AI-assisted ES|QL detection rule creation

**What the feature is (as Title)**
AI-assisted ES|QL detection rule creation

**Value proposition**
Elastic Security AI-Assisted Rule Creation empowers security teams to build detection rules faster and with greater confidence — no deep platform expertise required. By intelligently suggesting queries, auto-populating fields, and recommending optimal rule settings, it eliminates the manual guesswork that slows analysts down. New users get up and running immediately, while experienced users move faster than ever.

**Expected outcome**
Security analysts can create and refine ES|QL detection rules through natural language — no manual field editing required. By the end of the workflow, users have a fully formed rule attachment with accurate queries, severity levels, risk scores, MITRE ATT&CK mappings, and schedule settings, all updated interactively within the conversation. This reduces rule authoring time and lowers the barrier for analysts unfamiliar with Elastic's rule schema.