File	Action	What
`src/lib/litellm.ts`	REPLACE	Added `listTeams()`, `getLitellmHealth()`, `getGlobalSpend()`, `getPerTeamSpend()`
`src/app/api/admin/health/route.ts`	NEW	Returns tenant phase counts, aggregate + per-tenant spend, vLLM & LiteLLM health
`src/components/admin/admin-panel.tsx`	REPLACE	Added "Health" tab (service indicators, tenant overview, spend cards) + "Spend (CHF)" column in tenants table
`patch-i18n-admin-health.mjs`	RUN ONCE	Patches all 4 i18n files with new admin keys

Steps

Drop in the 3 source files (overwrite existing)
Run the i18n patcher from the portal root:
```
node patch-i18n-admin-health.mjs
```
Build and deploy

Environment Variables (optional)

VLLM_HEALTH_URL — defaults to http://vllm.inference.svc:8000. Set if your vLLM is elsewhere.
LITELLM_INTERNAL_URL / LITELLM_MASTER_KEY — already configured.

The health API uses Promise.allSettled so a single service being down won't break the whole page.
Per-tenant spend is fetched from LiteLLM's /team/list which returns the cumulative spend per team. This is mapped to tenant names via status.litellmTeamId on the PiecedTenant CR.
The spend column in the tenants table piggybacks on the same health data — fetched once when switching to the tenants tab.
If LiteLLM's /team/list or /global/spend response format differs from what I assumed, you may need to adjust the parsing in litellm.ts. The functions have fallbacks for common response shapes.