhance.py b/nodes/detail_enhance.py
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+++ b/nodes/detail_enhance.py
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+import torch
+import numpy as np
+from PIL import Image, ImageFilter, ImageEnhance
+
+class DetailEnhanceNode:
+    CATEGORY = "Atom_AI/Image"
+    RETURN_TYPES = ("IMAGE",)
+    RETURN_NAMES = ("enhanced_image",)
+    FUNCTION = "enhance"
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "image": ("IMAGE",),
+                "sharpen_strength": ("FLOAT", {
+                    "default": 1.5, "min": 0.0, "max": 5.0,
+                    "step": 0.1, "display": "slider"
+                }),
+                "detail_radius": ("FLOAT", {
+                    "default": 1.0, "min": 0.5, "max": 5.0,
+                    "step": 0.5, "display": "slider"
+                }),
+                "detail_strength": ("FLOAT", {
+                    "default": 0.4, "min": 0.0, "max": 2.0,
+                    "step": 0.1, "display": "slider"
+                }),
+                "contrast": ("FLOAT", {
+                    "default": 1.1, "min": 0.5, "max": 2.0,
+                    "step": 0.05, "display": "slider"
+                }),
+                "clarity": ("FLOAT", {
+                    "default": 0.3, "min": 0.0, "max": 1.0,
+                    "step": 0.05, "display": "slider"
+                }),
+            }
+        }
+
+    @staticmethod
+    def _to_pil(t):
+        arr = (t[0].cpu().numpy() * 255).clip(0, 255).astype(np.uint8)
+        return Image.fromarray(arr)
+
+    @staticmethod
+    def _to_tensor(img):
+        arr = np.array(img).astype(np.float32) / 255.0
+        return torch.from_numpy(arr).unsqueeze(0)
+
+    def enhance(self, image, sharpen_strength, detail_radius,
+                detail_strength, contrast, clarity):
+
+        pil = self._to_pil(image)
+
+        if contrast != 1.0:
+            pil = ImageEnhance.Contrast(pil).enhance(contrast)
+
+        if sharpen_strength != 1.0:
+            pil = ImageEnhance.Sharpness(pil).enhance(sharpen_strength)
+
+        if detail_strength > 0:
+            blurred = pil.filter(ImageFilter.GaussianBlur(radius=detail_radius))
+            img_arr  = np.array(pil,     dtype=np.float32)
+            blur_arr = np.array(blurred, dtype=np.float32)
+            detail   = img_arr - blur_arr
+            result   = img_arr + detail * detail_strength
+            pil      = Image.fromarray(result.clip(0, 255).astype(np.uint8))
+
+        if clarity > 0:
+            arr = np.array(pil, dtype=np.float32) / 255.0
+            mid = 0.5
+            arr = arr + clarity * 0.15 * np.sin((arr - mid) * np.pi) * (1 - np.abs(arr - mid) * 2).clip(0)
+            pil = Image.fromarray((arr.clip(0, 1) * 255).astype(np.uint8))
+
+        return (self._to_tensor(pil),)
+
+
+NODE_CLASS_MAPPINGS        = {"DetailEnhanceNode": DetailEnhanceNode}
+NODE_DISPLAY_NAME_MAPPINGS = {"DetailEnhanceNode": "Detail Enhance"}
diff --git a/nodes/lora_loader.py b/nodes/lora_loader.py
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+++ b/nodes/lora_loader.py
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+import folder_paths
+import comfy.utils
+import comfy.sd
+import json
+
+def get_lora_list():
+    return ["None"] + folder_paths.get_filename_list("loras")
+
+
+class AtomSimpleLoRANode:
+    """
+    Simple LoRA Loader — clean UI, no clip str., strength 0-2.
+    """
+
+    CATEGORY  = "Atom_AI/LoRA"
+    RETURN_TYPES  = ("MODEL", "CLIP", "STRING")
+    RETURN_NAMES  = ("model", "clip", "stack_info")
+    FUNCTION  = "apply_loras"
+
+    @classmethod
+    def IS_CHANGED(cls, **kwargs):
+        return float("nan")
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "model": ("MODEL",),
+                "clip":  ("CLIP",),
+                "loras_json": ("STRING", {
+                    "default": "[]",
+                    "multiline": False,
+                }),
+            }
+        }
+
+    def apply_loras(self, model, clip, loras_json):
+        try:
+            entries = json.loads(loras_json)
+        except Exception:
+            return (model, clip, "Error: invalid loras_json")
+
+        info_lines = []
+        loaded = 0
+
+        for entry in entries:
+            name    = entry.get("name", "None")
+            s_mod   = float(entry.get("strength_model", 1.0))
+            enabled = bool(entry.get("enabled", True))
+
+            if not enabled or name == "None":
+                continue
+
+            lora_path = folder_paths.get_full_path("loras", name)
+            if lora_path is None:
+                info_lines.append(f"  ✗ {name}  (not found)")
+                continue
+
+            lora_data = comfy.utils.load_torch_file(lora_path, safe_load=True)
+            # clip strength fixed at 1.0
+            model, clip = comfy.sd.load_lora_for_models(
+                model, clip, lora_data, s_mod, 1.0
+            )
+            info_lines.append(f"  ✓ {name}  (strength={s_mod:.2f})")
+            loaded += 1
+
+        total  = len(entries)
+        header = f"Loaded {loaded} of {total} LoRA(s):"
+        info   = header + "\n" + "\n".join(info_lines) if info_lines else header
+        return (model, clip, info)
+
+
+NODE_CLASS_MAPPINGS        = {"AtomSimpleLoRANode": AtomSimpleLoRANode}
+NODE_DISPLAY_NAME_MAPPINGS = {"AtomSimpleLoRANode": "LoRA Loader"}
diff --git a/nodes/lora_loader_pro.py b/nodes/lora_loader_pro.py
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--- /dev/null
+++ b/nodes/lora_loader_pro.py
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+import folder_paths
+import comfy.utils
+import comfy.sd
+
+def get_lora_list():
+    return ["None"] + folder_paths.get_filename_list("loras")
+
+
+class AtomDynamicLoRANode:
+    """
+    Dynamic LoRA Loader — slots managed entirely by JS.
+    Python receives lora_count + flat arrays of name/strength_model/strength_clip/enabled.
+    """
+
+    CATEGORY  = "Atom_AI/LoRA"
+    RETURN_TYPES  = ("MODEL", "CLIP", "STRING")
+    RETURN_NAMES  = ("model", "clip", "stack_info")
+    FUNCTION  = "apply_loras"
+
+    # Tell ComfyUI this node has dynamic widgets — skip validation
+    @classmethod
+    def IS_CHANGED(cls, **kwargs):
+        return float("nan")
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        loras = get_lora_list()
+        return {
+            "required": {
+                "model": ("MODEL",),
+                "clip":  ("CLIP",),
+                # JS writes all LoRA data as a JSON string — one input only
+                "loras_json": ("STRING", {
+                    "default": "[]",
+                    "multiline": False,
+                }),
+            }
+        }
+
+    def apply_loras(self, model, clip, loras_json):
+        import json
+
+        try:
+            entries = json.loads(loras_json)
+        except Exception:
+            return (model, clip, "Error: invalid loras_json")
+
+        info_lines = []
+        loaded = 0
+
+        for entry in entries:
+            name    = entry.get("name", "None")
+            s_mod   = float(entry.get("strength_model", 1.0))
+            s_clip  = float(entry.get("strength_clip",  1.0))
+            enabled = bool(entry.get("enabled", True))
+
+            if not enabled or name == "None":
+                continue
+
+            lora_path = folder_paths.get_full_path("loras", name)
+            if lora_path is None:
+                info_lines.append(f"  ✗ {name}  (not found)")
+                continue
+
+            lora_data = comfy.utils.load_torch_file(lora_path, safe_load=True)
+            model, clip = comfy.sd.load_lora_for_models(
+                model, clip, lora_data, s_mod, s_clip
+            )
+            info_lines.append(
+                f"  ✓ {name}\n     model={s_mod:.2f}  clip={s_clip:.2f}"
+            )
+            loaded += 1
+
+        total  = len(entries)
+        header = f"Loaded {loaded} of {total} LoRA(s):"
+        info   = header + "\n" + "\n".join(info_lines) if info_lines else header
+        return (model, clip, info)
+
+
+NODE_CLASS_MAPPINGS        = {"AtomDynamicLoRANode": AtomDynamicLoRANode}
+NODE_DISPLAY_NAME_MAPPINGS = {"AtomDynamicLoRANode": "LoRA Loader Pro"}
diff --git a/nodes/lora_stack.py b/nodes/lora_stack.py
new file mode 100644
index 0000000..97a94a5
--- /dev/null
+++ b/nodes/lora_stack.py
@@ -0,0 +1,165 @@
+import os
+import folder_paths
+
+# ──────────────────────────────────────────────
+# Helper: get all available LoRA filenames
+# ──────────────────────────────────────────────
+def get_lora_list():
+    loras = folder_paths.get_filename_list("loras")
+    return ["None"] + loras
+
+
+# ══════════════════════════════════════════════
+#  NODE 1 — LoRA Stack Entry
+#  One slot: pick a LoRA + strength + toggle.
+#  Chains into a growing stack list.
+# ══════════════════════════════════════════════
+class AtomLoRAStackEntry:
+    """
+    A single chainable LoRA slot.
+    Connect multiple entries in sequence to build a stack of any size.
+    """
+
+    CATEGORY  = "Atom_AI/LoRA"
+    RETURN_TYPES  = ("LORA_STACK",)
+    RETURN_NAMES  = ("lora_stack",)
+    FUNCTION  = "add_lora"
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "lora_name": (get_lora_list(),),
+                "strength_model": ("FLOAT", {
+                    "default": 1.0, "min": -10.0, "max": 10.0,
+                    "step": 0.01, "display": "slider"
+                }),
+                "strength_clip": ("FLOAT", {
+                    "default": 1.0, "min": -10.0, "max": 10.0,
+                    "step": 0.01, "display": "slider"
+                }),
+                "enabled": ("BOOLEAN", {"default": True}),
+            },
+            "optional": {
+                "lora_stack": ("LORA_STACK",),   # chain input from previous entry
+            }
+        }
+
+    def add_lora(self, lora_name, strength_model, strength_clip, enabled,
+                 lora_stack=None):
+        # Start from existing stack or fresh list
+        stack = list(lora_stack) if lora_stack else []
+
+        if enabled and lora_name != "None":
+            stack.append({
+                "lora_name":      lora_name,
+                "strength_model": strength_model,
+                "strength_clip":  strength_clip,
+            })
+
+        return (stack,)
+
+
+# ══════════════════════════════════════════════
+#  NODE 2 — LoRA Stack Loader
+#  Takes the final stack list, applies every
+#  LoRA in sequence to model + clip.
+# ══════════════════════════════════════════════
+class AtomLoRAStackLoader:
+    """
+    Applies a LORA_STACK (built from AtomLoRAStackEntry nodes) to
+    a model and clip in one pass.
+    """
+
+    CATEGORY  = "Atom_AI/LoRA"
+    RETURN_TYPES  = ("MODEL", "CLIP", "STRING")
+    RETURN_NAMES  = ("model", "clip", "stack_info")
+    FUNCTION  = "load_stack"
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "model": ("MODEL",),
+                "clip":  ("CLIP",),
+                "lora_stack": ("LORA_STACK",),
+            }
+        }
+
+    def load_stack(self, model, clip, lora_stack):
+        import comfy.utils
+
+        if not lora_stack:
+            return (model, clip, "No LoRAs loaded.")
+
+        info_lines = [f"Loaded {len(lora_stack)} LoRA(s):"]
+
+        for entry in lora_stack:
+            name   = entry["lora_name"]
+            s_mod  = entry["strength_model"]
+            s_clip = entry["strength_clip"]
+
+            lora_path = folder_paths.get_full_path("loras", name)
+            lora_data = comfy.utils.load_torch_file(lora_path, safe_load=True)
+
+            model, clip = comfy.sd.load_lora_for_models(
+                model, clip, lora_data, s_mod, s_clip
+            )
+
+            info_lines.append(f"  ✓ {name}  (model={s_mod:.2f}, clip={s_clip:.2f})")
+
+        return (model, clip, "\n".join(info_lines))
+
+
+# ══════════════════════════════════════════════
+#  NODE 3 — LoRA Stack Inspector  (bonus)
+#  Shows what's in the stack without applying.
+# ══════════════════════════════════════════════
+class AtomLoRAStackInspector:
+    """
+    Displays the contents of a LORA_STACK as a human-readable string.
+    Useful for debugging complex chains.
+    """
+
+    CATEGORY  = "Atom_AI/LoRA"
+    RETURN_TYPES  = ("STRING",)
+    RETURN_NAMES  = ("stack_info",)
+    FUNCTION  = "inspect"
+    OUTPUT_NODE   = True   # allows display in UI
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "lora_stack": ("LORA_STACK",),
+            }
+        }
+
+    def inspect(self, lora_stack):
+        if not lora_stack:
+            return ("Stack is empty.",)
+
+        lines = [f"Stack contains {len(lora_stack)} LoRA(s):\n"]
+        for i, entry in enumerate(lora_stack, 1):
+            lines.append(
+                f"{i}. {entry['lora_name']}\n"
+                f"   model strength : {entry['strength_model']:.3f}\n"
+                f"   clip  strength : {entry['strength_clip']:.3f}"
+            )
+        return ("\n".join(lines),)
+
+
+# ──────────────────────────────────────────────
+# ComfyUI registration
+# ──────────────────────────────────────────────
+NODE_CLASS_MAPPINGS = {
+    "AtomLoRAStackEntry":     AtomLoRAStackEntry,
+    "AtomLoRAStackLoader":    AtomLoRAStackLoader,
+    "AtomLoRAStackInspector": AtomLoRAStackInspector,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "AtomLoRAStackEntry":     "LoRA Stack",
+    "AtomLoRAStackLoader":    "LoRA Stack Apply",
+    "AtomLoRAStackInspector": "LoRA Stack Info",
+}
diff --git a/web/js/dynamic_lora_node.js b/web/js/dynamic_lora_node.js
new file mode 100644
index 0000000..2da3a5b
--- /dev/null
+++ b/web/js/dynamic_lora_node.js
@@ -0,0 +1,138 @@
+import { app } from "/scripts/app.js";
+
+const DEFAULT_SLOTS = 1;
+
+function serializeSlots(node) {
+    const entries = (node._loraSlots ?? []).map(s => ({
+        name:           s.nameW.value,
+        strength_model: s.smW.value,
+        strength_clip:  s.scW.value,
+        enabled:        s.enW.value,
+    }));
+    const jw = node.widgets?.find(w => w.name === "loras_json");
+    if (jw) jw.value = JSON.stringify(entries);
+}
+
+function addSlot(node, def = {}) {
+    const loras = node._loraNames ?? ["None"];
+
+    const nameW = node.addWidget("combo", "lora", def.name ?? "None",
+        () => serializeSlots(node), { values: loras });
+
+    const smW = node.addWidget("number", "model str.", def.strength_model ?? 1.0,
+        () => serializeSlots(node), { min: -10, max: 10, step: 0.1, precision: 2 });
+
+    const scW = node.addWidget("number", "clip str.", def.strength_clip ?? 1.0,
+        () => serializeSlots(node), { min: -10, max: 10, step: 0.1, precision: 2 });
+
+    const enW = node.addWidget("toggle", "enabled", def.enabled ?? true,
+        () => serializeSlots(node));
+
+    node._loraSlots = node._loraSlots ?? [];
+    node._loraSlots.push({ nameW, smW, scW, enW });
+
+    serializeSlots(node);
+    node.setSize([node.size[0], node.computeSize()[1]]);
+    node.graph?.setDirtyCanvas(true, true);
+}
+
+function removeSlot(node) {
+    if (!node._loraSlots?.length) return;
+    const s = node._loraSlots.pop();
+    for (const w of [s.nameW, s.smW, s.scW, s.enW]) {
+        const i = node.widgets.indexOf(w);
+        if (i !== -1) node.widgets.splice(i, 1);
+    }
+    serializeSlots(node);
+    node.setSize([node.size[0], node.computeSize()[1]]);
+    node.graph?.setDirtyCanvas(true, true);
+}
+
+function init(node) {
+    if (node._atomDynInit) return;
+    node._atomDynInit = true;
+    node._loraSlots   = [];
+
+    // Hide loras_json
+    const jw = node.widgets?.find(w => w.name === "loras_json");
+    if (jw) {
+        jw.hidden = true;
+        jw.computeSize = () => [0, -4];
+    }
+
+    node.addWidget("button", "+ Add LoRA",    null, () => addSlot(node));
+    node.addWidget("button", "− Remove LoRA", null, () => removeSlot(node));
+
+    // Restore from saved JSON or add defaults
+    let restored = false;
+    if (jw?.value && jw.value !== "[]") {
+        try {
+            const entries = JSON.parse(jw.value);
+            if (entries.length > 0) {
+                entries.forEach(e => addSlot(node, e));
+                restored = true;
+            }
+        } catch {}
+    }
+    if (!restored) {
+        for (let i = 0; i < DEFAULT_SLOTS; i++) addSlot(node);
+    }
+}
+
+// Fetch lora list directly from ComfyUI's /object_info endpoint
+async function fetchLoraNames() {
+    try {
+        const r = await fetch("/object_info");
+        const all = await r.json();
+
+        // Try every known lora loader node name
+        const candidates = [
+            "LoraLoader",
+            "LoRALoader", 
+            "Load LoRA",
+            "LoraLoaderModelOnly",
+        ];
+
+        for (const name of candidates) {
+            const def = all[name];
+            if (!def) continue;
+            // Search all required inputs for a list that looks like lora filenames
+            for (const [, val] of Object.entries(def.input?.required ?? {})) {
+                if (Array.isArray(val[0]) && val[0].some(v => 
+                    typeof v === "string" && (v.endsWith(".safetensors") || v.endsWith(".pt") || v.endsWith(".ckpt"))
+                )) {
+                    return ["None", ...val[0]];
+                }
+            }
+        }
+
+        // Last resort: scan ALL node defs for a safetensors list
+        for (const def of Object.values(all)) {
+            for (const [, val] of Object.entries(def.input?.required ?? {})) {
+                if (Array.isArray(val[0]) && val[0].length > 0 &&
+                    val[0].some(v => typeof v === "string" && v.includes("lora"))) {
+                    return ["None", ...val[0]];
+                }
+            }
+        }
+    } catch (e) {
+        console.warn("[Atom_AI] Could not fetch lora list:", e);
+    }
+    return ["None"];
+}
+
+app.registerExtension({
+    name: "Atom_AI.DynamicLoRANode",
+
+    async setup() {
+        // Fetch and cache lora list at startup
+        app._atomLoraNames = await fetchLoraNames();
+        console.log("[Atom_AI] LoRA list loaded:", app._atomLoraNames.length, "entries");
+    },
+
+    nodeCreated(node) {
+        if (node.comfyClass !== "AtomDynamicLoRANode") return;
+        node._loraNames = app._atomLoraNames ?? ["None"];
+        init(node);
+    },
+});
diff --git a/web/js/simple_lora_node.js b/web/js/simple_lora_node.js
new file mode 100644
index 0000000..45d0b3c
--- /dev/null
+++ b/web/js/simple_lora_node.js
@@ -0,0 +1,84 @@
+import { app } from "/scripts/app.js";
+
+const DEFAULT_SLOTS = 2;
+
+function serializeSlots(node) {
+    const entries = (node._loraSlots ?? []).map(s => ({
+        name:           s.nameW.value,
+        strength_model: s.smW.value,
+        enabled:        s.enW.value,
+    }));
+    const jw = node.widgets?.find(w => w.name === "loras_json");
+    if (jw) jw.value = JSON.stringify(entries);
+}
+
+function addSlot(node, def = {}) {
+    const loras = node._loraNames ?? ["None"];
+
+    const nameW = node.addWidget("combo", "lora", def.name ?? "None",
+        () => serializeSlots(node), { values: loras });
+
+    const smW = node.addWidget("number", "strength", def.strength_model ?? 1.0,
+        () => serializeSlots(node), { min: 0.0, max: 2.0, step: 0.1, precision: 2 });
+
+    const enW = node.addWidget("toggle", "enabled", def.enabled ?? true,
+        () => serializeSlots(node));
+
+    node._loraSlots = node._loraSlots ?? [];
+    node._loraSlots.push({ nameW, smW, enW });
+
+    serializeSlots(node);
+    node.setSize([node.size[0], node.computeSize()[1]]);
+    node.graph?.setDirtyCanvas(true, true);
+}
+
+function removeSlot(node) {
+    if (!node._loraSlots?.length) return;
+    const s = node._loraSlots.pop();
+    for (const w of [s.nameW, s.smW, s.enW]) {
+        const i = node.widgets.indexOf(w);
+        if (i !== -1) node.widgets.splice(i, 1);
+    }
+    serializeSlots(node);
+    node.setSize([node.size[0], node.computeSize()[1]]);
+    node.graph?.setDirtyCanvas(true, true);
+}
+
+function init(node) {
+    if (node._atomSimpleInit) return;
+    node._atomSimpleInit = true;
+    node._loraSlots      = [];
+
+    const jw = node.widgets?.find(w => w.name === "loras_json");
+    if (jw) {
+        jw.hidden = true;
+        jw.computeSize = () => [0, -4];
+    }
+
+    node.addWidget("button", "+ Add LoRA",    null, () => addSlot(node));
+    node.addWidget("button", "− Remove LoRA", null, () => removeSlot(node));
+
+    let restored = false;
+    if (jw?.value && jw.value !== "[]") {
+        try {
+            const entries = JSON.parse(jw.value);
+            if (entries.length > 0) {
+                entries.forEach(e => addSlot(node, e));
+                restored = true;
+            }
+        } catch {}
+    }
+    if (!restored) {
+        for (let i = 0; i < DEFAULT_SLOTS; i++) addSlot(node);
+    }
+}
+
+app.registerExtension({
+    name: "Atom_AI.SimpleLoRANode",
+
+    nodeCreated(node) {
+        if (node.comfyClass !== "AtomSimpleLoRANode") return;
+        node._loraNames = app._atomLoraNames ?? ["None"];
+        init(node);
+    },
+});