[DO NOT MERGE] Add: End-to-End External AI Agent Observability Quickstart

[sfc-gh-jreini]

Summary

• New developer guide covering the full observability lifecycle for external AI agents
• Covers batch evaluation with ground truth, production tracing, and a Streamlit monitoring dashboard
• Uses TruLens, OpenAI Agent SDK, Cortex Analyst, Cortex Search, and Snowflake AI Observability
• Companion code repo: https://github.com/Snowflake-Labs/sfguide-end-to-end-external-ai-agent-observability

Note

Recreated as draft PR (original #3152 was merged and reverted prematurely).

Test plan

• Verify guide renders correctly in sfguides site
• Run companion repo end-to-end
• Confirm all screenshots and assets display properly

.... Generated with Cortex Code

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-20177ab28fb5ce8d028a99847b1435a37b89ca91

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-12cc483ab99d86b2bbe0310c1634682e952de3be

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-f9a27ad07bfcbd659d56453615c136fb1489bb9b

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-ccfd5bd73e5cc85ff6971ba46b1ee53c7ebca514

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-487fac92f282759d79f002c6592e08f21cb41740

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-0ef33ba1deec57c2c2eeb3e1eb3f00867b2fceef

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions

[github-actions]

🔗 Staging Preview Ready

Quickstart: end-to-end-external-ai-agent-observability
Language: en

👉 Preview URL: https://publish-p57963-e462098.adobeaemcloud.com/en/developers/guides/end-to-end-external-ai-agent-observability-33a8c8afa5a6c6b6a36af3e02874fd3f5aa93d2e

Note: Images are uploaded asynchronously. If images are missing, wait a few minutes and refresh.

---

Generated by GitHub Actions