diff --git a/.changeset/typescript-eslint-8-71-2.md b/.changeset/typescript-eslint-8-71-2.md
new file mode 100644
index 00000000..7cf3edfb
--- /dev/null
+++ b/.changeset/typescript-eslint-8-71-2.md
@@ -0,0 +1,6 @@
+---
+'@codeforbreakfast/eventsourcing-aggregates': patch
+'@codeforbreakfast/eventsourcing-store': patch
+---
+
+Internal tidy-up for typescript-eslint 8.71.2, which now reports a schema constant that is only ever used for its type. The shared event store test suite and the command processing example declare their event types directly instead. Nothing you import changes.
diff --git a/bun.lock b/bun.lock
index 96c77060..40c02aa4 100644
--- a/bun.lock
+++ b/bun.lock
@@ -19,11 +19,11 @@
         "@effect/workflow": "0.19.1",
         "@eslint-community/eslint-plugin-eslint-comments": "4.8.1",
         "@types/bun": "1.4.3",
-        "@typescript-eslint/eslint-plugin": "8.71.0",
-        "@typescript-eslint/parser": "8.71.0",
+        "@typescript-eslint/eslint-plugin": "8.71.2",
+        "@typescript-eslint/parser": "8.71.2",
         "dependency-cruiser": "17.4.3",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "eslint-config-prettier": "10.1.8",
         "eslint-plugin-functional": "10.0.1",
         "eslint-plugin-import": "2.32.0",
@@ -69,9 +69,9 @@
       "name": "@codeforbreakfast/eslint-effect",
       "version": "0.8.5",
       "devDependencies": {
-        "@typescript-eslint/eslint-plugin": "8.71.0",
+        "@typescript-eslint/eslint-plugin": "8.71.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -91,7 +91,7 @@
         "@codeforbreakfast/eventsourcing-store-inmemory": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -109,7 +109,7 @@
         "@codeforbreakfast/bun-test-effect": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -126,7 +126,7 @@
       "devDependencies": {
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -147,7 +147,7 @@
         "@codeforbreakfast/eventsourcing-transport-inmemory": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -166,7 +166,7 @@
         "@codeforbreakfast/eventsourcing-testing-contracts": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -183,7 +183,7 @@
         "@codeforbreakfast/bun-test-effect": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -203,7 +203,7 @@
         "@effect/platform-bun": "0.91.3",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -222,7 +222,7 @@
         "@codeforbreakfast/eventsourcing-testing-contracts": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -246,7 +246,7 @@
         "@effect/platform-bun": "0.91.3",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -265,7 +265,7 @@
         "@codeforbreakfast/bun-test-effect": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -281,7 +281,7 @@
       "devDependencies": {
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -300,7 +300,7 @@
         "@codeforbreakfast/eventsourcing-testing-contracts": "workspace:*",
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -321,7 +321,7 @@
         "@types/node": "24.19.2",
         "bun-types": "1.4.3",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -339,7 +339,7 @@
       "devDependencies": {
         "@types/node": "24.19.2",
         "effect": "3.22.3",
-        "eslint": "10.11.0",
+        "eslint": "10.12.0",
         "typescript": "5.9.3",
       },
       "peerDependencies": {
@@ -656,25 +656,25 @@
 
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+    "@typescript-eslint/project-service": ["@typescript-eslint/project-service@8.71.2", "", { "dependencies": { "@typescript-eslint/tsconfig-utils": "^8.71.2", "@typescript-eslint/types": "^8.71.2", "debug": "^4.4.3" }, "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-Pd68GsLVh5ZXlcEccFPdhSOvtHZ/2WU0XsA8zmXOS3F158lVlcTLhfQ6qvtL1RzbMie0Kp8xtbVwAg4nejKPHw=="],
 
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+    "@typescript-eslint/scope-manager": ["@typescript-eslint/scope-manager@8.71.2", "", { "dependencies": { "@typescript-eslint/types": "8.71.2", "@typescript-eslint/visitor-keys": "8.71.2" } }, "sha512-YF4wgg5iUX5Obywoac27B56FhozMNFhdJSbh11H5GBAwmBtfyRhmgTQqW9tRNNmHDvsZ2CX6UGzoz+YfYn2Leg=="],
 
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@@ -824,7 +824,7 @@
 
     "escape-string-regexp": ["escape-string-regexp@4.0.0", "", {}, "sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA=="],
 
-    "eslint": ["eslint@10.11.0", "", { "dependencies": { "@eslint-community/eslint-utils": "^4.8.0", "@eslint-community/regexpp": "^4.12.2", "@eslint/config-array": "^0.23.5", "@eslint/config-helpers": "^0.7.0", "@eslint/core": "^1.2.1", "@eslint/plugin-kit": "^0.7.3", "@humanfs/node": "^0.16.6", "@humanwhocodes/module-importer": "^1.0.1", "@humanwhocodes/retry": "^0.4.2", "@types/estree": "^1.0.6", "ajv": "^6.14.0", "cross-spawn": "^7.0.6", "debug": "^4.3.2", "escape-string-regexp": "^4.0.0", "eslint-scope": "^9.1.2", "eslint-visitor-keys": "^5.0.1", "espree": "^11.2.0", "esquery": "^1.7.0", "esutils": "^2.0.2", "fast-deep-equal": "^3.1.3", "file-entry-cache": "11.1.5 || >11.1.6 <12", "find-up": "^5.0.0", "glob-parent": "^6.0.2", "ignore": "^5.2.0", "imurmurhash": "^0.1.4", "is-glob": "^4.0.0", "json-stable-stringify-without-jsonify": "^1.0.1", "minimatch": "^10.2.5", "natural-compare": "^1.4.0", "optionator": "^0.9.3" }, "peerDependencies": { "jiti": "*" }, "optionalPeers": ["jiti"], "bin": { "eslint": "bin/eslint.js" } }, "sha512-P7a6UEEqb9G95MYAtqkmsTbVXIYyzIfl6NGOIJk162PaahFxFyeGcrlXYFSiagECg4sEm8IseJdZBKR3rx6MsQ=="],
+    "eslint": ["eslint@10.12.0", "", { "dependencies": { "@eslint-community/eslint-utils": "^4.8.0", "@eslint-community/regexpp": "^4.12.2", "@eslint/config-array": "^0.23.5", "@eslint/config-helpers": "^0.7.0", "@eslint/core": "^1.2.1", "@eslint/plugin-kit": "^0.7.3", "@humanfs/node": "^0.16.6", "@humanwhocodes/module-importer": "^1.0.1", "@humanwhocodes/retry": "^0.4.2", "@types/estree": "^1.0.6", "ajv": "^6.14.0", "cross-spawn": "^7.0.6", "debug": "^4.3.2", "escape-string-regexp": "^4.0.0", "eslint-scope": "^9.1.2", "eslint-visitor-keys": "^5.0.1", "espree": "^11.2.0", "esquery": "^1.7.0", "esutils": "^2.0.2", "fast-deep-equal": "^3.1.3", "file-entry-cache": "11.1.5 || >11.1.6 <12", "find-up": "^5.0.0", "glob-parent": "^6.0.2", "ignore": "^5.2.0", "imurmurhash": "^0.1.4", "is-glob": "^4.0.0", "json-stable-stringify-without-jsonify": "^1.0.1", "minimatch": "^10.2.5", "natural-compare": "^1.4.0", "optionator": "^0.9.3" }, "peerDependencies": { "jiti": "*" }, "optionalPeers": ["jiti"], "bin": { "eslint": "bin/eslint.js" } }, "sha512-npHjrHb2o4ehH3mE+YuxABR+0gyb0aVWCIolgJDArwCiHEIsonBm3ZKjel5b0U5+a+MbEvIyRCGCzD3eKKK2NA=="],
 
     "eslint-config-prettier": ["eslint-config-prettier@10.1.8", "", { "peerDependencies": { "eslint": ">=7.0.0" }, "bin": { "eslint-config-prettier": "bin/cli.js" } }, "sha512-82GZUjRS0p/jganf6q1rEO25VSoHH0hKPCTrgillPjdI/3bgBhAE1QzHrHTizjpRvy6pGAvKjDJtk2pF9NDq8w=="],
 
@@ -1386,6 +1386,8 @@
 
     "eslint-module-utils/debug": ["debug@3.2.7", "", { "dependencies": { "ms": "^2.1.1" } }, "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ=="],
 
+    "eslint-plugin-functional/@typescript-eslint/utils": ["@typescript-eslint/utils@8.71.0", "", { "dependencies": { "@eslint-community/eslint-utils": "^4.9.1", "@typescript-eslint/scope-manager": "8.71.0", "@typescript-eslint/types": "8.71.0", "@typescript-eslint/typescript-estree": "8.71.0" }, "peerDependencies": { "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0", "typescript": ">=4.8.4 <6.1.0" } }, "sha512-pKR/tEMVrXZG23UFKUn5BQf3zfmfk7KQceI2cGzywZ5nxM5Eu3hEJU1utjWzydtzBbcJAQhHN8iPCxobHpPcZQ=="],
+
     "eslint-plugin-functional/escape-string-regexp": ["escape-string-regexp@5.0.0", "", {}, "sha512-/veY75JbMK4j1yjvuUxuVsiS/hr/4iHs9FTT6cgTexxdE0Ly/glccBAkloH/DofkjRbZU3bnoj38mOmhkZ0lHw=="],
 
     "eslint-plugin-import/debug": ["debug@3.2.7", "", { "dependencies": { "ms": "^2.1.1" } }, "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ=="],
@@ -1400,6 +1402,8 @@
 
     "import-fresh/resolve-from": ["resolve-from@4.0.0", "", {}, "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g=="],
 
+    "is-immutable-type/@typescript-eslint/type-utils": ["@typescript-eslint/type-utils@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "@typescript-eslint/typescript-estree": "8.71.0", "@typescript-eslint/utils": "8.71.0", "debug": "^4.4.3", "ts-api-utils": "^2.5.0" }, "peerDependencies": { "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0", "typescript": ">=4.8.4 <6.1.0" } }, "sha512-i8uO1qbdxeKgRnS5sCRt6On3/nfo2d2DwQe3Yvjx543zLy7r8ySqRuPPiIIXAhS03U0v5NfAFx+rUgxFzKKwNw=="],
+
     "log-update/slice-ansi": ["slice-ansi@7.1.2", "", { "dependencies": { "ansi-styles": "^6.2.1", "is-fullwidth-code-point": "^5.0.0" } }, "sha512-iOBWFgUX7caIZiuutICxVgX1SdxwAVFFKwt1EvMYYec/NWO5meOJ6K5uQxhrYBdQJne4KxiqZc+KptFOWFSI9w=="],
 
     "micromatch/picomatch": ["picomatch@2.3.2", "", {}, "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA=="],
@@ -1712,8 +1716,20 @@
 
     "effect/fast-check/pure-rand": ["pure-rand@6.1.0", "", {}, "sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA=="],
 
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/scope-manager": ["@typescript-eslint/scope-manager@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "@typescript-eslint/visitor-keys": "8.71.0" } }, "sha512-gWF0BhUcnjZxSpLE8ngS/59n2SB0J3YqRxvX1+2aoRJk9hNtHSLOV+TcarFiOr5ipXm3yc1QrI4c9YZc8zyCxw=="],
+
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/types": ["@typescript-eslint/types@8.71.0", "", {}, "sha512-cJ4OoxPGWvFnBTnSZyaU+qJzGTqPTGJY+gDchj6cRyLRdmIdt4rcsE4twj+zPfrNiWuVi38wijHzShL++Z9atQ=="],
+
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/typescript-estree": ["@typescript-eslint/typescript-estree@8.71.0", "", { "dependencies": { "@typescript-eslint/project-service": "8.71.0", "@typescript-eslint/tsconfig-utils": "8.71.0", "@typescript-eslint/types": "8.71.0", "@typescript-eslint/visitor-keys": "8.71.0", "debug": "^4.4.3", "minimatch": "^10.2.2", "semver": "^7.7.3", "tinyglobby": "^0.2.15", "ts-api-utils": "^2.5.0" }, "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-PEEF4G5sLLWAS5BpPrUvms4ySZkiBQQZM4z+3ReI46axK5Vqr/vXBQatJQIZZOYdGyPUAKTtsrWzpqKuU+3DEw=="],
+
     "eslint-plugin-import/minimatch/brace-expansion": ["brace-expansion@1.1.21", "", { "dependencies": { "balanced-match": "^1.0.0", "concat-map": "0.0.1" } }, "sha512-9zeA+KLZNNzglF2TPKRQEDyx6Yby7daAkuy8MiPzpXPsYDWi/DRM8jmwUDxokQjYqBpv5DgPiwD4h4ZZSy1Ujw=="],
 
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/types": ["@typescript-eslint/types@8.71.0", "", {}, "sha512-cJ4OoxPGWvFnBTnSZyaU+qJzGTqPTGJY+gDchj6cRyLRdmIdt4rcsE4twj+zPfrNiWuVi38wijHzShL++Z9atQ=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/typescript-estree": ["@typescript-eslint/typescript-estree@8.71.0", "", { "dependencies": { "@typescript-eslint/project-service": "8.71.0", "@typescript-eslint/tsconfig-utils": "8.71.0", "@typescript-eslint/types": "8.71.0", "@typescript-eslint/visitor-keys": "8.71.0", "debug": "^4.4.3", "minimatch": "^10.2.2", "semver": "^7.7.3", "tinyglobby": "^0.2.15", "ts-api-utils": "^2.5.0" }, "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-PEEF4G5sLLWAS5BpPrUvms4ySZkiBQQZM4z+3ReI46axK5Vqr/vXBQatJQIZZOYdGyPUAKTtsrWzpqKuU+3DEw=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/utils": ["@typescript-eslint/utils@8.71.0", "", { "dependencies": { "@eslint-community/eslint-utils": "^4.9.1", "@typescript-eslint/scope-manager": "8.71.0", "@typescript-eslint/types": "8.71.0", "@typescript-eslint/typescript-estree": "8.71.0" }, "peerDependencies": { "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0", "typescript": ">=4.8.4 <6.1.0" } }, "sha512-pKR/tEMVrXZG23UFKUn5BQf3zfmfk7KQceI2cGzywZ5nxM5Eu3hEJU1utjWzydtzBbcJAQhHN8iPCxobHpPcZQ=="],
+
     "log-update/slice-ansi/ansi-styles": ["ansi-styles@6.2.3", "", {}, "sha512-4Dj6M28JB+oAH8kFkTLUo+a2jwOFkuqb3yucU0CANcRRUbxS0cP0nZYCGjcc3BNXwRIsUVmDGgzawme7zvJHvg=="],
 
     "npm/minipass-flush/minipass": ["minipass@3.3.6", "", { "dependencies": { "yallist": "^4.0.0" } }, "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw=="],
@@ -1728,10 +1744,28 @@
 
     "pg/pg-types/postgres-interval": ["postgres-interval@1.2.0", "", { "dependencies": { "xtend": "^4.0.0" } }, "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ=="],
 
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/scope-manager/@typescript-eslint/visitor-keys": ["@typescript-eslint/visitor-keys@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "eslint-visitor-keys": "^5.0.0" } }, "sha512-8eQ9R218XORK+KLosnf4bu/QsUXvUyVwTbArg7/0NMB1Pu87OJKvj4nhFblkYE8gQV73mW1dx1ptlPCkwRGa7A=="],
+
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/typescript-estree/@typescript-eslint/project-service": ["@typescript-eslint/project-service@8.71.0", "", { "dependencies": { "@typescript-eslint/tsconfig-utils": "^8.71.0", "@typescript-eslint/types": "^8.71.0", "debug": "^4.4.3" }, "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-aABjw5rjBacYONVPaPiWOCjJu0vEF4a25iQuodlmQYL1trtLZ0X/y+2Vzl3BKI1odM4LnwLE1oUDXYp1wzx1TQ=="],
+
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/typescript-estree/@typescript-eslint/tsconfig-utils": ["@typescript-eslint/tsconfig-utils@8.71.0", "", { "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-Z1UlWHADEK2Mlb9NpWfDeSjqoZ5EyrOv4R3eQpbkzqn/EwaIdOpXXupEA1+0ZIOSJSZZDBHG0BrQyN8zUG6Pwg=="],
+
+    "eslint-plugin-functional/@typescript-eslint/utils/@typescript-eslint/typescript-estree/@typescript-eslint/visitor-keys": ["@typescript-eslint/visitor-keys@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "eslint-visitor-keys": "^5.0.0" } }, "sha512-8eQ9R218XORK+KLosnf4bu/QsUXvUyVwTbArg7/0NMB1Pu87OJKvj4nhFblkYE8gQV73mW1dx1ptlPCkwRGa7A=="],
+
     "eslint-plugin-import/minimatch/brace-expansion/balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="],
 
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/typescript-estree/@typescript-eslint/project-service": ["@typescript-eslint/project-service@8.71.0", "", { "dependencies": { "@typescript-eslint/tsconfig-utils": "^8.71.0", "@typescript-eslint/types": "^8.71.0", "debug": "^4.4.3" }, "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-aABjw5rjBacYONVPaPiWOCjJu0vEF4a25iQuodlmQYL1trtLZ0X/y+2Vzl3BKI1odM4LnwLE1oUDXYp1wzx1TQ=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/typescript-estree/@typescript-eslint/tsconfig-utils": ["@typescript-eslint/tsconfig-utils@8.71.0", "", { "peerDependencies": { "typescript": ">=4.8.4 <6.1.0" } }, "sha512-Z1UlWHADEK2Mlb9NpWfDeSjqoZ5EyrOv4R3eQpbkzqn/EwaIdOpXXupEA1+0ZIOSJSZZDBHG0BrQyN8zUG6Pwg=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/typescript-estree/@typescript-eslint/visitor-keys": ["@typescript-eslint/visitor-keys@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "eslint-visitor-keys": "^5.0.0" } }, "sha512-8eQ9R218XORK+KLosnf4bu/QsUXvUyVwTbArg7/0NMB1Pu87OJKvj4nhFblkYE8gQV73mW1dx1ptlPCkwRGa7A=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/utils/@typescript-eslint/scope-manager": ["@typescript-eslint/scope-manager@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "@typescript-eslint/visitor-keys": "8.71.0" } }, "sha512-gWF0BhUcnjZxSpLE8ngS/59n2SB0J3YqRxvX1+2aoRJk9hNtHSLOV+TcarFiOr5ipXm3yc1QrI4c9YZc8zyCxw=="],
+
     "npm/minipass-flush/minipass/yallist": ["yallist@4.0.0", "", {}, "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="],
 
     "npm/minipass-pipeline/minipass/yallist": ["yallist@4.0.0", "", {}, "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="],
+
+    "is-immutable-type/@typescript-eslint/type-utils/@typescript-eslint/utils/@typescript-eslint/scope-manager/@typescript-eslint/visitor-keys": ["@typescript-eslint/visitor-keys@8.71.0", "", { "dependencies": { "@typescript-eslint/types": "8.71.0", "eslint-visitor-keys": "^5.0.0" } }, "sha512-8eQ9R218XORK+KLosnf4bu/QsUXvUyVwTbArg7/0NMB1Pu87OJKvj4nhFblkYE8gQV73mW1dx1ptlPCkwRGa7A=="],
   }
 }
diff --git a/package.json b/package.json
index 70a3c5a0..b173840c 100644
--- a/package.json
+++ b/package.json
@@ -54,11 +54,11 @@
     "@effect/rpc": "0.76.2",
     "@effect/workflow": "0.19.1",
     "@types/bun": "1.4.3",
-    "@typescript-eslint/eslint-plugin": "8.71.0",
-    "@typescript-eslint/parser": "8.71.0",
+    "@typescript-eslint/eslint-plugin": "8.71.2",
+    "@typescript-eslint/parser": "8.71.2",
     "dependency-cruiser": "17.4.3",
     "effect": "3.22.3",
-    "eslint": "10.11.0",
+    "eslint": "10.12.0",
     "eslint-config-prettier": "10.1.8",
     "@eslint-community/eslint-plugin-eslint-comments": "4.8.1",
     "eslint-plugin-functional": "10.0.1",
diff --git a/packages/eslint-effect/package.json b/packages/eslint-effect/package.json
index 6b213af4..420ac519 100644
--- a/packages/eslint-effect/package.json
+++ b/packages/eslint-effect/package.json
@@ -45,8 +45,8 @@
     "eslint": ">=8.40.0"
   },
   "devDependencies": {
-    "eslint": "10.11.0",
-    "@typescript-eslint/eslint-plugin": "8.71.0",
+    "eslint": "10.12.0",
+    "@typescript-eslint/eslint-plugin": "8.71.2",
     "typescript": "5.9.3",
     "effect": "3.22.3"
   }
diff --git a/packages/eventsourcing-aggregates/package.json b/packages/eventsourcing-aggregates/package.json
index 3e6988b6..aea02534 100644
--- a/packages/eventsourcing-aggregates/package.json
+++ b/packages/eventsourcing-aggregates/package.json
@@ -74,7 +74,7 @@
     "@codeforbreakfast/eventsourcing-store-inmemory": "workspace:*",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-aggregates/src/lib/aggregate-load.test.ts b/packages/eventsourcing-aggregates/src/lib/aggregate-load.test.ts
index b800dead..6d8f4a1d 100644
--- a/packages/eventsourcing-aggregates/src/lib/aggregate-load.test.ts
+++ b/packages/eventsourcing-aggregates/src/lib/aggregate-load.test.ts
@@ -23,18 +23,9 @@ interface TestAggregateState {
   readonly count: number;
 }
 
-const TestEventCreated = Schema.Struct({
-  type: Schema.Literal('TestCreated'),
-  data: Schema.Struct({ value: Schema.String }),
-});
-
-const TestEventIncremented = Schema.Struct({
-  type: Schema.Literal('TestIncremented'),
-  data: Schema.Struct({}),
-});
-
-const TestEvent = Schema.Union(TestEventCreated, TestEventIncremented);
-type TestEvent = Schema.Schema.Type<typeof TestEvent>;
+type TestEvent =
+  | { readonly type: 'TestCreated'; readonly data: { readonly value: string } }
+  | { readonly type: 'TestIncremented'; readonly data: Readonly<Record<string, never>> };
 
 const applyTestEvent =
   (state: Readonly<Option.Option<TestAggregateState>>) =>
diff --git a/packages/eventsourcing-aggregates/src/lib/command-processing-example.ts b/packages/eventsourcing-aggregates/src/lib/command-processing-example.ts
index eb4cdd16..56462b4d 100644
--- a/packages/eventsourcing-aggregates/src/lib/command-processing-example.ts
+++ b/packages/eventsourcing-aggregates/src/lib/command-processing-example.ts
@@ -1,4 +1,4 @@
-import { Effect, Layer, pipe, Schema, Context } from 'effect';
+import { Effect, Layer, pipe, Context } from 'effect';
 import type { ReadonlyDeep } from 'type-fest';
 import {
   CommandProcessingService,
@@ -20,24 +20,12 @@ import {
 // ============================================================================
 
 // Example: Define your domain-specific events
-const UserCreated = Schema.Struct({
-  type: Schema.Literal('UserCreated'),
-  data: Schema.Struct({
-    name: Schema.String,
-    email: Schema.String,
-  }),
-});
-
-const UserUpdated = Schema.Struct({
-  type: Schema.Literal('UserUpdated'),
-  data: Schema.Struct({
-    name: Schema.String,
-  }),
-});
-
-// Example: Union of all user events
-const UserEvent = Schema.Union(UserCreated, UserUpdated);
-type UserEvent = typeof UserEvent.Type;
+type UserEvent =
+  | {
+      readonly type: 'UserCreated';
+      readonly data: { readonly name: string; readonly email: string };
+    }
+  | { readonly type: 'UserUpdated'; readonly data: { readonly name: string } };
 
 // Example: Create a domain-specific event store tag
 const UserEventStore = Context.GenericTag<EventStore<UserEvent>, EventStore<UserEvent>>(
diff --git a/packages/eventsourcing-aggregates/src/lib/command-processing.test.ts b/packages/eventsourcing-aggregates/src/lib/command-processing.test.ts
index 0a6c9e3b..0a38ca1f 100644
--- a/packages/eventsourcing-aggregates/src/lib/command-processing.test.ts
+++ b/packages/eventsourcing-aggregates/src/lib/command-processing.test.ts
@@ -31,23 +31,12 @@ const isUnknownError: (
 ) => error is Extract<CommandFailure['error'], { readonly _tag: 'UnknownError' }> =
   Schema.is(UnknownErrorSchema);
 
-const UserCreated = Schema.Struct({
-  type: Schema.Literal('UserCreated'),
-  data: Schema.Struct({
-    name: Schema.String,
-    email: Schema.String,
-  }),
-});
-
-const OrderCreated = Schema.Struct({
-  type: Schema.Literal('OrderCreated'),
-  data: Schema.Struct({
-    orderId: Schema.String,
-  }),
-});
-
-const TestEvent = Schema.Union(UserCreated, OrderCreated);
-type TestEvent = typeof TestEvent.Type;
+type TestEvent =
+  | {
+      readonly type: 'UserCreated';
+      readonly data: { readonly name: string; readonly email: string };
+    }
+  | { readonly type: 'OrderCreated'; readonly data: { readonly orderId: string } };
 
 const TestEventStore = Context.GenericTag<EventStore<TestEvent>, EventStore<TestEvent>>(
   'TestEventStore'
diff --git a/packages/eventsourcing-commands/package.json b/packages/eventsourcing-commands/package.json
index 63c9b4cd..8b03ff2e 100644
--- a/packages/eventsourcing-commands/package.json
+++ b/packages/eventsourcing-commands/package.json
@@ -69,7 +69,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-projections/package.json b/packages/eventsourcing-projections/package.json
index 4db134be..6d07b446 100644
--- a/packages/eventsourcing-projections/package.json
+++ b/packages/eventsourcing-projections/package.json
@@ -69,7 +69,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-protocol/package.json b/packages/eventsourcing-protocol/package.json
index 77c13f67..073fe997 100644
--- a/packages/eventsourcing-protocol/package.json
+++ b/packages/eventsourcing-protocol/package.json
@@ -79,7 +79,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-server/package.json b/packages/eventsourcing-server/package.json
index 271c0376..22afedb5 100644
--- a/packages/eventsourcing-server/package.json
+++ b/packages/eventsourcing-server/package.json
@@ -70,7 +70,7 @@
     "@codeforbreakfast/bun-test-effect": "workspace:*",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-store-filesystem/package.json b/packages/eventsourcing-store-filesystem/package.json
index bbbd252e..876c264e 100644
--- a/packages/eventsourcing-store-filesystem/package.json
+++ b/packages/eventsourcing-store-filesystem/package.json
@@ -71,7 +71,7 @@
     "@effect/platform-bun": "0.91.3",
     "@types/node": "24.19.2",
     "effect": "3.22.3",
-    "eslint": "10.11.0",
+    "eslint": "10.12.0",
     "typescript": "5.9.3"
   },
   "publishConfig": {
diff --git a/packages/eventsourcing-store-inmemory/package.json b/packages/eventsourcing-store-inmemory/package.json
index 65d7551a..01b4fb8f 100644
--- a/packages/eventsourcing-store-inmemory/package.json
+++ b/packages/eventsourcing-store-inmemory/package.json
@@ -71,7 +71,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-store-postgres/package.json b/packages/eventsourcing-store-postgres/package.json
index 1fa706cc..6e071c12 100644
--- a/packages/eventsourcing-store-postgres/package.json
+++ b/packages/eventsourcing-store-postgres/package.json
@@ -78,7 +78,7 @@
     "@effect/platform-bun": "0.91.3",
     "@types/node": "24.19.2",
     "effect": "3.22.3",
-    "eslint": "10.11.0",
+    "eslint": "10.12.0",
     "typescript": "5.9.3"
   },
   "publishConfig": {
diff --git a/packages/eventsourcing-store/package.json b/packages/eventsourcing-store/package.json
index aaa89c15..bb93ed68 100644
--- a/packages/eventsourcing-store/package.json
+++ b/packages/eventsourcing-store/package.json
@@ -71,7 +71,7 @@
     "@codeforbreakfast/bun-test-effect": "workspace:*",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-store/src/lib/testing/eventstore-test-suite.ts b/packages/eventsourcing-store/src/lib/testing/eventstore-test-suite.ts
index 96da5dfd..a5bfe564 100644
--- a/packages/eventsourcing-store/src/lib/testing/eventstore-test-suite.ts
+++ b/packages/eventsourcing-store/src/lib/testing/eventstore-test-suite.ts
@@ -24,8 +24,7 @@ const Id = {
 export const newEventStreamId = () =>
   pipe(`stream_${Id.randomPart()}`, Schema.decode(EventStreamId));
 
-const FooEvent = Schema.Struct({ bar: Schema.String });
-type FooEvent = typeof FooEvent.Type;
+type FooEvent = { readonly bar: string };
 
 const readStreamFromBeginning =
   (streamId: Effect.Effect<EventStreamId, ParseResult.ParseError, never>) =>
diff --git a/packages/eventsourcing-testing-contracts/package.json b/packages/eventsourcing-testing-contracts/package.json
index 206c376b..443d7852 100644
--- a/packages/eventsourcing-testing-contracts/package.json
+++ b/packages/eventsourcing-testing-contracts/package.json
@@ -74,7 +74,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-transport-inmemory/package.json b/packages/eventsourcing-transport-inmemory/package.json
index 3b990bf3..569e881b 100644
--- a/packages/eventsourcing-transport-inmemory/package.json
+++ b/packages/eventsourcing-transport-inmemory/package.json
@@ -71,7 +71,7 @@
     "@codeforbreakfast/bun-test-effect": "workspace:*",
     "@types/node": "24.19.2",
     "effect": "3.22.3",
-    "eslint": "10.11.0",
+    "eslint": "10.12.0",
     "typescript": "5.9.3"
   },
   "publishConfig": {
diff --git a/packages/eventsourcing-transport-websocket/package.json b/packages/eventsourcing-transport-websocket/package.json
index 58075f39..0ac5ec9e 100644
--- a/packages/eventsourcing-transport-websocket/package.json
+++ b/packages/eventsourcing-transport-websocket/package.json
@@ -72,7 +72,7 @@
     "@types/node": "24.19.2",
     "bun-types": "1.4.3",
     "effect": "3.22.3",
-    "eslint": "10.11.0",
+    "eslint": "10.12.0",
     "typescript": "5.9.3"
   },
   "publishConfig": {
diff --git a/packages/eventsourcing-transport/package.json b/packages/eventsourcing-transport/package.json
index cde54691..3c075892 100644
--- a/packages/eventsourcing-transport/package.json
+++ b/packages/eventsourcing-transport/package.json
@@ -66,7 +66,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/eventsourcing-websocket/package.json b/packages/eventsourcing-websocket/package.json
index 0eaf2de5..f4ed63f0 100644
--- a/packages/eventsourcing-websocket/package.json
+++ b/packages/eventsourcing-websocket/package.json
@@ -74,7 +74,7 @@
     "@types/node": "24.19.2",
     "effect": "3.22.3",
     "typescript": "5.9.3",
-    "eslint": "10.11.0"
+    "eslint": "10.12.0"
   },
   "publishConfig": {
     "access": "public"