feat: ASRX hybrid pipeline, identity history, worker fixes, checkpoint system

docs_v1.0/API_WORKSPACE/narratives/marcom_intro.md

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+<!-- narrative: marcom_intro -->
+<!-- description: Intro section for Marcom training manual -->
+<!-- depends: -->
+
+## About This Manual
+
+This training manual is designed for the Marcom team to understand and use the Momentry Core API.
+
+### Demo Credentials
+
+**API Key**: `muser_68600856036340bcafc01930eb4bd839_1774418104_97221b69`
+
+**SFTPGo** (for video upload):
+
+| Item | Value |
+|------|-------|
+| SFTP Host | `sftpgo.momentry.ddns.net` |
+| SFTP Port | `2022` |
+| Username | `demo` |
+| Password | `demopassword123` |
+| Web UI | `https://sftpgo.momentry.ddns.net` |
+
+### Quick Examples
+
+**List all videos:**
+```bash
+curl -s -H "X-API-Key: $KEY" "$API/api/v1/files/scan"
+```
+
+**Search:**
+```bash
+curl -s -X POST "$API/api/v1/search" \
+  -H "Content-Type: application/json" \
+  -H "X-API-Key: $KEY" \
+  -d '{"query": "example", "limit": 5}'
+```