chore: initial commit of ai site platform

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/linux/stop-host.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# 停止宿主机模式进程
+# shellcheck disable=SC1091
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+# shellcheck source=common.sh
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common.sh"
+
+c_info "停止宿主机模式服务..."
+
+stop_pidfile() {
+  local name="$1"
+  local f="$PID_DIR/$name.pid"
+  if [[ -f "$f" ]]; then
+    local pid
+    pid="$(cat "$f")"
+    if kill -0 "$pid" 2>/dev/null; then
+      kill "$pid" 2>/dev/null || true
+      sleep 0.3
+      kill -9 "$pid" 2>/dev/null || true
+    fi
+    rm -f "$f"
+  fi
+}
+
+for n in web gateway ai platform; do
+  stop_pidfile "$n"
+done
+
+for port in 5173 8180 8001 8888; do
+  if have_cmd fuser; then
+    fuser -k "${port}/tcp" >/dev/null 2>&1 || true
+  elif have_cmd lsof; then
+    pids="$(lsof -t -iTCP:"$port" -sTCP:LISTEN 2>/dev/null || true)"
+    [[ -n "$pids" ]] && kill $pids 2>/dev/null || true
+  fi
+done
+
+if [[ "${1:-}" == "--with-db" ]]; then
+  pg_ctl_bin="$(command -v pg_ctl 2>/dev/null || true)"
+  if [[ -z "$pg_ctl_bin" ]]; then
+    for d in /usr/lib/postgresql/*/bin /usr/pgsql-*/bin; do
+      [[ -x "$d/pg_ctl" ]] && pg_ctl_bin="$d/pg_ctl" && break
+    done
+  fi
+  if [[ -n "$pg_ctl_bin" && -f "$PGDATA/PG_VERSION" ]]; then
+    "$pg_ctl_bin" -D "$PGDATA" stop -m fast || true
+  fi
+fi
+
+c_ok "已停止。数据仍在: $RUNTIME"