~/.unbrowse/config.json                # API key, agent ID, registration
~/.unbrowse/vault/credentials.enc      # Encrypted credential store
~/.unbrowse/vault/.key                 # Encryption key (mode 0o600)
~/.unbrowse/skill-cache/               # Local skill manifest cache
~/.unbrowse/profiles/<domain>/         # Per-domain Chrome profiles
~/.unbrowse/logs/unbrowse-YYYY-MM-DD.log  # Daily logs