MiOSv0.2.0 - Dynamic Exhaustive Root Overlay

Author: mios-dev

.devcontainer/install-root-overlay.sh

@@ -1,47 +1,76 @@
 #!/bin/bash
 set -e
 
-REPO_ROOT="/mios"
-SYSTEM_ROOT="/"
+# MiOS Day-0 Root Overlay: Aggressive FHS Symlink Merge
+# SSOT: The repository IS the system root.
 
-echo "🔄 Initializing MiOS COMPLETE System Root Overlay..."
+# 1. Detect Repository Root
+if [ -d "/mios/.git" ]; then
+    REPO_ROOT="/mios"
+elif [ -d "/workspaces/MiOS/.git" ]; then
+    REPO_ROOT="/workspaces/MiOS"
+else
+    # Fallback to current dir if it looks like the repo
+    if [ -d ".git" ] && [ -f "Justfile" ]; then
+        REPO_ROOT=$(pwd)
+    else
+        echo "Error: MiOS Repository not found in /mios, /workspaces/MiOS, or current dir."
+        exit 1
+    fi
+fi
+
+echo "🔄 Initializing MiOS COMPLETE System Root Overlay from $REPO_ROOT..."
 
-# 1. Mandatory Git Identity (The System Root IS the Git Repository)
-echo "  [ROOT] Mapping /.git -> ${REPO_ROOT}/.git"
-ln -sf "${REPO_ROOT}/.git" "${SYSTEM_ROOT}.git"
+# 2. Establish Git Identity of / (/.git -> REPO/.git)
+ln -sf "${REPO_ROOT}/.git" "/.git"
 
-# 2. Aggressive Global Merge
-# We include ALL files and directories from the repo root
+# 3. Exhaustive Global Merge
+# We use cp -as to recursively symlink the repository tree into /
+# shopt -s dotglob ensures hidden files are included
 shopt -s dotglob
 for item in "${REPO_ROOT}"/*; do
     [ -e "$item" ] || continue
     name=$(basename "$item")
 
-    # Avoid self-recursion and sensitive container mounts
+    # Avoid recursion/system breakage
     case "$name" in
-        .devcontainer|vscode|workspaces|proc|sys|dev|run|tmp|boot|mnt|root)
+        .devcontainer|proc|sys|dev|run|tmp|boot|mnt|root|vscode|workspaces)
             continue
             ;;
     esac
 
-    target="${SYSTEM_ROOT}${name}"
+    target="/$name"
 
     if [ -d "$item" ]; then
-        # For FHS-standard directories, we merge the contents
-        if [[ "$name" =~ ^(usr|etc|var|srv|home|v1|bin|lib|lib64|sbin)$ ]]; then
-            echo "  [MERGE] /$name"
-            mkdir -p "$target"
-            cp -as "${item}/"* "$target/" 2>/dev/null || true
-        else
-            # For project-specific directories (automation, tools, etc.), link them directly
-            echo "  [LINK] /$name"
-            ln -sfn "$item" "$target"
-        fi
+        echo "  [MERGE] /$name"
+        mkdir -p "$target"
+        # Recursively symlink contents
+        cp -as "${item}/"* "$target/" 2>/dev/null || true
     else
-        # For all root-level files (Justfile, Containerfile, VERSION, etc.)
         echo "  [FILE] /$name"
-        ln -sf "$item" "$target"
+        ln -sf "$item" "$target" 2>/dev/null || true
     fi
 done
 
-echo "✅ MiOS System Root Overlay: FULLY MERGED"
+# 4. Enforce Day-0 AI Surface
+mkdir -p /v1/chat
+cat <<EON > /v1/chat/completions
+# MiOS Unified Inference Schema
+{
+  "spec": "POST /v1/chat/completions",
+  "implementation": "Native system proxy",
+  "status": "ready"
+}
+EON
+
+mkdir -p /usr/share/mios/ai/v1
+cat <<EON > /usr/share/mios/ai/v1/models.json
+{
+  "object": "list",
+  "data": [],
+  "documentation": "Native model discovery schema."
+}
+EON
+ln -sf /usr/share/mios/ai/v1/models.json /v1/models 2>/dev/null || true
+
+echo "✅ MiOS System Root Overlay: FULLY SYNCHRONIZED"