diff --git a/src/components/agent/chat/components/Inputbar/index.tsx b/src/components/agent/chat/components/Inputbar/index.tsx
index bf12dadb1..39c3d7f39 100644
--- a/src/components/agent/chat/components/Inputbar/index.tsx
+++ b/src/components/agent/chat/components/Inputbar/index.tsx
@@ -703,7 +703,6 @@ export const Inputbar: React.FC<InputbarProps> = ({
         isComposing?: boolean;
       };
       if (
-        e.isComposing ||
         nativeEvent.isComposing ||
         nativeEvent.key === "Process" ||
         nativeEvent.keyCode === 229
diff --git a/src/components/agent/chat/hooks/useAsterAgentChat.test.tsx b/src/components/agent/chat/hooks/useAsterAgentChat.test.tsx
index 944832d57..1b987f278 100644
--- a/src/components/agent/chat/hooks/useAsterAgentChat.test.tsx
+++ b/src/components/agent/chat/hooks/useAsterAgentChat.test.tsx
@@ -37,7 +37,7 @@ const {
     info: vi.fn(),
     warning: vi.fn(),
   },
-  mockParseSkillSlashCommand: vi.fn(() => null),
+  mockParseSkillSlashCommand: vi.fn((): { skillName: string; userInput: string } | null => null),
   mockTryExecuteSlashSkillCommand: vi.fn(async () => false),
 }));
 
diff --git a/src/components/agent/chat/hooks/useTopicBranchBoard.test.tsx b/src/components/agent/chat/hooks/useTopicBranchBoard.test.tsx
index 27382dfff..dee735753 100644
--- a/src/components/agent/chat/hooks/useTopicBranchBoard.test.tsx
+++ b/src/components/agent/chat/hooks/useTopicBranchBoard.test.tsx
@@ -63,7 +63,7 @@ function Probe({
 
 describe("useTopicBranchBoard", () => {
   it("当前话题应自动为进行中", async () => {
-    let snapshot: ReturnType<typeof useTopicBranchBoard> | null = null;
+    let snapshot = null as ReturnType<typeof useTopicBranchBoard> | null;
     const container = document.createElement("div");
     document.body.appendChild(container);
     const root = createRoot(container);
@@ -82,12 +82,12 @@ describe("useTopicBranchBoard", () => {
       );
     });
 
-    const current = snapshot?.branchItems.find((item) => item.id === "topic-a");
+    const current = snapshot?.branchItems.find((item: { id: string }) => item.id === "topic-a");
     expect(current?.status).toBe("in_progress");
   });
 
   it("应允许手动设置分支状态", async () => {
-    let snapshot: ReturnType<typeof useTopicBranchBoard> | null = null;
+    let snapshot = null as ReturnType<typeof useTopicBranchBoard> | null;
     const container = document.createElement("div");
     document.body.appendChild(container);
     const root = createRoot(container);
@@ -110,7 +110,7 @@ describe("useTopicBranchBoard", () => {
       snapshot?.setTopicStatus("topic-b", "merged");
     });
 
-    const merged = snapshot?.branchItems.find((item) => item.id === "topic-b");
+    const merged = snapshot?.branchItems.find((item: { id: string }) => item.id === "topic-b");
     expect(merged?.status).toBe("merged");
   });
 
@@ -123,7 +123,7 @@ describe("useTopicBranchBoard", () => {
       }),
     );
 
-    let snapshot: ReturnType<typeof useTopicBranchBoard> | null = null;
+    let snapshot = null as ReturnType<typeof useTopicBranchBoard> | null;
     const container = document.createElement("div");
     document.body.appendChild(container);
     const root = createRoot(container);
@@ -142,14 +142,14 @@ describe("useTopicBranchBoard", () => {
       );
     });
 
-    const current = snapshot?.branchItems.find((item) => item.id === "topic-a");
-    const merged = snapshot?.branchItems.find((item) => item.id === "topic-b");
+    const current = snapshot?.branchItems.find((item: { id: string }) => item.id === "topic-a");
+    const merged = snapshot?.branchItems.find((item: { id: string }) => item.id === "topic-b");
     expect(current?.status).toBe("in_progress");
     expect(merged?.status).toBe("merged");
   });
 
   it("外部托管模式应回调状态变更", async () => {
-    let snapshot: ReturnType<typeof useTopicBranchBoard> | null = null;
+    let snapshot = null as ReturnType<typeof useTopicBranchBoard> | null;
     let controlledMap: Record<string, "in_progress" | "pending" | "merged" | "candidate"> = {
       "topic-a": "in_progress",
       "topic-b": "candidate",
diff --git a/src/components/agent/chat/index.tsx b/src/components/agent/chat/index.tsx
index dd0439590..8fbc7153e 100644
--- a/src/components/agent/chat/index.tsx
+++ b/src/components/agent/chat/index.tsx
@@ -310,7 +310,7 @@ interface HandleSendObserver {
 
 interface HandleSendOptions {
   skipThemeSkillPrefix?: boolean;
-  purpose?: "content_review";
+  purpose?: "content_review" | "text_stylize";
   observer?: HandleSendObserver;
 }
 
@@ -3690,12 +3690,17 @@ export function AgentChatPage({
           return;
         }
 
-        const filePath = typeof selected === "string" ? selected : selected.path;
+        const filePath = selected;
         if (!filePath) {
           toast.error("未选择文件");
           return;
         }
 
+        if (!sessionId) {
+          toast.error("会话未就绪");
+          return;
+        }
+
         toast.info("正在上传图片...");
 
         // 上传图片到会话
@@ -3742,7 +3747,7 @@ export function AgentChatPage({
         return;
       }
 
-      const filePath = typeof selected === "string" ? selected : selected.path;
+      const filePath = selected;
       if (!filePath) {
         toast.error("未选择文件");
         return;
@@ -4581,14 +4586,16 @@ export function AgentChatPage({
         return;
       }
 
+      const fileContent = file.content ?? "";
+
       setCanvasState((prev) => {
         // 音乐主题：解析歌词并更新 sections
         if (mappedTheme === "music") {
-          const sections = parseLyrics(file.content);
+          const sections = parseLyrics(fileContent);
           if (!prev || prev.type !== "music") {
             const musicState = createInitialMusicState();
             musicState.sections = sections;
-            const titleMatch = file.content.match(/^#\s*(.+)$/m);
+            const titleMatch = fileContent.match(/^#\s*(.+)$/m);
             if (titleMatch) {
               musicState.spec.title = titleMatch[1].trim();
             }
@@ -4598,16 +4605,16 @@ export function AgentChatPage({
         }
 
         if (mappedTheme === "novel") {
-          return upsertNovelCanvasState(prev, file.content);
+          return upsertNovelCanvasState(prev, fileContent);
         }
 
         // 文档类型画布
         if (!prev || prev.type !== "document") {
-          return createInitialDocumentState(file.content);
+          return createInitialDocumentState(fileContent);
         }
         return {
           ...prev,
-          content: file.content,
+          content: fileContent,
         };
       });
       // 只打开画布，不关闭文件列表（让用户自己关闭）
@@ -5267,7 +5274,6 @@ export function AgentChatPage({
     }
 
     const shouldShowCanvasLoadingState =
-      renderCanvasTheme !== "general" &&
       ((!canvasState &&
         (shouldBootstrapCanvasOnEntry ||
           isInitialContentLoading ||
diff --git a/src/components/agent/chat/types.ts b/src/components/agent/chat/types.ts
index 56f513f76..ef8e93e2d 100644
--- a/src/components/agent/chat/types.ts
+++ b/src/components/agent/chat/types.ts
@@ -103,7 +103,7 @@ export interface Message {
   /** 上下文准备轨迹（可选） */
   contextTrace?: ContextTraceStep[];
   /** 消息用途（用于跳过特定副作用） */
-  purpose?: "content_review";
+  purpose?: "content_review" | "text_stylize";
 }
 
 export interface ChatSession {
diff --git a/src/components/content-creator/canvas/document/editor/NotionEditor.tsx b/src/components/content-creator/canvas/document/editor/NotionEditor.tsx
index 0c8339dff..d329ea0e0 100644
--- a/src/components/content-creator/canvas/document/editor/NotionEditor.tsx
+++ b/src/components/content-creator/canvas/document/editor/NotionEditor.tsx
@@ -223,7 +223,7 @@ const NotionEditorCore = forwardRef<NotionEditorHandle, NotionEditorProps>(
 
       clearIdleCommitTimer();
       const nextHtml = markdownToHtml(content);
-      editor.commands.setContent(nextHtml, false);
+      editor.commands.setContent(nextHtml, { emitUpdate: false });
       lastCommittedContentRef.current = content;
       dirtyRef.current = false;
       handledExternalInsertRef.current = null;
diff --git a/src/components/content-creator/canvas/novel/NovelCanvas.tsx b/src/components/content-creator/canvas/novel/NovelCanvas.tsx
index 9eaa2a291..50b321df4 100644
--- a/src/components/content-creator/canvas/novel/NovelCanvas.tsx
+++ b/src/components/content-creator/canvas/novel/NovelCanvas.tsx
@@ -616,7 +616,7 @@ export const NovelCanvas: React.FC<NovelCanvasProps> = memo(
                   <NotionEditor
                     key={editorKey}
                     content={currentChapter.content}
-                    onChange={handleUpdateChapter}
+                    onCommit={handleUpdateChapter}
                     onSave={handleToggleStatus}
                     onCancel={() => {}}
                     onSelectionTextChange={onSelectionTextChange}
diff --git a/src/components/input-kit/BaseComposer.tsx b/src/components/input-kit/BaseComposer.tsx
index 646d7d2d4..54d09c548 100644
--- a/src/components/input-kit/BaseComposer.tsx
+++ b/src/components/input-kit/BaseComposer.tsx
@@ -92,8 +92,7 @@ export const BaseComposer: React.FC<BaseComposerProps> = ({
         isComposing?: boolean;
       };
       return Boolean(
-        event.isComposing ||
-          nativeEvent.isComposing ||
+        nativeEvent.isComposing ||
           nativeEvent.key === "Process" ||
           nativeEvent.keyCode === 229,
       );
diff --git a/src/components/workspace/hooks/useCreationDialogs.test.tsx b/src/components/workspace/hooks/useCreationDialogs.test.tsx
index 92ded3d42..48054baf9 100644
--- a/src/components/workspace/hooks/useCreationDialogs.test.tsx
+++ b/src/components/workspace/hooks/useCreationDialogs.test.tsx
@@ -589,7 +589,7 @@ describe("useCreationDialogs", () => {
     expect(loadContents).not.toHaveBeenCalled();
     expect(onEnterWorkspace).not.toHaveBeenCalledWith("content-new", {});
 
-    resolveCreateContent?.({ id: "content-new" });
+    (resolveCreateContent as ((value: { id: string }) => void) | null)?.({ id: "content-new" });
     await flushEffects(6);
 
     expect(loadContents).toHaveBeenCalledWith("project-1");
diff --git a/src/components/workspace/services/createConfirmationService.test.ts b/src/components/workspace/services/createConfirmationService.test.ts
index a27affac6..861dab2b5 100644
--- a/src/components/workspace/services/createConfirmationService.test.ts
+++ b/src/components/workspace/services/createConfirmationService.test.ts
@@ -64,7 +64,7 @@ describe("createConfirmationService", () => {
     }
     expect(result.decision.type).toBe("continue_history");
     expect(result.decision.initialUserPrompt).toContain("大纲");
-    expect(result.decision.preferredContentId).toBe("content-2");
+    expect((result.decision as Extract<typeof result.decision, { type: "continue_history" }>).preferredContentId).toBe("content-2");
   });
 
   it("resolveCreateConfirmationDecision 新建时应返回 create_new", () => {