diff --git a/text8.txt b/text8.txt
index 74a5268..f951526 100644
--- a/text8.txt
+++ b/text8.txt
@@ -1270,3 +1270,53 @@ host_wasm_opfs_browser_smokes=ok
 继续小批量 browser OPFS test glue guard。优先扫描 custom session 中
 `loadMachineSessionFromOpfs(...)` options object 是否还能用 helper/locals 收敛；
 只改测试胶水，不改变 custom filename 输入、OPFS path、WASM path 字符串或保存/读取行为。
+
+二十八、2026-06-14 继续执行记录：browser OPFS custom session load options helper guard
+
+本轮按上一条下一步建议继续收敛 custom session 的
+`loadMachineSessionFromOpfs(...)` options object，范围仍只触及
+`wasm-port/tests/browser/interp_smoke.html` 的 browser/OPFS test glue。
+
+完成内容：
+
+- 新增 `opfsCustomSessionLoadOptions(...)`，统一 custom session load options 中
+  `iniSdk`、`iniWasmPath`、`parameterWasmPath`、`toolTableWasmPath` 的构造；
+- INI-named session 的 load options 复用 `opfsCustomSessionLoadOptions(...)`；
+- explicit override session 的 load options 复用 `opfsCustomSessionLoadOptions(...)`，
+  并继续显式传入 `parameterFilename` 与 `toolTableFilename` overrides；
+- 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 的 save
+parameter/tool-table options object 是否还能用 locals/helper 收敛；只改测试胶水，
+不改变 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 e932dee..0a80926 100644
--- a/wasm-port/tests/browser/interp_smoke.html
+++ b/wasm-port/tests/browser/interp_smoke.html
@@ -4614,6 +4614,22 @@
       ].join("\n");
     }
 
+    function opfsCustomSessionLoadOptions(
+      iniSdk,
+      iniWasmPath,
+      parameterWasmPath,
+      toolTableWasmPath,
+      filenameOverrides = {},
+    ) {
+      return {
+        iniSdk,
+        iniWasmPath,
+        ...filenameOverrides,
+        parameterWasmPath,
+        toolTableWasmPath,
+      };
+    }
+
     async function verifyOpfsSavedText(label, loadActualText, expectedLines) {
       verifyExpectedOutput(label, await loadActualText(), expectedLines.join("\n"));
     }
@@ -9540,12 +9556,12 @@
       const loadedIniFileSession = await loadMachineSessionFromOpfs(
         interp,
         iniFileMachineId,
-        {
-          iniSdk: ini,
-          iniWasmPath: iniFileIniWasmPath,
-          parameterWasmPath: iniFileParameterWasmPath,
-          toolTableWasmPath: iniFileToolTableWasmPath,
-        },
+        opfsCustomSessionLoadOptions(
+          ini,
+          iniFileIniWasmPath,
+          iniFileParameterWasmPath,
+          iniFileToolTableWasmPath,
+        ),
       );
       assertOpfsSessionStaging(
         "opfs_load_ini_named_session_staging",
@@ -9668,14 +9684,16 @@
       const loadedIniOverrideSession = await loadMachineSessionFromOpfs(
         interp,
         iniOverrideMachineId,
-        {
-          iniSdk: ini,
-          iniWasmPath: iniOverrideIniWasmPath,
-          parameterFilename: explicitParameterFilename,
-          parameterWasmPath: explicitParameterWasmPath,
-          toolTableFilename: explicitToolTableFilename,
-          toolTableWasmPath: explicitToolTableWasmPath,
-        },
+        opfsCustomSessionLoadOptions(
+          ini,
+          iniOverrideIniWasmPath,
+          explicitParameterWasmPath,
+          explicitToolTableWasmPath,
+          {
+            parameterFilename: explicitParameterFilename,
+            toolTableFilename: explicitToolTableFilename,
+          },
+        ),
       );
       assertOpfsSessionStaging(
         "opfs_load_explicit_session_staging",