Add sync.sh for content sync between local and server

- pull: server → local
- push: local → server
- watch: auto-push on file changes via fswatch
- status: dry-run diff
- dev.sh: ./dev.sh --sync pulls before starting

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

sync.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+# Sync content between local and server
+#
+# Usage:
+#   ./sync.sh pull          # Server → Local (before starting dev)
+#   ./sync.sh push          # Local → Server (after local edits)
+#   ./sync.sh watch         # Auto-push on local file changes (requires fswatch)
+#   ./sync.sh status        # Show diff between local and server
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+SERVER="root@167.86.74.105"
+SSH_KEY="$HOME/.ssh/contabo_rsa"
+REMOTE_CONTENT="/opt/rustycms/content"
+LOCAL_CONTENT="./content"
+
+SSH_OPTS="-o StrictHostKeyChecking=no -i $SSH_KEY"
+RSYNC_OPTS="-avz --delete -e \"ssh $SSH_OPTS\""
+
+# Colors
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+pull() {
+  echo -e "${BLUE}← Pulling content from server...${NC}"
+  rsync -avz --delete \
+    -e "ssh $SSH_OPTS" \
+    "$SERVER:$REMOTE_CONTENT/" \
+    "$LOCAL_CONTENT/"
+  echo -e "${GREEN}✓ Pull complete${NC}"
+}
+
+push() {
+  echo -e "${BLUE}→ Pushing content to server...${NC}"
+  rsync -avz --delete \
+    -e "ssh $SSH_OPTS" \
+    "$LOCAL_CONTENT/" \
+    "$SERVER:$REMOTE_CONTENT/"
+  echo -e "${GREEN}✓ Push complete${NC}"
+}
+
+status() {
+  echo -e "${BLUE}~ Comparing local ↔ server...${NC}"
+  rsync -avzn --delete \
+    -e "ssh $SSH_OPTS" \
+    "$LOCAL_CONTENT/" \
+    "$SERVER:$REMOTE_CONTENT/" \
+    | grep -v "^sending\|^sent\|^total\|^$" || true
+  echo -e "${YELLOW}(dry-run, no changes made)${NC}"
+}
+
+watch() {
+  if ! command -v fswatch &>/dev/null; then
+    echo "fswatch not found. Install with: brew install fswatch"
+    exit 1
+  fi
+  echo -e "${BLUE}👁  Watching ./content for changes (Ctrl+C to stop)...${NC}"
+  fswatch -o "$LOCAL_CONTENT" | while read -r _; do
+    echo -e "${BLUE}→ Change detected, pushing...${NC}"
+    rsync -az --delete \
+      -e "ssh $SSH_OPTS" \
+      "$LOCAL_CONTENT/" \
+      "$SERVER:$REMOTE_CONTENT/" \
+      && echo -e "${GREEN}✓ Pushed$(date +'  %H:%M:%S')${NC}"
+  done
+}
+
+case "${1:-}" in
+  pull)   pull ;;
+  push)   push ;;
+  status) status ;;
+  watch)  watch ;;
+  *)
+    echo "Usage: ./sync.sh [pull|push|status|watch]"
+    echo ""
+    echo "  pull    Server → Local  (fetch latest content before dev)"
+    echo "  push    Local → Server  (upload local edits)"
+    echo "  status  Show what would change on push (dry-run)"
+    echo "  watch   Auto-push on local file changes (requires fswatch)"
+    exit 1
+    ;;
+esac