fix: update runKnip (#30)

* fix: update `runKnip`

* add tests

* update knip

* add changeset

Author: gameroman

.changeset/large-actors-remain.md

@@ -0,0 +1,6 @@
+---
+"@bomb.sh/tools": patch
+---
+
+- Fixes `runKnip` to correctly handle reported violations
+- Updates `knip` dependency to `6.9.0`

knip.jsonc

@@ -0,0 +1,10 @@
+{
+  "$schema": "./node_modules/knip/schema-jsonc.json",
+  "entry": [
+    "src/index.ts",
+    "src/test-utils/*.ts"
+  ],
+  "ignoreDependencies": [
+    "@tanstack/intent"
+  ]
+}

package.json

@@ -64,7 +64,7 @@
     "@humanfs/node": "^0.16.7",
     "@humanfs/types": "^0.15.0",
     "@typescript/native-preview": "7.0.0-dev.20260427.1",
-    "knip": "^6.7.0",
+    "knip": "^6.9.0",
     "oxfmt": "^0.47.0",
     "oxlint": "^1.62.0",
     "publint": "^0.3.18",