Harden DetMir DLP production runtime

- default DetMir DLP runtime to core_only/disabled with load-guard protection

- add fail-closed placeholder validation and runtime-scoped artifact checks

- document operator re-enable flow for light profile and guard rollback

- update prod docs, env examples, and Ansible DLP defaults

scripts/detmir_dlp_warehouse_sync.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SOURCE_HOST="${AW_DLP_WAREHOUSE_SOURCE_HOST:-igor@10.10.10.13}"
+SOURCE_PATH="${AW_DLP_WAREHOUSE_SOURCE_PATH:-/var/lib/activitywatch/dlp_warehouse.sqlite}"
+DEST_PATH="${AW_DLP_WAREHOUSE_DEST_PATH:-/var/lib/activitywatch/dlp_warehouse.sqlite}"
+STATE_DIR="${AW_DLP_WAREHOUSE_SYNC_STATE_DIR:-/var/lib/activitywatch/health}"
+STATE_FILE="${AW_DLP_WAREHOUSE_SYNC_STATE_FILE:-${STATE_DIR}/dlp-warehouse-sync-state.json}"
+SSH_OPTS="${AW_DLP_WAREHOUSE_SSH_OPTS:--o BatchMode=yes -o ConnectTimeout=5}"
+REMOTE_TMP="/tmp/dlp_warehouse_sync_$$.sqlite"
+LOCAL_TMP=""
+
+json_string() {
+  python3 -c 'import json,sys; print(json.dumps(sys.argv[1], ensure_ascii=False))' "$1"
+}
+
+write_state() {
+  local status="$1"
+  local message="$2"
+  local rows="${3:-}"
+  local bytes="${4:-}"
+  local now tmp
+  now="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+  mkdir -p "$STATE_DIR"
+  tmp="$(mktemp "${STATE_FILE}.tmp.XXXXXX")"
+  {
+    printf '{'
+    printf '"generated_at_utc":%s,' "$(json_string "$now")"
+    printf '"status":%s,' "$(json_string "$status")"
+    printf '"message":%s,' "$(json_string "$message")"
+    printf '"source_host":%s,' "$(json_string "$SOURCE_HOST")"
+    printf '"source_path":%s,' "$(json_string "$SOURCE_PATH")"
+    printf '"dest_path":%s,' "$(json_string "$DEST_PATH")"
+    if [[ "$rows" =~ ^[0-9]+$ ]]; then
+      printf '"dlp_events":%s,' "$rows"
+    else
+      printf '"dlp_events":null,'
+    fi
+    if [[ "$bytes" =~ ^[0-9]+$ ]]; then
+      printf '"bytes":%s' "$bytes"
+    else
+      printf '"bytes":null'
+    fi
+    printf '}\n'
+  } >"$tmp"
+  mv "$tmp" "$STATE_FILE"
+}
+
+cleanup_remote() {
+  ssh $SSH_OPTS "$SOURCE_HOST" "rm -f '$REMOTE_TMP'" >/dev/null 2>&1 || true
+}
+
+main() {
+  local dest_dir rows bytes
+  dest_dir="$(dirname "$DEST_PATH")"
+  mkdir -p "$dest_dir" "$STATE_DIR"
+  LOCAL_TMP="$(mktemp "${DEST_PATH}.tmp.XXXXXX")"
+  trap 'rm -f "${LOCAL_TMP:-}"; cleanup_remote' EXIT
+
+  ssh $SSH_OPTS "$SOURCE_HOST" \
+    "set -euo pipefail; if command -v sqlite3 >/dev/null 2>&1; then sqlite3 '$SOURCE_PATH' \".backup '$REMOTE_TMP'\" || cp -f '$SOURCE_PATH' '$REMOTE_TMP'; else cp -f '$SOURCE_PATH' '$REMOTE_TMP'; fi; test -s '$REMOTE_TMP'"
+  scp $SSH_OPTS "$SOURCE_HOST:$REMOTE_TMP" "$LOCAL_TMP"
+  chmod 0644 "$LOCAL_TMP"
+  mv "$LOCAL_TMP" "$DEST_PATH"
+
+  bytes="$(stat -c %s "$DEST_PATH" 2>/dev/null || printf '')"
+  rows="$(sqlite3 "$DEST_PATH" 'select count(*) from dlp_events;' 2>/dev/null || printf '')"
+  write_state "ok" "synced" "$rows" "$bytes"
+  printf 'dlp warehouse synced: source=%s:%s dest=%s rows=%s bytes=%s\n' \
+    "$SOURCE_HOST" "$SOURCE_PATH" "$DEST_PATH" "${rows:-unknown}" "${bytes:-unknown}"
+}
+
+main "$@"