[CLAUDE] VPS setup scripts + SSL + runner + FE prod config + master runbook

Scripts moi (PowerShell admin trên VPS Windows Server):
- setup-sql-db.ps1: tao DB SolutionErp + grant db_owner cho vrapp (user shared voi VIETREPORT). Idempotent.
- setup-iis-sites.ps1: app pool SolutionErp-Api (NoManagedCode + AlwaysRunning + no idle) + 3 site (SolutionErp-Api/Admin/User) voi host header, C:\inetpub\solution-erp\{api,fe-admin,fe-user,logs,uploads}. Placeholder index.html + SPA web.config voi URL rewrite fallback + security headers. Firewall rule. ACL grant AppPool identity Modify. Naming prefix SolutionErp-* tranh conflict VIETREPORT.
- setup-ssl.ps1: download win-acme v2.2.9 → issue cert Let's Encrypt 3 domain (api/admin/user.huypham.vn) qua HTTP-01 challenge + auto install IIS binding + HTTP→HTTPS redirect + scheduled task 90d renew.
- setup-gitea-runner.ps1: download act_runner.exe → register voi Gitea git.baocaogiaoduc.vn, install Windows service, labels windows-latest,self-hosted,windows,x64 (cho phep share voi VIETREPORT).

FE production config:
- fe-admin/.env.production + fe-user/.env.production: VITE_API_BASE_URL=https://api.huypham.vn
- fe-admin/src/lib/api.ts + fe-user/src/lib/api.ts: BASE_URL = (import.meta.env.VITE_API_BASE_URL ?? '') + '/api'
  - Dev: empty prefix → /api qua Vite proxy :5443
  - Prod: https://api.huypham.vn/api (cross-origin CORS da config AllowedOrigins)

Docs:
- docs/guides/vps-setup.md MOI (master runbook): prereq, 4 script chay theo thu tu, set 5 Gitea secrets, first deploy, appsettings.Production.json pattern (file hoac user-secrets), smoke test 3 curl, post go-live checklist (doi admin password, rotate secrets chat-exposed, backup schedule, disable Swagger prod, monitor logs), table co-existence VIETREPORT
- CLAUDE.md root: add vps-setup.md reference

Gitea repo da setup (extern):
- https://git.baocaogiaoduc.vn/vietreport-admin/solution-erp (private)
- Secrets set via API: IIS_HOST=103.124.94.38, IIS_USER=Administrator, DB_CONNECTION (voi vrapp password), JWT_SECRET placeholder
- CON THIEU: IIS_PASSWORD (Windows admin — user cung cap), JWT_SECRET real value (64-char tu vps-jwt-key.txt — user update qua Gitea UI)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

fe-admin/.env.production

@@ -0,0 +1 @@
+VITE_API_BASE_URL=https://api.huypham.vn

fe-admin/src/lib/api.ts

@@ -4,8 +4,12 @@ export const TOKEN_KEY = 'solution-erp-admin-token'
 export const REFRESH_KEY = 'solution-erp-admin-refresh'
 export const USER_KEY = 'solution-erp-admin-user'
 
+// Dev: Vite proxy /api → :5443 (vite.config.ts)
+// Prod: VITE_API_BASE_URL = https://api.huypham.vn (env.production)
+const BASE_URL = (import.meta.env.VITE_API_BASE_URL ?? '') + '/api'
+
 export const api = axios.create({
-  baseURL: '/api',
+  baseURL: BASE_URL,
   timeout: 30000,
 })