feat: initial HSAP platform

Huaxu Sentinel Active Safety Platform with embedded algorithm code,
Docker Compose setup, and vendored dataset scaffolds for clone-and-run.

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

scripts/run_local.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# 本机直跑（不用 Docker 跑 platform/worker）
+# 依赖: pip install -r requirements.txt
+# PostgreSQL 可选；不可用时自动回退 SQLite
+set -euo pipefail
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+export PYTHONPATH="${ROOT}/platform${PYTHONPATH:+:$PYTHONPATH}"
+
+if [[ -f "$ROOT/manifests/feishu.env" ]]; then
+  set -a
+  # shellcheck disable=SC1091
+  source "$ROOT/manifests/feishu.env"
+  set +a
+fi
+
+export AS_JOB_EXECUTOR="${AS_JOB_EXECUTOR:-thread}"
+
+cd "$ROOT"
+bash scripts/setup_links.sh 2>/dev/null || true
+
+if ! python - <<'PY' 2>/dev/null; then
+from as_platform.db.engine import check_connection
+raise SystemExit(0 if check_connection() else 1)
+PY
+  export AS_DATABASE_URL="${AS_DATABASE_URL:-sqlite:///${ROOT}/manifests/platform.db}"
+  echo "PostgreSQL 不可用，使用 SQLite: ${AS_DATABASE_URL}"
+fi
+
+python scripts/wait_for_db.py
+python scripts/db_migrate_from_sqlite.py 2>/dev/null || true
+
+echo ""
+echo "启动平台 API: http://127.0.0.1:${AS_PLATFORM_PORT:-8787}"
+echo "开发登录: AS_DEV_AUTH=true 时在登录页点「开发登录」"
+echo ""
+
+exec python -m as_platform.api.server --host "${AS_PLATFORM_HOST:-127.0.0.1}" --port "${AS_PLATFORM_PORT:-8787}" "$@"