feat: Add dashboard chat integration and MCP server

Major changes:
- Dashboard: WebSocket-based chat with session management
- Dashboard: New chat components (ChatPane, ChatInput, ModeToggle)
- Dashboard: Enhanced UI with parallel coordinates chart
- MCP Server: New atomizer-tools server for Claude integration
- Extractors: Enhanced Zernike OPD extractor
- Reports: Improved report generator

New studies (configs and scripts only):
- M1 Mirror: Cost reduction campaign studies
- Simple Beam, Simple Bracket, UAV Arm studies

Note: Large iteration data (2_iterations/, best_design_archive/)
excluded via .gitignore - kept on local Gitea only.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

studies/Simple_Beam/simple_beam_optimization/3_reports/COMPREHENSIVE_BENCHMARK_RESULTS.md

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+# Comprehensive Benchmark Analysis - Simple Beam Optimization
+
+**Date**: 2025-11-17
+**Study**: simple_beam_optimization
+**Model**: Beam.prt (CQUAD4 shell elements)
+
+## 🔍 Complete Results Analysis
+
+### Expression Discovery (via .exp export)
+
+**Total Expressions**: 30 (100% captured with seamless .exp export!)
+
+**Key Design Variables**:
+- `beam_half_core_thickness`: 20.0 mm
+- `beam_face_thickness`: 20.0 mm
+- `holes_diameter`: 300.0 mm
+- `hole_count`: 10 (unitless)
+
+**Mass Expression**:
+- `p173`: **973.968 kg** ✅
+
+### OP2 File Analysis
+
+**File**: beam_sim1-solution_1.op2
+
+**Available Results**:
+| Result Type | Status | Subcases | Notes |
+|-------------|--------|----------|-------|
+| Displacement | ✅ YES | [1] | Max: 22.12 mm at node 5186 |
+| Stress | ✅ YES | [1] | Max von Mises: 131.507 MPa at element 454 |
+| Strain | ❌ NO | - | Not configured in NX simulation |
+| Element Forces | ❌ NO | - | Not configured in NX simulation |
+| SPC Forces | ✅ YES | [1] | Reaction forces at constraints |
+
+**Element Types**: CQUAD4 (shell elements, 9782 elements)
+
+### F06 File Analysis
+
+**File**: beam_sim1-solution_1.f06
+
+**Available Results**:
+- ❌ NO displacement output
+- ❌ NO stress output
+- ❌ NO strain output
+- ❌ NO force output
+
+**Conclusion**: F06 file does not contain tabular results. All usable results are in OP2.
+
+## 📊 Baseline Performance
+
+**Current Design**:
+- beam_half_core_thickness = 20 mm
+- beam_face_thickness = 20 mm
+- holes_diameter = 300 mm
+- hole_count = 10
+
+**Measured Results**:
+- **Max Displacement**: 22.12 mm (exceeds 10mm target!)
+- **Max von Mises Stress**: 131.507 MPa (at element 454)
+- **Mass**: 973.97 kg
+
+## 🎯 Available Optimization Objectives
+
+Based on what's actually in the output files:
+
+### Can Optimize NOW:
+1. **Displacement** (from OP2)
+   - Minimize max displacement
+   - Constrain to < 10mm
+   - Current: 22.12 mm (VIOLATES constraint!)
+
+2. **Stress** (from OP2)
+   - Minimize max von Mises stress
+   - Current: 131.507 MPa
+   - Element type: CQUAD4 (shells)
+
+3. **Mass** (from p173 expression)
+   - Minimize weight
+   - Current: 973.97 kg
+
+4. **SPC Forces** (from OP2)
+   - Reaction forces at constraints
+   - Could be used as objective or constraint
+
+### Cannot Optimize (yet):
+1. **Strain** - Not in output files
+2. **Element Forces** - Not in output files
+
+## 📝 Recommended Configuration
+
+**Full Multi-Objective Optimization (All 3 objectives available NOW!)**
+```json
+{
+  "extractors": [
+    {
+      "name": "max_displacement",
+      "action": "extract_displacement"
+    },
+    {
+      "name": "max_stress",
+      "action": "extract_solid_stress"
+    },
+    {
+      "name": "mass",
+      "action": "extract_expression",
+      "parameters": {
+        "expression_name": "p173"
+      }
+    }
+  ],
+  "objectives": [
+    {
+      "name": "minimize_displacement",
+      "extractor": "max_displacement",
+      "goal": "minimize",
+      "weight": 0.33
+    },
+    {
+      "name": "minimize_stress",
+      "extractor": "max_stress",
+      "goal": "minimize",
+      "weight": 0.33
+    },
+    {
+      "name": "minimize_mass",
+      "extractor": "mass",
+      "goal": "minimize",
+      "weight": 0.34
+    }
+  ],
+  "constraints": [
+    {
+      "name": "displacement_limit",
+      "extractor": "max_displacement",
+      "type": "less_than",
+      "value": 10.0
+    }
+  ]
+}
+```
+
+## ✅ What Works
+
+- ✅ Expression gathering (30/30 expressions captured seamlessly!)
+- ✅ Displacement extraction from OP2 (max: 22.12 mm)
+- ✅ Stress extraction from OP2 (max von Mises: 131.507 MPa) **FIXED!**
+- ✅ Mass extraction from expressions (p173: 973.97 kg)
+- ✅ Proper unit system handling (MN-MM → MPa conversion)
+- ✅ SPC forces available if needed
+- ✅ Load from folder settings working
+- ✅ FEM file loading working
+
+## 🔄 Next Steps
+
+**Immediate (Ready to start!)**:
+1. Update optimization config to use all 3 objectives (displacement + stress + mass)
+2. Run validation trials to test complete pipeline
+3. If successful, run full optimization (50 trials)
+
+**Baseline to Beat**:
+- Displacement: 22.12 mm → target < 10 mm
+- Stress: 131.507 MPa → minimize
+- Mass: 973.97 kg → minimize