fix: preserve multimodal memory sync inputs

src/memory/index.test.ts

@@ -315,6 +315,26 @@ describe("memory index", () => {
     expect(audioResults.some((result) => result.path.endsWith("meeting.wav"))).toBe(true);
   });
 
+  it("indexes a multimodal extra path provided as a direct file path", async () => {
+    const mediaDir = path.join(workspaceDir, "media-single-file");
+    const imagePath = path.join(mediaDir, "diagram.png");
+    await fs.mkdir(mediaDir, { recursive: true });
+    await fs.writeFile(imagePath, Buffer.from("png"));
+
+    const cfg = createCfg({
+      storePath: path.join(workspaceDir, `index-multimodal-file-${randomUUID()}.sqlite`),
+      provider: "gemini",
+      model: "gemini-embedding-2-preview",
+      extraPaths: [imagePath],
+      multimodal: { enabled: true, modalities: ["image"] },
+    });
+    const manager = await getPersistentManager(cfg);
+    await manager.sync({ reason: "test" });
+
+    const imageResults = await manager.search("image");
+    expect(imageResults.some((result) => result.path.endsWith("diagram.png"))).toBe(true);
+  });
+
   it("skips oversized multimodal inputs without aborting sync", async () => {
     const mediaDir = path.join(workspaceDir, "media-oversize");
     await fs.mkdir(mediaDir, { recursive: true });

src/memory/manager-sync-ops.ts

@@ -3,7 +3,7 @@ import fsSync from "node:fs";
 import fs from "node:fs/promises";
 import path from "node:path";
 import type { DatabaseSync } from "node:sqlite";
-import chokidar, { FSWatcher } from "chokidar";
+import chokidar from "chokidar";
 import { resolveAgentDir } from "../agents/agent-scope.js";
 import { ResolvedMemorySearchConfig } from "../agents/memory-search.js";
 import { type OpenClawConfig } from "../config/config.js";
@@ -35,6 +35,11 @@ import {
 } from "./internal.js";
 import { type MemoryFileEntry } from "./internal.js";
 import { ensureMemoryIndexSchema } from "./memory-schema.js";
+import {
+  buildCaseInsensitiveExtensionGlob,
+  getMemoryMultimodalExtensions,
+  isMemoryMultimodalEnabled,
+} from "./multimodal.js";
 import type { SessionFileEntry } from "./session-files.js";
 import {
   buildSessionEntry,
@@ -62,6 +67,11 @@ type MemorySyncProgressState = {
   report: (update: MemorySyncProgressUpdate) => void;
 };
 
+type MemoryWatcher = {
+  on(event: "add" | "change" | "unlink", listener: () => void): unknown;
+  close(): Promise<void>;
+};
+
 const META_KEY = "memory_index_meta_v1";
 const VECTOR_TABLE = "chunks_vec";
 const FTS_TABLE = "chunks_fts";
@@ -121,7 +131,7 @@ export abstract class MemoryManagerSyncOps {
     loadError?: string;
   } = { enabled: false, available: false };
   protected vectorReady: Promise<boolean> | null = null;
-  protected watcher: FSWatcher | null = null;
+  protected watcher: MemoryWatcher | null = null;
   protected watchTimer: NodeJS.Timeout | null = null;
   protected sessionWatchTimer: NodeJS.Timeout | null = null;
   protected sessionUnsubscribe: (() => void) | null = null;
@@ -384,9 +394,27 @@ export abstract class MemoryManagerSyncOps {
         }
         if (stat.isDirectory()) {
           watchPaths.add(path.join(entry, "**", "*.md"));
+          if (isMemoryMultimodalEnabled(this.settings.multimodal)) {
+            for (const modality of this.settings.multimodal.modalities) {
+              for (const extension of getMemoryMultimodalExtensions(modality)) {
+                watchPaths.add(
+                  path.join(entry, "**", buildCaseInsensitiveExtensionGlob(extension)),
+                );
+              }
+            }
+          }
           continue;
         }
-        if (stat.isFile() && entry.toLowerCase().endsWith(".md")) {
+        if (
+          stat.isFile() &&
+          (entry.toLowerCase().endsWith(".md") ||
+            (isMemoryMultimodalEnabled(this.settings.multimodal) &&
+              this.settings.multimodal.modalities.some((modality) =>
+                getMemoryMultimodalExtensions(modality).some((extension) =>
+                  entry.toLowerCase().endsWith(extension),
+                ),
+              )))
+        ) {
           watchPaths.add(entry);
         }
       } catch {
@@ -650,9 +678,15 @@ export abstract class MemoryManagerSyncOps {
       return;
     }
 
-    const files = await listMemoryFiles(this.workspaceDir, this.settings.extraPaths);
+    const files = await listMemoryFiles(
+      this.workspaceDir,
+      this.settings.extraPaths,
+      this.settings.multimodal,
+    );
     const fileEntries = (
-      await Promise.all(files.map(async (file) => buildFileEntry(file, this.workspaceDir)))
+      await Promise.all(
+        files.map(async (file) => buildFileEntry(file, this.workspaceDir, this.settings.multimodal)),
+      )
     ).filter((entry): entry is MemoryFileEntry => entry !== null);
     log.debug("memory sync: indexing memory files", {
       files: fileEntries.length,