Session History

Transforms OpenClaw's single-slot session model into a multi-session history system with SQLite indexing, archive/restore, and full dashboard UI.

Architecture

~/.openclaw/agents/{agentId}/sessions/
├── sessions.json           # routing table (unchanged)
├── history.db              # SQLite index (auto-created)
├── {activeSessionId}.jsonl # active transcript
└── archive/
    └── {sessionId}.jsonl   # archived transcripts