Add canManage computed (senior_editor + admin) to auth store and use it
for oil edit/delete buttons, PDF export, and public recipe section
visibility. Backend already allowed these operations for senior_editor.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Oil knowledge card modal for 21 oils (功效/用法/注意事项)
- 📖 badge on oils that have cards
- Green gradient header, method badges, bullet lists
- Oil states: inactive oils greyed out, card oils highlighted
- Dilution guide modal (稀释比例 by age group)
- Safety caution modal (使用禁忌)
- PDF export: printable price table in new window
- Add oil form with volume dropdown (2.5/5/10/15/115ml)
- Search filters by Chinese + English name
- composables/useOilCards.js: OIL_CARDS data + getOilCard()
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- oils store: change Map to plain object for Vue reactivity
- recipes store: map `oil_name` from API (was only mapping `oil`/`name`)
- OilReference: fix .get() calls to bracket access
- Add price-display.cy.js regression test (3 tests)
- Add visual-check.cy.js for screenshot verification
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
