feat: mv *.db to data

README.md

@@ -21,6 +21,7 @@
 - **🧠 灵活的模型接入**: 原生集成 LiteLLM，支持随插随用 OpenAI、DeepSeek、智谱、通义千问 (DashScope)、火山引擎或任何兼容的 LLM 提供商。
 - **🛠️ 强大的 Agent 技能拓展**: 基于核心 `nanobot`框架（`OpenClaw`的精简版）构建。支持通过斜杠命令 (`/`) 快速调用自定义工具 (Skills)，完美贴合特定业务逻辑。
 - **📊 可定制仪表盘 (Dashboard)**: 一键将对话中生成的图表固定到看板，拖拽布局，随时查看核心指标。
+- **📦 智能产物管理 (Artifact)**: 自动提取对话中生成的各种文件（网页报告、PDF、PPT、图片等），提供一键内嵌预览与下载功能，让成果触手可及。
 
 ***
 
@@ -33,6 +34,10 @@
   <br />
   <h3>可定制仪表盘</h3>
   <img src="./examples/dashboard.png" width="80%" />
+  <br />
+  <br />
+  <h3>智能产物预览 (Artifact)</h3>
+  <img src="./examples/artifact.png" width="80%" />
 </div>
 
 <br />

README_en.md

@@ -21,6 +21,7 @@ Whether you're querying a massive Supabase/PostgreSQL database or just tossing i
 - **🧠 Bring Your Own LLM**: Native integration with LiteLLM. Plug in OpenAI, DeepSeek, Zhipu, DashScope, Volcengine, or any compatible provider.
 - **🛠️ Extensible Agent Skills**: Built on top of the powerful `nanobot` framework (a lightweight version of `OpenClaw`). Add custom tools and slash commands (`/`) to tailor the agent to your specific business logic.
 - **📊 Customizable Dashboards**: Pin your favorite chat-generated charts to a drag-and-drop dashboard for quick access.
+- **📦 Intelligent Artifact Management**: Automatically extracts generated files (HTML reports, PDFs, PPTs, images, etc.) from conversations, providing embedded previews and one-click downloads.
 
 ***
 
@@ -33,6 +34,10 @@ Whether you're querying a massive Supabase/PostgreSQL database or just tossing i
   <br />
   <h3>Customizable Dashboard</h3>
   <img src="./examples/dashboard.png" width="80%" />
+  <br />
+  <br />
+  <h3>Artifact Preview</h3>
+  <img src="./examples/artifact.png" width="80%" />
 </div>
 
 <br />

backend/app/database.py

@@ -3,10 +3,10 @@ from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 
-# Use absolute path to ensure dataclaw.db is created in the backend root directory, 
-# preventing nested backend/backend/dataclaw.db issues when starting from different cwd.
-BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-DB_PATH = os.path.join(BASE_DIR, "dataclaw.db")
+from app.core.data_root import get_data_root
+
+# Ensure dataclaw.db is created in the global data directory
+DB_PATH = get_data_root() / "dataclaw.db"
 SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"
 
 engine = create_engine(