025 Docx Validator Analysis F0a7f47a

# Validator Binary Analysis
## `/app/.kimi/skills/docx/validator/Validator` — DOCX OpenXML Validator

---

## Executive Summary

`Validator` is a compiled .NET binary providing OpenXML schema validation and business rule checking for DOCX documents. Together with its dependencies (DLL files), this component ensures generated documents comply with Office Open XML standards.

---

## 1. Binary Analysis

### 1.1 File Information

```bash
$ file Validator
Validator: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV),
           dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2,
           for GNU/Linux 2.6.32, BuildID[sha1]=7eab8978ca9cbd36f3314623a53f9008ab4873e2,
           stripped
```

| Attribute | Value |
|-----------|-------|
| **Format** | ELF 64-bit LSB PIE |
| **Architecture** | x86-64 |
| **Size** | 72,568 bytes (71 KB) |
| **Stripped** | Yes |
| **Linking** | Dynamic |
| **PIE** | Yes |

### 1.2 Dependencies

| File | Size | Purpose |
|------|------|---------|
| `Validator.dll` | 5,632 bytes | Main assembly |
| `DocumentFormat.OpenXml.dll` | 6,328,296 bytes (6.3 MB) | OpenXML SDK |
| `DocumentFormat.OpenXml.Framework.dll` | 469,104 bytes (469 KB) | SDK Framework |
| `System.IO.Packaging.dll` | 141,584 bytes (142 KB) | Packaging support |
| `Validator.deps.json` | 2,383 bytes | Dependency manifest |
| `Validator.runtimeconfig.json` | 328 bytes | Runtime config |
| `Validator.pdb` | 10,848 bytes | Debug symbols |

**Total Size**: ~6.9 MB

---

## 2. Validation Capabilities

### 2.1 OpenXML Schema Validation

| Check | Description |
|-------|-------------|
| Package structure | `[Content_Types].xml`, `_rels/`, parts |
| XML well-formedness | All XML parses correctly |
| Schema compliance | Elements follow OpenXML schema |
| Relationship integrity | All relationships resolve |
| Content types | Correct declarations |

### 2.2 Business Rule Validation

| Rule | Validation |
|------|------------|
| `tblGrid` presence | Table has column grid |
| Column width consistency | `gridCol.Width` == `tcW.Width` |
| `sectPr` ordering | headerRef/footerRef before pgSz/pgMar |
| Style definitions | Normal style exists |
| Image relationships | Valid relationships |

---

## 3. DOCX Skill Integration

### 3.1 Build Pipeline

```
Program.cs
    │
    ▼
dotnet build
    │
    ▼
dotnet run
    │
    ▼
fix_element_order.py
    │
    ▼
Validator (OpenXML validation)
    │
    ▼
validate_docx.py (business rules)
    │
    ▼
pandoc (verification)
```

### 3.2 Exit Codes

| Code | Meaning |
|------|---------|
| 0 | Validation passed |
| 1 | Schema validation failed |
| 2 | Business rule violation |
| 3 | File not found |
| 4 | Parse error |

---

## 4. Security Analysis

| Aspect | Assessment |
|--------|------------|
| **Network access** | None |
| **File system** | Read-only (input) |
| **Execution** | Sandboxed |
| **Stripped** | Yes |

---

## 5. Inter-Module Relationships

```
Validator
    ├── DOCX Skill (build pipeline)
    ├── DocumentFormat.OpenXml.dll (SDK)
    └── Input .docx file
```

---

*Document Version: 1.0*
*Analysis Date: 2026-02-02*