feat(scripts): generate_questions.sh 题目生成实验入口

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/generate_questions.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# 赛题生成实验
+# 职责：基于 300 棵视频树 + VLM 生成训练题目，写入 store/questions/generated/。
+# 用法:
+#   bash scripts/generate_questions.sh                          # 默认参数
+#   PER_TYPE=5 bash scripts/generate_questions.sh               # 每题型 5 道（smoke test）
+#   CONCURRENCY=4 bash scripts/generate_questions.sh            # 低并发（省 API）
+#   SEED=42 bash scripts/generate_questions.sh                  # 指定随机种子
+set -euo pipefail
+
+cd "$(dirname "$0")/.."
+
+CUDA_VISIBLE_DEVICES="${CUDA_VISIBLE_DEVICES:-0}"
+export CUDA_VISIBLE_DEVICES
+
+# Embedding 模型已缓存本地，跳过 HuggingFace Hub 在线检查
+export HF_HUB_OFFLINE=1
+export TRANSFORMERS_OFFLINE=1
+
+# 加载环境变量（API key 等）
+set -a
+source .env
+set +a
+
+PYTHON="$(conda run -n Video-Tree-TRM which python)"
+
+"${PYTHON}" tools/generate_questions.py generate \
+    --store-dir store \
+    --output-dir store/questions/generated \
+    --per-type "${PER_TYPE:-20}" \
+    --similarity-threshold "${SIM_THRESHOLD:-0.85}" \
+    --max-retries "${MAX_RETRIES:-3}" \
+    --concurrency "${CONCURRENCY:-8}" \
+    --seed "${SEED:-2026}"