/investigation-add Adds data to an open investigation log. Processes document batches using documented pull criteria, surfaces significant items, logs everything reviewed for coverage verification. Instructions 1. Load . 2. Load the reference skill and run Mode 2 (Add data). 3. After processing, show the surface ratio and list of surfaced items. 4. Prompt to update the sources checklist if the data covers a checklist item. Examples Detailed needle-finding process, log entry format, surface-ratio rules, and sources-checklist tracking live in the reference skill — load it before doing substanti…