From a71caa2282cf06ab6bfef15fa5c97c9cb57622bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AF=BA=E6=96=AF=E8=B4=B9=E6=8B=89=E5=9B=BE?=
 <1132505822@qq.com>
Date: Sun, 12 Apr 2026 17:48:01 +0800
Subject: [PATCH] feat: add MethodsDraft node

---
 custom_nodes/research/__init__.py      |  3 +-
 custom_nodes/research/methods_draft.py | 86 ++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 custom_nodes/research/methods_draft.py

diff --git a/custom_nodes/research/__init__.py b/custom_nodes/research/__init__.py
index df65ed7ba..4d4f8af2c 100644
--- a/custom_nodes/research/__init__.py
+++ b/custom_nodes/research/__init__.py
@@ -15,7 +15,8 @@ class ResearchExtension(ComfyExtension):
         from custom_nodes.research.section_plan import SectionPlan
         from custom_nodes.research.abstract_draft import AbstractDraft
         from custom_nodes.research.introduction_draft import IntroductionDraft
-        return [PaperSearch, PaperClaimExtract, ClaimEvidenceAssemble, StyleProfileExtract, ReferencePaperSelect, SectionPlan, AbstractDraft, IntroductionDraft]
+        from custom_nodes.research.methods_draft import MethodsDraft
+        return [PaperSearch, PaperClaimExtract, ClaimEvidenceAssemble, StyleProfileExtract, ReferencePaperSelect, SectionPlan, AbstractDraft, IntroductionDraft, MethodsDraft]
 
 
 async def comfy_entrypoint() -> ComfyExtension:
diff --git a/custom_nodes/research/methods_draft.py b/custom_nodes/research/methods_draft.py
new file mode 100644
index 000000000..994dfa888
--- /dev/null
+++ b/custom_nodes/research/methods_draft.py
@@ -0,0 +1,86 @@
+"""MethodsDraft node - generate methods section text."""
+import json
+from typing_extensions import override
+from comfy_api.latest import ComfyNode, io
+
+
+class MethodsDraft(io.ComfyNode):
+    """Generate a methods section draft based on claims and data assets."""
+
+    @classmethod
+    def define_schema(cls) -> io.Schema:
+        return io.Schema(
+            node_id="MethodsDraft",
+            display_name="Draft Methods",
+            category="Research",
+            inputs=[
+                io.String.Input(
+                    "approach_overview",
+                    display_name="Approach Overview",
+                    default="",
+                    multiline=True,
+                ),
+                io.String.Input(
+                    "dataset_description",
+                    display_name="Dataset Description",
+                    default="",
+                    multiline=True,
+                ),
+                io.String.Input(
+                    "model_architecture",
+                    display_name="Model Architecture",
+                    default="",
+                    multiline=True,
+                ),
+                io.String.Input(
+                    "training_details",
+                    display_name="Training Details",
+                    default="",
+                    multiline=True,
+                ),
+            ],
+            outputs=[
+                io.String.Output(display_name="Methods Text"),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, approach_overview: str, dataset_description: str, model_architecture: str, training_details: str) -> io.NodeOutput:
+
+        sections = []
+
+        # 3.1 Overview
+        sections.append("3.1 Overview")
+        if approach_overview:
+            sections.append(approach_overview)
+        else:
+            sections.append("Our method consists of three main components: (1) a preprocessing module for standardizing input images, (2) a deep neural network for feature extraction and segmentation, and (3) a post-processing step for refining predictions.")
+
+        # 3.2 Dataset
+        sections.append("\n3.2 Dataset and Preprocessing")
+        if dataset_description:
+            sections.append(dataset_description)
+        else:
+            sections.append("We evaluate our method on a dataset comprising medical images from multiple institutions. Images are resampled to a common resolution and intensity-normalized. Data augmentation including random rotation, scaling, and elastic deformation is applied during training.")
+
+        # 3.3 Model Architecture
+        sections.append("\n3.3 Model Architecture")
+        if model_architecture:
+            sections.append(model_architecture)
+        else:
+            sections.append("The network architecture follows an encoder-decoder design with skip connections. The encoder extracts multi-scale features using residual blocks, while the decoder progressively upsamples feature maps to produce segmentation masks. Attention mechanisms are incorporated to focus on relevant regions.")
+
+        # 3.4 Training
+        sections.append("\n3.4 Training Procedure")
+        if training_details:
+            sections.append(training_details)
+        else:
+            sections.append("Models are trained using the Adam optimizer with a learning rate of 1e-4. We employ a combined loss function consisting of Dice loss and cross-entropy. Training is performed for 200 epochs with early stopping based on validation performance.")
+
+        # 3.5 Evaluation
+        sections.append("\n3.5 Evaluation Metrics")
+        sections.append("Segmentation performance is evaluated using Dice similarity coefficient (DSC), Intersection over Union (IoU), and Hausdorff distance. Statistical significance is assessed using paired t-tests with Bonferroni correction for multiple comparisons.")
+
+        methods_text = "\n".join(sections)
+
+        return io.NodeOutput(methods_text=methods_text)