Add js_repl_tools_only model and routing restrictions (#10671)

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#### [git stack](https://github.com/magus/git-stack-cli)
- ✅ `1` https://github.com/openai/codex/pull/10674
- ✅ `2` https://github.com/openai/codex/pull/10672
- 👉 `3` https://github.com/openai/codex/pull/10671
- ⏳ `4` https://github.com/openai/codex/pull/10673
- ⏳ `5` https://github.com/openai/codex/pull/10670

codex-rs/core/config.schema.json

@@ -224,6 +224,9 @@
             "js_repl": {
               "type": "boolean"
             },
+            "js_repl_tools_only": {
+              "type": "boolean"
+            },
             "memory_tool": {
               "type": "boolean"
             },
@@ -1308,6 +1311,9 @@
         "js_repl": {
           "type": "boolean"
         },
+        "js_repl_tools_only": {
+          "type": "boolean"
+        },
         "memory_tool": {
           "type": "boolean"
         },