synthetic-runtime-store expectations (synthetic)

The file is agents/main/agent/openclaw-agent.sqlite, using placeholder tables synthetic_table_rows/synthetic_table_events because documentation did not identify native table names.

Manually calculated expectations:

• Discover under default root <home>/.openclaw; instance root=agents/main, one instance per Agent.
• The documented path identifies the Agent, but undocumented tables prevent schema validation. Return unknown_format with reason “docs do not name any table/column; pending a real sample”. The readable database’s two user tables appear in the reason.
• No usage_events/source_aggregates: do not read guessed tables/fields or generate zero usage.
• Repeat scans preserve state/counts and produce no data.