Initial commit: Memind H5 portal with MindSpace, Plaza, and agent jobs.

Track application source and tests; exclude local env, user workspaces, and runtime data via .gitignore. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-15 15:04:43 -07:00
commit 2e14873f2d
272 changed files with 64133 additions and 0 deletions
@@ -0,0 +1,160 @@
+import { Agent, fetch as undiciFetch } from 'undici';
+import { jsonrepair } from 'jsonrepair';
+import {
+  decryptSecret,
+  normalizeApiUrl,
+  resolveChatCompletionsUrl,
+} from './llm-providers.mjs';
+import { normalizeCoverMetaSuggestion, parseMindspaceCoverMeta } from './mindspace-cover-meta.mjs';
+
+const insecureDispatcher = new Agent({
+  connect: { rejectUnauthorized: false },
+});
+
+function resolveEncryptionKey(explicitKey) {
+  const raw =
+    explicitKey ??
+    process.env.H5_SETTINGS_ENCRYPTION_KEY ??
+    process.env.TKMIND_SERVER__SECRET_KEY ??
+    'local-dev-secret';
+  return raw;
+}
+
+function parseJsonObject(text) {
+  const source = String(text ?? '').trim();
+  if (!source) return null;
+  try {
+    return JSON.parse(source);
+  } catch {
+    try {
+      return JSON.parse(jsonrepair(source));
+    } catch {
+      return null;
+    }
+  }
+}
+
+function extractJsonObject(text) {
+  const direct = parseJsonObject(text);
+  if (direct && typeof direct === 'object') return direct;
+  const source = String(text ?? '').trim();
+  const start = source.indexOf('{');
+  const end = source.lastIndexOf('}');
+  if (start < 0 || end <= start) {
+    throw Object.assign(new Error('AI 未返回有效 JSON'), { code: 'cover_ai_invalid_output' });
+  }
+  const raw = source.slice(start, end + 1);
+  try {
+    return JSON.parse(jsonrepair(raw));
+  } catch (error) {
+    throw Object.assign(new Error('AI 封面 JSON 解析失败'), {
+      code: 'cover_ai_invalid_output',
+      cause: error instanceof Error ? error.message : String(error),
+    });
+  }
+}
+
+function buildCoverPrompt({ title, summary, html, instruction, currentCover }) {
+  const excerpt = String(html ?? '')
+    .replace(/<script[\s\S]*?<\/script>/gi, ' ')
+    .replace(/<style[\s\S]*?<\/style>/gi, ' ')
+    .replace(/<[^>]+>/g, ' ')
+    .replace(/\s+/g, ' ')
+    .trim()
+    .slice(0, 1200);
+
+  return [
+    '你是 MindSpace 信息流封面设计助手。请根据页面内容生成 mindspace-cover 元数据。',
+    '只返回一个 JSON 对象，不要 Markdown，不要解释。',
+    '字段要求：',
+    '- tag: 2-4 个汉字分类，如 旅行/美食/活动/报告',
+    '- emoji: 1 个与主题高度相关的 emoji',
+    '- accent: 主色 hex，如 #eeb04e',
+    '- accent2: 辅色 hex',
+    '- subtitle: 12-28 字副标题，用于封面底部',
+    '- cover: 可选，若页面已有 hero 图路径可保留，否则留空字符串',
+    '',
+    `页面标题：${title || '未命名页面'}`,
+    `页面摘要：${summary || '无'}`,
+    `当前 cover 元数据：${JSON.stringify(currentCover ?? {})}`,
+    `页面正文摘录：${excerpt || '无'}`,
+    instruction ? `用户补充要求：${instruction}` : '',
+  ]
+    .filter(Boolean)
+    .join('\n');
+}
+
+export async function suggestCoverMetaWithAi(
+  pool,
+  { title, summary, html, instruction, encryptionKey },
+) {
+  const [rows] = await pool.query(
+    `SELECT * FROM h5_llm_provider_keys WHERE is_selected = 1 AND status = 'active' LIMIT 1`,
+  );
+  const row = rows[0];
+  if (!row) {
+    throw Object.assign(new Error('请先在管理后台配置并启用 LLM'), { code: 'llm_not_configured' });
+  }
+
+  const apiKey = decryptSecret(
+    {
+      ciphertext: row.api_key_ciphertext,
+      iv: row.api_key_iv,
+      tag: row.api_key_tag,
+    },
+    resolveEncryptionKey(encryptionKey),
+  );
+  const apiUrl = normalizeApiUrl(row.api_url);
+  const url = resolveChatCompletionsUrl(apiUrl);
+  if (!url) {
+    throw Object.assign(new Error('LLM API 地址无效'), { code: 'llm_not_configured' });
+  }
+
+  const prompt = buildCoverPrompt({
+    title,
+    summary,
+    html,
+    instruction,
+    currentCover: parseMindspaceCoverMeta(html),
+  });
+
+  const upstream = await undiciFetch(url, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Bearer ${apiKey}`,
+    },
+    body: JSON.stringify({
+      model: row.default_model,
+      messages: [{ role: 'user', content: prompt }],
+      stream: false,
+      ...(row.relay_provider ? { provider: row.relay_provider } : {}),
+    }),
+    dispatcher: url.startsWith('https://') ? insecureDispatcher : undefined,
+  });
+
+  const text = await upstream.text().catch(() => '');
+  if (!upstream.ok) {
+    throw Object.assign(new Error(`AI 封面生成失败：${text.slice(0, 240) || upstream.status}`), {
+      code: 'cover_ai_failed',
+    });
+  }
+
+  let data;
+  try {
+    data = JSON.parse(text);
+  } catch {
+    throw Object.assign(new Error('AI 响应不是 JSON'), { code: 'cover_ai_failed' });
+  }
+
+  const reply =
+    data?.choices?.[0]?.message?.content ??
+    data?.message?.content ??
+    data?.output ??
+    text;
+  const parsed = normalizeCoverMetaSuggestion(extractJsonObject(reply));
+  if (!parsed.tag && !parsed.emoji && !parsed.accent) {
+    throw Object.assign(new Error('AI 未生成有效封面参数'), { code: 'cover_ai_invalid_output' });
+  }
+  return parsed;
+}