diff --git a/text8.txt b/text8.txt
index 993b6ed..02a546b 100644
--- a/text8.txt
+++ b/text8.txt
@@ -1425,3 +1425,57 @@ host_wasm_opfs_browser_smokes=ok
 parameter value groups 是否还能和 result/readback expected helper 对齐为 locals；
 只改测试胶水，不改变参数值、custom filename 输入、OPFS path、WASM path 字符串或
 保存/读取行为。
+
+三十一、2026-06-14 继续执行记录：browser OPFS custom session parameter value locals guard
+
+本轮按上一条下一步建议继续收敛 custom session 中 repeated parameter value groups，
+范围仍只触及 `wasm-port/tests/browser/interp_smoke.html` 的 browser/OPFS test glue。
+
+完成内容：
+
+- 为 INI-named session 增加 `iniNamedParameterValues`、
+  `iniNamedParameterExpectedValues`、`iniNamedParameterReadbackValues` 局部常量；
+- INI-named session 的 save value object、save result expected lines、saved
+  parameter readback expected lines 均复用这些局部常量；
+- 为 explicit override session 增加 `explicitParameterValues`、
+  `explicitParameterExpectedValues`、`explicitParameterReadbackValues` 局部常量；
+- explicit override session 的 save value object、save result expected lines、saved
+  parameter readback expected lines 均复用这些局部常量；
+- 数字保存值与字符串 expected/readback 值仍分开显式声明，未新增格式转换逻辑；
+- `5220` 仍固定为 `1.0`，实际保存参数值不变；
+- custom parameter/tool-table filename 输入、OPFS path、WASM path 字符串与
+  save/read 行为均未改变；
+- 未改变 staging path 模型、OPFS bridge behavior、file-service、SDK planner、
+  interpreter、INI、tool、parameter 或 LinuxCNC-owned runtime semantics。
+
+验证已通过：
+
+```bash
+git diff --check
+SKIP_INI_BUILD=1 SKIP_INTERP_BUILD=1 wasm-port/tests/browser/verify_interp_browser.sh
+wasm-port/tools/verify_vendor_sync.sh
+wasm-port/tools/verify_no_standalone_cnc_semantics.sh
+SKIP_INTERP_BUILD=1 wasm-port/tests/wasm/node/verify_interp_wasm.sh
+SKIP_INTERP_BUILD=1 wasm-port/tests/wasm/node/verify_sim_configs_inventory_wasm.sh
+wasm-port/tests/host/verify_host_smokes.sh
+```
+
+关键输出：
+
+```text
+browser_interp_smoke=ok
+vendor sync up to date
+standalone CNC semantics guard complete
+interp_wasm_node_smoke=ok
+sim_configs_wasm_node_inventory_executed=28
+sim_configs_wasm_node_inventory_passed=28
+sim_configs_wasm_node_inventory_skipped=131
+sim_configs_wasm_node_inventory_unexpected_fail=0
+host_wasm_opfs_browser_smokes=ok
+```
+
+下一步建议：
+
+继续小批量 browser OPFS test glue guard。优先扫描 custom session 中 initial
+parameter seed/load/backup expected value groups 是否还能对齐为 locals；只改测试胶水，
+不改变参数值、custom filename 输入、OPFS path、WASM path 字符串或保存/读取行为。
diff --git a/wasm-port/tests/browser/interp_smoke.html b/wasm-port/tests/browser/interp_smoke.html
index 160983e..ccde97a 100644
--- a/wasm-port/tests/browser/interp_smoke.html
+++ b/wasm-port/tests/browser/interp_smoke.html
@@ -9598,10 +9598,13 @@
         loadedIniFileSession.parameters,
         opfsParameterResultLines("restore", "31.25", "62.5", "4.5", "99"),
       );
+      const iniNamedParameterValues = [33.75, 67.5, 5.25, 199];
+      const iniNamedParameterExpectedValues = ["33.75", "67.5", "5.25", "199"];
+      const iniNamedParameterReadbackValues = ["33.750000", "67.500000", "5.250000", "199.000000"];
       const savedIniNamedParameters = await saveMachineParametersToOpfs(
         interp,
         iniFileMachineId,
-        opfsParameterValues(33.75, 67.5, 5.25, 199),
+        opfsParameterValues(...iniNamedParameterValues),
         opfsLoadedFileSaveOptions(loadedIniFileSession.parameters),
       );
       assertOpfsSavedParameterStaging(
@@ -9614,12 +9617,12 @@
       verifyOpfsSaveResult(
         "opfs_save_ini_named_parameter_file",
         savedIniNamedParameters,
-        opfsParameterResultLines("save", "33.75", "67.5", "5.25", "199"),
+        opfsParameterResultLines("save", ...iniNamedParameterExpectedValues),
       );
       await verifyOpfsReadback(
         "opfs_saved_ini_named_parameter_text",
         loadedIniFileSession.parameters.opfsPath,
-        opfsParameterTextLines("\t", "33.750000", "67.500000", "5.250000", "199.000000"),
+        opfsParameterTextLines("\t", ...iniNamedParameterReadbackValues),
       );
       await verifyOpfsReadback(
         "opfs_saved_ini_named_parameter_backup_text",
@@ -9727,10 +9730,13 @@
           "tool_1.comment=browser explicit tool",
         ]),
       );
+      const explicitParameterValues = [51.25, 102.5, 7.5, 202];
+      const explicitParameterExpectedValues = ["51.25", "102.5", "7.5", "202"];
+      const explicitParameterReadbackValues = ["51.250000", "102.500000", "7.500000", "202.000000"];
       const savedExplicitParameters = await saveMachineParametersToOpfs(
         interp,
         iniOverrideMachineId,
-        opfsParameterValues(51.25, 102.5, 7.5, 202),
+        opfsParameterValues(...explicitParameterValues),
         opfsLoadedFileSaveOptions(loadedIniOverrideSession.parameters),
       );
       assertOpfsSavedParameterStaging(
@@ -9743,12 +9749,12 @@
       verifyOpfsSaveResult(
         "opfs_save_explicit_parameter_file",
         savedExplicitParameters,
-        opfsParameterResultLines("save", "51.25", "102.5", "7.5", "202"),
+        opfsParameterResultLines("save", ...explicitParameterExpectedValues),
       );
       await verifyOpfsReadback(
         "opfs_saved_explicit_parameter_text",
         loadedIniOverrideSession.parameters.opfsPath,
-        opfsParameterTextLines("\t", "51.250000", "102.500000", "7.500000", "202.000000"),
+        opfsParameterTextLines("\t", ...explicitParameterReadbackValues),
       );
       await verifyOpfsReadback(
         "opfs_saved_explicit_parameter_backup_text",