feat(report): support historical rebuild dates

scripts/rebuild_historical_report.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+if [[ $# -lt 1 ]]; then
+  echo "用法: scripts/rebuild_historical_report.sh YYYY-MM-DD" >&2
+  exit 1
+fi
+
+REPORT_DATE="$1"
+shift || true
+
+if [[ -f ".env.local" ]]; then
+  # shellcheck disable=SC1091
+  source ".env.local"
+fi
+if [[ -f ".env" ]]; then
+  # shellcheck disable=SC1091
+  source ".env"
+fi
+
+REPORT_DATE="$REPORT_DATE" go run -tags llm_script ./scripts/generate_daily_report.go "$@"