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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015Xuz1e82Nh228AYM6w6HzJ","type":"tool_result","content":[{"type":"text","text":"List of tables in database"},{"type":"text","text":"[\n  \"aud_c2be\",\n  \"aut_b1bc\",\n  \"boo_d53c\",\n  \"cus_2d40\",\n  \"inv_2c68\",\n  \"lin_0e50\",\n  \"ord_bd5e\",\n  \"rec_c931\",\n  \"shi_093d\",\n  \"tbl_0177\",\n  \"tbl_345a\",\n  \"tbl_3483\",\n  \"tbl_579c\",\n  \"tbl_891b\",\n  \"tbl_a9d4\"\n]"}]}]},"parent_tool_use_id":null,"session_id":"d9f4a002-eced-4521-9c8a-128b2f911011","uuid":"073df20b-33c8-44d6-a0e6-de921e63d668","timestamp":"2026-10-10T19:02:29.748Z","tool_use_result":[{"type":"text","text":"List of tables in database"},{"type":"text","text":"[\n  \"aud_c2be\",\n  \"aut_b1bc\",\n  \"boo_d53c\",\n  \"cus_2d40\",\n  \"inv_2c68\",\n  \"lin_0e50\",\n  \"ord_bd5e\",\n  \"rec_c931\",\n  \"shi_093d\",\n  \"tbl_0177\",\n  \"tbl_345a\",\n  \"tbl_3483\",\n  \"tbl_579c\",\n  \"tbl_891b\",\n  \"tbl_a9d4\"\n]"}],"tool_result_meta":[{"id":"toolu_015Xuz1e82Nh228AYM6w6HzJ","permission_decision":{"decision":"accept","source":"config","reason_type":"mode"}}]}
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{"type":"assistant","message":{"model":"claude-sonnet-5-5","id":"msg_011Cfu5HZx8BFrPXUMpqeq7g","type":"message","role":"assistant","content":[{"type":"text","text":"Check for NULL and empty strings."}],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":565,"cache_read_input_tokens":14714,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":565},"output_tokens":46,"service_tier":"standard","inference_geo":"global"},"input_transformations":[],"diagnostics":null,"context_management":null},"parent_tool_use_id":null,"session_id":"d9f4a002-eced-4521-9c8a-128b2f911011","uuid":"51240d0d-8294-4277-9623-aa5b678eaff3","timestamp":"2026-10-10T19:02:32.121Z","request_id":"req_011Cfu5HZkU7kkHLZYnk1mi5"}
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{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01KcNMDjzqPKg8jqxuZ1PHCM","type":"tool_result","content":[{"type":"text","text":"Query executed successfully. Retrieved 1 rows.\n\nResults:\n[\n  {\n    \"nulls\": \"6\",\n    \"blanks\": \"0\",\n    \"total\": \"59\"\n  }\n]"}]}]},"parent_tool_use_id":null,"session_id":"d9f4a002-eced-4521-9c8a-128b2f911011","uuid":"dd33fa0b-676e-4177-b8d1-f2e8069d8702","timestamp":"2026-10-10T19:02:32.599Z","tool_use_result":[{"type":"text","text":"Query executed successfully. Retrieved 1 rows.\n\nResults:\n[\n  {\n    \"nulls\": \"6\",\n    \"blanks\": \"0\",\n    \"total\": \"59\"\n  }\n]"}],"tool_result_meta":[{"id":"toolu_01KcNMDjzqPKg8jqxuZ1PHCM","permission_decision":{"decision":"accept","source":"config","reason_type":"mode"}}]}
{"type":"assistant","message":{"model":"claude-sonnet-5-5","id":"msg_011Cfu5HgoPR37hdSPbqhmWD","type":"message","role":"assistant","content":[{"type":"text","text":"6 of the 59 customers have no email address. All 6 have a NULL email. None have a blank or whitespace-only value. I counted these in the `cus_2d40` table, which is the customers table.\n\nANSWER: 6"}],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":254,"cache_read_input_tokens":15279,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":254},"output_tokens":73,"service_tier":"standard","inference_geo":"global"},"input_transformations":[],"diagnostics":null,"context_management":null},"parent_tool_use_id":null,"session_id":"d9f4a002-eced-4521-9c8a-128b2f911011","uuid":"9a88679e-5f45-4266-bc4c-355271d09dd1","timestamp":"2026-10-10T19:02:33.996Z","request_id":"req_011Cfu5HgZkRzPD9m5H1hcit"}
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