feat: send message to slack channel

package.json

@@ -9,6 +9,7 @@
     "typescript": "^5.0.0"
   },
   "dependencies": {
+    "@slack/web-api": "^7.9.3",
     "deep-diff": "^1.0.2",
     "jsdom": "^26.1.0"
   },
@@ -24,6 +25,9 @@
     "diff": "bun run src/detect_section_selector_masters/diffWithDeepDiff.ts",
     "diff:ai": "USE_AI_SELECTORS=true bun run diff",
     "task": "bun run extract && bun run diff",
-    "task:ai": "bun run extract:ai && bun run diff:ai"
+    "task:ai": "bun run extract:ai && bun run diff:ai",
+    "send-diff": "bun run src/detect_section_selector_masters/sendDiffToSlack.ts",
+    "task:slack": "bun run task && bun run send-diff",
+    "task:slack:ai": "bun run task:ai && bun run send-diff"
   }
 }
\ No newline at end of file

src/clients/slack.ts

+import { WebClient } from '@slack/web-api';
+import { createReadStream } from 'fs';
+import { basename } from 'path';
+
 export async function sendSlackMessage(webhookUrl: string, params: {
   issue: string,
   displayName: string,
@@ -22,6 +26,32 @@ export async function sendSlackMessage(webhookUrl: string, params: {
   }
 }
 
+/**
+ * Upload a file to Slack.
+ * @param token Bot token (e.g., xoxb-...)
+ * @param channel Slack channel ID or name (e.g., #general)
+ * @param filePath Local path to the file to upload
+ * @param initialComment Optional comment to post with the file
+ */
+export async function sendSlackFile(
+  token: string,
+  channel: string,
+  filePath: string,
+  initialComment?: string
+) {
+  const web = new WebClient(token);
+  const response = await web.files.uploadV2({
+    channels: channel,
+    file: createReadStream(filePath),
+    filename: basename(filePath),
+    initial_comment: initialComment,
+  });
+
+  if (!response.ok) {
+    throw new Error(`Slack 文件上传失败: ${response.error}`);
+  }
+}
+
 // 示例用法
 // sendSlackMessage('https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX', {
 //   issue: 'Theme color missing',

src/detect_section_selector_masters/sendDiffToSlack.ts

+import { sendSlackFile } from '../clients/slack';
+import { readdirSync } from 'fs';
+import { join } from 'path';
+
+async function uploadAll() {
+  const token = process.env.SLACK_TOKEN!;
+  const channel = process.env.SLACK_CHANNEL!;
+  const dir = join(__dirname, 'diffWithBaseline');
+  const files = readdirSync(dir).filter(f => f.endsWith('.json'));
+
+  for (const file of files) {
+    const filePath = join(dir, file);
+    console.log(`上传 ${file} 到 Slack…`);
+    await sendSlackFile(token, channel, filePath, `Diff 文件：${file}`);
+  }
+}
+
+uploadAll().catch(err => {
+  console.error(err);
+  process.exit(1);
+});