Sync agent state from PC at 2026-05-15 12:08:01

sync/sync-agent.sh

@@ -2,12 +2,15 @@
 set -euo pipefail
 
 INTERVAL_SECONDS="${INTERVAL_SECONDS:-30}"
+HEARTBEAT_EVERY_SECONDS="${HEARTBEAT_EVERY_SECONDS:-60}"
 ONCE="${1:-}"
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
-STATE_DIR="$REPO_ROOT/.sync-state"
-ERROR_FILE="$STATE_DIR/sync-error-vps.md"
+LOCAL_STATE_DIR="$REPO_ROOT/.sync-state"
+PUBLIC_STATE_DIR="$REPO_ROOT/sync-state"
+HEARTBEAT_FILE="$PUBLIC_STATE_DIR/heartbeat-vps.json"
+ERROR_FILE="$PUBLIC_STATE_DIR/error-vps.md"
 
 ALLOWED_PATHS=(
   "AGENT_BOARD.md"
@@ -18,11 +21,13 @@ ALLOWED_PATHS=(
   "rollback"
   "tasks"
   "sync"
+  "sync-state"
+  ".gitattributes"
   ".gitignore"
 )
 
 ensure_state_dir() {
-  mkdir -p "$STATE_DIR"
+  mkdir -p "$LOCAL_STATE_DIR" "$PUBLIC_STATE_DIR"
 }
 
 write_sync_error() {
@@ -41,6 +46,51 @@ Manual action required. Do not continue automatic sync until the repository is c
 EOF
 }
 
+repo_clean_status() {
+  if [[ -z "$(git status --porcelain)" ]]; then
+    echo "clean"
+  else
+    echo "dirty"
+  fi
+}
+
+heartbeat_due() {
+  if [[ "$ONCE" == "--once" || ! -f "$HEARTBEAT_FILE" ]]; then
+    return 0
+  fi
+
+  local now last age
+  now="$(date +%s)"
+  last="$(stat -c %Y "$HEARTBEAT_FILE")"
+  age=$((now - last))
+  [[ "$age" -ge "$HEARTBEAT_EVERY_SECONDS" ]]
+}
+
+write_heartbeat() {
+  ensure_state_dir
+  if ! heartbeat_due; then
+    return 0
+  fi
+
+  local head branch status timestamp
+  head="$(git rev-parse --short HEAD)"
+  branch="$(git branch --show-current)"
+  status="$(repo_clean_status)"
+  timestamp="$(date '+%Y-%m-%dT%H:%M:%S%z')"
+
+  cat > "$HEARTBEAT_FILE" <<EOF
+{
+  "host": "vps",
+  "time": "$timestamp",
+  "branch": "$branch",
+  "head": "$head",
+  "status": "$status",
+  "intervalSeconds": $INTERVAL_SECONDS,
+  "heartbeatEverySeconds": $HEARTBEAT_EVERY_SECONDS
+}
+EOF
+}
+
 has_allowed_changes() {
   local line path allowed
   while IFS= read -r line; do
@@ -69,6 +119,8 @@ sync_once() {
     return 20
   fi
 
+  write_heartbeat
+
   if ! has_allowed_changes; then
     return 0
   fi