diff --git a/packages/adapters/graph/source-github-issues/stryker.config.ts b/packages/adapters/graph/source-github-issues/stryker.config.ts
index 6429b27..f6edad1 100644
--- a/packages/adapters/graph/source-github-issues/stryker.config.ts
+++ b/packages/adapters/graph/source-github-issues/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 276,
+    timedOut: 0,
+    survived: 108,
+    noCoverage: 26,
+  }),
+});
diff --git a/packages/adapters/graph/sqlite-node/stryker.config.ts b/packages/adapters/graph/sqlite-node/stryker.config.ts
index 6429b27..51b0537 100644
--- a/packages/adapters/graph/sqlite-node/stryker.config.ts
+++ b/packages/adapters/graph/sqlite-node/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 52,
+    timedOut: 0,
+    survived: 10,
+    noCoverage: 1,
+  }),
+});
diff --git a/packages/adapters/graph/store-sqlite/stryker.config.ts b/packages/adapters/graph/store-sqlite/stryker.config.ts
index 6429b27..c978ec7 100644
--- a/packages/adapters/graph/store-sqlite/stryker.config.ts
+++ b/packages/adapters/graph/store-sqlite/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 284,
+    timedOut: 0,
+    survived: 77,
+    noCoverage: 16,
+  }),
+});
diff --git a/packages/core/graph/dag/stryker.config.ts b/packages/core/graph/dag/stryker.config.ts
index 6429b27..feabdb9 100644
--- a/packages/core/graph/dag/stryker.config.ts
+++ b/packages/core/graph/dag/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 218,
+    timedOut: 13,
+    survived: 11,
+    noCoverage: 6,
+  }),
+});
diff --git a/packages/core/graph/domain/stryker.config.ts b/packages/core/graph/domain/stryker.config.ts
index 6429b27..cdc3af4 100644
--- a/packages/core/graph/domain/stryker.config.ts
+++ b/packages/core/graph/domain/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 267,
+    timedOut: 1,
+    survived: 29,
+    noCoverage: 6,
+  }),
+});
diff --git a/packages/core/graph/export/stryker.config.ts b/packages/core/graph/export/stryker.config.ts
index 6429b27..1f13f84 100644
--- a/packages/core/graph/export/stryker.config.ts
+++ b/packages/core/graph/export/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 293,
+    timedOut: 0,
+    survived: 64,
+    noCoverage: 13,
+  }),
+});
diff --git a/packages/core/graph/layout/stryker.config.ts b/packages/core/graph/layout/stryker.config.ts
index 6429b27..46c638a 100644
--- a/packages/core/graph/layout/stryker.config.ts
+++ b/packages/core/graph/layout/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 43,
+    timedOut: 0,
+    survived: 21,
+    noCoverage: 10,
+  }),
+});
diff --git a/packages/core/graph/projection/stryker.config.ts b/packages/core/graph/projection/stryker.config.ts
index 6429b27..7fd84f7 100644
--- a/packages/core/graph/projection/stryker.config.ts
+++ b/packages/core/graph/projection/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 1002,
+    timedOut: 38,
+    survived: 311,
+    noCoverage: 224,
+  }),
+});
diff --git a/packages/core/graph/schema/stryker.config.ts b/packages/core/graph/schema/stryker.config.ts
index 6429b27..b084231 100644
--- a/packages/core/graph/schema/stryker.config.ts
+++ b/packages/core/graph/schema/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 153,
+    timedOut: 0,
+    survived: 26,
+    noCoverage: 2,
+  }),
+});
diff --git a/packages/core/graph/source-contract/stryker.config.ts b/packages/core/graph/source-contract/stryker.config.ts
index 6429b27..f55e106 100644
--- a/packages/core/graph/source-contract/stryker.config.ts
+++ b/packages/core/graph/source-contract/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 267,
+    timedOut: 1,
+    survived: 138,
+    noCoverage: 8,
+  }),
+});
diff --git a/packages/core/graph/store-contract/stryker.config.ts b/packages/core/graph/store-contract/stryker.config.ts
index 6429b27..e5da86f 100644
--- a/packages/core/graph/store-contract/stryker.config.ts
+++ b/packages/core/graph/store-contract/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 944,
+    timedOut: 7,
+    survived: 371,
+    noCoverage: 14,
+  }),
+});
diff --git a/packages/core/graph/sync/stryker.config.ts b/packages/core/graph/sync/stryker.config.ts
index 6429b27..e5576b0 100644
--- a/packages/core/graph/sync/stryker.config.ts
+++ b/packages/core/graph/sync/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 81,
+    timedOut: 0,
+    survived: 11,
+    noCoverage: 7,
+  }),
+});
diff --git a/packages/targets/graph-cli/stryker.config.ts b/packages/targets/graph-cli/stryker.config.ts
index 3f6a9f3..b364540 100644
--- a/packages/targets/graph-cli/stryker.config.ts
+++ b/packages/targets/graph-cli/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 492,
+    timedOut: 0,
+    survived: 187,
+    noCoverage: 63,
+  }),
+});
diff --git a/packages/targets/graph-web/stryker.config.ts b/packages/targets/graph-web/stryker.config.ts
index 9ee47bc..883172e 100644
--- a/packages/targets/graph-web/stryker.config.ts
+++ b/packages/targets/graph-web/stryker.config.ts
@@ -1,5 +1,14 @@
-import { packageStrykerConfig } from "../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../stryker.shared.ts";
 
 export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 783,
+    timedOut: 0,
+    survived: 313,
+    noCoverage: 115,
+  }),
   additionalMutate: ["src/**/*.tsx", "!src/**/*.test.tsx"],
 });
diff --git a/packages/targets/process-graph/stryker.config.ts b/packages/targets/process-graph/stryker.config.ts
index 3f6a9f3..a159c10 100644
--- a/packages/targets/process-graph/stryker.config.ts
+++ b/packages/targets/process-graph/stryker.config.ts
@@ -1,3 +1,13 @@
-import { packageStrykerConfig } from "../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../stryker.shared.ts";
 
-export default packageStrykerConfig();
+export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 28,
+    timedOut: 0,
+    survived: 1,
+    noCoverage: 58,
+  }),
+});
diff --git a/packages/ui/graph/react-flow/stryker.config.ts b/packages/ui/graph/react-flow/stryker.config.ts
index 75d17b7..5b54ad2 100644
--- a/packages/ui/graph/react-flow/stryker.config.ts
+++ b/packages/ui/graph/react-flow/stryker.config.ts
@@ -1,5 +1,14 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
 export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 97,
+    timedOut: 0,
+    survived: 60,
+    noCoverage: 5,
+  }),
   additionalMutate: ["src/**/*.tsx", "!src/**/*.test.tsx"],
 });
diff --git a/packages/ui/graph/react/stryker.config.ts b/packages/ui/graph/react/stryker.config.ts
index 75d17b7..24c16d3 100644
--- a/packages/ui/graph/react/stryker.config.ts
+++ b/packages/ui/graph/react/stryker.config.ts
@@ -1,5 +1,14 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
 export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 195,
+    timedOut: 0,
+    survived: 55,
+    noCoverage: 19,
+  }),
   additionalMutate: ["src/**/*.tsx", "!src/**/*.test.tsx"],
 });
diff --git a/packages/ui/graph/ui/stryker.config.ts b/packages/ui/graph/ui/stryker.config.ts
index 75d17b7..e71aa3d 100644
--- a/packages/ui/graph/ui/stryker.config.ts
+++ b/packages/ui/graph/ui/stryker.config.ts
@@ -1,5 +1,14 @@
-import { packageStrykerConfig } from "../../../../stryker.shared.ts";
+import {
+  breakThresholdFromBaseline,
+  packageStrykerConfig,
+} from "../../../../stryker.shared.ts";
 
 export default packageStrykerConfig({
+  breakThreshold: breakThresholdFromBaseline({
+    killed: 73,
+    timedOut: 0,
+    survived: 105,
+    noCoverage: 9,
+  }),
   additionalMutate: ["src/**/*.tsx", "!src/**/*.test.tsx"],
 });
diff --git a/stryker.shared.ts b/stryker.shared.ts
index a55d547..b63fe1f 100644
--- a/stryker.shared.ts
+++ b/stryker.shared.ts
@@ -8,7 +8,7 @@ import type { PartialStrykerOptions } from "@stryker-mutator/api/core";
  * Every other workspace package has its own `stryker.config.ts` and `_test:mutation` script.
  */
 export interface PackageStrykerOptions {
-  /** Every package's own `stryker.config.ts` passes this, as `breakThresholdFromBaseline` of a completed CI run's measured counts. Left unset (`undefined`) until a real CI run has measured a baseline: a mutation-score gate chosen before ever running the suite is exactly the arbitrary magic number this workspace's own conventions exist to avoid. */
+  /** Every package's own `stryker.config.ts` passes this, as `breakThresholdFromBaseline` of the counts a completed CI run on `main` measured for it. Re-measure and update the counts when a package's tests kill more mutants, so the gate rises with them; a value chosen without a measured run would be an arbitrary number. */
   readonly breakThreshold?: number;
   /** Extra glob patterns to mutate, appended to the package's own `src/**\/*.ts` default. */
   readonly additionalMutate?: readonly string[];