Detect default profile template changes by content

prompt-profiles.js

@@ -443,6 +443,21 @@ function getDefaultTaskProfileTemplate(taskType) {
   return cloneJson(template);
 }
 
+function hashTemplateFingerprint(value = "") {
+  const text = String(value || "");
+  let hash = 2166136261;
+  for (let index = 0; index < text.length; index += 1) {
+    hash ^= text.charCodeAt(index);
+    hash = Math.imul(hash, 16777619);
+  }
+  return `fnv1a-${(hash >>> 0).toString(16).padStart(8, "0")}`;
+}
+
+function getDefaultTaskProfileTemplateFingerprint(taskType) {
+  const template = getDefaultTaskProfileTemplate(taskType);
+  return hashTemplateFingerprint(JSON.stringify(template || null));
+}
+
 function getDefaultTaskProfileTemplateStamp(taskType) {
   const template = getDefaultTaskProfileTemplate(taskType);
   return {
@@ -453,6 +468,7 @@ function getDefaultTaskProfileTemplateStamp(taskType) {
       typeof template?.updatedAt === "string" && template.updatedAt
         ? template.updatedAt
         : "",
+    fingerprint: getDefaultTaskProfileTemplateFingerprint(taskType),
   };
 }
 
@@ -804,11 +820,19 @@ function shouldRefreshBuiltinDefaultProfile(taskType, profile = {}) {
     typeof metadata?.defaultTemplateUpdatedAt === "string"
       ? metadata.defaultTemplateUpdatedAt
       : "";
+  const currentFingerprint =
+    typeof metadata?.defaultTemplateFingerprint === "string"
+      ? metadata.defaultTemplateFingerprint
+      : "";
 
   if (currentVersion < expectedStamp.version) {
     return true;
   }
 
+  if (expectedStamp.fingerprint && currentFingerprint !== expectedStamp.fingerprint) {
+    return true;
+  }
+
   if (
     expectedStamp.updatedAt &&
     currentUpdatedAt &&
@@ -886,6 +910,7 @@ function createFallbackDefaultTaskProfile(taskType) {
       legacyPromptField,
       defaultTemplateVersion: templateStamp.version,
       defaultTemplateUpdatedAt: templateStamp.updatedAt,
+      defaultTemplateFingerprint: templateStamp.fingerprint,
     },
   };
 }
@@ -946,6 +971,7 @@ export function createDefaultTaskProfile(taskType) {
       legacyPromptField,
       defaultTemplateVersion: templateStamp.version,
       defaultTemplateUpdatedAt: templateStamp.updatedAt,
+      defaultTemplateFingerprint: templateStamp.fingerprint,
     },
   };
 }

tests/task-profile-migration.mjs

@@ -297,6 +297,10 @@ assert.equal(
   refreshedDefaultExtract.metadata.defaultTemplateUpdatedAt,
   currentDefaultExtract.metadata.defaultTemplateUpdatedAt,
 );
+assert.equal(
+  refreshedDefaultExtract.metadata.defaultTemplateFingerprint,
+  currentDefaultExtract.metadata.defaultTemplateFingerprint,
+);
 assert.ok(preservedCustomExtract);
 assert.equal(
   preservedCustomExtract.blocks[0].content,
@@ -332,6 +336,41 @@ assert.equal(
     ?.content,
   "同版本下保留我的默认预设修改",
 );
+
+const sameTimestampButChangedTemplateDefaults = ensureTaskProfiles({
+  taskProfilesVersion: 3,
+  taskProfiles: {
+    extract: {
+      activeProfileId: "default",
+      profiles: [
+        {
+          ...currentDefaultExtract,
+          blocks: currentDefaultExtract.blocks.map((block) =>
+            block.id === "default-role"
+              ? { ...block, content: "老模板内容但时间戳没变" }
+              : block,
+          ),
+          metadata: {
+            ...(currentDefaultExtract.metadata || {}),
+            defaultTemplateFingerprint: "fnv1a-deadbeef",
+          },
+        },
+      ],
+    },
+  },
+});
+const fingerprintRefreshedDefault =
+  sameTimestampButChangedTemplateDefaults.extract.profiles.find(
+    (profile) => profile.id === "default",
+  );
+assert.equal(
+  fingerprintRefreshedDefault.blocks.find(
+    (block) => block.id === "default-role",
+  )?.content,
+  currentDefaultExtract.blocks.find((block) => block.id === "default-role")
+    ?.content,
+);
+
 assert.deepEqual(
   upgradedLegacyDefault.blocks
     .slice(6, 10)