refactor: 리펙토링

config/contracts/registry-change-evidence.json

@@ -1,6 +1,14 @@
 {
   "schemaVersion": 1,
   "changes": [
+    {
+      "changeId": "FE-REG-ENV:API_CONTRACT_VERSION:*:removed",
+      "versionBump": "Runtime Config V2 (CONFIG_SCHEMA_VERSION 2.0) removes the scalar API contract version.",
+      "migration": "Release Manifest V2 contractSet replaces the scalar: the compiled external contract package set is canonicalized and digested, and boot compares it against the manifest.",
+      "compatibilityWindow": "The V1 config and V1 manifest readers stay in place for one release. A V1 document may still carry the scalar; a V2 document is rejected if it does.",
+      "rollback": "Restore the V1 writer in scripts/generate-build-manifest.ts and the scalar key in public/config.json; the V1 reader is still present.",
+      "owner": "frontend-platform"
+    },
     {
       "changeId": "FE-REG-QUERY:$contract:allowedValues:contract-field-changed",
       "versionBump": "Cross-context invalidation wire protocol starts at version 1.",
@@ -41,6 +49,14 @@
       "rollback": "Drop invalidationTopic uniqueness after removing the transport consumer.",
       "owner": "frontend-platform"
     },
+    {
+      "changeId": "FE-REG-RELEASE:apiContractVersion:compatibilityRole:field-changed",
+      "versionBump": "The release token registry adds contractSetDigest and demotes apiContractVersion to a legacy V1 scalar.",
+      "migration": "compareReleaseToRuntime no longer sources the scalar from Runtime Config; when neither side declares it there is nothing to compare and contractSet verification owns contract coherence.",
+      "compatibilityWindow": "A V1 manifest still supplies apiContractVersion and is still compared against a V1 config that declares one.",
+      "rollback": "Restore the previous compatibilityRole text and remove the contractSetDigest token together with the V2 manifest writer.",
+      "owner": "frontend-platform"
+    },
     {
       "changeId": "FE-REG-STORAGE:$contract:allowedValues:contract-field-changed",
       "versionBump": "Web Storage value codec contracts start at version 1.",