修复 AGC 确定性 E2E 与 master 合并后的运行链路

合并 master 后 isolated AppData 配置改为私有副本，避免 Windows 安全校验拒绝硬链接。
只读 runner 状态命令显式配置 config dir，避免误读为 runner 未启用。
为 debug 构建增加仅 E2E 显式开启的确定性 Provider 路由开关，并补充回归测试。
兼容 Windows 对私有副本权限位的校验差异。

apps/ai-game-creator-shell/scripts/agent-runtime-deterministic-playable-e2e.mjs

@@ -1948,6 +1948,7 @@ async function runE2e(options) {
         ...process.env,
         NO_COLOR: '1',
         [platformSessionFixtureEnv]: fixturePath,
+        GENARRATIVE_AGC_DEBUG_PROVIDER_E2E: '1',
       }),
     );
     childReport = parseChildReport(childResult);

apps/ai-game-creator-shell/scripts/agent-runtime-real-e2e/harness/app-data.mjs

@@ -773,7 +773,8 @@ export async function prepareIsolatedSuiteAppData({
       isScopedAgentsSuite() ||
       isProjectSkillSuite() ||
       isParallelReadSuite() ||
-      isSupervisorSwarmSuite()
+      isSupervisorSwarmSuite() ||
+      isSupervisorAutonomousPlayableLaneDefenseSuite()
         ? 'private-copy'
         : 'hardlink';
     try {
@@ -796,7 +797,7 @@ export async function prepareIsolatedSuiteAppData({
       storageMode === 'private-copy' &&
       (linkedMetadata.dev !== source.metadata.dev ||
         linkedMetadata.ino !== source.metadata.ino) &&
-      (linkedMetadata.mode & 0o077) === 0;
+      (process.platform === 'win32' || (linkedMetadata.mode & 0o077) === 0);
     const hardlinkValid =
       storageMode === 'hardlink' &&
       linkedMetadata.dev === source.metadata.dev &&
@@ -1976,7 +1977,7 @@ export async function verifyIsolatedSuiteConfigLinksUnchanged() {
           linkedMetadata.ino === link.linkedIno &&
           (linkedMetadata.dev !== sourceMetadata.dev ||
             linkedMetadata.ino !== sourceMetadata.ino) &&
-          (linkedMetadata.mode & 0o077) === 0
+          (process.platform === 'win32' || (linkedMetadata.mode & 0o077) === 0)
         : linkedMetadata.dev === link.dev && linkedMetadata.ino === link.ino;
     const sourceMetadataStable =
       sourceMetadata.mode === link.sourceMode &&

apps/ai-game-creator-shell/src-tauri/src/config.rs

@@ -3446,18 +3446,33 @@ pub(crate) fn migrate_legacy_game_creator_agent_mode(path: &Path) -> Result<(),
 /// Returns whether a real AGC build must use the authenticated API Server
 /// proxy instead of any persisted provider credentials.
 ///
-/// Debug and release binaries intentionally share this decision.  The only
+/// Debug and release binaries intentionally share this decision. The two
-/// exception is the Rust unit-test build, where existing tests may install an
+/// exceptions are the Rust unit-test build and the explicitly env-gated debug
-/// explicit loopback provider fixture; that fixture is never compiled into a
+/// deterministic-provider E2E; their loopback fixtures are never compiled into
-/// shipped binary and is not a runtime fallback.
+/// or enabled inside a shipped release binary.
 pub(crate) fn game_creator_official_llm_route_locked() -> bool {
-    game_creator_official_llm_route_locked_for_build(cfg!(test))
+    !debug_provider_e2e_route_unlocked()
+        && game_creator_official_llm_route_locked_for_build(cfg!(test))
 }
 
 pub(crate) fn game_creator_official_llm_route_locked_for_build(is_test_build: bool) -> bool {
     !is_test_build
 }
 
+fn debug_provider_e2e_route_unlocked() -> bool {
+    debug_provider_e2e_route_unlocked_for_build(
+        cfg!(debug_assertions),
+        std::env::var_os("GENARRATIVE_AGC_DEBUG_PROVIDER_E2E").as_deref(),
+    )
+}
+
+pub(crate) fn debug_provider_e2e_route_unlocked_for_build(
+    debug_assertions: bool,
+    value: Option<&std::ffi::OsStr>,
+) -> bool {
+    debug_assertions && value == Some(std::ffi::OsStr::new("1"))
+}
+
 pub(crate) fn lock_game_creator_app_config_to_official_route(config: &mut GameCreatorAppConfig) {
     if !game_creator_official_llm_route_locked() {
         return;

apps/ai-game-creator-shell/src-tauri/src/main.rs

@@ -2316,7 +2316,7 @@ fn main() {
                     app_log!("agent.runner.failed: {error}");
                     std::process::exit(1);
                 }
-                if command.requires_external_agent_runner() {
+                if command.requires_external_agent_runner() || command.is_read_only_status() {
                     let configured = if command.is_read_only_status() {
                         configure_external_agent_runner_read_only(&config_dir)
                     } else {

apps/ai-game-creator-shell/src-tauri/src/tests/configuration.rs

@@ -330,6 +330,23 @@ fn official_llm_route_is_locked_for_debug_and_release_platform_builds() {
     assert!(!game_creator_official_llm_route_locked_for_build(true));
 }
 
+#[test]
+fn debug_provider_e2e_flag_only_unlocks_debug_platform_build() {
+    assert!(debug_provider_e2e_route_unlocked_for_build(
+        true,
+        Some(std::ffi::OsStr::new("1"))
+    ));
+    assert!(!debug_provider_e2e_route_unlocked_for_build(
+        false,
+        Some(std::ffi::OsStr::new("1"))
+    ));
+    assert!(!debug_provider_e2e_route_unlocked_for_build(
+        true,
+        Some(std::ffi::OsStr::new("0"))
+    ));
+    assert!(!debug_provider_e2e_route_unlocked_for_build(true, None));
+}
+
 #[test]
 fn codex_app_server_requires_responses_route_and_disables_native_web_search() {
     let mut llm = GameCreatorLlmConfig::default();