refactor: describegpt more tweaks

- change stats to not do --everything so we can describegpt any size CSV
- add prompt-file-version to the Generated By signature

Author: jqnatividad

src/cmd/describegpt.rs

@@ -106,7 +106,7 @@ describegpt options:
                            for grouping datasets and filtering.
     -A, --all              Shortcut for --dictionary --description --tags.
     --stats-options <arg>  Options for the stats command used to generate summary statistics.
-                           [default: --infer-dates --everything --stats-jsonl]
+                           [default: --infer-dates --cardinality --force --stats-jsonl]
     --enum-threshold <n>   The threshold for compiling enumerations with the frequency command
                            before bucketing other unique values into the "Other" category.
                            [default: 10]
@@ -1019,12 +1019,15 @@ fn get_completion(
         total:      usage["total_tokens"].as_u64().unwrap_or(0),
     };
 
-    // Replace "{GENERATED_BY_SIGNATURE}" with model name & datetime the query was generated
+    // Replace "{GENERATED_BY_SIGNATURE}"
+    // with prompt file version, model name & datetime the completion was generated
     let completion = completion.replace(
         "{GENERATED_BY_SIGNATURE}",
         &format!(
-            "Generated by qsv's describegpt command using {model} on {}",
-            chrono::Utc::now().to_rfc3339()
+            "Generated by qsv's describegpt command with prompt file v{ver} using {model} on {ts}",
+            ver = prompt_file.version,
+            model = model,
+            ts = chrono::Utc::now().to_rfc3339(),
         ),
     );