STEP 8C CLEAN PACKAGE

Baseline: confirmed Step 8B CLEAN REPEAT FIX
Purpose: authenticated saved-profile dashboard + calculation history
Database schema changes: NONE
SQL import: NONE
Database credential files included: NO

Main new files:
- public/dashboard.html
- public/assets/dashboard.js
- api/controllers/NumerologyProfileController.php (GET profile added; POST calculation retained)
- api/routes/numerology-profile.php (GET/POST routing)
- STEP_8C_README.md

Existing Step 8B calculator/authentication/calculation code is preserved.