feat(phase1): OpenRouter采集器接入PostgreSQL，数据链路闭环

- 将 fetch_openrouter.go 的 summarize() 实现为 PostgreSQL upsert
- 新增 -db 参数和 DATABASE_URL 环境变量支持
- 打通 models + model_prices 表的最小可运行链路
- 创建 llm_intelligence 数据库并运行 migration
- 前端 Explorer 验证 T-3.2~T-3.5 全部通过
- 日报生成器正常产出 Markdown 和 latest_models.json

scripts/verify_t35.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+# verify_t35.sh — 验收 T-3.5：日报生成器同步产出 latest_models.json + Explorer fallback
+set -e
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
+REPORT="$PROJECT_ROOT/scripts/generate_daily_report.go"
+EXPLORER="$PROJECT_ROOT/frontend/src/pages/Explorer.tsx"
+LATEST="$PROJECT_ROOT/frontend/src/data/latest_models.json"
+
+echo "=== T-3.5 验收检查 ==="
+
+# T-3.5.1: generate_daily_report.go 含 latest_models.json 写入，且路径从 outDir 推导而非硬编码相对 cwd
+if grep -q 'latest_models.json' "$REPORT" && \
+   grep -q 'outDir.*frontend.*latest_models.json\|filepath.Join.*outDir.*latest' "$REPORT"; then
+    echo "report-json-write  PASS — latest_models.json 写入且路径从 outDir 推导"
+else
+    echo "report-json-write  FAIL"
+    exit 1
+fi
+
+# T-3.5.2: Explorer.tsx 含 latest_models.json 优先加载和 models.json fallback
+if grep -q 'latest_models.json' "$EXPLORER" && \
+   grep -q 'models.json' "$EXPLORER"; then
+    echo "explorer-fallback  PASS — latest 优先 + models fallback 同时存在"
+else
+    echo "explorer-fallback  FAIL"
+    exit 1
+fi
+
+# T-3.5.1 补丁验证: latest_models.json 免费模型 pricing 字段完整性
+if [ ! -f "$LATEST" ]; then
+    echo "pricing-normalized  FAIL — latest_models.json 不存在"
+    exit 1
+fi
+
+if python3 - "$LATEST" <<'PY'
+import json
+import sys
+
+path = sys.argv[1]
+with open(path, "r", encoding="utf-8") as f:
+    data = json.load(f)
+
+free_models = [
+    model for model in data.get("models", [])
+    if isinstance(model.get("id"), str) and model["id"].endswith(":free")
+]
+if not free_models:
+    raise SystemExit(1)
+
+for model in free_models:
+    pricing = model.get("pricing")
+    if not isinstance(pricing, dict):
+        raise SystemExit(1)
+    if "input" not in pricing or "output" not in pricing:
+        raise SystemExit(1)
+    if pricing["input"] != 0 or pricing["output"] != 0:
+        raise SystemExit(1)
+PY
+then
+    echo "pricing-normalized  PASS — 免费模型 pricing.input/output 均显式为 0"
+else
+    echo "pricing-normalized  FAIL — 免费模型 pricing 字段缺失或未显式归一为 0"
+    exit 1
+fi
+
+echo ""
+echo "all PASS"
+exit 0