diff --git a/apps/ai-game-creator-shell/src-tauri/src/commands.rs b/apps/ai-game-creator-shell/src-tauri/src/commands.rs
index 9e01b71b9..99eeb1fa9 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/commands.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/commands.rs
@@ -14,20 +14,10 @@ const UI_EDITOR_IMAGE_MAX_COUNT: usize = 100;
 const AGENT_EDITOR_ASSET_LIBRARY_MAX_ITEMS: usize = 500;
 const AGENT_EDITOR_ASSET_ID_MAX_CHARS: usize = 512;
 const AUTOMATIC_PROJECT_NAME_MAX_PROMPT_CHARS: usize = 8_000;
-const AUTOMATIC_PROJECT_NAME_MAX_ATTACHMENTS: usize = 20;
 const AUTOMATIC_PROJECT_NAME_MAX_OUTPUT_TOKENS: u32 = 64;
 const AUTOMATIC_PROJECT_NAME_SYSTEM_PROMPT: &str =
     include_str!("../prompts/automatic-project-name.md");
 
-// 自动命名只需要附件名称和媒体类型提示。保持独立的窄 DTO 并拒绝未知字段，
-// 避免把 Direct 回合附件中的本地路径、导入状态和文件大小引入无项目命名边界。
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq)]
-#[serde(rename_all = "camelCase", deny_unknown_fields)]
-pub(crate) struct AutomaticProjectNameAttachment {
-    pub(crate) name: String,
-    pub(crate) media_type: Option<String>,
-}
-
 fn is_chinese_project_name_character(value: char) -> bool {
     matches!(
         value,
@@ -49,51 +39,19 @@ pub(crate) fn normalize_suggested_project_name(value: &str) -> Option<String> {
     normalize_game_creation_project_name(value).ok()
 }
 
-pub(crate) fn build_automatic_project_name_prompt(
-    prompt: &str,
-    attachments: &[AutomaticProjectNameAttachment],
-) -> Result<String, String> {
+pub(crate) fn build_automatic_project_name_prompt(prompt: &str) -> Result<String, String> {
     let prompt = prompt.trim();
-    let mut attachment_lines = Vec::new();
-    for attachment in attachments
-        .iter()
-        .take(AUTOMATIC_PROJECT_NAME_MAX_ATTACHMENTS)
-    {
-        let name = attachment.name.trim();
-        if name.is_empty() || name.chars().any(char::is_control) {
-            continue;
-        }
-        let name: String = name.chars().take(160).collect();
-        let media_type = attachment
-            .media_type
-            .as_deref()
-            .map(str::trim)
-            .filter(|value| !value.is_empty() && !value.chars().any(char::is_control))
-            .map(|value| value.chars().take(80).collect::<String>());
-        attachment_lines.push(match media_type {
-            Some(media_type) => format!("- 附件：{name}（{media_type}）"),
-            None => format!("- 附件：{name}"),
-        });
-    }
-    if prompt.is_empty() && attachment_lines.is_empty() {
+    if prompt.is_empty() {
         return Err("首页创作需求为空，不能提炼项目名称".to_string());
     }
-    let bounded_prompt: String = prompt
+    Ok(prompt
         .chars()
         .take(AUTOMATIC_PROJECT_NAME_MAX_PROMPT_CHARS)
-        .collect();
-    Ok(match attachment_lines.is_empty() {
-        true => bounded_prompt,
-        false if prompt.is_empty() => attachment_lines.join("\n"),
-        false => format!("{bounded_prompt}\n{}", attachment_lines.join("\n")),
-    })
+        .collect())
 }
 
-async fn request_automatic_project_name(
-    prompt: &str,
-    attachments: &[AutomaticProjectNameAttachment],
-) -> Result<Option<String>, String> {
-    let user_prompt = build_automatic_project_name_prompt(prompt, attachments)?;
+async fn request_automatic_project_name(prompt: &str) -> Result<Option<String>, String> {
+    let user_prompt = build_automatic_project_name_prompt(prompt)?;
     let app_config = load_game_creator_app_config()?;
     if app_config.agent_mode == GAME_CREATOR_AGENT_MODE_CODEX_APP_SERVER {
         let reply = crate::agent::direct_game_creator_home_codex_chat(
@@ -1992,9 +1950,8 @@ pub(crate) fn check_game_creator_llm_config() -> GameCreatorLlmConfigStatus {
 #[tauri::command]
 pub(crate) async fn suggest_automatic_project_name(
     prompt: String,
-    attachments: Option<Vec<AutomaticProjectNameAttachment>>,
 ) -> Result<Option<String>, String> {
-    request_automatic_project_name(prompt.trim(), attachments.as_deref().unwrap_or_default())
+    request_automatic_project_name(prompt.trim())
         .await
         .map_err(|error| redact_agent_runtime_error(Path::new("."), &error, 320))
 }
diff --git a/apps/ai-game-creator-shell/src-tauri/src/tests/project.rs b/apps/ai-game-creator-shell/src-tauri/src/tests/project.rs
index 3dce6ada7..54f8eae14 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/tests/project.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/tests/project.rs
@@ -1649,31 +1649,21 @@ fn automatic_project_name_suggestions_are_normalized_fail_closed() {
 }
 
 #[test]
-fn automatic_project_name_prompt_is_bounded_and_uses_attachment_metadata_only() {
+fn automatic_project_name_prompt_is_bounded_and_uses_user_requirement_only() {
     let system_prompt = include_str!("../../prompts/automatic-project-name.md");
     assert!(system_prompt.contains("长度为 2 到 16 个字符"));
     assert!(system_prompt.contains("不要使用知名作品名、路径、URL、凭据、Markdown、引号或解释"));
 
-    let prompt = build_automatic_project_name_prompt(
-        "做一个在月球邮局送信的解谜游戏",
-        &[
-            AutomaticProjectNameAttachment {
-                name: " 月球邮局参考.png ".to_string(),
-                media_type: Some("image/png".to_string()),
-            },
-            AutomaticProjectNameAttachment {
-                name: "bad\nname".to_string(),
-                media_type: Some("image/png".to_string()),
-            },
-        ],
-    )
-    .expect("build prompt");
+    let prompt = build_automatic_project_name_prompt("做一个在月球邮局送信的解谜游戏")
+        .expect("build prompt");
 
-    assert!(prompt.contains("做一个在月球邮局送信的解谜游戏"));
-    assert!(prompt.contains("附件：月球邮局参考.png（image/png）"));
-    assert!(!prompt.contains("bad\nname"));
+    assert_eq!(prompt, "做一个在月球邮局送信的解谜游戏");
+    assert_eq!(
+        build_automatic_project_name_prompt(&"长".repeat(8_001)).expect("bound prompt"),
+        "长".repeat(8_000)
+    );
 
-    assert!(build_automatic_project_name_prompt("", &[]).is_err());
+    assert!(build_automatic_project_name_prompt("").is_err());
 }
 
 #[cfg(unix)]
diff --git a/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts b/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
index 59f6a7155..da4bbd7b2 100644
--- a/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
+++ b/apps/ai-game-creator-shell/src/features/app-shell/useHomeProjectCreation.ts
@@ -78,10 +78,6 @@ async function suggestAutomaticProjectName(
   try {
     return await invoke<string | null>('suggest_automatic_project_name', {
       prompt: draft.prompt,
-      attachments: draft.attachments.map((attachment) => ({
-        name: attachment.file.name,
-        mediaType: attachment.file.type || null,
-      })),
     });
   } catch {
     // 项目命名是增强能力：配置缺失、Provider 失败或非法输出都回退默认名，
diff --git a/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
index 9da686a9a..aadd02977 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
@@ -1490,12 +1490,6 @@ export function registerHomeProjectCreationTests() {
         if (command === 'suggest_automatic_project_name') {
           expect(args).toEqual({
             prompt: '按这个角色做游戏',
-            attachments: [
-              {
-                name: '角色参考.png',
-                mediaType: 'image/png',
-              },
-            ],
           });
           return '角色参考游戏';
         }