diff --git a/apps/memos-local-plugin/adapters/deepseek-harness/host-llm.ts b/apps/memos-local-plugin/adapters/deepseek-harness/host-llm.ts
index a755efb98..cd530d715 100644
--- a/apps/memos-local-plugin/adapters/deepseek-harness/host-llm.ts
+++ b/apps/memos-local-plugin/adapters/deepseek-harness/host-llm.ts
@@ -366,7 +366,7 @@ function toDshMessage(
   if (message.role === "user") {
     return createUserMessage({
       content,
-      source: { kind: "plugin", plugin: HOST_LLM_MESSAGE_SOURCE },
+      source: { kind: `plugin:${HOST_LLM_MESSAGE_SOURCE}` },
     });
   }
   return createAssistantMessage({
diff --git a/apps/memos-local-plugin/adapters/deepseek-harness/index.ts b/apps/memos-local-plugin/adapters/deepseek-harness/index.ts
index bc63ba5d6..757afd275 100644
--- a/apps/memos-local-plugin/adapters/deepseek-harness/index.ts
+++ b/apps/memos-local-plugin/adapters/deepseek-harness/index.ts
@@ -387,8 +387,7 @@ export async function apply(
       createRecallMessage: (text) => createUserMessage({
         content: [{ type: "text", text }],
         source: {
-          kind: "plugin",
-          plugin: DEEPSEEK_HARNESS_PLUGIN,
+          kind: `plugin:${DEEPSEEK_HARNESS_PLUGIN}`,
           form: "recall",
         },
       }) as unknown as DshUserMessageLike,
diff --git a/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-bridge.test.ts b/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-bridge.test.ts
index 4c5404365..b2740e935 100644
--- a/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-bridge.test.ts
+++ b/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-bridge.test.ts
@@ -24,8 +24,7 @@ function recallMessage(text: string): DshUserMessageLike {
     role: "user",
     content: [{ type: "text", text }],
     source: {
-      kind: "plugin",
-      plugin: "memos-local-memory",
+      kind: "plugin:memos-local-memory",
       form: "recall",
     },
   };
@@ -539,8 +538,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(first.messages[1]).toMatchObject({
       role: "user",
       source: {
-        kind: "plugin",
-        plugin: "memos-local-memory",
+        kind: "plugin:memos-local-memory",
         form: "recall",
       },
       content: [{
@@ -553,7 +551,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(followUp).toMatchObject({
       kind: "enter",
       messages: [followUpPrompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
   });
@@ -590,7 +588,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(result).toMatchObject({
       kind: "enter",
       messages: [prompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
     expect(core.searchMemory).toHaveBeenCalledTimes(1);
@@ -637,7 +635,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(result).toMatchObject({
       kind: "enter",
       messages: [prompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
   });
@@ -682,7 +680,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(result).toMatchObject({
       kind: "enter",
       messages: [prompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
     expect(core.searchMemory).toHaveBeenCalledTimes(1);
@@ -836,7 +834,7 @@ describe("DeepSeek Harness bridge", () => {
     expect(result).toMatchObject({
       kind: "enter",
       messages: [retry, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
 
@@ -959,7 +957,7 @@ describe("DeepSeek Harness bridge", () => {
     await expect(nextStep).resolves.toMatchObject({
       kind: "enter",
       messages: [secondPrompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
     expect(core.searchMemory).toHaveBeenCalledTimes(2);
@@ -1037,7 +1035,7 @@ describe("DeepSeek Harness bridge", () => {
     await expect(nextStep).resolves.toMatchObject({
       kind: "enter",
       messages: [secondPrompt, expect.objectContaining({
-        source: expect.objectContaining({ plugin: "memos-local-memory" }),
+        source: expect.objectContaining({ kind: "plugin:memos-local-memory" }),
       })],
     });
     expect(core.searchMemory).toHaveBeenCalledTimes(2);
diff --git a/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-host-llm.test.ts b/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-host-llm.test.ts
index 493fba9e7..ef1f37c26 100644
--- a/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-host-llm.test.ts
+++ b/apps/memos-local-plugin/tests/unit/adapters/deepseek-harness-host-llm.test.ts
@@ -176,7 +176,7 @@ describe("DeepSeek Harness host LLM bridge", () => {
         {
           role: "user",
           content: [{ type: "text", text: "Question" }],
-          source: { kind: "plugin", plugin: "memos-local-memory" },
+          source: { kind: "plugin:memos-local-memory" },
         },
         {
           role: "assistant",