STEP 9C HUMAN DESIGN ENGINE — CLEAN UPLOAD

Baseline: confirmed Step 9B + previously tested Step 9C integration
New route: numerology/human-design
New engine: src/Numerology/HumanDesignEngine.php
New controller: api/controllers/HumanDesignController.php
New route file: api/routes/human-design.php
New test: tests/test-human-design-engine.php

Database schema changes: NONE
SQL import: NOT REQUIRED
Credentials replacement: DO NOT REPLACE database.php

Local verification:
Human Design engine: 8/8 PASS
PHP syntax: PASS
JavaScript syntax: PASS
