diff --git a/src-tauri/src/provider.rs b/src-tauri/src/provider.rs
index b3c835141..ccc37ea40 100644
--- a/src-tauri/src/provider.rs
+++ b/src-tauri/src/provider.rs
@@ -406,6 +406,12 @@ pub struct CodexChatReasoningConfig {
     /// 靠穷举字段提取、并不读取本字段；保留作文档说明与未来按格式分发（如 think_tags）的预留。
     #[serde(rename = "outputFormat", skip_serializing_if = "Option::is_none")]
     pub output_format: Option<String>,
+    /// 运行时字段（不持久化、不进 meta）：当前请求模型在平台侧声明的合法 effort
+    /// 档位，由 resolve 按请求模型从供应商 `settings_config.modelCatalog` 的
+    /// `reasoningLevels`（逐模型声明，见 #6228）查表填充。仅 "zen" 值映射消费：
+    /// Some → 钳到合法档；None → 不发 effort 字段（模型未收录或为 toggle 型）。
+    #[serde(skip)]
+    pub effort_levels: Option<Vec<String>>,
 }
 
 /// Local proxy request overrides applied after route/protocol transforms.
diff --git a/src-tauri/src/proxy/providers/codex.rs b/src-tauri/src/proxy/providers/codex.rs
index b0e0dd8a0..2288bb1ba 100644
--- a/src-tauri/src/proxy/providers/codex.rs
+++ b/src-tauri/src/proxy/providers/codex.rs
@@ -339,15 +339,57 @@ pub fn resolve_codex_chat_reasoning_config(
     provider: &Provider,
     body: &JsonValue,
 ) -> Option<CodexChatReasoningConfig> {
-    if let Some(config) = provider
+    let mut config = if let Some(config) = provider
         .meta
         .as_ref()
         .and_then(|meta| meta.codex_chat_reasoning.clone())
     {
-        return Some(normalize_codex_chat_reasoning_config(config));
+        normalize_codex_chat_reasoning_config(config)
+    } else {
+        infer_codex_chat_reasoning_config(provider, body)?
+    };
+
+    // zen 的合法 effort 档位是逐模型的（models.dev：glm-5.2 仅 high|max、
+    // kimi-k3 仅 max、qwen/glm-5.1 等为 toggle 型无 effort），opencode 客户端
+    // 也严格按模型声明发值。按请求模型从 modelCatalog 的 reasoningLevels
+    // （#6228 引入的逐模型声明）查表附上；查不到（模型未收录 / 条目未声明
+    // effort）→ None，转换层将完全不发 reasoning_effort。
+    if config.effort_value_mode.as_deref() == Some("zen") {
+        config.effort_levels = zen_catalog_effort_levels(provider, body);
     }
 
-    infer_codex_chat_reasoning_config(provider, body)
+    Some(config)
+}
+
+/// 按请求模型从供应商 modelCatalog 查 Zen 合法 effort 档位（逐模型数据镜像
+/// models.dev 的 reasoning_options effort values）。仅做档位查表，不参与平台
+/// 判定——平台身份仍只由 name/base_url 决定（见 infer_aggregator_platform_config）。
+/// DB SSOT 为 camelCase，手写/旧数据可能为 snake_case，双格式兼容（与表单加载侧一致）。
+fn zen_catalog_effort_levels(provider: &Provider, body: &JsonValue) -> Option<Vec<String>> {
+    let model = body.get("model")?.as_str()?.trim();
+    if model.is_empty() {
+        return None;
+    }
+    let entries = provider
+        .settings_config
+        .get("modelCatalog")?
+        .get("models")?
+        .as_array()?;
+    let entry = entries.iter().find(|entry| {
+        entry
+            .get("model")
+            .and_then(|value| value.as_str())
+            .is_some_and(|name| name.eq_ignore_ascii_case(model))
+    })?;
+    let levels_value = entry
+        .get("reasoningLevels")
+        .or_else(|| entry.get("reasoning_levels"))?;
+    let levels: Vec<String> = levels_value
+        .as_array()?
+        .iter()
+        .filter_map(|level| level.as_str().map(str::to_string))
+        .collect();
+    (!levels.is_empty()).then_some(levels)
 }
 
 fn normalize_codex_chat_reasoning_config(
@@ -403,6 +445,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("reasoning_effort".to_string()),
             effort_value_mode: Some("deepseek".to_string()),
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -428,6 +471,7 @@ fn infer_codex_chat_reasoning_config(
                 .to_string(),
             ),
             output_format: Some("reasoning".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -439,6 +483,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -450,6 +495,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -461,6 +507,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -472,6 +519,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_details".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -483,6 +531,7 @@ fn infer_codex_chat_reasoning_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -512,6 +561,7 @@ fn infer_aggregator_platform_config(
             effort_param: Some("reasoning.effort".to_string()),
             effort_value_mode: Some("openrouter".to_string()),
             output_format: Some("auto".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -526,6 +576,7 @@ fn infer_aggregator_platform_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -542,6 +593,26 @@ fn infer_aggregator_platform_config(
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
+        });
+    }
+
+    // OpenCode Zen（opencode.ai 网关，issue #6112）：其自家客户端对该传输发顶层
+    // `reasoning_effort`（provider/transform.ts），平台归一参数；不发厂商原生
+    // thinking 形状（glm 模型走 zen 时套智谱 thinking:{type} 网关不认）。
+    // 合法档位逐模型（models.dev 的 reasoning_options，opencode 客户端同样严格
+    // 按模型声明发值）：具体档位表见供应商 modelCatalog 各条目的 reasoningLevels，
+    // 代理由此按请求模型查表钳制（resolve 处附上 effort_levels），无表不发字段。
+    // 匹配域名而非裸 "opencode"，避免误伤名字含 opencode 的无关供应商。
+    if platform.contains("opencode.ai") {
+        return Some(CodexChatReasoningConfig {
+            supports_thinking: Some(true),
+            supports_effort: Some(true),
+            thinking_param: Some("none".to_string()),
+            effort_param: Some("reasoning_effort".to_string()),
+            effort_value_mode: Some("zen".to_string()),
+            output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         });
     }
 
@@ -1526,6 +1597,7 @@ wire_api = "chat"
                 effort_param: Some("none".to_string()),
                 effort_value_mode: None,
                 output_format: Some("auto".to_string()),
+                effort_levels: None,
             }),
             ..Default::default()
         });
@@ -1617,6 +1689,139 @@ wire_api = "chat"
         assert_eq!(config.output_format.as_deref(), Some("reasoning_content"));
     }
 
+    #[test]
+    fn test_resolve_codex_chat_reasoning_opencode_zen_platform_overrides_model_vendor() {
+        let provider = create_provider(json!({
+            "config": r#"
+model_provider = "opencode"
+model = "glm-5.2"
+
+[model_providers.opencode]
+name = "OpenCode Go"
+base_url = "https://opencode.ai/zen/go/v1"
+wire_api = "chat"
+"#
+        }));
+
+        // 模型是 GLM（智谱自家用 thinking:{type} 方言），但平台是 OpenCode Zen ——
+        // 必须走平台配置：顶层 reasoning_effort + reasoning_content，
+        // 不得注入智谱 thinking 形状。
+        let config =
+            resolve_codex_chat_reasoning_config(&provider, &json!({ "model": "glm-5.2" })).unwrap();
+
+        assert_eq!(config.supports_thinking, Some(true));
+        assert_eq!(config.supports_effort, Some(true));
+        assert_eq!(config.thinking_param.as_deref(), Some("none"));
+        assert_eq!(config.effort_param.as_deref(), Some("reasoning_effort"));
+        assert_eq!(config.effort_value_mode.as_deref(), Some("zen"));
+        assert_eq!(config.output_format.as_deref(), Some("reasoning_content"));
+    }
+
+    #[test]
+    fn test_resolve_codex_chat_reasoning_zen_attaches_per_model_effort_levels() {
+        let provider = create_provider(json!({
+            "config": r#"
+model_provider = "opencode"
+model = "glm-5.2"
+
+[model_providers.opencode]
+name = "OpenCode Go"
+base_url = "https://opencode.ai/zen/go/v1"
+wire_api = "chat"
+"#,
+            "modelCatalog": {
+                "models": [
+                    { "model": "glm-5.2", "reasoningLevels": ["high", "max"] },
+                    { "model": "deepseek-v4-flash", "reasoningLevels": ["low", "high", "max"] },
+                    { "model": "glm-5.1" }
+                ]
+            }
+        }));
+
+        // 逐模型查表：声明了 reasoningLevels 的模型附上各自档位（模型名大小写不敏感）。
+        let config =
+            resolve_codex_chat_reasoning_config(&provider, &json!({ "model": "GLM-5.2" })).unwrap();
+        assert_eq!(
+            config.effort_levels,
+            Some(vec!["high".to_string(), "max".to_string()])
+        );
+
+        let config = resolve_codex_chat_reasoning_config(
+            &provider,
+            &json!({ "model": "deepseek-v4-flash" }),
+        )
+        .unwrap();
+        assert_eq!(
+            config.effort_levels,
+            Some(vec![
+                "low".to_string(),
+                "high".to_string(),
+                "max".to_string()
+            ])
+        );
+
+        // toggle 型模型（目录条目未声明 reasoningLevels）→ None：转换层不发 effort 字段。
+        let config =
+            resolve_codex_chat_reasoning_config(&provider, &json!({ "model": "glm-5.1" })).unwrap();
+        assert_eq!(config.effort_value_mode.as_deref(), Some("zen"));
+        assert!(config.effort_levels.is_none());
+
+        // 目录未收录的模型 → 同样 None。
+        let config =
+            resolve_codex_chat_reasoning_config(&provider, &json!({ "model": "kimi-k3" })).unwrap();
+        assert!(config.effort_levels.is_none());
+    }
+
+    #[test]
+    fn test_resolve_codex_chat_reasoning_zen_levels_attach_on_explicit_meta_too() {
+        let mut provider = create_provider(json!({
+            "config": r#"
+model_provider = "opencode"
+model = "deepseek-v4-flash"
+
+[model_providers.opencode]
+name = "OpenCode Go"
+base_url = "https://opencode.ai/zen/go/v1"
+wire_api = "chat"
+"#,
+            "modelCatalog": {
+                "models": [
+                    { "model": "deepseek-v4-flash", "reasoning_levels": ["low", "high", "max"] }
+                ]
+            }
+        }));
+        // 显式 meta（表单手选 zen 模式）同样要在 resolve 末端按请求模型附表；
+        // 且手写/旧数据可能是 snake_case 的 reasoning_levels（加载侧双格式兼容）。
+        provider.meta = Some(crate::provider::ProviderMeta {
+            codex_chat_reasoning: Some(CodexChatReasoningConfig {
+                supports_thinking: Some(true),
+                supports_effort: Some(true),
+                thinking_param: Some("none".to_string()),
+                effort_param: Some("reasoning_effort".to_string()),
+                effort_value_mode: Some("zen".to_string()),
+                output_format: Some("reasoning_content".to_string()),
+                effort_levels: None,
+            }),
+            ..Default::default()
+        });
+
+        let config = resolve_codex_chat_reasoning_config(
+            &provider,
+            &json!({ "model": "deepseek-v4-flash" }),
+        )
+        .unwrap();
+
+        assert_eq!(config.effort_value_mode.as_deref(), Some("zen"));
+        assert_eq!(
+            config.effort_levels,
+            Some(vec![
+                "low".to_string(),
+                "high".to_string(),
+                "max".to_string()
+            ])
+        );
+    }
+
     #[test]
     fn test_infer_codex_chat_reasoning_stepfun_per_model_effort() {
         let provider = create_provider(json!({
diff --git a/src-tauri/src/proxy/providers/transform_codex_chat.rs b/src-tauri/src/proxy/providers/transform_codex_chat.rs
index 2db253d9d..a864740dd 100644
--- a/src-tauri/src/proxy/providers/transform_codex_chat.rs
+++ b/src-tauri/src/proxy/providers/transform_codex_chat.rs
@@ -424,7 +424,11 @@ fn apply_reasoning_options(
     let Some(effort) = body.pointer("/reasoning/effort").and_then(|v| v.as_str()) else {
         return;
     };
-    let Some(mapped) = map_reasoning_effort(effort, config.effort_value_mode.as_deref()) else {
+    let Some(mapped) = map_reasoning_effort(
+        effort,
+        config.effort_value_mode.as_deref(),
+        config.effort_levels.as_deref(),
+    ) else {
         return;
     };
 
@@ -455,7 +459,11 @@ fn reasoning_requested(body: &Value) -> Option<bool> {
     body.get("reasoning").map(|value| !value.is_null())
 }
 
-fn map_reasoning_effort(effort: &str, mode: Option<&str>) -> Option<&'static str> {
+fn map_reasoning_effort<'a>(
+    effort: &str,
+    mode: Option<&str>,
+    effort_levels: Option<&'a [String]>,
+) -> Option<&'a str> {
     let effort = effort.trim().to_ascii_lowercase();
     if matches!(effort.as_str(), "none" | "off" | "disabled") {
         return None;
@@ -486,6 +494,31 @@ fn map_reasoning_effort(effort: &str, mode: Option<&str>) -> Option<&'static str
             "minimal" => Some("minimal"),
             _ => None,
         },
+        // OpenCode Zen：合法档位逐模型（表数据 = 供应商 modelCatalog 各条目的
+        // reasoningLevels，镜像 models.dev——glm-5.2 仅 high|max、deepseek-v4-flash
+        // 为 low|high|max、kimi-k3 仅 max），opencode 客户端也严格按模型声明发值，
+        // 故不能用统一并集映射。无表（模型未收录目录、或为 toggle/budget 型未声明
+        // effort）→ None，完全不发 reasoning_effort；有表 → 钳到「不小于请求的
+        // 最近合法档」，请求超出最高档则取最高合法档；请求值本身无法识别 → None
+        // （同其他模式的未知值丢弃策略）。
+        "zen" => {
+            let levels = effort_levels?;
+            let requested = zen_effort_rank(&effort)?;
+            levels
+                .iter()
+                .filter_map(|level| zen_effort_rank(level).map(|rank| (rank, level.as_str())))
+                .filter(|(rank, _)| *rank >= requested)
+                .min_by_key(|(rank, _)| *rank)
+                .or_else(|| {
+                    levels
+                        .iter()
+                        .filter_map(|level| {
+                            zen_effort_rank(level).map(|rank| (rank, level.as_str()))
+                        })
+                        .max_by_key(|(rank, _)| *rank)
+                })
+                .map(|(_, level)| level)
+        }
         _ => match effort.as_str() {
             "minimal" => Some("minimal"),
             "low" => Some("low"),
@@ -499,6 +532,21 @@ fn map_reasoning_effort(effort: &str, mode: Option<&str>) -> Option<&'static str
     }
 }
 
+/// Codex 规范档位序（minimal < low < medium < high < xhigh < max < ultra），供 zen
+/// 逐模型钳制做大小比较；目录里的非法/扩展值（如 "none"）返回 None，查表时被滤掉。
+fn zen_effort_rank(effort: &str) -> Option<u8> {
+    match effort.trim().to_ascii_lowercase().as_str() {
+        "minimal" => Some(0),
+        "low" => Some(1),
+        "medium" => Some(2),
+        "high" => Some(3),
+        "xhigh" => Some(4),
+        "max" => Some(5),
+        "ultra" => Some(6),
+        _ => None,
+    }
+}
+
 /// MiniMax 严格要求 messages 中只能首条出现 `role=system`，
 /// 否则返回 `invalid params, chat content has invalid message role: system (2013)`。
 /// 把所有 system 消息合并到首位，避免中间 system（如 Codex 的 `developer` 指令）触发该约束；
@@ -2029,19 +2077,22 @@ mod tests {
     fn map_reasoning_effort_handles_ultra_per_mode() {
         // passthrough 面向枚举未知的通用上游：ultra 与 max/xhigh 一样原值透传，
         // 让声明了该档位的上游能收到用户选择。
-        assert_eq!(map_reasoning_effort("ultra", None), Some("ultra"));
+        assert_eq!(map_reasoning_effort("ultra", None, None), Some("ultra"));
         // 已知枚举的专用模式钳到自身最高合法档，而不是走 None 被静默丢弃。
-        assert_eq!(map_reasoning_effort("ultra", Some("deepseek")), Some("max"));
         assert_eq!(
-            map_reasoning_effort("ultra", Some("low_high")),
+            map_reasoning_effort("ultra", Some("deepseek"), None),
+            Some("max")
+        );
+        assert_eq!(
+            map_reasoning_effort("ultra", Some("low_high"), None),
             Some("high")
         );
         assert_eq!(
-            map_reasoning_effort("ultra", Some("openrouter")),
+            map_reasoning_effort("ultra", Some("openrouter"), None),
             Some("xhigh")
         );
         // 真正的未知值仍然丢弃，防上游 400。
-        assert_eq!(map_reasoning_effort("turbo", None), None);
+        assert_eq!(map_reasoning_effort("turbo", None, None), None);
     }
 
     #[test]
@@ -2535,6 +2586,7 @@ mod tests {
             effort_param: Some("reasoning_effort".to_string()),
             effort_value_mode: Some("deepseek".to_string()),
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         };
 
         let result = responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
@@ -2576,6 +2628,7 @@ mod tests {
             effort_param: Some("reasoning.effort".to_string()),
             effort_value_mode: Some("openrouter".to_string()),
             output_format: Some("auto".to_string()),
+            effort_levels: None,
         };
 
         // max 不在 OpenRouter 枚举内（见 openclaw#77350），必须钳成 xhigh，
@@ -2617,6 +2670,7 @@ mod tests {
             effort_param: Some("reasoning.effort".to_string()),
             effort_value_mode: Some("openrouter".to_string()),
             output_format: Some("auto".to_string()),
+            effort_levels: None,
         };
 
         let input = json!({
@@ -2644,6 +2698,7 @@ mod tests {
             effort_param: Some("reasoning_effort".to_string()),
             effort_value_mode: Some("deepseek".to_string()),
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         };
 
         let input = json!({
@@ -2659,6 +2714,138 @@ mod tests {
         assert!(result.get("reasoning").is_none());
     }
 
+    #[test]
+    fn responses_request_to_chat_clamps_zen_effort_to_model_declared_levels() {
+        // OpenCode Zen 平台形态 + 逐模型档位钳制（表数据镜像 models.dev：glm-5.2
+        // 仅声明 high|max）。锁定：统一并集映射会把 Codex 默认的 medium 发给只声明
+        // high|max 的 glm-5.2（恰好是预设默认模型），严格校验的网关会报错；
+        // 低档一律上钳到最近合法档，超出最高档（含 Codex 扩展档 ultra）取最高合法档。
+        let config = CodexChatReasoningConfig {
+            supports_thinking: Some(true),
+            supports_effort: Some(true),
+            thinking_param: Some("none".to_string()),
+            effort_param: Some("reasoning_effort".to_string()),
+            effort_value_mode: Some("zen".to_string()),
+            output_format: Some("reasoning_content".to_string()),
+            effort_levels: Some(vec!["high".to_string(), "max".to_string()]),
+        };
+
+        for (input_effort, expected) in [
+            ("minimal", "high"),
+            ("low", "high"),
+            ("medium", "high"),
+            ("high", "high"),
+            ("xhigh", "max"),
+            ("max", "max"),
+            ("ultra", "max"),
+        ] {
+            let input = json!({
+                "model": "glm-5.2",
+                "input": "hello",
+                "reasoning": {"effort": input_effort}
+            });
+            let result =
+                responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
+            assert_eq!(
+                result["reasoning_effort"], expected,
+                "effort={input_effort}"
+            );
+            // 写成顶层 reasoning_effort；不发任何 thinking 字段
+            // （网关只认平台归一参数，不认厂商 thinking 形状）。
+            assert!(result.get("thinking").is_none());
+        }
+    }
+
+    #[test]
+    fn responses_request_to_chat_zen_preserves_low_when_model_declares_it() {
+        // deepseek-v4-flash 声明 low|high|max：low 合法原样透传，medium 上钳 high，
+        // xhigh 上钳 max——回归锁：旧 deepseek 厂商分支把非 max 一律归 high，
+        // 逐模型钳制不得比那更差，也不得发出声明外的值。
+        let config = CodexChatReasoningConfig {
+            supports_thinking: Some(true),
+            supports_effort: Some(true),
+            thinking_param: Some("none".to_string()),
+            effort_param: Some("reasoning_effort".to_string()),
+            effort_value_mode: Some("zen".to_string()),
+            output_format: Some("reasoning_content".to_string()),
+            effort_levels: Some(vec![
+                "low".to_string(),
+                "high".to_string(),
+                "max".to_string(),
+            ]),
+        };
+
+        for (input_effort, expected) in [
+            ("minimal", "low"),
+            ("low", "low"),
+            ("medium", "high"),
+            ("xhigh", "max"),
+        ] {
+            let input = json!({
+                "model": "deepseek-v4-flash",
+                "input": "hello",
+                "reasoning": {"effort": input_effort}
+            });
+            let result =
+                responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
+            assert_eq!(
+                result["reasoning_effort"], expected,
+                "effort={input_effort}"
+            );
+        }
+    }
+
+    #[test]
+    fn responses_request_to_chat_zen_single_level_model_clamps_everything_to_max() {
+        // kimi-k3 仅声明 max（全模型交集不存在，统一映射覆盖不了它——必须逐模型）：
+        // 任何请求档都钳到 max。
+        let config = CodexChatReasoningConfig {
+            supports_thinking: Some(true),
+            supports_effort: Some(true),
+            thinking_param: Some("none".to_string()),
+            effort_param: Some("reasoning_effort".to_string()),
+            effort_value_mode: Some("zen".to_string()),
+            output_format: Some("reasoning_content".to_string()),
+            effort_levels: Some(vec!["max".to_string()]),
+        };
+
+        for input_effort in ["minimal", "medium", "high", "max"] {
+            let input = json!({
+                "model": "kimi-k3",
+                "input": "hello",
+                "reasoning": {"effort": input_effort}
+            });
+            let result =
+                responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
+            assert_eq!(result["reasoning_effort"], "max", "effort={input_effort}");
+        }
+    }
+
+    #[test]
+    fn responses_request_to_chat_omits_zen_effort_without_model_levels() {
+        // 模型未在目录声明 effort（toggle/budget 型如 glm-5.1、qwen 系，或目录未收录）
+        // → 完全不发 reasoning_effort，避免给严格校验的网关送无法核实的值。
+        let config = CodexChatReasoningConfig {
+            supports_thinking: Some(true),
+            supports_effort: Some(true),
+            thinking_param: Some("none".to_string()),
+            effort_param: Some("reasoning_effort".to_string()),
+            effort_value_mode: Some("zen".to_string()),
+            output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
+        };
+
+        let input = json!({
+            "model": "glm-5.1",
+            "input": "hello",
+            "reasoning": {"effort": "medium"}
+        });
+        let result = responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
+
+        assert!(result.get("reasoning_effort").is_none());
+        assert!(result.get("thinking").is_none());
+    }
+
     #[test]
     fn responses_request_to_chat_maps_thinking_only_provider_without_effort() {
         let input = json!({
@@ -2673,6 +2860,7 @@ mod tests {
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         };
 
         let result = responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
@@ -2695,6 +2883,7 @@ mod tests {
             effort_param: Some("none".to_string()),
             effort_value_mode: None,
             output_format: Some("reasoning_content".to_string()),
+            effort_levels: None,
         };
 
         let result = responses_to_chat_completions_with_reasoning(input, Some(&config)).unwrap();
diff --git a/src/components/providers/forms/ProviderForm.tsx b/src/components/providers/forms/ProviderForm.tsx
index 04e370491..ab2600ec6 100644
--- a/src/components/providers/forms/ProviderForm.tsx
+++ b/src/components/providers/forms/ProviderForm.tsx
@@ -178,9 +178,9 @@ export const normalizeCodexCatalogModelsForSave = (
     );
 
     const baseInstructions = item.baseInstructions?.trim();
-    const reasoningLevels = item.reasoningLevels?.filter(
-      (level) => typeof level === "string" && level.trim(),
-    );
+    const reasoningLevels = item.reasoningLevels
+      ?.filter((level) => typeof level === "string" && level.trim())
+      .map((level) => level.trim());
     const defaultReasoningLevel = item.defaultReasoningLevel?.trim();
 
     normalized.push({
diff --git a/src/components/providers/forms/hooks/useCodexConfigState.ts b/src/components/providers/forms/hooks/useCodexConfigState.ts
index e6aa1ccc1..f1ead9c1e 100644
--- a/src/components/providers/forms/hooks/useCodexConfigState.ts
+++ b/src/components/providers/forms/hooks/useCodexConfigState.ts
@@ -29,6 +29,71 @@ function pickCodexApiKey(
   return extractCodexExperimentalBearerToken(configText) || "";
 }
 
+// 目录行 load 映射（隐藏字段白名单重建）。抽成可导出的纯函数，与
+// normalizeCodexCatalogModelsForSave 成对做 load→save 回环测试——
+// 任一侧丢字段都会静默清空供应商的逐模型声明（reasoningLevels、
+// baseInstructions 等），且 UI 无可察觉。
+export const mapCodexCatalogModelForForm = (item: any): CodexCatalogModel => {
+  // 隐藏字段（原生 Responses profile 用）不在行 UI 暴露，但必须 load→save
+  // 原样保留，否则编辑保存 MiMo/MiniMax 等会丢官方 base_instructions、
+  // 并行工具、图像模态。DB SSOT 为 camelCase、live 反解兜底可能为 snake_case，
+  // 双格式兼容（与 displayName/contextWindow 一致）。
+  const supportsParallelToolCalls =
+    typeof item?.supportsParallelToolCalls === "boolean"
+      ? item.supportsParallelToolCalls
+      : typeof item?.supports_parallel_tool_calls === "boolean"
+        ? item.supports_parallel_tool_calls
+        : undefined;
+  const inputModalities = Array.isArray(item?.inputModalities)
+    ? item.inputModalities
+    : Array.isArray(item?.input_modalities)
+      ? item.input_modalities
+      : undefined;
+  const baseInstructions =
+    typeof item?.baseInstructions === "string"
+      ? item.baseInstructions
+      : typeof item?.base_instructions === "string"
+        ? item.base_instructions
+        : undefined;
+  const reasoningLevels = Array.isArray(item?.reasoningLevels)
+    ? item.reasoningLevels
+    : Array.isArray(item?.reasoning_levels)
+      ? item.reasoning_levels
+      : undefined;
+  const defaultReasoningLevel =
+    typeof item?.defaultReasoningLevel === "string"
+      ? item.defaultReasoningLevel
+      : typeof item?.default_reasoning_level === "string"
+        ? item.default_reasoning_level
+        : undefined;
+  return {
+    model: typeof item?.model === "string" ? item.model : "",
+    displayName:
+      typeof item?.displayName === "string"
+        ? item.displayName
+        : typeof item?.display_name === "string"
+          ? item.display_name
+          : "",
+    contextWindow:
+      typeof item?.contextWindow === "string" ||
+      typeof item?.contextWindow === "number"
+        ? item.contextWindow
+        : typeof item?.context_window === "string" ||
+            typeof item?.context_window === "number"
+          ? item.context_window
+          : "",
+    ...(supportsParallelToolCalls !== undefined
+      ? { supportsParallelToolCalls }
+      : {}),
+    ...(inputModalities ? { inputModalities } : {}),
+    ...(baseInstructions ? { baseInstructions } : {}),
+    ...(reasoningLevels && reasoningLevels.length > 0
+      ? { reasoningLevels }
+      : {}),
+    ...(defaultReasoningLevel ? { defaultReasoningLevel } : {}),
+  };
+};
+
 /**
  * 管理 Codex 配置状态
  * Codex 配置包含两部分：auth.json (JSON) 和 config.toml (TOML 字符串)
@@ -70,66 +135,7 @@ export function useCodexConfigState({ initialData }: UseCodexConfigStateProps) {
         : [];
       setCodexCatalogModels(
         rawCatalogModels
-          .map((item: any) => {
-            // 隐藏字段（原生 Responses profile 用）不在行 UI 暴露，但必须 load→save
-            // 原样保留，否则编辑保存 MiMo/MiniMax 等会丢官方 base_instructions、
-            // 并行工具、图像模态。DB SSOT 为 camelCase、live 反解兜底可能为 snake_case，
-            // 双格式兼容（与 displayName/contextWindow 一致）。
-            const supportsParallelToolCalls =
-              typeof item?.supportsParallelToolCalls === "boolean"
-                ? item.supportsParallelToolCalls
-                : typeof item?.supports_parallel_tool_calls === "boolean"
-                  ? item.supports_parallel_tool_calls
-                  : undefined;
-            const inputModalities = Array.isArray(item?.inputModalities)
-              ? item.inputModalities
-              : Array.isArray(item?.input_modalities)
-                ? item.input_modalities
-                : undefined;
-            const baseInstructions =
-              typeof item?.baseInstructions === "string"
-                ? item.baseInstructions
-                : typeof item?.base_instructions === "string"
-                  ? item.base_instructions
-                  : undefined;
-            const reasoningLevels = Array.isArray(item?.reasoningLevels)
-              ? item.reasoningLevels
-              : Array.isArray(item?.reasoning_levels)
-                ? item.reasoning_levels
-                : undefined;
-            const defaultReasoningLevel =
-              typeof item?.defaultReasoningLevel === "string"
-                ? item.defaultReasoningLevel
-                : typeof item?.default_reasoning_level === "string"
-                  ? item.default_reasoning_level
-                  : undefined;
-            return {
-              model: typeof item?.model === "string" ? item.model : "",
-              displayName:
-                typeof item?.displayName === "string"
-                  ? item.displayName
-                  : typeof item?.display_name === "string"
-                    ? item.display_name
-                    : "",
-              contextWindow:
-                typeof item?.contextWindow === "string" ||
-                typeof item?.contextWindow === "number"
-                  ? item.contextWindow
-                  : typeof item?.context_window === "string" ||
-                      typeof item?.context_window === "number"
-                    ? item.context_window
-                    : "",
-              ...(supportsParallelToolCalls !== undefined
-                ? { supportsParallelToolCalls }
-                : {}),
-              ...(inputModalities ? { inputModalities } : {}),
-              ...(baseInstructions ? { baseInstructions } : {}),
-              ...(reasoningLevels && reasoningLevels.length > 0
-                ? { reasoningLevels }
-                : {}),
-              ...(defaultReasoningLevel ? { defaultReasoningLevel } : {}),
-            };
-          })
+          .map(mapCodexCatalogModelForForm)
           .filter((item: CodexCatalogModel) => item.model.trim()),
       );
 
diff --git a/src/config/codexProviderPresets.ts b/src/config/codexProviderPresets.ts
index e4941cca9..c075b0d62 100644
--- a/src/config/codexProviderPresets.ts
+++ b/src/config/codexProviderPresets.ts
@@ -1840,8 +1840,25 @@ requires_openai_auth = true`,
     ),
     endpointCandidates: ["https://opencode.ai/zen/go/v1"],
     apiFormat: "openai_chat",
+    // OpenCode Zen 网关：统一接受顶层 reasoning_effort（其自家客户端同款参数），
+    // 但合法档位逐模型（见各条目 reasoningLevels，镜像 models.dev；opencode
+    // 客户端同样严格按模型声明发值）——代理转换层按表钳制，未声明 effort 的
+    // 模型（toggle 型如 glm-5.1）不发该字段。不发厂商原生 thinking 字段。
+    codexChatReasoning: {
+      supportsThinking: true,
+      supportsEffort: true,
+      thinkingParam: "none",
+      effortParam: "reasoning_effort",
+      effortValueMode: "zen",
+      outputFormat: "reasoning_content",
+    },
     modelCatalog: modelCatalog([
-      { model: "glm-5.2", displayName: "GLM 5.2", contextWindow: 204800 },
+      {
+        model: "glm-5.2",
+        displayName: "GLM 5.2",
+        contextWindow: 204800,
+        reasoningLevels: ["high", "max"],
+      },
       { model: "glm-5.1", displayName: "GLM 5.1", contextWindow: 204800 },
       {
         model: "kimi-k2.7-code",
@@ -1852,11 +1869,13 @@ requires_openai_auth = true`,
         model: "deepseek-v4-pro",
         displayName: "DeepSeek V4 Pro",
         contextWindow: 1048576,
+        reasoningLevels: ["high", "max"],
       },
       {
         model: "deepseek-v4-flash",
         displayName: "DeepSeek V4 Flash",
         contextWindow: 1048576,
+        reasoningLevels: ["low", "high", "max"],
       },
       {
         model: "mimo-v2.5-pro",
diff --git a/src/types.ts b/src/types.ts
index 9930ae4d8..a04af690f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -142,7 +142,10 @@ export type CodexChatEffortValueMode =
   | "low_high"
   | "deepseek"
   // OpenRouter effort 枚举 xhigh|high|medium|low|minimal（无 max，max 钳到 xhigh）
-  | "openrouter";
+  | "openrouter"
+  // OpenCode Zen 网关：合法档位逐模型，见 modelCatalog 各条目 reasoningLevels
+  // （镜像 models.dev）；代理转换层按请求模型查表钳制，无表不发 effort 字段
+  | "zen";
 
 export type CodexChatReasoningOutputFormat =
   | "auto"
diff --git a/tests/components/ProviderForm.codexCatalog.test.ts b/tests/components/ProviderForm.codexCatalog.test.ts
index 95ad6fa37..65c06b183 100644
--- a/tests/components/ProviderForm.codexCatalog.test.ts
+++ b/tests/components/ProviderForm.codexCatalog.test.ts
@@ -1,5 +1,6 @@
 import { describe, expect, it } from "vitest";
 import { normalizeCodexCatalogModelsForSave } from "@/components/providers/forms/ProviderForm";
+import { mapCodexCatalogModelForForm } from "@/components/providers/forms/hooks/useCodexConfigState";
 
 describe("ProviderForm Codex catalog helpers", () => {
   it("normalizes catalog rows and removes empty or duplicate models", () => {
@@ -76,4 +77,43 @@ describe("ProviderForm Codex catalog helpers", () => {
       { model: "plain-model" },
     ]);
   });
+
+  it("round-trips reasoning levels through load and save without loss", () => {
+    // load→save 回环：加载映射（mapCodexCatalogModelForForm）与保存归一化
+    // （normalizeCodexCatalogModelsForSave）各锁半边时，回环丢字段两边都测不出——
+    // 而编辑保存丢表会让依赖逐模型档位的功能（zen 钳制）静默失效且 UI 无可察觉。
+    const stored = [
+      {
+        model: "glm-5.2",
+        displayName: "GLM 5.2",
+        reasoningLevels: ["high", "max"],
+      },
+      // 手写/旧数据可能是 snake_case，加载侧兼容后保存侧同样要留住
+      { model: "deepseek-v4-flash", reasoning_levels: ["low", "high", "max"] },
+      { model: "glm-5.1" }, // toggle 型：无表，全程不得凭空造表
+    ];
+
+    const roundTripped = normalizeCodexCatalogModelsForSave(
+      stored.map(mapCodexCatalogModelForForm),
+    );
+
+    expect(roundTripped).toEqual([
+      {
+        model: "glm-5.2",
+        displayName: "GLM 5.2",
+        reasoningLevels: ["high", "max"],
+      },
+      { model: "deepseek-v4-flash", reasoningLevels: ["low", "high", "max"] },
+      { model: "glm-5.1" },
+    ]);
+  });
+
+  it("trims reasoning level values on save", () => {
+    // 手编 JSON 里的 " high " 不得原样落库/发给上游。
+    expect(
+      normalizeCodexCatalogModelsForSave([
+        { model: "glm-5.2", reasoningLevels: [" high ", "max"] },
+      ]),
+    ).toEqual([{ model: "glm-5.2", reasoningLevels: ["high", "max"] }]);
+  });
 });
diff --git a/tests/config/codexChatProviderPresets.test.ts b/tests/config/codexChatProviderPresets.test.ts
index d71d0f1ca..f1d38ca27 100644
--- a/tests/config/codexChatProviderPresets.test.ts
+++ b/tests/config/codexChatProviderPresets.test.ts
@@ -242,4 +242,29 @@ describe("Codex Chat provider presets", () => {
       expect(preset?.codexChatReasoning).toBeUndefined();
     }
   });
+
+  it("ships per-model reasoningLevels for OpenCode Go mirroring models.dev", () => {
+    // Zen 网关的合法 effort 档位是逐模型的（models.dev reasoning_options，
+    // 2026-08）：统一并集映射会把 Codex 默认的 medium 发给只声明 high|max 的
+    // glm-5.2（默认路径），此测试锁住逐模型表，防回退。
+    const preset = codexProviderPresets.find((item) => item.name === "OpenCode Go");
+
+    expect(preset, "OpenCode Go preset").toBeDefined();
+    expect(preset?.codexChatReasoning?.effortValueMode).toBe("zen");
+    expect(
+      Object.fromEntries(
+        (preset?.modelCatalog ?? []).map((model) => [
+          model.model,
+          model.reasoningLevels ?? null,
+        ]),
+      ),
+    ).toEqual({
+      "glm-5.2": ["high", "max"],
+      "glm-5.1": null, // toggle 型，无 effort 声明
+      "kimi-k2.7-code": null,
+      "deepseek-v4-pro": ["high", "max"],
+      "deepseek-v4-flash": ["low", "high", "max"],
+      "mimo-v2.5-pro": null,
+    });
+  });
 });
diff --git a/tests/config/codexReasoningLevelPresets.test.ts b/tests/config/codexReasoningLevelPresets.test.ts
index 17031ad92..82676018d 100644
--- a/tests/config/codexReasoningLevelPresets.test.ts
+++ b/tests/config/codexReasoningLevelPresets.test.ts
@@ -103,6 +103,15 @@ describe("Codex preset pre-filled reasoning levels", () => {
     ["Kimi For Coding", "kimi-for-coding-highspeed", ["high"]],
     ["Kimi For Coding", "k3", ["low", "high", "max"], "high"],
     ["Kimi For Coding", "k3-256k", ["low", "high", "max"], "high"],
+    // OpenCode Go（Zen 网关）：opencode 客户端 variants() 严格按各模型在
+    // models.dev 的 reasoning_options 声明发 reasoning_effort（provider/
+    // transform.ts）——glm-5.2 / deepseek-v4-pro 仅 high|max、v4-flash 另
+    // 声明 low（均无 none：effort 档位非思考开关，none 会是假开关）。本 PR
+    // 已为该预设补上 codexChatReasoning（effortValueMode:"zen"），代理转换
+    // 层按同一张表逐模型钳制，表即下发生效的依据
+    ["OpenCode Go", "glm-5.2", ["high", "max"]],
+    ["OpenCode Go", "deepseek-v4-pro", ["high", "max"]],
+    ["OpenCode Go", "deepseek-v4-flash", ["low", "high", "max"]],
   ];
 
   it.each(EXPECTED)(
@@ -117,15 +126,16 @@ describe("Codex preset pre-filled reasoning levels", () => {
   );
 
   it("keeps deliberately-unfilled presets unfilled", () => {
-    // Bailian qwen3-coder-plus 无 per-model 档位证据；OpenCode Go 是多厂商
-    // Chat 网关且无 codexChatReasoning 声明（思考开关不生效，填 none 会是假
-    // 开关），逐模型语义未经网关验证前保持不填。SiliconFlow .cn 的 M2.5 能否
-    // 真正关思考无官方明文、ModelScope 是否透传思考字段未证实——真机验证前
-    // 不造两态假开关（2026-08-15 盘点结论）
+    // Bailian qwen3-coder-plus 无 per-model 档位证据。OpenCode Go 的
+    // toggle/未收录模型保持不填：glm-5.1 是 toggle 型（models.dev 无 effort
+    // 声明）、kimi-k2.7-code 官方标注不支持 effort、mimo-v2.5-pro 未收录
+    // models.dev——与 opencode 客户端一致（代理侧无表不发 reasoning_effort
+    // 字段）。SiliconFlow .cn 的 M2.5 能否真正关思考无官方明文、ModelScope
+    // 是否透传思考字段未证实——真机验证前不造两态假开关（2026-08-15 盘点结论）
     const UNFILLED: Array<[string, string]> = [
       ["Bailian", "qwen3-coder-plus"],
-      ["OpenCode Go", "glm-5.2"],
-      ["OpenCode Go", "deepseek-v4-flash"],
+      ["OpenCode Go", "glm-5.1"],
+      ["OpenCode Go", "kimi-k2.7-code"],
       ["OpenCode Go", "mimo-v2.5-pro"],
       ["SiliconFlow", "Pro/MiniMaxAI/MiniMax-M2.5"],
       ["ModelScope", "ZhipuAI/GLM-5.2"],