feat: init the repo

background.js

@@ -0,0 +1,219 @@
+importScripts("config.js");
+
+const CONFIG = self.YFB_EXTENSION_CONFIG || {};
+const CHAT_ENDPOINT = CONFIG.chatEndpoint || "https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions";
+const REQUEST_TIMEOUT_MS = Number(CONFIG.requestTimeoutMs) || 45000;
+
+chrome.runtime.onInstalled.addListener(() => {
+  console.log("乙方宝招标筛选助手已安装");
+});
+
+chrome.action.onClicked.addListener((tab) => {
+  if (!tab || !tab.id) {
+    return;
+  }
+
+  chrome.tabs.sendMessage(tab.id, { type: "YFB_TOGGLE_PANEL" }, () => {
+    void chrome.runtime.lastError;
+  });
+});
+
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  if (!message || message.type !== "YFB_ANALYZE_CANDIDATE") {
+    return false;
+  }
+
+  void analyzeCandidate(message.payload)
+    .then((data) => {
+      sendResponse({ ok: true, data });
+    })
+    .catch((error) => {
+      sendResponse({
+        ok: false,
+        error: error instanceof Error ? error.message : "AI 分析失败"
+      });
+    });
+
+  return true;
+});
+
+async function analyzeCandidate(payload) {
+  if (!CONFIG.apiKey) {
+    throw new Error("缺少 DASHSCOPE_API_KEY，请先执行 npm.cmd run build。");
+  }
+
+  const response = await fetchWithTimeout(CHAT_ENDPOINT, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${CONFIG.apiKey}`
+    },
+    body: JSON.stringify({
+      model: CONFIG.model || "qwen-plus",
+      temperature: 0.1,
+      max_tokens: 120,
+      messages: buildMessages(payload)
+    })
+  });
+
+  if (!response.ok) {
+    const errorText = await safeReadText(response);
+    throw new Error(`AI 接口返回 ${response.status}: ${errorText || "未知错误"}`);
+  }
+
+  const data = await response.json();
+  const rawContent = extractMessageContent(data);
+  const parsed = parseAiJson(rawContent);
+  return normalizeAiResult(parsed, payload);
+}
+
+async function fetchWithTimeout(url, options) {
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), REQUEST_TIMEOUT_MS);
+
+  try {
+    return await fetch(url, {
+      ...options,
+      signal: controller.signal
+    });
+  } catch (error) {
+    if (error && error.name === "AbortError") {
+      throw new Error("AI 请求超时");
+    }
+    throw error;
+  } finally {
+    clearTimeout(timeoutId);
+  }
+}
+
+function buildMessages(payload) {
+  const compactInput = buildCompactInput(payload);
+
+  return [
+    {
+      role: "system",
+      content:
+        '判断是否属于金融机构相关招标。仅当服务对象明确是银行/信托/保险/消费金融/金融租赁/汽车金融等金融机构，且业务属于"法律服务"、"催收/不良资产处置"、"调解服务"之一时命中。只返回 JSON：{"category":"法律服务|催收/不良资产处置|调解服务|不命中","confidence":0-100}。'
+    },
+    {
+      role: "user",
+      content: JSON.stringify(compactInput)
+    }
+  ];
+}
+
+function buildCompactInput(payload) {
+  const keywordHints = payload?.keywordHints || {};
+
+  return {
+    title: String(payload?.title || ""),
+    type: String(payload?.type || ""),
+    region: String(payload?.region || ""),
+    publishTime: String(payload?.publishTime || ""),
+    detailText: limitLength(String(payload?.detailText || ""), Number(CONFIG.maxAiChars) || 1800),
+    attachmentNames: Array.isArray(payload?.attachmentNames) ? payload.attachmentNames.slice(0, 6) : [],
+    keywordHints: {
+      institutions: Array.isArray(keywordHints.institutions) ? keywordHints.institutions.slice(0, 6) : [],
+      legal: Array.isArray(keywordHints.legal) ? keywordHints.legal.slice(0, 6) : [],
+      collection: Array.isArray(keywordHints.collection) ? keywordHints.collection.slice(0, 6) : [],
+      mediation: Array.isArray(keywordHints.mediation) ? keywordHints.mediation.slice(0, 6) : [],
+      all: Array.isArray(keywordHints.all) ? keywordHints.all.slice(0, 12) : []
+    }
+  };
+}
+
+function extractMessageContent(apiResponse) {
+  const content = apiResponse?.choices?.[0]?.message?.content;
+  if (typeof content === "string") {
+    return content;
+  }
+  if (Array.isArray(content)) {
+    return content
+      .map((part) => {
+        if (typeof part === "string") {
+          return part;
+        }
+        return part?.text || "";
+      })
+      .join("\n");
+  }
+  return "";
+}
+
+function parseAiJson(text) {
+  const trimmed = String(text || "").trim();
+  if (!trimmed) {
+    throw new Error("AI 返回为空");
+  }
+
+  try {
+    return JSON.parse(trimmed);
+  } catch (error) {
+    const startIndex = trimmed.indexOf("{");
+    const endIndex = trimmed.lastIndexOf("}");
+    if (startIndex === -1 || endIndex === -1 || endIndex <= startIndex) {
+      throw new Error("AI 返回不是有效 JSON");
+    }
+    return JSON.parse(trimmed.slice(startIndex, endIndex + 1));
+  }
+}
+
+function normalizeAiResult(result, payload) {
+  const category = normalizeCategory(result?.category);
+  const institutionType = Array.isArray(result?.institutionType)
+    ? result.institutionType.filter(Boolean).map((item) => String(item).trim())
+    : Array.isArray(payload?.keywordHints?.institutions)
+      ? payload.keywordHints.institutions.slice(0, 3)
+      : [];
+  const matchedKeywords = Array.isArray(result?.matchedKeywords)
+    ? result.matchedKeywords.filter(Boolean).map((item) => String(item).trim())
+    : Array.isArray(payload?.keywordHints?.all)
+      ? payload.keywordHints.all
+      : [];
+
+  return {
+    isRelevant: (typeof result?.isRelevant === "boolean" ? result.isRelevant : category !== "不命中") && category !== "不命中",
+    category,
+    institutionType,
+    confidence: normalizeConfidence(result?.confidence),
+    titleSummary: limitLength(result?.titleSummary || payload?.title || "", 60),
+    reason: limitLength(result?.reason || "", 120),
+    matchedKeywords: dedupe(matchedKeywords)
+  };
+}
+
+function normalizeCategory(category) {
+  const value = String(category || "").trim();
+  if (value === "法律服务" || value === "催收/不良资产处置" || value === "调解服务") {
+    return value;
+  }
+  return "不命中";
+}
+
+function normalizeConfidence(confidence) {
+  const numeric = Number(confidence);
+  if (!Number.isFinite(numeric)) {
+    return 0;
+  }
+  return Math.max(0, Math.min(100, Math.round(numeric)));
+}
+
+function limitLength(text, maxLength) {
+  const normalized = String(text || "").trim();
+  if (normalized.length <= maxLength) {
+    return normalized;
+  }
+  return normalized.slice(0, maxLength - 1) + "…";
+}
+
+function dedupe(list) {
+  return Array.from(new Set(list.filter(Boolean)));
+}
+
+async function safeReadText(response) {
+  try {
+    return await response.text();
+  } catch (error) {
+    return "";
+  }
+}

config.js

@@ -0,0 +1,10 @@
+globalThis.YFB_EXTENSION_CONFIG = Object.freeze({
+  "apiKey": "sk-f9966506e15d4a678f560c1a9b67fee2",
+  "model": "qwen3.5-flash",
+  "chatEndpoint": "https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions",
+  "requestTimeoutMs": 45000,
+  "maxBodyChars": 12000,
+  "maxAiChars": 1800,
+  "maxListPreviewChars": 400,
+  "maxLogEntries": 80
+});

manifest.json

@@ -0,0 +1,33 @@
+{
+  "manifest_version": 3,
+  "name": "乙方宝招标筛选助手",
+  "version": "0.1.0",
+  "description": "在乙方宝页面内自动翻页抓取、AI筛选、高亮并导出金融机构相关招标信息。",
+  "permissions": [
+    "storage"
+  ],
+  "host_permissions": [
+    "*://*.yfbzb.com/*",
+    "*://*.qianlima.com/*",
+    "https://dashscope.aliyuncs.com/*"
+  ],
+  "background": {
+    "service_worker": "background.js"
+  },
+  "action": {
+    "default_title": "乙方宝招标筛选助手"
+  },
+  "content_scripts": [
+    {
+      "matches": [
+        "*://*.yfbzb.com/*",
+        "*://*.qianlima.com/*"
+      ],
+      "js": [
+        "vendor/xlsx.full.min.js",
+        "content.js"
+      ],
+      "run_at": "document_idle"
+    }
+  ]
+}