Merge branch 'master' into fix/ref-persistent

校验 inline 附件名称和媒体类型的控制字符、格式与长度。

共享附件清洗上限常量并补充异常元数据拒绝测试。

apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server/mod.rs

@@ -1133,7 +1133,6 @@ fn direct_codex_thread_delta_event(
 ) -> DirectThreadEvent {
     DirectThreadEvent::item_delta(item_id, kind, direct_thread_delta_text(root, delta))
 }
-
 /// 通知 → 回合事件的唯一分类函数：运行态读取器与单测共用这一份。
 ///
 /// 读取器只负责"必须有 turnId 才处理"的前置条件与节流（活动 / 正文），分类不在这里之外

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_attachments.rs

@@ -2,9 +2,9 @@
 //! 有项目路径或导入状态时输出路径映射；否则保持首页元数据文案。不灌正文。
 
 pub(crate) const MAX_DIRECT_CODEX_ATTACHMENTS: usize = 8;
-const MAX_DIRECT_CODEX_ATTACHMENT_NAME_CHARS: usize = 160;
-const MAX_DIRECT_CODEX_ATTACHMENT_MEDIA_TYPE_CHARS: usize = 96;
-const MAX_DIRECT_CODEX_ATTACHMENT_LOCAL_PATH_CHARS: usize = 512;
+pub(crate) const MAX_DIRECT_CODEX_ATTACHMENT_NAME_CHARS: usize = 160;
+pub(crate) const MAX_DIRECT_CODEX_ATTACHMENT_MEDIA_TYPE_CHARS: usize = 96;
+pub(crate) const MAX_DIRECT_CODEX_ATTACHMENT_LOCAL_PATH_CHARS: usize = 512;
 
 const HOME_ATTACHMENT_HEADER: &str =
     "[首页附件说明：当前尚未打开项目，以下仅为附件元数据，附件内容尚不可读取]";

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/mod.rs

@@ -5,8 +5,8 @@ mod validation;
 mod wire;
 
 pub(crate) use model::{
-    DirectCodexUserContentPart, DirectCodexUserItem, DirectCodexUserMessageItem,
-    DirectCodexUserRole, DirectCodexUserRuntimeRegionPart,
+    DirectCodexUserAttachmentReferencePart, DirectCodexUserContentPart, DirectCodexUserItem,
+    DirectCodexUserMessageItem, DirectCodexUserRole, DirectCodexUserRuntimeRegionPart,
 };
 pub(crate) use validation::validate_direct_codex_user_item;
 pub(crate) use wire::{

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/model.rs

@@ -36,6 +36,21 @@ pub(crate) enum DirectCodexUserContentPart {
     AgcResourceReference { resource_id: String },
     #[serde(rename = "agc_runtime_region_reference")]
     AgcRuntimeRegionReference(DirectCodexUserRuntimeRegionPart),
+    /// Uploaded project attachment kept inline in canonical content.
+    #[serde(rename = "agc_attachment_reference")]
+    AgcAttachmentReference(DirectCodexUserAttachmentReferencePart),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, TS)]
+#[serde(rename_all = "camelCase", deny_unknown_fields)]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/features/project-workspace/generated/"))]
+pub(crate) struct DirectCodexUserAttachmentReferencePart {
+    pub(crate) name: String,
+    pub(crate) media_type: String,
+    #[ts(type = "number")]
+    pub(crate) size: u64,
+    pub(crate) local_path: String,
+    pub(crate) status: String,
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize, TS)]

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/validation.rs

@@ -4,6 +4,8 @@ use super::model::{
 };
 use crate::agent::{
     read_manifest_for_project, sanitize_attachment_local_path, GameCreationAppManifest,
+    MAX_DIRECT_CODEX_ATTACHMENTS, MAX_DIRECT_CODEX_ATTACHMENT_MEDIA_TYPE_CHARS,
+    MAX_DIRECT_CODEX_ATTACHMENT_NAME_CHARS,
 };
 use std::path::Path;
 
@@ -20,18 +22,17 @@ pub(crate) fn validate_direct_codex_user_item(
     if message.id.trim().is_empty() {
         return Err("DirectProject user item 缺少稳定 id".to_string());
     }
-    if message.content.is_empty() {
+    // 有效输入只判一整条 content：单个纯空白 `input_text` 是合法 part —— 编辑器里的段落
+    // 分隔、软换行与 chip 后的分隔空格就是这样落进 canonical content 的，前端不为它过滤。
+    if !content_has_meaningful_input(&message.content) {
         return Err("DirectProject user item content 不能为空".to_string());
     }
     let manifest = read_manifest_for_project(root)?;
     let mut reference_count = 0usize;
+    let mut attachment_count = 0usize;
     for part in &message.content {
         match part {
-            DirectCodexUserContentPart::InputText { text } => {
-                if text.trim().is_empty() {
-                    return Err("DirectProject input_text 不能为空".to_string());
-                }
-            }
+            DirectCodexUserContentPart::InputText { .. } => {}
             DirectCodexUserContentPart::AgcResourceReference { resource_id } => {
                 reference_count = reference_count.saturating_add(1);
                 validate_resource_id_and_manifest(&manifest, resource_id)?;
@@ -40,6 +41,44 @@ pub(crate) fn validate_direct_codex_user_item(
                 reference_count = reference_count.saturating_add(1);
                 validate_runtime_region_reference(&manifest, reference)?;
             }
+            DirectCodexUserContentPart::AgcAttachmentReference(reference) => {
+                attachment_count = attachment_count.saturating_add(1);
+                if attachment_count > MAX_DIRECT_CODEX_ATTACHMENTS {
+                    return Err(format!(
+                        "一次最多携带 {MAX_DIRECT_CODEX_ATTACHMENTS} 个附件"
+                    ));
+                }
+                if reference.name.trim().is_empty() {
+                    return Err("附件缺少文件名".to_string());
+                }
+                let name = reference.name.trim();
+                if name.chars().count() > MAX_DIRECT_CODEX_ATTACHMENT_NAME_CHARS
+                    || name.chars().any(char::is_control)
+                {
+                    return Err("附件文件名无效或过长".to_string());
+                }
+                let media_type = reference.media_type.trim();
+                if media_type.is_empty()
+                    || media_type.chars().count() > MAX_DIRECT_CODEX_ATTACHMENT_MEDIA_TYPE_CHARS
+                    || media_type.chars().any(|character| {
+                        !(character.is_ascii_alphanumeric()
+                            || matches!(character, '/' | '+' | '-' | '.' | '_'))
+                    })
+                {
+                    return Err("附件媒体类型无效或过长".to_string());
+                }
+                let status = reference.status.trim();
+                if status == "imported" && reference.local_path.trim().is_empty() {
+                    return Err("已导入附件缺少项目路径".to_string());
+                }
+                if !reference.local_path.trim().is_empty() {
+                    sanitize_attachment_local_path(&reference.local_path)
+                        .ok_or_else(|| "附件项目路径无效".to_string())?;
+                }
+                if !matches!(status, "imported" | "failed") {
+                    return Err("附件状态无效".to_string());
+                }
+            }
         }
     }
     if reference_count > MAX_DIRECT_CODEX_REFERENCES {
@@ -48,6 +87,14 @@ pub(crate) fn validate_direct_codex_user_item(
     Ok(())
 }
 
+/// 整条 content 是否还有有效输入：任何一段非空白文本、或任何一个非文本 part 都算。
+pub(crate) fn content_has_meaningful_input(content: &[DirectCodexUserContentPart]) -> bool {
+    content.iter().any(|part| match part {
+        DirectCodexUserContentPart::InputText { text } => !text.trim().is_empty(),
+        _ => true,
+    })
+}
+
 pub(crate) fn validate_resource_id_and_manifest(
     manifest: &GameCreationAppManifest,
     resource_id: &str,
@@ -86,3 +133,150 @@ fn validate_runtime_region_reference(
     }
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::{content_has_meaningful_input, validate_direct_codex_user_item};
+    use crate::agent::direct_codex_user_item::model::DirectCodexUserContentPart;
+    use serde_json::json;
+
+    fn input_text(text: &str) -> DirectCodexUserContentPart {
+        DirectCodexUserContentPart::InputText {
+            text: text.to_string(),
+        }
+    }
+
+    #[test]
+    fn only_all_blank_content_counts_as_empty_input() {
+        // 空数组与「整条只有空白」是同一种空输入。
+        assert!(!content_has_meaningful_input(&[]));
+        assert!(!content_has_meaningful_input(&[input_text(" \n ")]));
+        assert!(!content_has_meaningful_input(&[
+            input_text("\n"),
+            input_text("  "),
+        ]));
+    }
+
+    #[test]
+    fn whitespace_parts_are_valid_next_to_meaningful_input() {
+        // 段落分隔 / 软换行 / chip 后的分隔空格都是合法的单个 part。
+        assert!(content_has_meaningful_input(&[
+            input_text("\n"),
+            input_text("看"),
+        ]));
+        assert!(content_has_meaningful_input(&[
+            input_text("看"),
+            input_text("\n\n"),
+        ]));
+    }
+
+    #[test]
+    fn non_text_parts_always_count_as_input() {
+        assert!(content_has_meaningful_input(&[
+            DirectCodexUserContentPart::AgcResourceReference {
+                resource_id: "asset-hero".to_string(),
+            },
+        ]));
+    }
+
+    #[test]
+    fn inline_attachment_count_is_bounded_independently() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "validation-test", "校验测试")
+            .expect("init project");
+        let content = (0..=crate::agent::MAX_DIRECT_CODEX_ATTACHMENTS)
+            .map(|index| {
+                json!({
+                    "type": "agc_attachment_reference",
+                    "name": format!("attachment-{index}.txt"),
+                    "mediaType": "text/plain",
+                    "size": 1,
+                    "localPath": "",
+                    "status": "failed"
+                })
+            })
+            .collect::<Vec<_>>();
+        let item = serde_json::from_value(json!({
+            "type": "message",
+            "role": "user",
+            "content": content,
+            "id": "turn-1:user"
+        }))
+        .expect("deserialize user item");
+        let error = validate_direct_codex_user_item(root.path(), &item)
+            .expect_err("too many inline attachments must be rejected");
+        assert!(error.contains("最多携带"), "{error}");
+    }
+
+    #[test]
+    fn imported_attachment_requires_a_project_path() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "validation-test", "校验测试")
+            .expect("init project");
+        let item = serde_json::from_value(json!({
+            "type": "message",
+            "role": "user",
+            "content": [{
+                "type": "agc_attachment_reference",
+                "name": "attachment.txt",
+                "mediaType": "text/plain",
+                "size": 1,
+                "localPath": "",
+                "status": "imported"
+            }],
+            "id": "turn-1:user"
+        }))
+        .expect("deserialize user item");
+        let error = validate_direct_codex_user_item(root.path(), &item)
+            .expect_err("imported attachment without a project path must fail");
+        assert!(error.contains("缺少项目路径"), "{error}");
+    }
+
+    #[test]
+    fn attachment_name_and_media_type_are_bounded_and_well_formed() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "validation-test", "校验测试")
+            .expect("init project");
+        let long_name = "a".repeat(crate::agent::MAX_DIRECT_CODEX_ATTACHMENT_NAME_CHARS + 1);
+        let cases = [
+            (
+                json!({
+                    "name": "bad\nname.txt",
+                    "mediaType": "text/plain"
+                }),
+                "文件名",
+            ),
+            (
+                json!({
+                    "name": "ok.txt",
+                    "mediaType": "text/plain\nsecret"
+                }),
+                "媒体类型",
+            ),
+            (
+                json!({
+                    "name": long_name,
+                    "mediaType": "text/plain"
+                }),
+                "文件名",
+            ),
+        ];
+        for (metadata, expected) in cases {
+            let mut value = metadata;
+            value["type"] = json!("agc_attachment_reference");
+            value["size"] = json!(1);
+            value["localPath"] = json!("");
+            value["status"] = json!("failed");
+            let item = serde_json::from_value(json!({
+                "type": "message",
+                "role": "user",
+                "content": [value],
+                "id": "turn-1:user"
+            }))
+            .expect("deserialize user item");
+            let error = validate_direct_codex_user_item(root.path(), &item)
+                .expect_err("invalid attachment metadata must fail");
+            assert!(error.contains(expected), "{error}");
+        }
+    }
+}

apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs

@@ -1,6 +1,9 @@
 use super::model::{DirectCodexUserContentPart, DirectCodexUserItem};
 use super::validation::validate_direct_codex_user_item;
-use crate::agent::{read_manifest_for_project, sanitize_attachment_local_path};
+use crate::agent::{
+    read_manifest_for_project, sanitize_attachment_local_path, sanitize_attachment_media_type,
+    sanitize_attachment_name,
+};
 use serde_json::Value;
 use std::path::Path;
 
@@ -100,6 +103,21 @@ pub(crate) fn direct_codex_user_item_to_wire_input(
                 summary.push(']');
                 summary
             }
+            DirectCodexUserContentPart::AgcAttachmentReference(reference) => {
+                let name = sanitize_attachment_name(&reference.name);
+                let media_type = sanitize_attachment_media_type(&reference.media_type);
+                let local_path = sanitize_attachment_local_path(&reference.local_path);
+                let mut summary = format!(
+                    "[附件：名称={}；类型={}；大小={} 字节",
+                    name, media_type, reference.size
+                );
+                if let Some(local_path) = local_path {
+                    summary.push_str(&format!("；项目路径={local_path}"));
+                }
+                summary.push_str(&format!("；状态={}", reference.status.trim()));
+                summary.push(']');
+                summary
+            }
         };
         input.push(serde_json::json!({ "type": "text", "text": text }));
     }
@@ -130,7 +148,8 @@ pub(crate) fn direct_codex_user_item_to_prompt(
 
 #[cfg(test)]
 mod tests {
-    use super::direct_codex_user_item_to_response_item;
+    use super::{direct_codex_user_item_to_response_item, direct_codex_user_item_to_wire_input};
+    use crate::agent::direct_codex_user_item::model::DirectCodexUserItem;
     use serde_json::json;
     use std::path::Path;
 
@@ -174,4 +193,99 @@ mod tests {
         .expect_err("history item without type must fail");
         assert!(error.contains("缺少 type"), "{error}");
     }
+
+    #[test]
+    fn attachment_parts_remain_in_canonical_order_when_projected() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "wire-test", "wire 投影测试")
+            .expect("init project");
+        let item = json!({
+            "type": "message",
+            "role": "user",
+            "id": "turn-1:user",
+            "content": [
+                {"type": "input_text", "text": "先看"},
+                {"type": "agc_attachment_reference", "name": "notes.txt", "mediaType": "text/plain", "size": 4, "localPath": "assets/notes.txt", "status": "imported"}
+            ]
+        });
+        let projected = direct_codex_user_item_to_response_item(root.path(), &item)
+            .expect("user response item should project");
+        let content = projected["content"].as_array().expect("content array");
+        assert_eq!(content.len(), 2);
+        assert!(content[0]["text"].as_str().unwrap().contains("先看"));
+        assert!(content[1]["text"].as_str().unwrap().contains("notes.txt"));
+    }
+
+    #[test]
+    fn attachment_metadata_is_sanitized_before_prompt_projection() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "wire-test", "wire 投影测试")
+            .expect("init project");
+        let item = json!({
+            "type": "message",
+            "role": "user",
+            "id": "turn-1:user",
+            "content": [{
+                "type": "agc_attachment_reference",
+                "name": "C:\\tmp\\notes.md",
+                "mediaType": "text/plain",
+                "size": 4,
+                "localPath": "assets\\.\\notes.txt",
+                "status": "imported"
+            }]
+        });
+        let wire = super::direct_codex_user_item_to_wire_input(
+            root.path(),
+            &serde_json::from_value(item).expect("deserialize user item"),
+        )
+        .expect("attachment metadata should project");
+        let text = wire[0]["text"].as_str().expect("wire text");
+        assert!(text.contains("名称=notes.md"), "{text}");
+        assert!(text.contains("类型=text/plain"), "{text}");
+        assert!(text.contains("项目路径=assets/notes.txt"), "{text}");
+    }
+
+    #[test]
+    fn whitespace_only_text_parts_survive_validation() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "wire-test", "wire 投影测试")
+            .expect("init project");
+        let item: DirectCodexUserItem = serde_json::from_value(json!({
+            "type": "message",
+            "role": "user",
+            "id": "turn-1:user",
+            "content": [
+                {"type": "input_text", "text": "先看"},
+                {"type": "input_text", "text": "\n"},
+                {"type": "input_text", "text": "   "}
+            ]
+        }))
+        .expect("deserialize user item");
+        let wire = direct_codex_user_item_to_wire_input(root.path(), &item)
+            .expect("whitespace-only part next to real text must pass");
+        let parts = wire.as_array().expect("wire input array");
+        assert_eq!(parts.len(), 3);
+        assert_eq!(parts[1]["text"].as_str(), Some("\n"));
+        assert_eq!(parts[2]["text"].as_str(), Some("   "));
+    }
+
+    #[test]
+    fn all_blank_content_is_rejected() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "wire-test", "wire 投影测试")
+            .expect("init project");
+        let item: DirectCodexUserItem = serde_json::from_value(json!({
+            "type": "message",
+            "role": "user",
+            "id": "turn-1:user",
+            "content": [
+                {"type": "input_text", "text": "\n"},
+                {"type": "input_text", "text": "  "}
+            ]
+        }))
+        .expect("deserialize user item");
+        let error = direct_codex_user_item_to_wire_input(root.path(), &item)
+            .expect_err("all-blank content must fail closed");
+        assert!(error.contains("不能为空"), "{error}");
+    }
 }

apps/ai-game-creator-shell/src-tauri/src/agent/direct_runtime/user_input.rs

@@ -31,10 +31,9 @@ pub(crate) fn normalize_direct_client_turn_id(
 pub(crate) async fn chat_with_game_creator_direct_codex(
     project_path: String,
     prompt: String,
-    mut user_item: DirectCodexUserItem,
+    user_item: DirectCodexUserItem,
     creation_type: Option<String>,
     client_turn_id: Option<String>,
-    attachments: Option<Vec<DirectCodexTurnAttachment>>,
 ) -> Result<String, String> {
     let root = Path::new(project_path.trim());
     let turn_id = normalize_direct_client_turn_id(client_turn_id.as_deref())?;
@@ -43,34 +42,9 @@ pub(crate) async fn chat_with_game_creator_direct_codex(
         redact_agent_runtime_error(root, &format!("恢复上一轮陶泥儿整包事务失败：{error}"), 500)
     })?;
     let turn_emitter = DirectGameCreatorTurnUpdateEmitter::new(root, turn_id.clone());
-    let mut audit = DirectCodexTurnAudit::start(
-        root,
-        &turn_id,
-        &prompt,
-        attachments.as_deref().unwrap_or_default(),
-    );
-    let attachments = attachments.unwrap_or_default();
-    if !attachments.is_empty() {
-        let attachment_context =
-            render_direct_codex_user_prompt("", &attachments).map_err(|error| {
-                audit.finish(false);
-                error
-            })?;
-        let DirectCodexUserItem::Message(message) = &mut user_item;
-        message.content.push(DirectCodexUserContentPart::InputText {
-            text: attachment_context,
-        });
-    }
-    validate_direct_codex_user_item(root, &user_item).map_err(|error| {
-        audit.finish(false);
-        error
-    })?;
-    let user_prompt = direct_codex_user_item_to_prompt(root, &user_item).map_err(|error| {
-        audit.finish(false);
-        error
-    })?;
+    validate_direct_codex_user_item(root, &user_item)?;
+    let user_prompt = direct_codex_user_item_to_prompt(root, &user_item)?;
     if user_prompt.trim().is_empty() {
-        audit.finish(false);
         return Err("聊天内容不能为空".to_string());
     }
     let canonical_user_item =
@@ -80,18 +54,15 @@ pub(crate) async fn chat_with_game_creator_direct_codex(
         &user_prompt,
         creation_type.as_deref(),
         Some(&turn_emitter),
-        Some(&mut audit),
+        // DirectProject 的完整回合权威已经落在 project.jsonl；不再创建平行审计日志。
+        None,
         canonical_user_item,
     )
     .await
     {
         Ok(reply) => reply,
-        Err(error) => {
-            audit.finish(false);
-            return Err(error);
-        }
+        Err(error) => return Err(error),
     };
-    audit.finish(true);
     turn_emitter.emit("completed", Some("none"), Some(reply.clone()), None);
     Ok(reply)
 }

apps/ai-game-creator-shell/src/App.tsx

@@ -291,7 +291,11 @@ import type {
 } from './features/project-workspace/resourceReferences';
 import {
   chatComposerDraftToDirectCodexUserItem,
+  directCodexContentToPromptText,
+  directCodexUserItemFromContent,
+  hasMeaningfulDirectCodexContent,
   RESOURCE_REFERENCE_INSERT_EVENT,
+  resourceReferenceFromAsset,
   type ResourceReferenceInsertEventDetail,
 } from './features/project-workspace/resourceReferences';
 import { SupervisorChatOnlyView } from './features/project-workspace/SupervisorChatOnlyView';
@@ -4072,9 +4076,39 @@ export function App({
   }
 
   function handleChatComposerChange(draft: ChatComposerDraft) {
-    setChatInput(draft.text);
-    setChatReferences(draft.references);
-    setChatContent(draft.content ?? []);
+    const content = draft.content;
+    setChatContent(content);
+    setChatInput(directCodexContentToPromptText(content, manifest.assets));
+    setChatReferences(
+      content.flatMap((part) => {
+        if (part.type === 'agc_resource_reference') {
+          const asset = manifest.assets.find(
+            (item) => item.id === part.resourceId,
+          );
+          return asset
+            ? [resourceReferenceFromAsset(asset, 'asset-picker')]
+            : [];
+        }
+        if (part.type === 'agc_runtime_region_reference') {
+          return [
+            {
+              type: 'runtime-region' as const,
+              label: part.label,
+              runId: part.runId ?? undefined,
+              versionId: part.versionId ?? undefined,
+              elementTag: part.elementTag ?? undefined,
+              elementRole: part.elementRole ?? undefined,
+              text: part.text ?? undefined,
+              width: part.width ?? undefined,
+              height: part.height ?? undefined,
+              resourceIds: part.resourceIds,
+              source: 'runtime-picker' as const,
+            },
+          ] as ChatReference[];
+        }
+        return [] as ChatReference[];
+      }),
+    );
   }
 
   useEffect(() => {
@@ -6474,12 +6508,13 @@ export function App({
       if (directProjectPath && directProjectId && directInvoke) {
         const clientTurnId =
           directConversationTurnId ?? createDirectCodexConversationTurnId();
-        const effectiveUserItem =
-          userItem ??
-          chatComposerDraftToDirectCodexUserItem(
-            { text: prompt, references: references ?? [], content: [] },
-            directCodexConversationMessageId(clientTurnId, 'user'),
+        if (!userItem) {
+          setProjectSupervisorRuntimeError(
+            'DirectProject 回合缺少 canonical user item，未发送本轮消息。',
           );
+          return;
+        }
+        const effectiveUserItem = userItem;
         if (
           !directPolicyChecked &&
           projectConversationWriteConfirmedRef.current !== directProjectPath
@@ -6606,7 +6641,6 @@ export function App({
             prompt: string;
             clientTurnId: string;
             creationType?: HomeCreationType;
-            attachments?: DirectCodexTurnAttachment[];
             userItem: ReturnType<typeof chatComposerDraftToDirectCodexUserItem>;
           } = {
             projectPath: directProjectPath,
@@ -6617,9 +6651,6 @@ export function App({
           if (creationType) {
             directTurnInput.creationType = creationType;
           }
-          if (attachments?.length) {
-            directTurnInput.attachments = attachments;
-          }
           directTurnInput.userItem = effectiveUserItem;
           // 回复正文按条目身份从线程事件 / 历史切片进聊天，本地不再补一条，
           // 因此这里只等回合跑完，不接返回值。
@@ -6704,6 +6735,7 @@ export function App({
               setDirectCodexTurnCancelling(false);
               chatAgentBusyRef.current = false;
               // 本地 invoke 正常收尾仍可直接推进队列；恢复场景则由 turn.completed effect 推进。
+              // 只有当前回合的收尾才能释放发送队列，不能覆盖后来启动的回合。
               dispatchNextQueuedChatTurn();
             }
           }
@@ -6925,11 +6957,21 @@ export function App({
         updatedAt: Date.now(),
       },
     ]);
+    const initialUserItem = directConversationTurnId
+      ? directCodexUserItemFromContent(
+          [
+            { type: 'input_text', text: latch.prompt },
+            ...attachmentContentParts(latch.attachments),
+          ],
+          directCodexConversationMessageId(directConversationTurnId, 'user'),
+        )
+      : undefined;
     void executeChatAgentReplyRef.current({
       prompt: latch.prompt,
       clientTurnId: directConversationTurnId,
       creationType: latch.creationType,
       attachments: latch.attachments,
+      ...(initialUserItem ? { userItem: initialUserItem } : {}),
     });
   }, [
     chatAgentBusy,
@@ -11990,36 +12032,28 @@ export function App({
    * 消息落盘/回合 id/附件参数走样。
    */
   function startDirectCodexConversationTurn(input: {
-    prompt: string;
-    attachments?: DirectCodexTurnAttachment[];
-    references?: ChatReference[];
-    content?: DirectCodexUserContentPart[];
+    clientTurnId: string;
+    userItem: ReturnType<typeof chatComposerDraftToDirectCodexUserItem>;
   }) {
-    const clientTurnId = createDirectCodexConversationTurnId();
+    const prompt = directCodexContentToPromptText(
+      input.userItem.content,
+      manifest.assets,
+    );
     supervisorChatShouldFollowLatestRef.current = true;
     setMessages((current) => [
       ...current,
       {
         role: 'user',
-        text: input.prompt,
+        text: prompt,
         runtimeOwned: true,
-        messageId: directCodexConversationMessageId(clientTurnId, 'user'),
+        messageId: directCodexConversationMessageId(input.clientTurnId, 'user'),
         updatedAt: Date.now(),
       },
     ]);
     void executeChatAgentReply({
-      prompt: input.prompt,
-      clientTurnId,
-      attachments: input.attachments?.length ? input.attachments : undefined,
-      references: input.references,
-      userItem: chatComposerDraftToDirectCodexUserItem(
-        {
-          text: input.prompt,
-          references: input.references ?? [],
-          content: input.content ?? [],
-        },
-        directCodexConversationMessageId(clientTurnId, 'user'),
-      ),
+      prompt,
+      clientTurnId: input.clientTurnId,
+      userItem: input.userItem,
     });
   }
 
@@ -12080,12 +12114,24 @@ export function App({
     );
   }
 
+  function attachmentContentParts(
+    attachments: readonly DirectCodexTurnAttachment[],
+  ): DirectCodexUserContentPart[] {
+    return attachments.map((attachment) => ({
+      type: 'agc_attachment_reference' as const,
+      name: attachment.name,
+      mediaType: attachment.mediaType,
+      size: attachment.size ?? 0,
+      localPath: attachment.localPath ?? '',
+      status:
+        attachment.status ?? (attachment.localPath ? 'imported' : 'failed'),
+    }));
+  }
+
   /** 回合运行中再次发送：进本地 FIFO 队列；队列满时拒绝并保留草稿，不静默丢消息。 */
   function enqueueChatTurnForRunningTurn(input: {
-    prompt: string;
-    attachments: DirectCodexTurnAttachment[];
-    references: ChatReference[];
-    content: DirectCodexUserContentPart[];
+    clientTurnId: string;
+    userItem: ReturnType<typeof chatComposerDraftToDirectCodexUserItem>;
   }): boolean {
     if (isChatTurnQueueFull(chatTurnQueueRef.current)) {
       setChatComposerNotice(chatQueueFullNotice());
@@ -12094,10 +12140,8 @@ export function App({
     queuedChatTurnSequenceRef.current += 1;
     const turn = createQueuedChatTurn({
       id: `queued-chat-turn-${Date.now()}-${queuedChatTurnSequenceRef.current}`,
-      prompt: input.prompt,
-      attachments: input.attachments,
-      references: input.references,
-      content: input.content,
+      clientTurnId: input.clientTurnId,
+      userItem: input.userItem,
       createdAt: Date.now(),
     });
     const nextQueue = enqueueChatTurn(chatTurnQueueRef.current, turn);
@@ -12132,10 +12176,8 @@ export function App({
       setChatComposerNotice('');
     }
     startDirectCodexConversationTurn({
-      prompt: next.prompt,
-      attachments: next.attachments,
-      references: next.references,
-      content: next.content,
+      clientTurnId: next.clientTurnId,
+      userItem: next.userItem,
     });
   }
 
@@ -12216,6 +12258,14 @@ export function App({
     const prompt = chatInput.trim();
     const references = chatReferences;
     const pendingAttachments = chatAttachments;
+    const content = [
+      ...chatContent,
+      ...attachmentContentParts(pendingAttachments),
+    ];
+    const canonicalPrompt = directCodexContentToPromptText(
+      content,
+      manifest.assets,
+    );
     if (
       !directCodexProductRuntime &&
       supervisorChatOnly &&
@@ -12231,23 +12281,20 @@ export function App({
       setProjectSupervisorRuntimeError('请先回答项目总控 Agent 当前的澄清问题');
       return;
     }
-    if (
-      !prompt &&
-      references.length === 0 &&
-      chatContent.length === 0 &&
-      pendingAttachments.length === 0
-    ) {
+    if (!hasMeaningfulDirectCodexContent(content)) {
       return;
     }
     if (supervisorChatBusy) {
       // 回合运行中再次发送：direct-codex 面板把消息放进本地 FIFO 队列，当前回合结束后
       // 依次发出；其它面板保持原有"运行中不接受新输入"的行为。
       if (directCodexProductRuntime) {
+        const clientTurnId = createDirectCodexConversationTurnId();
         const enqueued = enqueueChatTurnForRunningTurn({
-          prompt,
-          attachments: pendingAttachments,
-          references,
-          content: chatContent,
+          clientTurnId,
+          userItem: directCodexUserItemFromContent(
+            content,
+            directCodexConversationMessageId(clientTurnId, 'user'),
+          ),
         });
         if (enqueued) {
           setChatInput('');
@@ -12271,7 +12318,7 @@ export function App({
       return;
     }
     if (planningV2ActiveRef.current || planningStartMode) {
-      if (!prompt || chatAgentBusy) {
+      if (!canonicalPrompt || chatAgentBusy) {
         return;
       }
       supervisorChatShouldFollowLatestRef.current = true;
@@ -12281,13 +12328,13 @@ export function App({
         ...current,
         {
           role: 'user',
-          text: prompt,
+          text: canonicalPrompt,
           runtimeOwned: true,
           messageId: `planning-v2:${clientTurnId}:user`,
           updatedAt: Date.now(),
         },
       ]);
-      void executeChatAgentReply({ prompt, clientTurnId });
+      void executeChatAgentReply({ prompt: canonicalPrompt, clientTurnId });
       return;
     }
     if (supervisorChatOnly || directCodexProductRuntime) {
@@ -12301,11 +12348,13 @@ export function App({
       setChatContent([]);
       setChatAttachmentNotice('');
       setChatComposerNotice('');
+      const clientTurnId = createDirectCodexConversationTurnId();
       startDirectCodexConversationTurn({
-        prompt,
-        attachments: pendingAttachments,
-        references,
-        content: chatContent,
+        clientTurnId,
+        userItem: directCodexUserItemFromContent(
+          content,
+          directCodexConversationMessageId(clientTurnId, 'user'),
+        ),
       });
       return;
     }

apps/ai-game-creator-shell/src/components/RichTextInput.tsx

@@ -0,0 +1,102 @@
+import { LexicalComposer } from '@lexical/react/LexicalComposer';
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
+import { ContentEditable } from '@lexical/react/LexicalContentEditable';
+import { LexicalErrorBoundary } from '@lexical/react/LexicalErrorBoundary';
+import { OnChangePlugin } from '@lexical/react/LexicalOnChangePlugin';
+import { RichTextPlugin } from '@lexical/react/LexicalRichTextPlugin';
+import {
+  COMMAND_PRIORITY_HIGH,
+  type EditorState,
+  KEY_ENTER_COMMAND,
+  type Klass,
+  type LexicalNode,
+} from 'lexical';
+import type { ReactElement, ReactNode, Ref } from 'react';
+import { useEffect } from 'react';
+
+type RichTextInputProps = {
+  namespace: string;
+  nodes: Klass<LexicalNode>[];
+  initialEditorState?: EditorState | null;
+  contentEditable?: ReactElement<typeof ContentEditable>;
+  placeholder?: ReactElement;
+  containerClassName?: string;
+  containerRef?: Ref<HTMLDivElement>;
+  disabled?: boolean;
+  onChange?: (editorState: EditorState) => void;
+  onEnter?: () => void;
+  children?: ReactNode;
+};
+
+function SubmitOnEnter({ onEnter }: { onEnter?: () => void }) {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    if (!onEnter) return undefined;
+    return editor.registerCommand(
+      KEY_ENTER_COMMAND,
+      (event) => {
+        if (!event || event.shiftKey || event.isComposing) return false;
+        event.preventDefault();
+        onEnter();
+        return true;
+      },
+      COMMAND_PRIORITY_HIGH,
+    );
+  }, [editor, onEnter]);
+
+  return null;
+}
+
+function SetEditorEditable({ disabled }: { disabled: boolean }) {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    editor.setEditable(!disabled);
+  }, [disabled, editor]);
+
+  return null;
+}
+
+export default function RichTextInput({
+  namespace,
+  nodes,
+  initialEditorState,
+  contentEditable = <ContentEditable />,
+  placeholder,
+  containerClassName,
+  containerRef,
+  disabled = false,
+  onChange,
+  onEnter,
+  children,
+}: RichTextInputProps) {
+  return (
+    <LexicalComposer
+      initialConfig={{
+        namespace,
+        nodes,
+        editorState: initialEditorState ?? undefined,
+        onError: (error) => {
+          throw error;
+        },
+      }}
+    >
+      <div
+        ref={containerRef}
+        className={containerClassName}
+        data-disabled={disabled ? 'true' : undefined}
+      >
+        <RichTextPlugin
+          contentEditable={contentEditable}
+          placeholder={placeholder}
+          ErrorBoundary={LexicalErrorBoundary}
+        />
+        {children}
+        <SetEditorEditable disabled={disabled} />
+        <SubmitOnEnter onEnter={onEnter} />
+        {onChange ? <OnChangePlugin onChange={onChange} /> : null}
+      </div>
+    </LexicalComposer>
+  );
+}

apps/ai-game-creator-shell/src/features/project-workspace/AttachmentReferenceChip.tsx

@@ -0,0 +1,40 @@
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
+import { $getNodeByKey, type NodeKey } from 'lexical';
+import { Paperclip, X } from 'lucide-react';
+
+import type { DirectCodexUserAttachmentReferencePart } from './generated';
+
+export function AttachmentReferenceChip({
+  attachment,
+  nodeKey,
+}: {
+  attachment: DirectCodexUserAttachmentReferencePart;
+  nodeKey: NodeKey;
+}) {
+  const [editor] = useLexicalComposerContext();
+  return (
+    <span
+      className="resource-reference-chip resource-attachment-chip"
+      data-attachment-reference="true"
+      data-attachment-status={attachment.status}
+      contentEditable={false}
+      title={`${attachment.name} · ${attachment.mediaType}`}
+    >
+      <Paperclip size={12} aria-hidden="true" />
+      <span className="resource-reference-chip-label">{attachment.name}</span>
+      <button
+        type="button"
+        aria-label={`移除附件 ${attachment.name}`}
+        onMouseDown={(event) => event.preventDefault()}
+        onClick={() => {
+          editor.update(() => {
+            const node = $getNodeByKey(nodeKey);
+            node?.remove();
+          });
+        }}
+      >
+        <X size={11} aria-hidden="true" />
+      </button>
+    </span>
+  );
+}

apps/ai-game-creator-shell/src/features/project-workspace/AttachmentReferenceNode.tsx

@@ -0,0 +1,107 @@
+import {
+  $applyNodeReplacement,
+  DecoratorNode,
+  type EditorConfig,
+  type LexicalNode,
+  type NodeKey,
+  type SerializedLexicalNode,
+  type Spread,
+} from 'lexical';
+import type { ReactNode } from 'react';
+
+import { AttachmentReferenceChip } from './AttachmentReferenceChip';
+import type { DirectCodexUserAttachmentReferencePart } from './generated';
+
+export type SerializedAttachmentReferenceNode = Spread<
+  {
+    attachment: DirectCodexUserAttachmentReferencePart;
+    type: 'attachment-reference';
+    version: 1;
+  },
+  SerializedLexicalNode
+>;
+
+/** 附件在纯文本里的唯一占位字符：一个附件 chip 就当一个字符。 */
+const OBJECT_REPLACEMENT = '\uFFFC';
+
+/**
+ * Inline canonical attachment part rendered inside the Lexical composer.
+ * The node stores the complete part so read-back preserves the project path and status.
+ */
+export class AttachmentReferenceNode extends DecoratorNode<ReactNode> {
+  __attachment: DirectCodexUserAttachmentReferencePart;
+
+  static getType() {
+    return 'attachment-reference';
+  }
+
+  static clone(node: AttachmentReferenceNode) {
+    return new AttachmentReferenceNode(node.__attachment, node.__key);
+  }
+
+  static importJSON(serializedNode: SerializedAttachmentReferenceNode) {
+    return $createAttachmentReferenceNode(serializedNode.attachment);
+  }
+
+  constructor(
+    attachment: DirectCodexUserAttachmentReferencePart,
+    key?: NodeKey,
+  ) {
+    super(key);
+    this.__attachment = attachment;
+  }
+
+  exportJSON(): SerializedAttachmentReferenceNode {
+    return {
+      ...super.exportJSON(),
+      attachment: this.__attachment,
+      type: 'attachment-reference',
+      version: 1,
+    };
+  }
+
+  createDOM(_config: EditorConfig) {
+    return document.createElement('span');
+  }
+
+  updateDOM() {
+    return false;
+  }
+
+  getTextContent() {
+    return OBJECT_REPLACEMENT;
+  }
+
+  getTextContentSize() {
+    return OBJECT_REPLACEMENT.length;
+  }
+
+  isInline() {
+    return true;
+  }
+
+  isKeyboardSelectable() {
+    return true;
+  }
+
+  decorate() {
+    return (
+      <AttachmentReferenceChip
+        attachment={this.__attachment}
+        nodeKey={this.__key}
+      />
+    );
+  }
+}
+
+export function $createAttachmentReferenceNode(
+  attachment: DirectCodexUserAttachmentReferencePart,
+) {
+  return $applyNodeReplacement(new AttachmentReferenceNode(attachment));
+}
+
+export function $isAttachmentReferenceNode(
+  node: LexicalNode | null | undefined,
+): node is AttachmentReferenceNode {
+  return node instanceof AttachmentReferenceNode;
+}

apps/ai-game-creator-shell/src/features/project-workspace/ComposerControls.tsx

@@ -19,6 +19,7 @@ import {
 import type { RefObject } from 'react';
 import { useEffect, useRef, useState } from 'react';
 
+import type { GameCreationAppAssetManifestEntry } from '../../../../../packages/shared/src/contracts/gameCreationApp';
 import { resolveTauriInvoke } from '../../app/tauri';
 import type {
   GameCreatorAppConfigView,
@@ -192,9 +193,12 @@ export function ComposerPendingAttachments({
 /** 队列 chip：回合运行中入队的消息，按 FIFO 顺序展示，可单条取消。 */
 export function ComposerTurnQueue({
   turns,
+  assets,
   onCancel,
 }: {
   turns: readonly QueuedChatTurn[];
+  /** 与聊天消息渲染同源的素材清单：chip 文案里的 `@` 引用按它展开成显示名。 */
+  assets: readonly GameCreationAppAssetManifestEntry[];
   onCancel: (id: string) => void;
 }) {
   if (turns.length === 0) {
@@ -211,11 +215,11 @@ export function ComposerTurnQueue({
             {index + 1}
           </span>
           <span className="project-supervisor-composer-queue-text">
-            {queuedChatTurnLabel(turn)}
+            {queuedChatTurnLabel(turn, assets)}
           </span>
           <button
             type="button"
-            aria-label={`取消排队消息 ${queuedChatTurnLabel(turn)}`}
+            aria-label={`取消排队消息 ${queuedChatTurnLabel(turn, assets)}`}
             title="取消这条排队消息"
             onClick={() => onCancel(turn.id)}
           >

apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx

@@ -692,6 +692,7 @@ export function ProjectSupervisorView({
         >
           <ComposerTurnQueue
             turns={directCodex ? queuedTurns : []}
+            assets={chatProjectAssets}
             onCancel={(id) => onCancelQueuedTurn?.(id)}
           />
           <ComposerPendingAttachments

apps/ai-game-creator-shell/src/features/project-workspace/chatComposerQueue.ts

@@ -4,36 +4,33 @@
  * 回合运行中用户再次发送时，消息进入 FIFO 队列而不是被丢弃；当前回合结束后按入队顺序
  * 依次发出。队列项能在输入盒上方单独取消。这里只放与 React 无关的纯逻辑，便于单测。
  */
-import type { DirectCodexTurnAttachment } from '../app-shell/directCodexTurnAttachments';
-import type { DirectCodexUserContentPart } from './generated';
-import type { ChatReference } from './resourceReferences';
+import type { GameCreationAppAssetManifestEntry } from '../../../../../packages/shared/src/contracts/gameCreationApp';
+import type { DirectCodexUserItem } from './generated';
+import { directCodexContentToPromptText } from './resourceReferences';
 
 /** 队列上限：满了以后拒绝入队并给出可读提示，而不是静默丢消息。 */
 export const MAX_QUEUED_CHAT_TURNS = 5;
 
 export type QueuedChatTurn = {
   id: string;
-  prompt: string;
-  attachments: DirectCodexTurnAttachment[];
-  references: ChatReference[];
-  content?: DirectCodexUserContentPart[];
+  clientTurnId: string;
+  userItem: DirectCodexUserItem;
   createdAt: number;
 };
 
 export function createQueuedChatTurn(input: {
   id: string;
-  prompt: string;
-  attachments?: readonly DirectCodexTurnAttachment[];
-  references?: readonly ChatReference[];
-  content?: readonly DirectCodexUserContentPart[];
+  clientTurnId: string;
+  userItem: DirectCodexUserItem;
   createdAt: number;
 }): QueuedChatTurn {
   return {
     id: input.id,
-    prompt: input.prompt,
-    attachments: [...(input.attachments ?? [])],
-    references: [...(input.references ?? [])],
-    content: [...(input.content ?? [])],
+    clientTurnId: input.clientTurnId,
+    userItem: {
+      ...input.userItem,
+      content: [...input.userItem.content],
+    },
     createdAt: input.createdAt,
   };
 }
@@ -77,17 +74,23 @@ export function chatQueueFullNotice(): string {
   return `队列已满（最多 ${MAX_QUEUED_CHAT_TURNS} 条），请等当前回合结束后再发送`;
 }
 
-/** 队列 chip 上显示的文字：单行、有长度上限。 */
-export function queuedChatTurnLabel(turn: QueuedChatTurn): string {
-  const text = turn.prompt.trim().replace(/\s+/gu, ' ');
-  if (text) {
-    return text.length > 24 ? `${text.slice(0, 24)}…` : text;
-  }
-  if (turn.attachments.length > 0) {
-    return `附件 · ${turn.attachments[0]?.name ?? '未命名'}`;
-  }
-  if (turn.references.length > 0) {
-    return '素材引用';
-  }
-  return '未命名消息';
+/**
+ * 队列 chip 上显示的文字：与真实消息同一个派生（`directCodexContentToPromptText`），
+ * 再压成单行并限长。
+ *
+ * `assets` 与聊天消息渲染同源（`manifest.assets`）且必填：`@` 引用按显示名展开，chip
+ * 与消息正文逐字一致，不会露出 `@asset:…` 这种内部 id。
+ */
+export function queuedChatTurnLabel(
+  turn: QueuedChatTurn,
+  assets: readonly GameCreationAppAssetManifestEntry[],
+): string {
+  const text = directCodexContentToPromptText(turn.userItem.content, assets)
+    .trim()
+    .replace(/\s+/gu, ' ');
+  return text
+    ? text.length > 24
+      ? `${text.slice(0, 24)}…`
+      : text
+    : '未命名消息';
 }

apps/ai-game-creator-shell/src/features/project-workspace/chatPromptPolish.ts

@@ -1,8 +1,5 @@
 import { resolveTauriInvoke } from '../../app/tauri';
-import {
-  type ChatComposerDraft,
-  chatReferenceListKey,
-} from './resourceReferences';
+import type { DirectCodexUserContentPart } from './generated';
 
 /**
  * 「不再提醒」偏好存本机 localStorage，不进 manifest、不进后端。
@@ -61,8 +58,10 @@ export function writeChatPromptPolishReminderDisabled(disabled: boolean) {
 }
 
 /** 草稿指纹：用于判断「本轮草稿」是否已经被润色或确认过。 */
-export function chatPromptDraftKey(draft: ChatComposerDraft) {
-  return `${draft.text}\u0000${chatReferenceListKey(draft.references)}`;
+export function chatPromptDraftKey(
+  content: readonly DirectCodexUserContentPart[],
+) {
+  return JSON.stringify(content);
 }
 
 /**
@@ -73,25 +72,27 @@ export function chatPromptDraftKey(draft: ChatComposerDraft) {
  * 4. 草稿不是以 `/` 开头的命令 —— 命令走直通路径，不参与提醒。
  */
 export function shouldRemindChatPromptPolish({
-  draft,
+  content,
+  prompt,
   acknowledgedDraftKey,
   reminderDisabled,
 }: {
-  draft: ChatComposerDraft;
+  content: readonly DirectCodexUserContentPart[];
+  prompt: string;
   acknowledgedDraftKey: string | null;
   reminderDisabled: boolean;
 }) {
   if (reminderDisabled) {
     return false;
   }
-  const text = draft.text.trim();
+  const text = prompt.trim();
   if (text.length < CHAT_PROMPT_POLISH_REMINDER_MIN_TEXT_LENGTH) {
     return false;
   }
   if (text.startsWith('/')) {
     return false;
   }
-  return chatPromptDraftKey(draft) !== acknowledgedDraftKey;
+  return chatPromptDraftKey(content) !== acknowledgedDraftKey;
 }
 
 /**

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserAttachmentReferencePart.ts

@@ -0,0 +1,9 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type DirectCodexUserAttachmentReferencePart = {
+  name: string;
+  mediaType: string;
+  size: number;
+  localPath: string;
+  status: string;
+};

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserContentPart.ts

@@ -1,5 +1,5 @@
-// This file is generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
-
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { DirectCodexUserAttachmentReferencePart } from './DirectCodexUserAttachmentReferencePart';
 import type { DirectCodexUserRuntimeRegionPart } from './DirectCodexUserRuntimeRegionPart';
 
 export type DirectCodexUserContentPart =
@@ -7,4 +7,7 @@ export type DirectCodexUserContentPart =
   | { type: 'agc_resource_reference'; resourceId: string }
   | ({
       type: 'agc_runtime_region_reference';
-    } & DirectCodexUserRuntimeRegionPart);
+    } & DirectCodexUserRuntimeRegionPart)
+  | ({
+      type: 'agc_attachment_reference';
+    } & DirectCodexUserAttachmentReferencePart);

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserItem.ts

@@ -1,5 +1,9 @@
-// This file is generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
-
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { DirectCodexUserMessageItem } from './DirectCodexUserMessageItem';
 
-export type DirectCodexUserItem = DirectCodexUserMessageItem;
+/**
+ * DirectProject 本轮 user input 的唯一结构化入口。
+ */
+export type DirectCodexUserItem = {
+  type: 'message';
+} & DirectCodexUserMessageItem;

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserMessageEnvelope.ts

@@ -0,0 +1,4 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { DirectCodexUserItem } from './DirectCodexUserItem';
+
+export type DirectCodexUserMessageEnvelope = { item: DirectCodexUserItem };

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserMessageItem.ts

@@ -1,11 +1,9 @@
-// This file is generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
-
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { DirectCodexUserContentPart } from './DirectCodexUserContentPart';
 import type { DirectCodexUserRole } from './DirectCodexUserRole';
 
 export type DirectCodexUserMessageItem = {
-  type: 'message';
   role: DirectCodexUserRole;
-  content: DirectCodexUserContentPart[];
+  content: Array<DirectCodexUserContentPart>;
   id: string;
 };

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserRole.ts

@@ -1,3 +1,3 @@
-// This file is generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
 export type DirectCodexUserRole = 'user';

apps/ai-game-creator-shell/src/features/project-workspace/generated/DirectCodexUserRuntimeRegionPart.ts

@@ -1,13 +1,13 @@
-// This file is generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
 export type DirectCodexUserRuntimeRegionPart = {
   label: string;
-  runId?: string;
-  versionId?: string;
-  elementTag?: string;
-  elementRole?: string;
-  text?: string;
-  width?: number;
-  height?: number;
-  resourceIds: string[];
+  runId: string | null;
+  versionId: string | null;
+  elementTag: string | null;
+  elementRole: string | null;
+  text: string | null;
+  width: number | null;
+  height: number | null;
+  resourceIds: Array<string>;
 };

apps/ai-game-creator-shell/src/features/project-workspace/generated/index.ts

@@ -1,8 +1,10 @@
 export type { DirectCodexUserContentPart } from './DirectCodexUserContentPart';
+export type { DirectCodexUserAttachmentReferencePart } from './DirectCodexUserAttachmentReferencePart';
 export type { DirectCodexUserItem } from './DirectCodexUserItem';
 export type { DirectCodexUserMessageItem } from './DirectCodexUserMessageItem';
 export type { DirectCodexUserRole } from './DirectCodexUserRole';
 export type { DirectCodexUserRuntimeRegionPart } from './DirectCodexUserRuntimeRegionPart';
+export type { DirectCodexUserMessageEnvelope } from './DirectCodexUserMessageEnvelope';
 export type { DirectThreadConsumeResult } from './DirectThreadConsumeResult';
 export type { DirectThreadDeltaKind } from './DirectThreadDeltaKind';
 export type { DirectThreadEvent } from './DirectThreadEvent';

apps/ai-game-creator-shell/src/features/project-workspace/resourceReferences.ts

@@ -13,7 +13,6 @@ import {
 import type {
   DirectCodexUserContentPart,
   DirectCodexUserItem,
-  DirectCodexUserMessageItem,
 } from './generated';
 
 export type ResourceReferenceSource =
@@ -52,8 +51,8 @@ export type ChatReference = ResourceReference | RuntimeRegionReference;
 export type ChatComposerDraft = {
   text: string;
   references: ChatReference[];
-  /** Lexical 顺序对应的 canonical user content；仅由编辑器读回时提供。 */
-  content?: DirectCodexUserContentPart[];
+  /** Lexical 顺序对应的 canonical user content，是草稿的唯一结构化来源。 */
+  content: DirectCodexUserContentPart[];
 };
 
 export const RESOURCE_REFERENCE_INSERT_EVENT = 'agc-resource-reference-insert';
@@ -94,22 +93,58 @@ export const EMPTY_CHAT_COMPOSER_DRAFT: ChatComposerDraft = {
   content: [],
 };
 
+/** canonical content → 可读文本；资源引用按当前 manifest 展开为显示名。 */
+export function directCodexContentToPromptText(
+  content: readonly DirectCodexUserContentPart[],
+  assets: readonly GameCreationAppAssetManifestEntry[],
+) {
+  const labels = new Map(
+    assets.map((asset) => [asset.id, resourceDisplayName(asset)]),
+  );
+  return content
+    .map((part) => {
+      if (part.type === 'input_text') return part.text;
+      if (part.type === 'agc_resource_reference') {
+        return `@${labels.get(part.resourceId) ?? part.resourceId}`;
+      }
+      if (part.type === 'agc_runtime_region_reference') {
+        return `@${part.label}`;
+      }
+      if (part.type === 'agc_attachment_reference') {
+        return `@${part.name}`;
+      }
+      return '';
+    })
+    .join('')
+    .trim();
+}
+
+/** 只在整条 content 上判定有效性；单个纯空白文本 part 合法。 */
+export function hasMeaningfulDirectCodexContent(
+  content: readonly DirectCodexUserContentPart[],
+) {
+  return content.some(
+    (part) => part.type !== 'input_text' || part.text.trim().length > 0,
+  );
+}
+
 export function chatReferenceToContentPart(
   reference: ChatReference,
 ): DirectCodexUserContentPart {
   if (reference.type === 'resource') {
     return { type: 'agc_resource_reference', resourceId: reference.resourceId };
   }
+  // 生成绑定里可选字段是 `T | null`（Rust `Option<T>` 会显式序列化成 null，不是省略键）。
   return {
     type: 'agc_runtime_region_reference',
     label: reference.label,
-    runId: reference.runId,
-    versionId: reference.versionId,
-    elementTag: reference.elementTag,
-    elementRole: reference.elementRole,
-    text: reference.text,
-    width: reference.width,
-    height: reference.height,
+    runId: reference.runId ?? null,
+    versionId: reference.versionId ?? null,
+    elementTag: reference.elementTag ?? null,
+    elementRole: reference.elementRole ?? null,
+    text: reference.text ?? null,
+    width: reference.width ?? null,
+    height: reference.height ?? null,
     resourceIds: reference.resourceIds,
   };
 }
@@ -118,24 +153,22 @@ export function chatComposerDraftToDirectCodexUserItem(
   draft: ChatComposerDraft,
   id: string,
 ): DirectCodexUserItem {
-  const content = draft.content?.length
-    ? draft.content
-    : draft.references.length > 0
-      ? [
-          ...(draft.text
-            ? [{ type: 'input_text' as const, text: draft.text }]
-            : []),
-          ...draft.references.map(chatReferenceToContentPart),
-        ]
-      : draft.text
-        ? [{ type: 'input_text' as const, text: draft.text }]
-        : [];
   return {
     type: 'message',
     role: 'user',
-    content,
+    content: draft.content,
     id,
-  } satisfies DirectCodexUserMessageItem;
+  } satisfies DirectCodexUserItem;
+}
+
+export function directCodexUserItemFromContent(
+  content: readonly DirectCodexUserContentPart[],
+  id: string,
+): DirectCodexUserItem {
+  return chatComposerDraftToDirectCodexUserItem(
+    { text: '', references: [], content: [...content] },
+    id,
+  );
 }
 
 export function resourceDisplayName(asset: GameCreationAppAssetManifestEntry) {