feat: 新增360/搜狗/微信搜索提供商 + PG15→16升级 & 项目文档更新

- search_utils.py: 新增 _call_360/_call_sogou/_call_wechat HTML爬取函数
- initial_data.py: 种子数据新增三个搜索提供商（priority 3/4/5）
- models.py: provider_type 注释补充新类型
- admin.html: 搜索提供商类型下拉框新增三个选项
- AGENTS.md/PROGRESS.md/README.md: PostgreSQL 15→16
- README.md: 移除硬编码数据库密码

AGENTS.md

@@ -1,7 +1,7 @@
 # AGENTS.md
 
 ## Stack
-- **Backend**: FastAPI 0.104 + SQLAlchemy 2.0 + PostgreSQL 15 (`yzr_nr`)
+- **Backend**: FastAPI 0.104 + SQLAlchemy 2.0 + PostgreSQL 16 (`yzr_nr`)
 - **Frontend**: Vue 3 (CDN, no build step) + Element Plus — static HTML served by FastAPI
 - **Auth**: JWT (`python-jose` + bcrypt), default admin `admin/admin123`
 - **Scheduler**: APScheduler (daily cron: 01:00 searchcache, 01:10 trends, 01:30 collect, 02:00 generate, 03:00 optimize, 05:00 sources, 06:00 metrics)

PROGRESS.md

@@ -12,7 +12,7 @@
 | 项目 | 内容 |
 |------|------|
 | 品牌 | 宇之然 — 科技沟通万物，愿世间百态回归自然 |
-| 技术栈 | FastAPI + SQLAlchemy + PostgreSQL 15 + Vue 3 (CDN) + Element Plus |
+| 技术栈 | FastAPI + SQLAlchemy + PostgreSQL 16 + Vue 3 (CDN) + Element Plus |
 | 平台服务 | 运行中 (端口 8001) |
 | 策略阶段 | 全球-本土对比研究（2026-04-15 升级） |
 | Git 提交 | 99 commits · 4 tags (v1.0.0~v1.0.4) · main 分支 |
@@ -49,7 +49,7 @@
 | 后端 API (auth/topics/articles/publishing/calendar/metrics/assets/tasks/platform_config/admin) | ✅ 完成 | 核心 11 个 API 模块，JWT 认证 |
 | 扩展 API (cases/audit/llm_configs/system_configs/optimizer_logs/task_logs/task_configs) | ✅ 完成 | 新增案例库、审计、LLM配置、任务配置、任务运行记录模块 |
 | 前端页面 (仪表盘/选题/日历/数据/素材/任务/平台/系统管理/用户/日志/文章) | ✅ 完成 | Vue 3 + Element Plus SPA |
-| 数据库 (PostgreSQL 15) | ✅ 运行中 | `yzr_nr` 库 |
+| 数据库 (PostgreSQL 16) | ✅ 运行中 | `yzr_nr` 库 |
 | 服务 | ✅ 运行中 | 端口 8001 |
 | 数据库迁移 (SQLite→PostgreSQL) | ✅ 完成 | 2026-05-08 |
 | PWA 离线支持 | ✅ 完成 | manifest.json + Service Worker + 离线页面 |

README.md

@@ -16,7 +16,7 @@
 |------|------|
 | 后端 | FastAPI 0.104+ |
 | ORM | SQLAlchemy 2.0+ |
-| 数据库 | PostgreSQL 15 |
+| 数据库 | PostgreSQL 16 |
 | 前端 | Vue 3 (CDN) + Element Plus |
 | 认证 | JWT (python-jose) + bcrypt |
 
@@ -24,14 +24,7 @@
 
 ## 数据库配置
 
-```
+详见 `platform/backend/.env`
-USE_POSTGRES=true
-PG_HOST=127.0.0.1
-PG_PORT=5432
-PG_DATABASE=yzr_nr
-PG_USER=yzr_nr
-PG_PASSWORD=aTX3WKKnPfRnM5PC
-```
 
 ---
 

platform/backend/app/initial_data.py

@@ -76,6 +76,9 @@ def import_initial_data():
             providers = [
                 SearchProvider(name="百度千帆", provider_type="baidu", api_key="", api_url="https://qianfan.baidubce.com/v2/ai_search/web_search", console_url="https://console.bce.baidu.com/qianfan/ais/console/onlineService", priority=1, enabled=True, daily_limit=50),
                 SearchProvider(name="opencode云搜索", provider_type="mcp", api_key="", api_url="", console_url="https://opencode.ai", priority=2, enabled=True, daily_limit=99999),
+                SearchProvider(name="360搜索", provider_type="360", api_key="", api_url="", console_url="https://www.so.com", priority=3, enabled=True, daily_limit=200),
+                SearchProvider(name="搜狗搜索", provider_type="sogou", api_key="", api_url="", console_url="https://sogou.com", priority=4, enabled=True, daily_limit=200),
+                SearchProvider(name="微信搜一搜", provider_type="wechat", api_key="", api_url="", console_url="https://wx.sogou.com/weixin", priority=5, enabled=True, daily_limit=200),
             ]
             for p in providers:
                 db.add(p)

platform/backend/app/models.py

@@ -10,7 +10,7 @@ class SearchProvider(Base):
 
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
     name = Column(String, nullable=False, comment="显示名称")
-    provider_type = Column(String, nullable=False, comment="baidu / qiniu / tinyfish")
+    provider_type = Column(String, nullable=False, comment="baidu / qiniu / tinyfish / bing / mcp / 360 / sogou / wechat")
     api_key = Column(String, nullable=True, comment="API密钥")
     api_url = Column(String, nullable=True, comment="API地址")
     priority = Column(Integer, default=1, comment="优先级，越小越优先")

platform/frontend/admin.html

@@ -557,6 +557,9 @@
                                     <el-select v-model="searchProviderForm.provider_type" style="width:100%">
                                         <el-option label="百度千帆" value="baidu"></el-option>
                                         <el-option label="opencode云搜索" value="mcp"></el-option>
+                                        <el-option label="360搜索" value="360"></el-option>
+                                        <el-option label="搜狗搜索" value="sogou"></el-option>
+                                        <el-option label="微信搜一搜" value="wechat"></el-option>
                                     </el-select>
                                 </el-form-item></el-col>
                             </el-row>

scripts/search_utils.py

@@ -205,12 +205,116 @@ def _call_mcp(api_key: str, api_url: str, query: str, max_results: int) -> List[
     return []
 
 
+def _call_360(api_key: str, api_url: str, query: str, max_results: int) -> List[Dict]:
+    """360搜索（HTML爬取，无需 API Key）"""
+    from bs4 import BeautifulSoup
+    import requests
+    try:
+        resp = requests.get(
+            api_url or "https://www.so.com/s",
+            params={"q": query},
+            headers={"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"},
+            timeout=15,
+        )
+        if resp.status_code != 200:
+            logger.warning("360搜索返回 %s", resp.status_code)
+            return []
+        soup = BeautifulSoup(resp.text, "html.parser")
+        results = []
+        for item in soup.select("li.res-list, li[class*=result], .rb"):
+            title_el = item.select_one("h3.res-title a, h3[class*=title] a, .res-title a")
+            if not title_el:
+                continue
+            title = title_el.get_text(strip=True)[:120]
+            url = title_el.get("href", "")
+            snippet_el = item.select_one("p.res-desc, p[class*=desc], .res-desc")
+            snippet = snippet_el.get_text(strip=True)[:300] if snippet_el else ""
+            results.append({"title": title, "url": url, "content": snippet, "source": "360"})
+            if len(results) >= max_results:
+                break
+        return results
+    except Exception as e:
+        logger.warning("360搜索失败: %s", e)
+        return []
+
+
+def _call_sogou(api_key: str, api_url: str, query: str, max_results: int) -> List[Dict]:
+    """搜狗搜索（HTML爬取，无需 API Key）"""
+    from bs4 import BeautifulSoup
+    import requests
+    try:
+        resp = requests.get(
+            api_url or "https://sogou.com/web",
+            params={"query": query},
+            headers={"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"},
+            timeout=15,
+        )
+        if resp.status_code != 200:
+            logger.warning("搜狗搜索返回 %s", resp.status_code)
+            return []
+        soup = BeautifulSoup(resp.text, "html.parser")
+        results = []
+        for item in soup.select("div.vrwrap, div[class*=vr], .rb"):
+            title_el = item.select_one("h3.vr-title a, h3[class*=title] a, .vr-title a")
+            if not title_el:
+                continue
+            title = title_el.get_text(strip=True)[:120]
+            url = title_el.get("href", "")
+            snippet_el = item.select_one("p.str-text, div.str-text, p[class*=str]")
+            snippet = snippet_el.get_text(strip=True)[:300] if snippet_el else ""
+            results.append({"title": title, "url": url, "content": snippet, "source": "sogou"})
+            if len(results) >= max_results:
+                break
+        return results
+    except Exception as e:
+        logger.warning("搜狗搜索失败: %s", e)
+        return []
+
+
+def _call_wechat(api_key: str, api_url: str, query: str, max_results: int) -> List[Dict]:
+    """微信搜一搜（通过搜狗抓取，无需 API Key）"""
+    from bs4 import BeautifulSoup
+    import requests
+    try:
+        resp = requests.get(
+            api_url or "https://wx.sogou.com/weixin",
+            params={"type": 2, "query": query},
+            headers={"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"},
+            timeout=15,
+        )
+        if resp.status_code != 200:
+            logger.warning("微信搜索返回 %s", resp.status_code)
+            return []
+        soup = BeautifulSoup(resp.text, "html.parser")
+        results = []
+        for item in soup.select("div.news-box, li.news-list, div[class*=news]"):
+            title_el = item.select_one("h3 a, .txt-box h3 a")
+            if not title_el:
+                continue
+            title = title_el.get_text(strip=True)[:120]
+            url = title_el.get("href", "")
+            if url and not url.startswith("http"):
+                url = "https://wx.sogou.com" + url
+            snippet_el = item.select_one("p.txt-info, div.txt-info, .txt-info")
+            snippet = snippet_el.get_text(strip=True)[:300] if snippet_el else ""
+            results.append({"title": title, "url": url, "content": snippet, "source": "wechat"})
+            if len(results) >= max_results:
+                break
+        return results
+    except Exception as e:
+        logger.warning("微信搜索失败: %s", e)
+        return []
+
+
 _PROVIDER_CALLS = {
     "baidu": _call_baidu,
     "qiniu": _call_qiniu,
     "tinyfish": _call_tinyfish,
     "bing": _call_bing,
     "mcp": _call_mcp,
+    "360": _call_360,
+    "sogou": _call_sogou,
+    "wechat": _call_wechat,
 }
 
 
@@ -221,7 +325,8 @@ def search(query: str, max_results: int = 5) -> List[Dict]:
         if (p.get("usage_today") or 0) >= (p.get("daily_limit") or 99999):
             logger.info("提供商 %s 已达日限 %s，跳过", p.get("name"), p.get("daily_limit"))
             continue
-        if not p.get("api_key") and p.get("provider_type") != "mcp":
+        no_key_types = {"mcp", "360", "sogou", "wechat"}
+        if not p.get("api_key") and p.get("provider_type") not in no_key_types:
             logger.info("提供商 %s 未配置 API Key，跳过", p.get("name"))
             continue
         call_fn = _PROVIDER_CALLS.get(p.get("provider_type"))