Simplify Athena runtime and document current architecture

config/install.env.example

@@ -3,7 +3,7 @@
 
 AI_HOSTNAME=ki-host
 ADMIN_USER=mike
-MODEL_DIR=/srv/mike-ai/models
+MODEL_DIR=/data/models
 
 # Installing a new NVIDIA driver can require one reboot. In that case this
 # installer exits with code 20 (NVIDIA) or 21 (stable NIC rename); rerun the
@@ -15,8 +15,8 @@ NVIDIA_DRIVER_BRANCH=
 NVIDIA_MIN_DRIVER_MAJOR=570
 TEXT_GPU_DEVICES=0
 SECONDARY_GPU_DEVICES=1
-IMAGE_GPU_DEVICES=0
-FLUX_MODEL_DIR=/data/models/FLUX.2-klein-4B
+IMAGE_GPU_DEVICES=1
+Z_IMAGE_MODEL_DIR=/data/models/Z-Image-Turbo
 
 # Headless remote reachability. Firmware power-loss recovery is configured
 # separately once at the physical machine.
@@ -88,13 +88,6 @@ UNCENSORED_MTP_MAX=2
 EXPERIMENTAL_CONTEXT=76800
 LLAMA_THREADS=6
 LLAMA_THREADS_BATCH=6
-OPENWEBUI_IMAGE=mike-ai/openwebui:main-01f4282-tool-final-v3
-OPENWEBUI_ENABLE_SIGNUP=false
-OPENWEBUI_ENABLE_FOLLOW_UP_GENERATION=false
-# Removable community Hermes chat surface. Set false to keep only the official
-# Hermes Dashboard/API and native clients.
-INSTALL_HERMES_WEBUI=true
-HERMES_WEBUI_IMAGE=mike-ai/hermes-webui:0.52.113-hermes-source-v1
 PIPER_TTS_VERSION=1.6.0
 PIPER_VOICE=de_DE-thorsten-high
 XTTS_IMAGE=ghcr.io/coqui-ai/xtts-streaming-server:latest-cuda121@sha256:f7fb3b1f9d4bc88af94da1b5959d8002f1e0b003c97557164034eb8a29f01b90