diff --git a/extensions/memory-core/src/memory/manager-session-sync-state.test.ts b/extensions/memory-core/src/memory/manager-session-sync-state.test.ts
index f45e7b5af17..57503511ac3 100644
--- a/extensions/memory-core/src/memory/manager-session-sync-state.test.ts
+++ b/extensions/memory-core/src/memory/manager-session-sync-state.test.ts
@@ -7,7 +7,7 @@ describe("memory session sync state", () => {
       needsFullReindex: false,
       files: ["/tmp/a.jsonl", "/tmp/b.jsonl"],
       targetSessionTranscripts: null,
-      sessionsDirtyFiles: new Set(),
+      dirtySessionTranscripts: new Set(),
       existingRows: [
         { path: "sessions/a.jsonl", hash: "hash-a" },
         { path: "sessions/b.jsonl", hash: "hash-b" },
@@ -34,7 +34,7 @@ describe("memory session sync state", () => {
       needsFullReindex: false,
       files: ["/tmp/targeted-first.jsonl"],
       targetSessionTranscripts: new Set(["/tmp/targeted-first.jsonl"]),
-      sessionsDirtyFiles: new Set(["/tmp/targeted-first.jsonl"]),
+      dirtySessionTranscripts: new Set(["/tmp/targeted-first.jsonl"]),
       existingRows: [
         { path: "sessions/targeted-first.jsonl", hash: "hash-first" },
         { path: "sessions/targeted-second.jsonl", hash: "hash-second" },
@@ -53,7 +53,7 @@ describe("memory session sync state", () => {
       needsFullReindex: false,
       files: ["/tmp/incremental.jsonl"],
       targetSessionTranscripts: null,
-      sessionsDirtyFiles: new Set(["/tmp/incremental.jsonl"]),
+      dirtySessionTranscripts: new Set(["/tmp/incremental.jsonl"]),
       existingRows: [],
       sessionPathForTranscript: (file) => `sessions/${file.split("/").at(-1)}`,
     });
diff --git a/extensions/memory-core/src/memory/manager-session-sync-state.ts b/extensions/memory-core/src/memory/manager-session-sync-state.ts
index f49c5d281de..54474bcdc0a 100644
--- a/extensions/memory-core/src/memory/manager-session-sync-state.ts
+++ b/extensions/memory-core/src/memory/manager-session-sync-state.ts
@@ -4,7 +4,7 @@ export function resolveMemorySessionSyncPlan(params: {
   needsFullReindex: boolean;
   files: string[];
   targetSessionTranscripts: Set<string> | null;
-  sessionsDirtyFiles: Set<string>;
+  dirtySessionTranscripts: Set<string>;
   existingRows?: MemorySourceFileStateRow[] | null;
   sessionPathForTranscript: (file: string) => string;
 }): {
@@ -24,6 +24,6 @@ export function resolveMemorySessionSyncPlan(params: {
     indexAll:
       params.needsFullReindex ||
       Boolean(params.targetSessionTranscripts) ||
-      params.sessionsDirtyFiles.size === 0,
+      params.dirtySessionTranscripts.size === 0,
   };
 }
diff --git a/extensions/memory-core/src/memory/manager-sync-ops.ts b/extensions/memory-core/src/memory/manager-sync-ops.ts
index dbc6f01288b..7c686783ace 100644
--- a/extensions/memory-core/src/memory/manager-sync-ops.ts
+++ b/extensions/memory-core/src/memory/manager-sync-ops.ts
@@ -176,8 +176,8 @@ export abstract class MemoryManagerSyncOps {
   protected closed = false;
   protected dirty = false;
   protected sessionsDirty = false;
-  protected sessionsDirtyFiles = new Set<string>();
-  protected sessionPendingFiles = new Set<string>();
+  protected dirtySessionTranscripts = new Set<string>();
+  protected pendingSessionTranscripts = new Set<string>();
   protected sessionDeltas = new Map<
     string,
     { lastSize: number; lastMessages: number; pendingBytes: number; pendingMessages: number }
@@ -475,7 +475,7 @@ export abstract class MemoryManagerSyncOps {
   }
 
   private scheduleSessionDirty(sessionTranscript: string) {
-    this.sessionPendingFiles.add(sessionTranscript);
+    this.pendingSessionTranscripts.add(sessionTranscript);
     if (this.sessionWatchTimer) {
       return;
     }
@@ -488,11 +488,11 @@ export abstract class MemoryManagerSyncOps {
   }
 
   private async processSessionDeltaBatch(): Promise<void> {
-    if (this.sessionPendingFiles.size === 0) {
+    if (this.pendingSessionTranscripts.size === 0) {
       return;
     }
-    const pending = Array.from(this.sessionPendingFiles);
-    this.sessionPendingFiles.clear();
+    const pending = Array.from(this.pendingSessionTranscripts);
+    this.pendingSessionTranscripts.clear();
     let shouldSync = false;
     for (const sessionTranscript of pending) {
       const delta = await this.updateSessionDelta(sessionTranscript);
@@ -510,7 +510,7 @@ export abstract class MemoryManagerSyncOps {
       if (!bytesHit && !messagesHit) {
         continue;
       }
-      this.sessionsDirtyFiles.add(sessionTranscript);
+      this.dirtySessionTranscripts.add(sessionTranscript);
       this.sessionsDirty = true;
       delta.pendingBytes =
         bytesThreshold > 0 ? Math.max(0, delta.pendingBytes - bytesThreshold) : 0;
@@ -642,7 +642,7 @@ export abstract class MemoryManagerSyncOps {
     return shouldSyncSessionsForReindex({
       hasSessionSource: this.sources.has("sessions"),
       sessionsDirty: this.sessionsDirty,
-      dirtySessionTranscriptCount: this.sessionsDirtyFiles.size,
+      dirtySessionTranscriptCount: this.dirtySessionTranscripts.size,
       sync: params,
       needsFullReindex,
     });
@@ -778,7 +778,7 @@ export abstract class MemoryManagerSyncOps {
       needsFullReindex: params.needsFullReindex,
       files,
       targetSessionTranscripts,
-      sessionsDirtyFiles: this.sessionsDirtyFiles,
+      dirtySessionTranscripts: this.dirtySessionTranscripts,
       existingRows: targetSessionTranscripts
         ? null
         : loadMemorySourceFileState({
@@ -791,8 +791,8 @@ export abstract class MemoryManagerSyncOps {
     log.debug("memory sync: indexing session transcripts", {
       files: files.length,
       indexAll,
-      dirtyFiles: this.sessionsDirtyFiles.size,
-      targetedFiles: targetSessionTranscripts?.size ?? 0,
+      dirtyTranscripts: this.dirtySessionTranscripts.size,
+      targetedTranscripts: targetSessionTranscripts?.size ?? 0,
       batch: this.batch.enabled,
       concurrency: this.getIndexConcurrency(),
     });
@@ -808,7 +808,7 @@ export abstract class MemoryManagerSyncOps {
     }
 
     const tasks = files.map((absPath) => async () => {
-      if (!indexAll && !this.sessionsDirtyFiles.has(absPath)) {
+      if (!indexAll && !this.dirtySessionTranscripts.has(absPath)) {
         if (params.progress) {
           params.progress.completed += 1;
           params.progress.report({
@@ -950,7 +950,7 @@ export abstract class MemoryManagerSyncOps {
       useUnsafeReindex:
         process.env.OPENCLAW_TEST_FAST === "1" &&
         process.env.OPENCLAW_TEST_MEMORY_UNSAFE_REINDEX === "1",
-      sessionsDirtyFiles: this.sessionsDirtyFiles,
+      dirtySessionTranscripts: this.dirtySessionTranscripts,
       syncSessionTranscripts: async (targetedParams) => {
         await this.syncSessionTranscripts(targetedParams);
       },
@@ -1021,8 +1021,8 @@ export abstract class MemoryManagerSyncOps {
           progress: progress ?? undefined,
         });
         this.sessionsDirty = false;
-        this.sessionsDirtyFiles.clear();
-      } else if (this.sessionsDirtyFiles.size > 0) {
+        this.dirtySessionTranscripts.clear();
+      } else if (this.dirtySessionTranscripts.size > 0) {
         this.sessionsDirty = true;
       } else {
         this.sessionsDirty = false;
@@ -1176,8 +1176,8 @@ export abstract class MemoryManagerSyncOps {
               progress: params.progress,
             });
             this.sessionsDirty = false;
-            this.sessionsDirtyFiles.clear();
-          } else if (this.sessionsDirtyFiles.size > 0) {
+            this.dirtySessionTranscripts.clear();
+          } else if (this.dirtySessionTranscripts.size > 0) {
             this.sessionsDirty = true;
           } else {
             this.sessionsDirty = false;
@@ -1252,8 +1252,8 @@ export abstract class MemoryManagerSyncOps {
     if (shouldSyncSessions) {
       await this.syncSessionTranscripts({ needsFullReindex: true, progress: params.progress });
       this.sessionsDirty = false;
-      this.sessionsDirtyFiles.clear();
-    } else if (this.sessionsDirtyFiles.size > 0) {
+      this.dirtySessionTranscripts.clear();
+    } else if (this.dirtySessionTranscripts.size > 0) {
       this.sessionsDirty = true;
     } else {
       this.sessionsDirty = false;
@@ -1296,7 +1296,7 @@ export abstract class MemoryManagerSyncOps {
     this.ensureSchema();
     this.dropVectorTable();
     this.vector.dims = undefined;
-    this.sessionsDirtyFiles.clear();
+    this.dirtySessionTranscripts.clear();
   }
 
   protected readMeta(): MemoryIndexMeta | null {
diff --git a/extensions/memory-core/src/memory/manager-targeted-sync.test.ts b/extensions/memory-core/src/memory/manager-targeted-sync.test.ts
index 517b3cf4129..50381aeccf5 100644
--- a/extensions/memory-core/src/memory/manager-targeted-sync.test.ts
+++ b/extensions/memory-core/src/memory/manager-targeted-sync.test.ts
@@ -7,14 +7,14 @@ import {
 describe("memory targeted session sync", () => {
   it("preserves unrelated dirty sessions after targeted cleanup", () => {
     const secondSessionPath = "/tmp/targeted-dirty-second.jsonl";
-    const sessionsDirtyFiles = new Set(["/tmp/targeted-dirty-first.jsonl", secondSessionPath]);
+    const dirtySessionTranscripts = new Set(["/tmp/targeted-dirty-first.jsonl", secondSessionPath]);
 
     const sessionsDirty = clearMemorySyncedSessionTranscripts({
-      sessionsDirtyFiles,
+      dirtySessionTranscripts,
       targetSessionTranscripts: ["/tmp/targeted-dirty-first.jsonl"],
     });
 
-    expect(sessionsDirtyFiles.has(secondSessionPath)).toBe(true);
+    expect(dirtySessionTranscripts.has(secondSessionPath)).toBe(true);
     expect(sessionsDirty).toBe(true);
   });
 
@@ -29,7 +29,7 @@ describe("memory targeted session sync", () => {
       reason: "post-compaction",
       progress: undefined,
       useUnsafeReindex: false,
-      sessionsDirtyFiles: new Set(),
+      dirtySessionTranscripts: new Set(),
       syncSessionTranscripts: async () => {
         throw new Error("embedding backend failed");
       },
@@ -58,7 +58,7 @@ describe("memory targeted session sync", () => {
       reason: "post-compaction",
       progress: undefined,
       useUnsafeReindex: true,
-      sessionsDirtyFiles: new Set(),
+      dirtySessionTranscripts: new Set(),
       syncSessionTranscripts: async () => {
         throw new Error("embedding backend failed");
       },
diff --git a/extensions/memory-core/src/memory/manager-targeted-sync.ts b/extensions/memory-core/src/memory/manager-targeted-sync.ts
index 9179f53b2f1..536a06cc387 100644
--- a/extensions/memory-core/src/memory/manager-targeted-sync.ts
+++ b/extensions/memory-core/src/memory/manager-targeted-sync.ts
@@ -9,17 +9,17 @@ type TargetedSyncProgress = {
 };
 
 export function clearMemorySyncedSessionTranscripts(params: {
-  sessionsDirtyFiles: Set<string>;
+  dirtySessionTranscripts: Set<string>;
   targetSessionTranscripts?: Iterable<string> | null;
 }): boolean {
   if (!params.targetSessionTranscripts) {
-    params.sessionsDirtyFiles.clear();
+    params.dirtySessionTranscripts.clear();
   } else {
     for (const targetSessionTranscript of params.targetSessionTranscripts) {
-      params.sessionsDirtyFiles.delete(targetSessionTranscript);
+      params.dirtySessionTranscripts.delete(targetSessionTranscript);
     }
   }
-  return params.sessionsDirtyFiles.size > 0;
+  return params.dirtySessionTranscripts.size > 0;
 }
 
 export async function runMemoryTargetedSessionSync(params: {
@@ -28,7 +28,7 @@ export async function runMemoryTargetedSessionSync(params: {
   reason?: string;
   progress?: TargetedSyncProgress;
   useUnsafeReindex: boolean;
-  sessionsDirtyFiles: Set<string>;
+  dirtySessionTranscripts: Set<string>;
   syncSessionTranscripts: (params: {
     needsFullReindex: boolean;
     targetSessionTranscripts?: string[];
@@ -50,7 +50,7 @@ export async function runMemoryTargetedSessionSync(params: {
   if (!params.hasSessionSource || !params.targetSessionTranscripts) {
     return {
       handled: false,
-      sessionsDirty: params.sessionsDirtyFiles.size > 0,
+      sessionsDirty: params.dirtySessionTranscripts.size > 0,
     };
   }
 
@@ -63,7 +63,7 @@ export async function runMemoryTargetedSessionSync(params: {
     return {
       handled: true,
       sessionsDirty: clearMemorySyncedSessionTranscripts({
-        sessionsDirtyFiles: params.sessionsDirtyFiles,
+        dirtySessionTranscripts: params.dirtySessionTranscripts,
         targetSessionTranscripts: params.targetSessionTranscripts,
       }),
     };
@@ -86,7 +86,7 @@ export async function runMemoryTargetedSessionSync(params: {
     }
     return {
       handled: true,
-      sessionsDirty: params.sessionsDirtyFiles.size > 0,
+      sessionsDirty: params.dirtySessionTranscripts.size > 0,
     };
   }
 }
diff --git a/extensions/memory-core/src/memory/manager.ts b/extensions/memory-core/src/memory/manager.ts
index 79ed185a690..c18cc99068b 100644
--- a/extensions/memory-core/src/memory/manager.ts
+++ b/extensions/memory-core/src/memory/manager.ts
@@ -139,8 +139,8 @@ export class MemoryIndexManager extends MemoryManagerEmbeddingOps implements Mem
   protected closed = false;
   protected dirty = false;
   protected sessionsDirty = false;
-  protected sessionsDirtyFiles = new Set<string>();
-  protected sessionPendingFiles = new Set<string>();
+  protected dirtySessionTranscripts = new Set<string>();
+  protected pendingSessionTranscripts = new Set<string>();
   protected sessionDeltas = new Map<
     string,
     { lastSize: number; lastMessages: number; pendingBytes: number; pendingMessages: number }