chore: Update NX version to 2412

DEVELOPMENT.md

@@ -242,7 +242,7 @@ You can reference and copy modules from there as needed. Key files to adapt:
 Before starting development, decide on:
 
 1. **Which phase to tackle first?** (MCP, Engine, Dashboard, or NXOpen)
-2. **Target NX version?** (2306, 2406, or multi-version support)
+2. **Target NX version?** (NX 2412 | Future: multi-version support, or multi-version support)
 3. **Deployment strategy?** (Local only or client-server architecture)
 4. **Testing approach?** (Unit tests only or integration tests with real NX)
 5. **Documentation format?** (Markdown, Sphinx, MkDocs)

README.md

@@ -40,7 +40,7 @@ Atomizer is a next-generation optimization framework for Siemens NX that combine
 
 ### Prerequisites
 
-- **Siemens NX 2306+** with NX Nastran solver
+- **Siemens NX 2412** with NX Nastran solver
 - **Python 3.10+** (recommend Anaconda)
 - **Node.js 18+** (for dashboard frontend)
 
@@ -70,7 +70,7 @@ Atomizer is a next-generation optimization framework for Siemens NX that combine
 4. **Configure NX path** (edit `config/nx_config.json`):
    ```json
    {
-     "nx_executable": "C:/Program Files/Siemens/NX2306/NXBIN/ugraf.exe",
+     "nx_executable": "C:/Program Files/Siemens/NX2412/NXBIN/ugraf.exe",
      "python_env": "C:/Users/YourName/anaconda3/envs/atomizer/python.exe"
    }
    ```

config/nx_config.json.template

@@ -1,5 +1,5 @@
 {
-  "nx_executable": "C:/Program Files/Siemens/NX2306/NXBIN/ugraf.exe",
+  "nx_executable": "C:/Program Files/Siemens/NX2412/NXBIN/ugraf.exe",
   "python_env": "C:/Users/YourName/anaconda3/envs/atomizer/python.exe",
   "journals_dir": "./nx_journals",
   "temp_dir": "./temp",