diff --git a/cloud/skills/software-engineering/tools/check_transplant.py b/cloud/skills/software-engineering/tools/check_transplant.py
index 3b22de6..ea62b6e 100644
--- a/cloud/skills/software-engineering/tools/check_transplant.py
+++ b/cloud/skills/software-engineering/tools/check_transplant.py
@@ -196,9 +196,9 @@ def extract_source(text):
     if len(matrix) != 1:
         raise ValueError("auditor matrix row: expected 1, found %d"
                          % len(matrix))
-    main_start = _find_exact(lines, lambda l: l == MAIN_HEADERS[0],
+    main_start = _find_exact(lines, lambda line: line == MAIN_HEADERS[0],
                              "main section heading")
-    honest = _find_exact(lines, lambda l: l.startswith("## 诚实边界"),
+    honest = _find_exact(lines, lambda line: line.startswith("## 诚实边界"),
                          "honesty section heading")
     if not main_start < honest:
         raise ValueError("main section does not precede honesty section")
@@ -206,15 +206,15 @@ def extract_source(text):
     while main and main[-1] == "":
         main.pop()
     check_start = _find_exact(
-        lines, lambda l: l.startswith("- 审计与推回走了吗？"),
+        lines, lambda line: line.startswith("- 审计与推回走了吗？"),
         "audit checklist item")
     check_end = _find_exact(
-        lines, lambda l: l.startswith("- QA 全链路走了吗？"),
+        lines, lambda line: line.startswith("- QA 全链路走了吗？"),
         "QA checklist item")
     audit_item = _collect_item(lines, check_start, "悄悄放行？")
     qa_item = _collect_item(lines, check_end, "重审重跑失败链路了吗？")
     app_start = _find_exact(
-        lines, lambda l: l.startswith("## 附录角色：") and "auditor" in l,
+        lines, lambda line: line.startswith("## 附录角色：") and "auditor" in line,
         "appendix auditor chapter")
     body = lines[app_start + 1:]
     while body and body[0] == "":
@@ -316,15 +316,15 @@ def apply_transplant(source_text, target_text, target_id):
     tlines = _lines(target_text)
     report = []
     # 1. matrix row after the QA row.
-    qa_row = _find_exact(tlines, lambda l: l.startswith("| QA / 测试 |"),
+    qa_row = _find_exact(tlines, lambda line: line.startswith("| QA / 测试 |"),
                          "target QA matrix row")
-    if any(l.startswith("## 附录角色：") and "auditor" in l for l in tlines):
+    if any(line.startswith("## 附录角色：") and "auditor" in line for line in tlines):
         raise ValueError("target already contains an auditor appendix chapter")
     out = list(tlines)
     out.insert(qa_row + 1, hunks["matrix_row"])
     report.append("matrix row inserted after target QA row")
     # 2. main section before the honesty heading (re-find after insert).
-    honest = _find_exact(out, lambda l: l.startswith("## 诚实边界"),
+    honest = _find_exact(out, lambda line: line.startswith("## 诚实边界"),
                          "target honesty heading")
     main, stopped = transform_main(hunks["main"], target_id)
     report.extend("STOPPED (not applied): " + s for s in stopped)
@@ -333,7 +333,7 @@ def apply_transplant(source_text, target_text, target_id):
                   "(%d lines, %d stopped paragraphs)"
                   % (len(main), len(stopped)))
     # 3. checklist items before "有一项为否".
-    check_end = _find_exact(out, lambda l: "有一项为否" in l,
+    check_end = _find_exact(out, lambda line: "有一项为否" in line,
                             "target checklist end")
     items = list(hunks["audit_item"])
     if target_id != "v05":
@@ -374,24 +374,24 @@ def check_anchors(source_text, target_text, target_id):
         return ["source hunks not extractable: %s" % exc]
     tlines = _lines(target_text)
     for what, pred in [
-            ("target QA matrix row", lambda l: l.startswith("| QA / 测试 |")),
-            ("target honesty heading", lambda l: l.startswith("## 诚实边界")),
-            ("target checklist end", lambda l: "有一项为否" in l),
-            ("target appendix intro", lambda l: l == "## 附录：角色模板（播种随附版）"),
+            ("target QA matrix row", lambda line: line.startswith("| QA / 测试 |")),
+            ("target honesty heading", lambda line: line.startswith("## 诚实边界")),
+            ("target checklist end", lambda line: "有一项为否" in line),
+            ("target appendix intro", lambda line: line == "## 附录：角色模板（播种随附版）"),
     ]:
-        if sum(1 for l in tlines if pred(l)) != 1:
+        if sum(1 for line in tlines if pred(line)) != 1:
             errors.append("anchor %s: expected 1, found %d"
-                          % (what, sum(1 for l in tlines if pred(l))))
+                          % (what, sum(1 for line in tlines if pred(line))))
     last_chapter = ("10-iteration" if target_id == "v05"
                     else "08-shared-core")
-    if not any(l.startswith("## 附录角色：%s" % last_chapter) for l in tlines):
+    if not any(line.startswith("## 附录角色：%s" % last_chapter) for line in tlines):
         errors.append("target appendix lacks last chapter %s" % last_chapter)
-    if any("auditor" in l and l.startswith("## 附录角色：") for l in tlines):
+    if any("auditor" in line and line.startswith("## 附录角色：") for line in tlines):
         errors.append("target already contains an auditor appendix chapter")
     for marker in MARKERS[target_id]:
         if marker not in target_text:
             errors.append("preserved marker missing in target: %s" % marker)
-    refs = [i + 1 for i, l in enumerate(tlines) if "templates/artifacts" in l]
+    refs = [i + 1 for i, line in enumerate(tlines) if "templates/artifacts" in line]
     print("anchors: source hunks OK (matrix + main %d lines + 2 checklist "
           "items + appendix %d lines)"
           % (len(hunks["main"]), len(hunks["appendix_body"])))
@@ -408,8 +408,8 @@ def check_transplanted(target_text, transplanted_text, target_id):
     for marker in MARKERS[target_id]:
         if marker not in transplanted_text:
             errors.append("preserved marker lost: %s" % marker)
-    rows = [l for l in _lines(transplanted_text)
-            if l.startswith("| 独立审计 |")]
+    rows = [line for line in _lines(transplanted_text)
+            if line.startswith("| 独立审计 |")]
     if len(rows) != 1:
         errors.append("auditor matrix row: expected 1, found %d" % len(rows))
     for header in MAIN_HEADERS:
diff --git a/cloud/tests/test_skill_transplant_prep.py b/cloud/tests/test_skill_transplant_prep.py
index e9d485c..3d47072 100644
--- a/cloud/tests/test_skill_transplant_prep.py
+++ b/cloud/tests/test_skill_transplant_prep.py
@@ -268,7 +268,7 @@ class TransplantPrepTestCase(unittest.TestCase):
                 self, {"cmd": "apply", "target_id": "v03"}, tmp_o)
             self.assertEqual(result.returncode, 0, result.stderr)
             lines = draft.read_text(encoding="utf-8").split("\n")
-            kept = [l for l in lines if not l.startswith("- 标记行：")]
+            kept = [line for line in lines if not line.startswith("- 标记行：")]
             self.assertLess(len(kept), len(lines))
             draft.write_text("\n".join(kept), encoding="utf-8")
             check = subprocess.run(
@@ -282,7 +282,7 @@ class TransplantPrepTestCase(unittest.TestCase):
         # v5 用户定稿（2026-11-02）：§4 的 6 处引用经用户签字删除，
         # 本测试由“钉住 6 处”改为“钉住 0 处”，防止删除后悄悄回潮。
         text = SKILL_MD.read_text(encoding="utf-8")
-        refs = [l for l in text.split("\n") if "templates/artifacts" in l]
+        refs = [line for line in text.split("\n") if "templates/artifacts" in line]
         self.assertEqual(len(refs), 0, refs)
         self.assertIn("## 独立审计与自动推回", text)
         # 集成基底章节表：审计章在 v0.5 表里编号为 11-auditor
diff --git a/cloud/tests/test_v2cov_transplant.py b/cloud/tests/test_v2cov_transplant.py
index 62484f3..923a9de 100644
--- a/cloud/tests/test_v2cov_transplant.py
+++ b/cloud/tests/test_v2cov_transplant.py
@@ -224,9 +224,9 @@ class ExtractTestCase(unittest.TestCase):
         self.assertEqual(CT._lines("a\nb"), ["a", "b"])
         lines = ["x", "y", "x"]
         with self.assertRaises(ValueError):
-            CT._find_exact(lines, lambda l: l == "z", "missing")
+            CT._find_exact(lines, lambda line: line == "z", "missing")
         with self.assertRaises(ValueError):
-            CT._find_exact(lines, lambda l: l == "x", "duplicated")
+            CT._find_exact(lines, lambda line: line == "x", "duplicated")
         err = io.StringIO()
         with contextlib.redirect_stderr(err):
             self.assertEqual(CT.fail("boom"), 1)
@@ -431,8 +431,8 @@ class CheckTransplantedTestCase(unittest.TestCase):
     def test_check_marker_and_matrix_errors(self):
         draft = self._draft("v03")
         target = _target_fixture("v03")
-        dropped = "\n".join(l for l in draft.split("\n")
-                            if not l.startswith("- 标记行："))
+        dropped = "\n".join(line for line in draft.split("\n")
+                            if not line.startswith("- 标记行："))
         errors = CT.check_transplanted(target, dropped, "v03")
         self.assertTrue(any("preserved marker lost" in e for e in errors))
         no_row = draft.replace("| 独立审计 | 1 | 只写审计记录 | 审计结论 |\n", "")
diff --git a/cloud/workers.py b/cloud/workers.py
index 681d39b..9729692 100644
--- a/cloud/workers.py
+++ b/cloud/workers.py
@@ -719,9 +719,6 @@ def _worker_to_dict(row):
         "address": _get("address"),
         "last_seen": _get("last_seen"),
         "created_at": _get("created_at"),
-        "host": _get("host"),
-        "pid": _get("pid"),
-        "address": _get("address"),
     }