CWE SkillsAI 原生的 CWE 集成层

## CWE Skills — AI-Native CWE Integration

You have access to the `cwe` CLI tool for CWE (Common Weakness Enumeration) operations.

### Install
```bash
# Linux / macOS
curl -sL https://github.com/scagogogo/cwe-skills/releases/latest/download/cwe-skills_latest_linux_x86_64.tar.gz | tar xz && sudo mv cwe /usr/local/bin/
# or from source:
git clone https://github.com/scagogogo/cwe-skills.git && cd cwe-skills && go build -o cwe ./cmd/cwe/ && sudo mv cwe /usr/local/bin/
```
Verify: `cwe version`

### Core Commands
| Command | Purpose |
|---------|---------|
| `cwe parse CWE-79` | Parse a CWE ID |
| `cwe validate CWE-79` | Validate CWE ID format |
| `cwe format 79 89 352` | Format to standard CWE-NNN |
| `cwe extract "<text>"` | Extract CWE IDs from text |
| `cwe wellknown check CWE-79` | Check Top 25 / OWASP / SANS membership |
| `cwe wellknown top25` | List CWE Top 25 (2024) |
| `cwe enum abstraction` | List enumeration values |
| `cwe show CWE-79` | Fetch weakness details from MITRE API |
| `cwe relations parents CWE-79` | Query parent weaknesses via API |
| `cwe api-version` | Check MITRE API version |
| `cwe search --xml <file> --keyword Injection` | Search offline XML catalog |
| `cwe filter --xml <file> --abstraction Base --status Stable` | Multi-criteria filter |
| `cwe registry get CWE-79 --xml <file>` | Get entry from local registry |
| `cwe nav ancestors CWE-79 --xml <file>` | Navigate relationships offline |
| `cwe nav shortest-path CWE-79 CWE-1 --xml <file>` | Find shortest path |
| `cwe tree build CWE-1 --xml <file>` | Build hierarchy tree |
| `cwe stats --xml <file>` | XML catalog statistics |

### Output Format
Every command supports `-o json` for structured JSON output. Example: `cwe parse CWE-79 -o json`

### Go SDK
```go
import cweskills "github.com/scagogogo/cwe-skills"

id, _ := cweskills.ParseCWEID("CWE-79")
cweskills.IsInTop25(79)        // true
client := cweskills.NewAPIClient()
weakness, _ := client.GetWeakness(ctx, 79)
```
Install: `go get github.com/scagogogo/cwe-skills`

### Documentation
- Full docs: https://scagogogo.github.io/cwe-skills/
- Skills index: https://scagogogo.github.io/cwe-skills/skills/
- SDK reference: https://scagogogo.github.io/cwe-skills/sdk/overview
- CLI reference: https://scagogogo.github.io/cwe-skills/cli/overview