sliceCount纳入生成动作指纹并补齐审计与报错文案

slice_count 进入 standalone 生成动作指纹，修复仅切片数不同的付费请求被幂等账本误复用，None 时跳过序列化保持旧身份不变
非图集 kind 违规报错补充 sliceCount，新增 sliceCount-only 违规断言
agc_generate_image 审计投影新增 sliceCount 整数字段，审计账本契约文档同步

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

@@ -550,6 +550,7 @@ fn extract_mcp_arguments(root: &Path, tool: &str, arguments: &Value) -> Value {
         "agc_generate_image" => {
             copy_string(object, "kind", &mut out);
             copy_string(object, "sliceMode", &mut out);
+            copy_number(object, "sliceCount", &mut out);
             copy_string(object, "screenColor", &mut out);
             copy_string(object, "aspectRatio", &mut out);
             copy_string(object, "imageSize", &mut out);
@@ -1195,7 +1196,13 @@ mod tests {
             "item": {
                 "type": "mcpToolCall",
                 "tool": "agc_generate_image",
-                "arguments": { "prompt": prompt, "kind": "icon-spec" }
+                "arguments": {
+                    "prompt": prompt,
+                    "kind": "art-spritesheet",
+                    "sliceMode": "connected-components",
+                    "sliceCount": 8,
+                    "screenColor": "#CFEFFF"
+                }
             }
         }));
         audit.finish(true);
@@ -1206,6 +1213,8 @@ mod tests {
         let stored = item["arguments"]["prompt"].as_str().expect("prompt");
         assert_eq!(stored.chars().count(), DIRECT_CODEX_AUDIT_BRIEF_CHARS);
         assert_eq!(item["arguments"]["promptChars"], json!(5000));
+        assert_eq!(item["arguments"]["sliceCount"], json!(8));
+        assert_eq!(item["arguments"]["screenColor"], json!("#CFEFFF"));
         assert_eq!(
             item["arguments"]["promptSha256"],
             json!(sha256_hex("收".repeat(5000).as_bytes()))

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

@@ -2224,7 +2224,7 @@ fn validate_generate_image_slice_declaration(
     }
     if slice_mode.is_some() || grid_x.is_some() || grid_y.is_some() || slice_count.is_some() {
         return Err(format!(
-            "工具参数 sliceMode/gridX/gridY 仅对 kind=art-spritesheet 生效，当前 kind={kind}"
+            "工具参数 sliceMode/gridX/gridY/sliceCount 仅对 kind=art-spritesheet 生效，当前 kind={kind}"
         ));
     }
     Ok(())
@@ -2915,6 +2915,13 @@ mod tests {
             wrong_kind.contains("仅对 kind=art-spritesheet 生效"),
             "{wrong_kind}"
         );
+        let wrong_kind_count =
+            validate_generate_image_slice_declaration("image", None, None, None, Some(8))
+                .expect_err("sliceCount-only violation must be rejected");
+        assert!(
+            wrong_kind_count.contains("sliceCount"),
+            "sliceCount-only violation must name sliceCount: {wrong_kind_count}"
+        );
         assert!(validate_generate_image_slice_declaration("image", None, None, None, None).is_ok());
     }
 

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

@@ -2209,9 +2209,8 @@ pub(crate) async fn generate_platform_art_asset_with_required_slices_at(
 /// 动作，必须各自独立成槽，才能在同一项目里同时在途。
 ///
 /// 升级前遗留账本仍由旧材料函数定位；新请求把显式切分模式纳入身份，避免同一图集
-/// 请求在网格与连通域之间误复用。`slice_count` 继续保持历史兼容语义，不进身份。
-/// `screen_color` 是付费语义不同的输入，进入身份；None 时跳过序列化，未使用该字段的
-/// 请求身份与升级前逐字节一致。
+/// 请求在网格与连通域之间误复用。`slice_count` 与 `screen_color` 同样改变付费产出，
+/// 一并进入身份；None 时跳过序列化，未使用这些字段的请求身份与旧版逐字节一致。
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 struct StandalonePlatformArtGenerationFingerprintMaterial<'a> {
@@ -2227,6 +2226,8 @@ struct StandalonePlatformArtGenerationFingerprintMaterial<'a> {
     grid_x: Option<u32>,
     grid_y: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    slice_count: Option<usize>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     screen_color: Option<&'a str>,
 }
 
@@ -2267,6 +2268,7 @@ fn standalone_platform_art_generation_runtime_context(
         slice_mode: options.slice_mode.as_deref(),
         grid_x: options.grid_x,
         grid_y: options.grid_y,
+        slice_count: options.slice_count,
         screen_color: options.screen_color.as_deref(),
     })
     .map_err(|error| format!("序列化 standalone 图片生成动作身份失败：{error}"))?;
@@ -8516,6 +8518,9 @@ mod canvas_generation_tests {
         let mut changed = options.clone();
         changed.screen_color = Some("#CFEFFF".to_string());
         changed_options.push(changed);
+        let mut changed = options.clone();
+        changed.slice_count = Some(8);
+        changed_options.push(changed);
         for changed in changed_options {
             let context = standalone_platform_art_generation_runtime_context(
                 "完整生成提示词",

docs/technical/【技术方案】Direct回合行为审计账本-2026-08-31.md

@@ -185,7 +185,7 @@ camelCase JSON。禁止出现附件正文、命令 stdout、patch diff、宿主
 | `agc_list_project_files`        | `path`、`query`（120）、`kind`、`offset`、`limit`                                                                | 无                                                         |
 | `agc_write_file`                | `path`、`contentChars`（`content` 的字符数，不是正文）                                                           | 不落 `content`                                             |
 | `taonier_prepare_game_art`      | `mode`、`brief`（截断 4000）、`briefChars`、`briefSha256`                                                        | **要 brief 原文**（分析定玩法的吸烟枪；上限已是 MCP 合同） |
-| `agc_generate_image`            | `kind`、`sliceMode`、`screenColor`、`aspectRatio`、`imageSize`、`assetName`、`outputPath`、`prompt` 截断 4000、`promptChars`、`promptSha256` | 不落 32k 全文                                              |
+| `agc_generate_image`            | `kind`、`sliceMode`、`sliceCount`、`screenColor`、`aspectRatio`、`imageSize`、`assetName`、`outputPath`、`prompt` 截断 4000、`promptChars`、`promptSha256` | 不落 32k 全文                                              |
 | `agc_edit_image`                | `sourceLocalAssetId`、`assetName`、`prompt` 截断 4000、`promptChars`、`promptSha256`                             | 同上                                                       |
 | `agc_create_or_derive_resource` | `kind`、`mode`、`sourceLocalAssetId`、`assetName`、`prompt` 截断 4000、`promptChars`、`promptSha256`             | MCP 上限已是 4000                                          |
 | `agc_list_registered_assets`    | `kind`、`assetId`、`includeSequenceFrames`、`offset`、`limit`                                                    | 无                                                         |