2a6d72171d
FastMCP masks unexpected exceptions and logs the traceback server-side, so paths and provider URLs never cross the transport. Expected failures raise ToolError with a message: unknown document, unknown collection, invalid filter, invalid base64, and agent failures naming only the exception type. No tool returns an empty value or an error string on failure any more. A filter is validated on its own before the read that would use it, with a filtered count on one of the selected databases: that is the query engine rejecting the filter and nothing else, so its message (columns and the statement) can be forwarded, while a ValueError raised later in the read stays masked and no database outside the selection is opened. Refs #599 |
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