From d40cb7d1e0560bd92dede88ac572aa0081fcf1af Mon Sep 17 00:00:00 2001
From: link2026 <brownbear2026@163.com>
Date: Mon, 25 May 2026 15:12:26 +0800
Subject: [PATCH] =?UTF-8?q?harden(ai):=20ModelStore=20seedFromBundle=20?=
 =?UTF-8?q?=E5=9C=A8=20DEBUG=20=E6=8A=A5=E9=94=99,=E5=8A=A0=E7=A9=BA?=
 =?UTF-8?q?=E7=9B=AE=E5=BD=95=E6=B5=8B=E8=AF=95?=
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按 code quality review 反馈:
- seedFromBundle 找不到 bundle 资源时,DEBUG 下 assertionFailure 提示
  target membership(release 仍静默 return),避免 W6 启用时排查困难
- 补 totalBytesReturnsZeroWhenFolderMissing 测试,覆盖 folder 不存在时
  enumerator 为 nil 的 guard 路径

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 体己/AI/ModelStore.swift        | 3 +++
 体己Tests/ModelStoreTests.swift | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/体己/AI/ModelStore.swift b/体己/AI/ModelStore.swift
index ee13c9c..057feba 100644
--- a/体己/AI/ModelStore.swift
+++ b/体己/AI/ModelStore.swift
@@ -65,6 +65,9 @@ final class ModelStore {
     /// Demo 现场旁路:从 Bundle 拷贝预装模型(W6 才真正使用,本周占位)
     func seedFromBundle(_ kind: ModelKind) throws {
         guard let bundleURL = Bundle.main.url(forResource: kind.rawValue, withExtension: nil) else {
+            #if DEBUG
+            assertionFailure("Bundle 缺少 \(kind.rawValue),检查资源是否加入 target")
+            #endif
             return
         }
         let target = localURL(for: kind)
diff --git a/体己Tests/ModelStoreTests.swift b/体己Tests/ModelStoreTests.swift
index d1f95cf..f01be58 100644
--- a/体己Tests/ModelStoreTests.swift
+++ b/体己Tests/ModelStoreTests.swift
@@ -43,4 +43,12 @@ struct ModelStoreTests {
 
         #expect(store.totalBytes(for: .llm) == 2048)
     }
+
+    @Test func totalBytesReturnsZeroWhenFolderMissing() throws {
+        let store = try isolatedStore()
+        defer { try? FileManager.default.removeItem(at: store.rootURL) }
+
+        // 没创建任何 vl 目录
+        #expect(store.totalBytes(for: .vl) == 0)
+    }
 }