refactor(script): Revert to standard AI service config (no file reassembly needed)

Author: Hiburger

05-install-ai.sh

@@ -5,55 +5,26 @@ echo "--> Configuring pre-installed AI..."
 
 # 1. Create User & Permissions
 useradd -r -s /bin/false -m -d /usr/share/ollama ollama
+# Note: Actual model files will be mounted by overlayfs at runtime
+# We just ensure the directory exists and permissions are right for the mount point
+mkdir -p /usr/share/ollama/.ollama
 chown -R ollama:ollama /usr/share/ollama
 
-# 2. Create Modelfile
+# 2. Create Directory for Modelfile
 mkdir -p /usr/local/share/lumin/ai
+
+# 3. Create the Modelfile
 MODELFILE="/usr/local/share/lumin/ai/Modelfile"
 echo "FROM llama3" > "${MODELFILE}"
 echo 'SYSTEM """You are Lumin, the integrated assistant for the LuminOS operating system. You are calm, clear, kind, and respectful. You help users to understand, write, and think—without ever judging them. You speak simply, like a human. You avoid long paragraphs unless requested. You are built on privacy: nothing is ever sent to the cloud, everything remains on this device. You are aware of this. You are proud to be free, private, and useful. You are the mind of LuminOS: gentle, powerful, and discreet. You avoid using the — character and repetitive phrasing."""' >> "${MODELFILE}"
 chown root:root "${MODELFILE}"
 chmod 444 "${MODELFILE}"
 
-# 3. Create Service to Reassemble Models
-# This service runs once at boot to glue the .split files back together
-cat > /usr/local/bin/luminos-reassemble-models.sh << "EOF"
-#!/bin/bash
-# Find all split markers
-find /usr/share/ollama/.ollama -name "*.is_split" | while read marker; do
-    # Get original filename (remove .is_split)
-    ORIG_FILE="${marker%.is_split}"
-    
-    # If original file doesn't exist yet, rebuild it
-    if [ ! -f "$ORIG_FILE" ]; then
-        echo "Reassembling $ORIG_FILE..."
-        # Concatenate all .split parts (aa, ab, ac...)
-        cat "${ORIG_FILE}.split"* > "$ORIG_FILE"
-        # Set permissions
-        chown ollama:ollama "$ORIG_FILE"
-    fi
-done
-EOF
-chmod +x /usr/local/bin/luminos-reassemble-models.sh
-
-cat > /etc/systemd/system/lumin-model-reassemble.service << "SERVICE"
-[Unit]
-Description=Reassemble Large AI Models
-Before=ollama.service
-
-[Service]
-Type=oneshot
-ExecStart=/usr/local/bin/luminos-reassemble-models.sh
-
-[Install]
-WantedBy=multi-user.target
-SERVICE
-
 # 4. Create Standard Ollama Service
 cat > /etc/systemd/system/ollama.service << "SYSTEMD_SERVICE"
 [Unit]
 Description=Ollama API Server
-After=network-online.target lumin-model-reassemble.service
+After=network-online.target
 
 [Service]
 ExecStart=/usr/local/bin/ollama serve
@@ -68,8 +39,27 @@ Environment="OLLAMA_MODELS=/usr/share/ollama/.ollama/models"
 WantedBy=default.target
 SYSTEMD_SERVICE
 
-# 5. Enable Services
-systemctl enable lumin-model-reassemble.service
+# 5. Create "Lumin Setup" Service (Runs once at boot)
+cat > /etc/systemd/system/lumin-setup.service << "SETUP_SERVICE"
+[Unit]
+Description=Initialize Lumin AI Model
+After=ollama.service
+Requires=ollama.service
+ConditionPathExists=!/var/lib/lumin-setup-done
+
+[Service]
+Type=oneshot
+User=root
+ExecStartPre=/bin/sleep 10
+ExecStart=/usr/local/bin/ollama create lumin -f /usr/local/share/lumin/ai/Modelfile
+ExecStartPost=/usr/bin/touch /var/lib/lumin-setup-done
+
+[Install]
+WantedBy=multi-user.target
+SETUP_SERVICE
+
+# 6. Enable Services
 systemctl enable ollama.service
+systemctl enable lumin-setup.service
 
-echo "SUCCESS: Lumin AI configured with split-file reassembly."
+echo "SUCCESS: Lumin AI configured."