<!-- swain-model-hint: haiku, effort: low -- Session Manages session identity, preferences, and context continuity across agent sessions. This skill is agent-agnostic — it relies on AGENTS.md for auto-invocation. Auto-run behavior This skill is invoked automatically at session start (see AGENTS.md). When auto-invoked: 1. Restore tab name — run the tab-naming script 2. Load preferences — read session.json and apply any stored preferences 3. Show context bookmark — if a previous session left a context note, display it When invoked manually, the user can change preferences or bookmark context. S…