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test(lifetime): 补齐 A2 @life(ret(...)) 的正/负向回归工程

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新增 3 个工程（均登记进 regression_test.py / SequentialRegressionTest.py /
run_lifetime_negative_tests.py 的 escape/负向清单）：
- NewLifetimeRetOkTest（正向）：ret(heap)/ret(static)/ret(borrows=none) 的结果
  可存进堆对象字段；ret(frame)/ret(borrows=x) 的结果只在本帧内使用；
  同模块契约表与跨模块 .vpi(escr=) 两条取用路径都覆盖 → 编译通过 + 退出码 0。
- NewLifetimeRetEscapeTest（负向）：同模块 @life(ret(frame)) 的返回值写进堆对象
  字段 → LifetimeError（隔离性：FrameRet 摘要为 0，唯一报错源是 ret 契约）。
- NewLifetimeRetXmodTest（负向）：跨模块 @life(noescape(x), ret(borrows=x)) 的结果
  写进堆对象字段 → LifetimeError（契约经对方 .vpi 的 escr= 传来；noescape 清掉了
  实参逃逸路径，判据收敛到 ret 契约）。
README.md 的 escape 测试表与负向清单同步。
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TermiNexus committed 2026-10-10 09:03:05 +08:00
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@@ -85,17 +85,18 @@ def find_test_projects():
# ============================================================
# 单独运行支持：--escape / --only
# ============================================================
# escape 相关项目（生命期/逃逸检查 + M2.4 new 描述符 + M3 owned slife RAII + §3.6 析构 + P2 willFree）：
# Test/ 下：NewTest、NewLifetimeTest、NewLifetimeWillFreeOkTest（正向）、
# escape 相关项目（生命期/逃逸检查 + M2.4 new 描述符 + M3 owned slife RAII + §3.6 析构 +
# P2 willFree + A2 @life(ret(...))）：
# Test/ 下：NewTest、NewLifetimeTest、NewLifetimeWillFreeOkTest、NewLifetimeRetOkTest（正向）、
# NewLifetimeFreeTest / NewLifetimeAsyncTest / NewLifetimeWillFreeTest /
# NewLifetimeUseAfterFreeTest（负向）；
# NewLifetimeUseAfterFreeTest / NewLifetimeRetEscapeTest / NewLifetimeRetXmodTest（负向）；
# 仓库根下：EscapeTest/EscapeOkTest/EscapeMethodTest/EscapeXmodTest
ESCAPE_PROJECTS = ["EscapeTest", "EscapeOkTest", "EscapeMethodTest", "EscapeXmodTest", "NewTest", "NewLifetimeTest", "NewLifetimeWillFreeOkTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest"]
ESCAPE_PROJECTS = ["EscapeTest", "EscapeOkTest", "EscapeMethodTest", "EscapeXmodTest", "NewTest", "NewLifetimeTest", "NewLifetimeWillFreeOkTest", "NewLifetimeRetOkTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest", "NewLifetimeRetEscapeTest", "NewLifetimeRetXmodTest"]
# 负向项目（**期望编译失败**，见 SequentialRegressionTest.NEGATIVE_PROJECTS）：
# 本脚本按"编译必须成功 + 能跑"判定，纳入会误报，故 --escape 时剔除；
# 负向断言请用 SequentialRegressionTest（反向判定）或 run_lifetime_negative_tests.py。
NEGATIVE_PROJECT_NAMES = {"EscapeTest", "EscapeMethodTest", "EscapeXmodTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest"}
NEGATIVE_PROJECT_NAMES = {"EscapeTest", "EscapeMethodTest", "EscapeXmodTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest", "NewLifetimeRetEscapeTest", "NewLifetimeRetXmodTest"}
def find_project_file(proj_dir):