fase(16): integrations module

src/modules/integrations/infrastructure/providers/SlackProvider.ts

@@ -0,0 +1,53 @@
+import { IIntegrationProvider, FindingPayload } from '../../domain/ports/IIntegrationProvider';
+
+const SEVERITY_COLORS: Record<string, string> = {
+  critical: '#dc2626',
+  high: '#ea580c',
+  medium: '#ca8a04',
+  low: '#2563eb',
+};
+
+export class SlackProvider implements IIntegrationProvider {
+  constructor(private readonly webhookUrl: string) {}
+
+  async sendFinding(finding: FindingPayload): Promise<void> {
+    const color = SEVERITY_COLORS[finding.severity] ?? '#6b7280';
+    const payload = {
+      blocks: [
+        {
+          type: 'header',
+          text: { type: 'plain_text', text: `ABE Finding: ${finding.title}`, emoji: true },
+        },
+        {
+          type: 'section',
+          fields: [
+            { type: 'mrkdwn', text: `*Severity:*\n${finding.severity.toUpperCase()}` },
+            { type: 'mrkdwn', text: `*Type:*\n${finding.type}` },
+          ],
+        },
+        {
+          type: 'section',
+          text: { type: 'mrkdwn', text: `*Description:*\n${finding.description}` },
+        },
+        {
+          type: 'context',
+          elements: [
+            { type: 'mrkdwn', text: `Session: ${finding.sessionId}` },
+          ],
+        },
+      ],
+      attachments: [{ color, fallback: `${finding.severity.toUpperCase()} finding: ${finding.description}` }],
+    };
+
+    const res = await fetch(this.webhookUrl, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(payload),
+      signal: AbortSignal.timeout(10_000),
+    });
+
+    if (!res.ok) {
+      throw new Error(`Slack webhook failed: ${res.status} ${await res.text()}`);
+    }
+  }
+}