docs: update progress — server fully ready (44/44 checks pass)

- Mark all server-side tasks as complete (fail2ban, Flower password,
  unattended-upgrades, verification script)
- Correct memory limits: celery-beat and flower bumped to 256m after OOM
- Update scaling guide memory budget to match actual limits

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/deployment/scaling-guide.md

@@ -22,17 +22,17 @@ Practical playbook for scaling Orion from a single CAX11 server to a multi-serve
 | redis | 128 MB | Task broker + cache |
 | api | 512 MB | FastAPI (Uvicorn) |
 | celery-worker | 512 MB | Background tasks |
-| celery-beat | 128 MB | Task scheduler |
-| flower | 128 MB | Celery monitoring |
-| **App subtotal** | **1,920 MB** | |
+| celery-beat | 256 MB | Task scheduler |
+| flower | 256 MB | Celery monitoring |
+| **App subtotal** | **2,176 MB** | |
 | prometheus | 256 MB | Metrics (15-day retention) |
 | grafana | 192 MB | Dashboards |
 | node-exporter | 64 MB | Host metrics |
 | cadvisor | 128 MB | Container metrics |
 | alertmanager | 32 MB | Alert routing |
 | **Monitoring subtotal** | **672 MB** | |
-| **Total containers** | **2,592 MB** | |
-| OS + Caddy + Gitea + CI | ~1,400 MB | Remaining headroom |
+| **Total containers** | **2,848 MB** | |
+| OS + Caddy + Gitea + CI | ~1,150 MB | Remaining headroom |
 
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