feat: sample sensitive columns progressively

frontend/src/shell/DatabaseManagementPage.test.tsx

@@ -167,7 +167,7 @@ function makeSensitivityAnalysisRun(
     databaseId: "11111111-1111-4111-8111-111111111111",
     engine: "local",
     modelId: null,
-    policyVersion: "sensitivity-v1",
+    policyVersion: "sensitivity-v2",
     scope: "selected_columns",
     status: "completed",
     total: 2,
@@ -2081,6 +2081,7 @@ test("requests database-level sensitivity analysis for the only selected databas
           assessment: "sensitive",
           evidence: [{ kind: "content", ruleId: "pii.email" }],
           observedValues: 1,
+          coverage: "sampled",
         }],
       });
     }),
@@ -2162,6 +2163,7 @@ test("requests sensitivity analysis only for selected tables", async () => {
           assessment: "sensitive",
           evidence: [{ kind: "metadata", ruleId: "metadata.health" }],
           observedValues: 0,
+          coverage: "metadata",
         }],
       });
     }),
@@ -2236,6 +2238,7 @@ test("allows a human downgrade and saves only explicit sensitivity changes", asy
               assessment: "sensitive",
               evidence: [{ kind: "content", ruleId: "pii.email" }],
               observedValues: 1,
+              coverage: "sampled",
             },
             {
               columnId: nameColumn.id,
@@ -2246,8 +2249,9 @@ test("allows a human downgrade and saves only explicit sensitivity changes", asy
               currentSensitive: true,
               sensitive: false,
               assessment: "non_sensitive",
-              evidence: [],
+              evidence: [{ kind: "coverage", ruleId: "coverage.complete" }],
               observedValues: 2,
+              coverage: "complete",
             },
           ],
         });