docs(discovery): publish provisional feature baseline

docs/discovery/domains/skill.md

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+# Skill
+
+Features in this document are generated from [`../feature-catalog.json`](../feature-catalog.json), the canonical inventory.
+
+## SKILL-001 — Dynamic Skill Management & Code Execution Engine
+
+- **Domain**: `skill`
+- **Status**: `verified`
+- **Evidence Maturity**: `E0`
+- **Commit Verified**: `d8a2059df8e53bc7275c45339849d14c8651e73c`
+- **Runtime Validation**: not-required — No separate environment-dependent runtime validation was identified during this documentation pass.
+
+### Purpose
+
+Allows users to create, import, edit, test, and execute custom Python/Markdown skills dynamically.
+
+### Evidence summary
+
+- `routes/skills_routes.py` — `setup_skills_routes` — Exposes CRUD and remote import routes for user skills.
+- `services/memory/skills.py` — `SkillsManager` — Handles skill storage, parsing, and execution.
+
+### Unknowns
+
+- Arbitrary code execution risks if skill import URL is untrusted.