diff --git a/NewLifetimeRetEscapeTest/App/main.vp b/NewLifetimeRetEscapeTest/App/main.vp
new file mode 100644
index 0000000..eb3be86
--- /dev/null
+++ b/NewLifetimeRetEscapeTest/App/main.vp
@@ -0,0 +1,56 @@
+from stdint import *
+
+
+# =============================================================================
+# 负向工程（**应当编译失败**）：A2 `@life(ret(frame))` —— 去向由**调用点**判定
+#
+# A2 移除了定义端对 `return <本帧地址>` 的 fail-fast：定义端无法区分"交出本帧"
+# 与"借出调用方的存储"（后者是 `return <借用形参>`，一律拦会误报）。取而代之：
+# 被调者用 `@life(ret(...))` 声明返回值生命期，**调用点**按声明判去向。
+#
+# 本工程验：声明为 `frame` 的返回值被写进**长命存储**时必须被拒。
+# 期望报错：LifetimeError（`a longer-lived field/element`）。
+#
+# 隔离性：FrameRet 的逃逸摘要为 0（`l` 不是形参，`return l` 不置任何逃逸位），
+#         所以下面唯一的报错来源就是 `ret(frame)` → LIFE_FRAME。
+#
+# 本文件只保留**一条**会报错的语句：编译在第一个错误处终止，多条会掩盖顺序。
+# 对照写法（`ret(borrows=x)` 的结果同样只在本帧）留作注释，见文末。
+# =============================================================================
+
+
+novirtual class Holder:
+    p: int*
+
+
+@life(ret(frame))
+def FrameRet() -> int*:
+    l: int* = new stack int
+    return l
+
+
+# 唯一用例：ret(frame) 的结果存进**堆对象**字段 → 左值长命、右值本帧 → LifetimeError
+def CaseFrame() -> int:
+    h: Holder* = new heap hlife Holder()
+    h.p = FrameRet()            # ❌ 期望 LifetimeError
+    return 0
+
+
+export def main() -> int:
+    CaseFrame()
+    return 0
+
+
+# -----------------------------------------------------------------------------
+# 对照用例（把 main 里的 CaseFrame() 换成本函数即可，一次只开一条）：
+#
+# @life(noescape(x), ret(borrows=x))
+# def IdentBorrow(x: int*) -> int*:
+#     return x
+#
+# def CaseBorrow() -> int:
+#     h: Holder* = new heap hlife Holder()
+#     l: int* = new stack int
+#     h.p = IdentBorrow(l)     # ❌ 期望 LifetimeError（结果生命期 = l 的 = 本帧）
+#     return 0
+# -----------------------------------------------------------------------------
diff --git a/NewLifetimeRetEscapeTest/project.json b/NewLifetimeRetEscapeTest/project.json
new file mode 100644
index 0000000..f4526f4
--- /dev/null
+++ b/NewLifetimeRetEscapeTest/project.json
@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "NewLifetimeRetEscapeTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "build_dir": "./.tpv_build",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32"],
+        "output": "NewLifetimeRetEscapeTest.exe"
+    },
+    "includes": [
+        "../../includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "sha1_slice_level": 1,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}
diff --git a/NewLifetimeRetOkTest/App/main.vp b/NewLifetimeRetOkTest/App/main.vp
new file mode 100644
index 0000000..9d6b7f0
--- /dev/null
+++ b/NewLifetimeRetOkTest/App/main.vp
@@ -0,0 +1,64 @@
+from stdint import *
+import stdio
+import retdep
+
+
+# =============================================================================
+# 正向工程：A2 `@life(ret(...))` 契约**不得误报**（编译必须成功、运行退出码 0）
+#
+# 对照负向工程：
+#   · NewLifetimeRetEscapeTest —— 同模块 `ret(frame)` 的结果存进长命存储 → 必须报；
+#   · NewLifetimeRetXmodTest   —— 跨模块 `ret(borrows=x)`（经 .vpi 的 escr=）→ 必须报。
+#
+# 本工程覆盖：
+#   (1) 非帧契约（heap / static / borrows=none）→ 结果可存进**堆对象字段**（长命左值）；
+#   (2) ret(frame) → 结果只在本帧内使用 → 合法（不是"无害"，而是调用点按声明**放行**）；
+#   (3) ret(borrows=x) → 结果的生命期 = 实参 x 的生命期（本帧实参 → 帧内使用合法）；
+#   (4) 同模块（本文件契约表）与跨模块（retdep.vp，经 .vpi 的 escr=）两条取用路径都走一遍。
+#
+# 注意：本文件**不得**把 `ret(frame)` / `ret(borrows=x)` 的结果写进堆对象字段
+# （`h.p = …`）——那是负向工程负责证明会被拒的写法。
+# =============================================================================
+
+
+novirtual class Holder:
+    p: int*
+    c: char*
+
+
+# ---- 同模块契约（走本文件 EscDirTable，不经 .vpi）----
+
+@life(ret(heap))
+def LocalHeap() -> int*:
+    return new heap hlife int
+
+
+@life(ret(frame))
+def LocalFrame() -> int*:
+    l: int* = new stack int
+    return l
+
+
+export def main() -> int:
+    h: Holder* = new heap hlife Holder()
+
+    # (1) 非帧契约 → 存进堆对象字段（左值长命、右值非帧）→ 放行
+    h.p = retdep.MkHeap()          # 跨模块 ret(heap)
+    h.c = retdep.MkStatic()        # 跨模块 ret(static)
+    h.p = retdep.Fresh()           # 跨模块 ret(borrows=none)
+    h.p = LocalHeap()              # 同模块 ret(heap)
+
+    # (2) ret(frame)：结果只在本帧内使用 → 放行
+    pf: int* = retdep.FrameRet()   # 跨模块 ret(frame)
+    pl: int* = LocalFrame()        # 同模块 ret(frame)
+
+    # (3) ret(borrows=x)：结果生命期 = 实参生命期；实参在本帧 → 结果只在本帧用 → 放行
+    base: int* = new stack int
+    pb: int* = retdep.IdentBorrow(base)
+
+    if pf is None: return 1
+    if pl is None: return 2
+    if pb is None: return 3
+
+    stdio.printf("RetOkTest OK: @life(ret(...)) contracts accepted\n")
+    return 0
diff --git a/NewLifetimeRetOkTest/App/retdep.vp b/NewLifetimeRetOkTest/App/retdep.vp
new file mode 100644
index 0000000..e0137eb
--- /dev/null
+++ b/NewLifetimeRetOkTest/App/retdep.vp
@@ -0,0 +1,45 @@
+from stdint import *
+
+
+# =============================================================================
+# A2（§14）`@life(ret(...))` 的被调方：五种返回值生命期契约各一条。
+#
+# 调用点（main.vp）**跨模块**取用 → 本文件的契约只能经 .vpi 行尾
+# `# esc=… escn=… escr=…` 传递（本地契约表按文件重置，调用点必然查不到）。
+# 设计与编码见 Debugger/ownership-and-new.md §14.3 / §14.3.1（GenApi.RET_KIND_*）。
+# =============================================================================
+
+
+# ret(heap)：自由生命期 → 结果可自由存进长命存储
+@life(ret(heap))
+def MkHeap() -> int*:
+    return new heap hlife int
+
+
+# ret(static)：指向静态存储（字符串常量）
+@life(ret(static))
+def MkStatic() -> char*:
+    return "static-lit"
+
+
+# ret(borrows=none)：返回值**不借用任何形参** → 非本帧
+@life(ret(borrows=none))
+def Fresh() -> int*:
+    return new heap hlife int
+
+
+# ret(frame)：返回值可能指向**本帧**存储 → 去向由调用点负责
+# （A2 已移除定义端对 `return <本帧地址>` 的 fail-fast：定义端无法区分
+#   "交出本帧"与"借出调用方的存储"，一律拦会误报 `return <借用形参>`。）
+@life(ret(frame))
+def FrameRet() -> int*:
+    l: int* = new stack int
+    return l
+
+
+# ret(borrows=x)：返回值借用形参 x —— 调用点把结果当 x 的生命期。
+# 配 `noescape(x)`：本函数只**借出** x、不把它存进长命存储，故形参 x 不算逃逸；
+# 否则调用点会先在"实参逃逸"那条路径上拦下来，掩盖 ret 契约本身。
+@life(noescape(x), ret(borrows=x))
+def IdentBorrow(x: int*) -> int*:
+    return x
diff --git a/NewLifetimeRetOkTest/project.json b/NewLifetimeRetOkTest/project.json
new file mode 100644
index 0000000..a3f11e7
--- /dev/null
+++ b/NewLifetimeRetOkTest/project.json
@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "NewLifetimeRetOkTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "build_dir": "./.tpv_build",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32"],
+        "output": "NewLifetimeRetOkTest.exe"
+    },
+    "includes": [
+        "../../includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "sha1_slice_level": 1,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}
diff --git a/NewLifetimeRetXmodTest/App/main.vp b/NewLifetimeRetXmodTest/App/main.vp
new file mode 100644
index 0000000..3565642
--- /dev/null
+++ b/NewLifetimeRetXmodTest/App/main.vp
@@ -0,0 +1,43 @@
+from stdint import *
+import retdep2
+
+
+# =============================================================================
+# 负向工程（**应当编译失败**）：A2 **跨模块** `@life(ret(...))` —— 契约经 .vpi 的 `escr=`
+#
+# 被调者定义在 retdep2.vp，契约（含 ret_kind）只能经对方 .vpi 行尾的 `escr=` 传来；
+# 本文件里它的本地契约表必然为空 → 命中跨模块回退路径。
+#
+# 本工程验：跨模块声明为 `borrows=x` 的返回值（生命期 = 实参 = 本帧）被写进长命存储
+# 时必须被拒。期望报错：LifetimeError（`a longer-lived field/element`）。
+#
+# 隔离性：IdentBorrow 带 `@life(noescape(x))`，"实参逃逸"那条路径被清掉，
+#         故唯一的报错来源是 .vpi 的 `escr=` → ret(borrows=x) → 结果 LIFE_FRAME。
+# =============================================================================
+
+
+novirtual class Holder:
+    p: int*
+
+
+# 唯一用例：跨模块 ret(borrows=x) 的结果存进**堆对象**字段 → 左值长命、右值本帧
+def CaseBorrow() -> int:
+    h: Holder* = new heap hlife Holder()
+    l: int* = new stack int
+    h.p = retdep2.IdentBorrow(l)     # ❌ 期望 LifetimeError
+    return 0
+
+
+export def main() -> int:
+    CaseBorrow()
+    return 0
+
+
+# -----------------------------------------------------------------------------
+# 对照用例（把 main 里的 CaseBorrow() 换成本函数即可，一次只开一条）：
+#
+# def CaseFrame() -> int:
+#     h: Holder* = new heap hlife Holder()
+#     h.p = retdep2.FrameRet()         # ❌ 期望 LifetimeError
+#     return 0
+# -----------------------------------------------------------------------------
diff --git a/NewLifetimeRetXmodTest/App/retdep2.vp b/NewLifetimeRetXmodTest/App/retdep2.vp
new file mode 100644
index 0000000..4248d0a
--- /dev/null
+++ b/NewLifetimeRetXmodTest/App/retdep2.vp
@@ -0,0 +1,24 @@
+from stdint import *
+
+
+# =============================================================================
+# A2 跨模块负例的**被调方**：契约（逃逸掩码 + 返回值生命期）只能经本模块 .vpi
+# 行尾 `# esc=… escn=… escr=…` 传到调用点 —— 本文件与 main.vp 不同模块，
+# 调用点的本地契约表按文件重置、必然查不到，命中
+# CallGenBase.lookup_ret_kind_via_vpi → VpiReader 的 escr= 缓存这条回退路径。
+# =============================================================================
+
+
+# ret(borrows=x)：返回值借用形参 x —— 调用点把结果当 x 的生命期。
+# 配 `noescape(x)`：本函数只**借出** x、不把它存进长命存储 → 形参 x 不算逃逸，
+# 于是调用点上"实参逃逸"那条路径不会先报错，判据收敛到 ret 契约本身。
+@life(noescape(x), ret(borrows=x))
+def IdentBorrow(x: int*) -> int*:
+    return x
+
+
+# 对照：`ret(frame)`（把 main 的用例换成 CaseFrame 时用）。返回值指向本帧存储。
+@life(ret(frame))
+def FrameRet() -> int*:
+    l: int* = new stack int
+    return l
diff --git a/NewLifetimeRetXmodTest/project.json b/NewLifetimeRetXmodTest/project.json
new file mode 100644
index 0000000..6f09c5e
--- /dev/null
+++ b/NewLifetimeRetXmodTest/project.json
@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "NewLifetimeRetXmodTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "build_dir": "./.tpv_build",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32"],
+        "output": "NewLifetimeRetXmodTest.exe"
+    },
+    "includes": [
+        "../../includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "sha1_slice_level": 1,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}
diff --git a/README.md b/README.md
index 641b8a3..966bd84 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,9 @@
 ## 一·附、生命期 / 逃逸（escape）相关测试
 
 验证 M1–M3 的生命期检查（栈地址逃逸、借用传播、函数逃逸摘要）、`new` 描述符分配，
-以及 `new heap slife` 的 RAII 自动释放（M3）。因历史原因前 4 个位于**仓库根**（不在 `Test/` 下）：
+`new heap slife` 的 RAII 自动释放（M3），以及 `@life(...)` 标注面（P2 `willFree`、
+§14 `escape/stores`、`noescape/borrows`、A2 `ret(...)`：返回值生命期契约，声明优先于推断）。
+因历史原因前 4 个位于**仓库根**（不在 `Test/` 下）：
 
 | 项目 | 位置 | 期望结果 |
 |---|---|---|
@@ -142,6 +144,9 @@
 | NewLifetimeWillFreeAddrTest | [Test/NewLifetimeWillFreeAddrTest/](NewLifetimeWillFreeAddrTest/App/main.vp) | **编译失败**：P2 **取地址**路径 —— `stdlib.free(p)` 之后取 `&p` → `LifetimeError`（与读取同一口径） |
 | NewLifetimeFieldEscapeTest | [Test/NewLifetimeFieldEscapeTest/](NewLifetimeFieldEscapeTest/App/main.vp) | **编译失败**：P3 —— `h.p = &local`（堆对象字段收下本帧栈地址）→ `LifetimeError` |
 | NewLifetimeAnnFieldEscapeTest | [Test/NewLifetimeAnnFieldEscapeTest/](NewLifetimeAnnFieldEscapeTest/App/main.vp) | **编译失败**：P3 **注解形态** —— `h.p: int* = &local`（AnnAssign 属性目标，同一条规则；也守住"非 Name 目标不得被静默丢弃"）→ `LifetimeError` |
+| NewLifetimeRetOkTest | [Test/NewLifetimeRetOkTest/](NewLifetimeRetOkTest/App/main.vp) | **编译成功 + 退出码 0**：A2（§14）`@life(ret(...))` 契约**不得误报** —— `ret(heap)`/`ret(static)`/`ret(borrows=none)` 的结果存进堆对象字段；`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（`retdep.vp`，经 `.vpi` 的 `escr=`）两条取用路径都走一遍 |
+| NewLifetimeRetEscapeTest | [Test/NewLifetimeRetEscapeTest/](NewLifetimeRetEscapeTest/App/main.vp) | **编译失败**：A2 —— 同模块 `@life(ret(frame))` 的返回值被写进**堆对象字段**（长命左值）→ `LifetimeError`（A2 已移除定义端 `return <本帧地址>` 的 fail-fast，去向改由调用点按契约判定） |
+| NewLifetimeRetXmodTest | [Test/NewLifetimeRetXmodTest/](NewLifetimeRetXmodTest/App/main.vp) | **编译失败**：A2 **跨模块** —— 被调者（`retdep2.vp`）声明 `@life(noescape(x), ret(borrows=x))`，结果（生命期 = 实参 = 本帧）写进堆对象字段 → `LifetimeError`（契约经对方 `.vpi` 的 `escr=` 传来） |
 
 单独运行（`regression_test.py` 与 `SequentialRegressionTest.py` 都支持）：
 
@@ -166,7 +171,7 @@ python Test/run_lifetime_negative_tests.py --exe .\TransPyV\output\TransPyV.exe
 python Test/run_lifetime_negative_tests.py --exe .\TransPyV\output\TransPyV.exe --only EscapeMethodTest
 ```
 
-> 默认跑 `EscapeTest` / `EscapeMethodTest` / `EscapeXmodTest` / `NewLifetimeFreeTest` / `NewLifetimeAsyncTest` / `NewLifetimeWillFreeTest` / `NewLifetimeUseAfterFreeTest` / `NewLifetimeWillFreeKwargTest` / `NewLifetimeWillFreeMethodTest` / `NewLifetimeWillFreeAddrTest` / `NewLifetimeFieldEscapeTest` / `NewLifetimeAnnFieldEscapeTest`：断言**编译失败且输出含 `LifetimeError`**；编译成功 = 漏检（FAIL），报错但方向不符 = SKIP。
+> 默认跑 `EscapeTest` / `EscapeMethodTest` / `EscapeXmodTest` / `NewLifetimeFreeTest` / `NewLifetimeAsyncTest` / `NewLifetimeWillFreeTest` / `NewLifetimeUseAfterFreeTest` / `NewLifetimeWillFreeKwargTest` / `NewLifetimeWillFreeMethodTest` / `NewLifetimeWillFreeAddrTest` / `NewLifetimeFieldEscapeTest` / `NewLifetimeAnnFieldEscapeTest` / `NewLifetimeRetEscapeTest` / `NewLifetimeRetXmodTest`：断言**编译失败且输出含 `LifetimeError`**；编译成功 = 漏检（FAIL），报错但方向不符 = SKIP。
 
 负向项目在 `SequentialRegressionTest.py` 里是**反向判定**（`NEGATIVE_PROJECTS`）：编译失败且输出含 `LifetimeError` 才算通过，且**不再进入运行阶段**；编译成功 = 漏检，直接终止。`regression_test.py --escape` 会**剔除**这些项目（该脚本要求"编译成功 + 能跑"），负向断言请用 `SequentialRegressionTest.py --escape` 或上面的 `run_lifetime_negative_tests.py`。
 
diff --git a/SequentialRegressionTest.py b/SequentialRegressionTest.py
index 6ddb20a..1f624ac 100644
--- a/SequentialRegressionTest.py
+++ b/SequentialRegressionTest.py
@@ -36,12 +36,13 @@ OVERVIEW = os.path.join(TEST_DIR, "README.md")
 # ============================================================
 # 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**且输出含指定关键字（反向判定，且不运行可执行文件）。
 # 这些项目里的用例故意交出本帧栈地址（或跨模块摘要路径），必须被 M1–M2.3 的
@@ -69,6 +70,10 @@ NEGATIVE_PROJECTS = {
     "NewLifetimeFieldEscapeTest": "LifetimeError",
     # P3：obj.f: T = &local（注解形态的属性目标，同一条规则；防"非 Name 目标被静默丢弃"）
     "NewLifetimeAnnFieldEscapeTest": "LifetimeError",
+    # A2（§14）：@life(ret(frame)) 的结果存进堆对象字段（同模块契约表 EscDirTable）
+    "NewLifetimeRetEscapeTest": "LifetimeError",
+    # A2（§14）：@life(ret(borrows=x)) 的结果存进堆对象字段（跨模块，经 .vpi 的 escr=）
+    "NewLifetimeRetXmodTest": "LifetimeError",
 }
 
 # IR 断言：项目名 → 生成 IR 中**必须出现**的子串。
diff --git a/regression_test.py b/regression_test.py
index 38a43b7..4752a80 100644
--- a/regression_test.py
+++ b/regression_test.py
@@ -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):
diff --git a/run_lifetime_negative_tests.py b/run_lifetime_negative_tests.py
index 4043615..aa8bee4 100644
--- a/run_lifetime_negative_tests.py
+++ b/run_lifetime_negative_tests.py
@@ -34,7 +34,9 @@ PROJECT_ROOT = os.path.dirname(TEST_DIR)
 # NewLifetimeAsyncTest：M3 §4.2（协程体里的 `new heap slife` → 释放点无法确定，fail-fast）。
 # NewLifetimeWillFreeTest / NewLifetimeUseAfterFreeTest：P2（@life(willFree(p)) 标注驱动——
 #   二次释放 / 释放后使用，对应正向工程 NewLifetimeWillFreeOkTest）。
-NEGATIVE_PROJECTS = ["EscapeTest", "EscapeMethodTest", "EscapeXmodTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest"]
+# NewLifetimeRetEscapeTest / NewLifetimeRetXmodTest：A2（§14）`@life(ret(...))`——
+#   声明为 frame / borrows=x 的返回值被写进长命存储（同模块契约表 / 跨模块 .vpi 的 escr=）。
+NEGATIVE_PROJECTS = ["EscapeTest", "EscapeMethodTest", "EscapeXmodTest", "NewLifetimeFreeTest", "NewLifetimeAsyncTest", "NewLifetimeWillFreeTest", "NewLifetimeUseAfterFreeTest", "NewLifetimeWillFreeKwargTest", "NewLifetimeWillFreeMethodTest", "NewLifetimeWillFreeAddrTest", "NewLifetimeFieldEscapeTest", "NewLifetimeAnnFieldEscapeTest", "NewLifetimeRetEscapeTest", "NewLifetimeRetXmodTest"]
 EXPECT_KEYWORD = "LifetimeError"
 COMPILE_TIMEOUT = 300