Joshua 7 — Content Shield

# Joshua 7 — Content Shield

Pre-publication AI content validation engine. Python, FastAPI, Pydantic v2.

## Commands
- `joshua7 validate --text "..."` / `--file path` / `--stdin`
- `joshua7 list` — list validators
- `joshua7 serve --port 8000` — run API
- `pytest` — run tests

## Validators
1. Forbidden Phrase Detector
2. PII Validator (email, phone, SSN, credit card — always redacted)
3. Brand Voice Scorer
4. Prompt Injection Detector
5. Readability Scorer

## Config
- `config/default.yaml` or env vars with `J7_` prefix
- Copy `.env.example` → `.env` for overrides