diff --git a/scripts/dev-api.js b/scripts/dev-api.js
index 5e3b7f6..9af0a33 100644
--- a/scripts/dev-api.js
+++ b/scripts/dev-api.js
@@ -3325,6 +3325,7 @@ const HERMES_STREAMING_TRANSPORTS = new Set(['auto', 'draft', 'edit', 'off'])
 const HERMES_CODE_EXECUTION_MODES = new Set(['project', 'strict'])
 const HERMES_TERMINAL_BACKENDS = new Set(['local', 'ssh', 'docker', 'singularity', 'modal', 'daytona', 'vercel_sandbox'])
 const HERMES_BROWSER_ENGINES = new Set(['auto', 'lightpanda', 'chrome'])
+const HERMES_AGENT_IMAGE_INPUT_MODES = new Set(['auto', 'native', 'text'])
 const HERMES_DISPLAY_TOOL_PROGRESS_VALUES = new Set(['off', 'new', 'all', 'verbose'])
 const HERMES_DISPLAY_STREAMING_VALUES = new Set(['inherit', 'true', 'false'])
 const HERMES_DISPLAY_RESUME_VALUES = new Set(['full', 'minimal'])
@@ -3409,6 +3410,13 @@ function normalizeHermesBrowserEngine(value, strict = false) {
   return 'auto'
 }
 
+function normalizeHermesImageInputMode(value, strict = false) {
+  const mode = String(value ?? '').trim().toLowerCase() || 'auto'
+  if (HERMES_AGENT_IMAGE_INPUT_MODES.has(mode)) return mode
+  if (strict) throw new Error('agent.image_input_mode 必须是 auto、native 或 text')
+  return 'auto'
+}
+
 function normalizeHermesDisplayToolProgress(value, strict = false, key = 'display.tool_progress') {
   const progress = String(value ?? '').trim().toLowerCase() || 'all'
   if (HERMES_DISPLAY_TOOL_PROGRESS_VALUES.has(progress)) return progress
@@ -3733,6 +3741,43 @@ export function mergeHermesAgentToolsetsConfig(config = {}, form = {}) {
   return next
 }
 
+export function buildHermesAgentRuntimeConfigValues(config = {}) {
+  const root = config && typeof config === 'object' && !Array.isArray(config) ? config : {}
+  const agent = root.agent && typeof root.agent === 'object' && !Array.isArray(root.agent)
+    ? root.agent
+    : {}
+  return {
+    agentMaxTurns: parseHermesInteger(agent.max_turns, 'agent.max_turns', 90, 1, 10000, false),
+    gatewayTimeout: parseHermesInteger(agent.gateway_timeout, 'agent.gateway_timeout', 1800, 0, 604800, false),
+    restartDrainTimeout: parseHermesInteger(agent.restart_drain_timeout, 'agent.restart_drain_timeout', 180, 0, 86400, false),
+    apiMaxRetries: parseHermesInteger(agent.api_max_retries, 'agent.api_max_retries', 3, 1, 20, false),
+    gatewayTimeoutWarning: parseHermesInteger(agent.gateway_timeout_warning, 'agent.gateway_timeout_warning', 900, 0, 604800, false),
+    clarifyTimeout: parseHermesInteger(agent.clarify_timeout, 'agent.clarify_timeout', 600, 0, 86400, false),
+    gatewayNotifyInterval: parseHermesInteger(agent.gateway_notify_interval, 'agent.gateway_notify_interval', 180, 0, 86400, false),
+    gatewayAutoContinueFreshness: parseHermesInteger(agent.gateway_auto_continue_freshness, 'agent.gateway_auto_continue_freshness', 3600, 0, 604800, false),
+    imageInputMode: normalizeHermesImageInputMode(agent.image_input_mode, false),
+  }
+}
+
+export function mergeHermesAgentRuntimeConfig(config = {}, form = {}) {
+  const next = mergeConfigsPreservingFields({}, config && typeof config === 'object' && !Array.isArray(config) ? config : {})
+  const currentValues = buildHermesAgentRuntimeConfigValues(next)
+  const agent = next.agent && typeof next.agent === 'object' && !Array.isArray(next.agent)
+    ? mergeConfigsPreservingFields(next.agent, {})
+    : {}
+  agent.max_turns = parseHermesInteger(Object.hasOwn(form, 'agentMaxTurns') ? form.agentMaxTurns : currentValues.agentMaxTurns, 'agent.max_turns', 90, 1, 10000, true)
+  agent.gateway_timeout = parseHermesInteger(Object.hasOwn(form, 'gatewayTimeout') ? form.gatewayTimeout : currentValues.gatewayTimeout, 'agent.gateway_timeout', 1800, 0, 604800, true)
+  agent.restart_drain_timeout = parseHermesInteger(Object.hasOwn(form, 'restartDrainTimeout') ? form.restartDrainTimeout : currentValues.restartDrainTimeout, 'agent.restart_drain_timeout', 180, 0, 86400, true)
+  agent.api_max_retries = parseHermesInteger(Object.hasOwn(form, 'apiMaxRetries') ? form.apiMaxRetries : currentValues.apiMaxRetries, 'agent.api_max_retries', 3, 1, 20, true)
+  agent.gateway_timeout_warning = parseHermesInteger(Object.hasOwn(form, 'gatewayTimeoutWarning') ? form.gatewayTimeoutWarning : currentValues.gatewayTimeoutWarning, 'agent.gateway_timeout_warning', 900, 0, 604800, true)
+  agent.clarify_timeout = parseHermesInteger(Object.hasOwn(form, 'clarifyTimeout') ? form.clarifyTimeout : currentValues.clarifyTimeout, 'agent.clarify_timeout', 600, 0, 86400, true)
+  agent.gateway_notify_interval = parseHermesInteger(Object.hasOwn(form, 'gatewayNotifyInterval') ? form.gatewayNotifyInterval : currentValues.gatewayNotifyInterval, 'agent.gateway_notify_interval', 180, 0, 86400, true)
+  agent.gateway_auto_continue_freshness = parseHermesInteger(Object.hasOwn(form, 'gatewayAutoContinueFreshness') ? form.gatewayAutoContinueFreshness : currentValues.gatewayAutoContinueFreshness, 'agent.gateway_auto_continue_freshness', 3600, 0, 604800, true)
+  agent.image_input_mode = normalizeHermesImageInputMode(Object.hasOwn(form, 'imageInputMode') ? form.imageInputMode : currentValues.imageInputMode, true)
+  next.agent = agent
+  return next
+}
+
 function validateHermesQuickCommands(value) {
   if (!value || typeof value !== 'object' || Array.isArray(value)) {
     throw new Error('quick_commands 必须是 JSON 对象')
@@ -10493,6 +10538,27 @@ const handlers = {
     }
   },
 
+  hermes_agent_runtime_config_read() {
+    const { configPath, exists, config } = readHermesConfigYamlObject()
+    return {
+      exists,
+      configPath,
+      values: buildHermesAgentRuntimeConfigValues(config),
+    }
+  },
+
+  hermes_agent_runtime_config_save({ form } = {}) {
+    const { configPath, config } = readHermesConfigYamlObject()
+    const next = mergeHermesAgentRuntimeConfig(config, form || {})
+    const backup = writeHermesConfigYamlObject(configPath, next)
+    return {
+      ok: true,
+      configPath,
+      backup,
+      values: buildHermesAgentRuntimeConfigValues(next),
+    }
+  },
+
   hermes_unauthorized_dm_config_read() {
     const { configPath, exists, config } = readHermesConfigYamlObject()
     return {
diff --git a/src-tauri/src/commands/hermes.rs b/src-tauri/src/commands/hermes.rs
index d46f69a..37f1052 100644
--- a/src-tauri/src/commands/hermes.rs
+++ b/src-tauri/src/commands/hermes.rs
@@ -3912,6 +3912,173 @@ fn merge_hermes_agent_toolsets_config(
     Ok(())
 }
 
+fn normalize_hermes_image_input_mode(
+    value: Option<String>,
+    strict: bool,
+) -> Result<String, String> {
+    let mode = value.unwrap_or_default().trim().to_ascii_lowercase();
+    let mode = if mode.is_empty() {
+        "auto".to_string()
+    } else {
+        mode
+    };
+    if matches!(mode.as_str(), "auto" | "native" | "text") {
+        return Ok(mode);
+    }
+    if strict {
+        Err("agent.image_input_mode 必须是 auto、native 或 text".to_string())
+    } else {
+        Ok("auto".to_string())
+    }
+}
+
+fn build_hermes_agent_runtime_config_values(config: &serde_yaml::Value) -> Value {
+    let root = config.as_mapping();
+    let agent = root.and_then(|map| yaml_get_mapping(map, "agent"));
+
+    let image_input_mode = normalize_hermes_image_input_mode(
+        agent.and_then(|map| yaml_string_field(map, "image_input_mode")),
+        false,
+    )
+    .unwrap_or_else(|_| "auto".to_string());
+
+    serde_json::json!({
+        "agentMaxTurns": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "max_turns"), 90, 1, 10000)).unwrap_or(90),
+        "gatewayTimeout": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "gateway_timeout"), 1800, 0, 604800)).unwrap_or(1800),
+        "restartDrainTimeout": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "restart_drain_timeout"), 180, 0, 86400)).unwrap_or(180),
+        "apiMaxRetries": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "api_max_retries"), 3, 1, 20)).unwrap_or(3),
+        "gatewayTimeoutWarning": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "gateway_timeout_warning"), 900, 0, 604800)).unwrap_or(900),
+        "clarifyTimeout": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "clarify_timeout"), 600, 0, 86400)).unwrap_or(600),
+        "gatewayNotifyInterval": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "gateway_notify_interval"), 180, 0, 86400)).unwrap_or(180),
+        "gatewayAutoContinueFreshness": agent.map(|map| bounded_hermes_i64(yaml_i64_field(map, "gateway_auto_continue_freshness"), 3600, 0, 604800)).unwrap_or(3600),
+        "imageInputMode": image_input_mode,
+    })
+}
+
+fn agent_runtime_i64_value(
+    form: &Value,
+    current: &Value,
+    form_key: &str,
+    default_value: i64,
+) -> Option<i64> {
+    if form.get(form_key).is_some() {
+        form_i64(form, form_key)
+    } else {
+        Some(current[form_key].as_i64().unwrap_or(default_value))
+    }
+}
+
+fn merge_hermes_agent_runtime_config(
+    config: &mut serde_yaml::Value,
+    form: &Value,
+) -> Result<(), String> {
+    let current = build_hermes_agent_runtime_config_values(config);
+    let agent_max_turns = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "agentMaxTurns", 90),
+        "agent.max_turns",
+        90,
+        1,
+        10000,
+    )?;
+    let gateway_timeout = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "gatewayTimeout", 1800),
+        "agent.gateway_timeout",
+        1800,
+        0,
+        604800,
+    )?;
+    let restart_drain_timeout = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "restartDrainTimeout", 180),
+        "agent.restart_drain_timeout",
+        180,
+        0,
+        86400,
+    )?;
+    let api_max_retries = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "apiMaxRetries", 3),
+        "agent.api_max_retries",
+        3,
+        1,
+        20,
+    )?;
+    let gateway_timeout_warning = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "gatewayTimeoutWarning", 900),
+        "agent.gateway_timeout_warning",
+        900,
+        0,
+        604800,
+    )?;
+    let clarify_timeout = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "clarifyTimeout", 600),
+        "agent.clarify_timeout",
+        600,
+        0,
+        86400,
+    )?;
+    let gateway_notify_interval = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "gatewayNotifyInterval", 180),
+        "agent.gateway_notify_interval",
+        180,
+        0,
+        86400,
+    )?;
+    let gateway_auto_continue_freshness = validate_hermes_i64(
+        agent_runtime_i64_value(form, &current, "gatewayAutoContinueFreshness", 3600),
+        "agent.gateway_auto_continue_freshness",
+        3600,
+        0,
+        604800,
+    )?;
+    let image_input_mode = normalize_hermes_image_input_mode(
+        if form.get("imageInputMode").is_some() {
+            form_string(form, "imageInputMode")
+        } else {
+            current["imageInputMode"].as_str().map(ToString::to_string)
+        },
+        true,
+    )?;
+
+    let root = ensure_yaml_object(config)?;
+    let agent = yaml_child_object(root, "agent")?;
+    agent.insert(
+        yaml_key("max_turns"),
+        serde_yaml::Value::Number(agent_max_turns.into()),
+    );
+    agent.insert(
+        yaml_key("gateway_timeout"),
+        serde_yaml::Value::Number(gateway_timeout.into()),
+    );
+    agent.insert(
+        yaml_key("restart_drain_timeout"),
+        serde_yaml::Value::Number(restart_drain_timeout.into()),
+    );
+    agent.insert(
+        yaml_key("api_max_retries"),
+        serde_yaml::Value::Number(api_max_retries.into()),
+    );
+    agent.insert(
+        yaml_key("gateway_timeout_warning"),
+        serde_yaml::Value::Number(gateway_timeout_warning.into()),
+    );
+    agent.insert(
+        yaml_key("clarify_timeout"),
+        serde_yaml::Value::Number(clarify_timeout.into()),
+    );
+    agent.insert(
+        yaml_key("gateway_notify_interval"),
+        serde_yaml::Value::Number(gateway_notify_interval.into()),
+    );
+    agent.insert(
+        yaml_key("gateway_auto_continue_freshness"),
+        serde_yaml::Value::Number(gateway_auto_continue_freshness.into()),
+    );
+    agent.insert(
+        yaml_key("image_input_mode"),
+        serde_yaml::Value::String(image_input_mode),
+    );
+    Ok(())
+}
+
 fn normalize_hermes_unauthorized_dm_behavior(
     value: Option<String>,
     strict: bool,
@@ -6149,6 +6316,30 @@ pub fn hermes_agent_toolsets_config_save(form: Value) -> Result<Value, String> {
     }))
 }
 
+#[tauri::command]
+pub fn hermes_agent_runtime_config_read() -> Result<Value, String> {
+    let (config_path, exists, config) = read_hermes_channel_yaml_config()?;
+    ensure_yaml_object(&mut config.clone())?;
+    Ok(serde_json::json!({
+        "exists": exists,
+        "configPath": config_path.to_string_lossy(),
+        "values": build_hermes_agent_runtime_config_values(&config),
+    }))
+}
+
+#[tauri::command]
+pub fn hermes_agent_runtime_config_save(form: Value) -> Result<Value, String> {
+    let (config_path, _exists, mut config) = read_hermes_channel_yaml_config()?;
+    merge_hermes_agent_runtime_config(&mut config, &form)?;
+    let backup = write_hermes_yaml_config(&config_path, &config)?;
+    Ok(serde_json::json!({
+        "ok": true,
+        "configPath": config_path.to_string_lossy(),
+        "backup": backup,
+        "values": build_hermes_agent_runtime_config_values(&config),
+    }))
+}
+
 #[tauri::command]
 pub fn hermes_unauthorized_dm_config_read() -> Result<Value, String> {
     let (config_path, exists, config) = read_hermes_channel_yaml_config()?;
@@ -12707,6 +12898,161 @@ agent:
     }
 }
 
+#[cfg(test)]
+mod hermes_agent_runtime_config_tests {
+    use super::{build_hermes_agent_runtime_config_values, merge_hermes_agent_runtime_config};
+    use serde_json::json;
+
+    #[test]
+    fn agent_runtime_values_have_upstream_defaults() {
+        let config: serde_yaml::Value = serde_yaml::from_str("{}").unwrap();
+        let values = build_hermes_agent_runtime_config_values(&config);
+        assert_eq!(values["agentMaxTurns"], 90);
+        assert_eq!(values["gatewayTimeout"], 1800);
+        assert_eq!(values["restartDrainTimeout"], 180);
+        assert_eq!(values["apiMaxRetries"], 3);
+        assert_eq!(values["gatewayTimeoutWarning"], 900);
+        assert_eq!(values["clarifyTimeout"], 600);
+        assert_eq!(values["gatewayNotifyInterval"], 180);
+        assert_eq!(values["gatewayAutoContinueFreshness"], 3600);
+        assert_eq!(values["imageInputMode"], "auto");
+    }
+
+    #[test]
+    fn agent_runtime_values_read_yaml_fields() {
+        let config: serde_yaml::Value = serde_yaml::from_str(
+            r#"
+agent:
+  max_turns: 240
+  gateway_timeout: 7200
+  restart_drain_timeout: 600
+  api_max_retries: 5
+  gateway_timeout_warning: 1200
+  clarify_timeout: 900
+  gateway_notify_interval: 240
+  gateway_auto_continue_freshness: 5400
+  image_input_mode: native
+"#,
+        )
+        .unwrap();
+
+        let values = build_hermes_agent_runtime_config_values(&config);
+        assert_eq!(values["agentMaxTurns"], 240);
+        assert_eq!(values["gatewayTimeout"], 7200);
+        assert_eq!(values["restartDrainTimeout"], 600);
+        assert_eq!(values["apiMaxRetries"], 5);
+        assert_eq!(values["gatewayTimeoutWarning"], 1200);
+        assert_eq!(values["clarifyTimeout"], 900);
+        assert_eq!(values["gatewayNotifyInterval"], 240);
+        assert_eq!(values["gatewayAutoContinueFreshness"], 5400);
+        assert_eq!(values["imageInputMode"], "native");
+    }
+
+    #[test]
+    fn merge_agent_runtime_config_preserves_unrelated_yaml() {
+        let mut config: serde_yaml::Value = serde_yaml::from_str(
+            r#"
+model:
+  provider: anthropic
+agent:
+  max_turns: 90
+  disabled_toolsets:
+    - terminal
+  custom_flag: keep-agent
+streaming:
+  enabled: true
+"#,
+        )
+        .unwrap();
+
+        merge_hermes_agent_runtime_config(
+            &mut config,
+            &json!({
+                "agentMaxTurns": "180",
+                "gatewayTimeout": "3600",
+                "restartDrainTimeout": "300",
+                "apiMaxRetries": "2",
+                "gatewayTimeoutWarning": "600",
+                "clarifyTimeout": "300",
+                "gatewayNotifyInterval": "120",
+                "gatewayAutoContinueFreshness": "1800",
+                "imageInputMode": "text",
+            }),
+        )
+        .unwrap();
+
+        assert_eq!(config["model"]["provider"].as_str(), Some("anthropic"));
+        assert_eq!(config["streaming"]["enabled"].as_bool(), Some(true));
+        assert_eq!(config["agent"]["max_turns"].as_i64(), Some(180));
+        assert_eq!(config["agent"]["gateway_timeout"].as_i64(), Some(3600));
+        assert_eq!(config["agent"]["restart_drain_timeout"].as_i64(), Some(300));
+        assert_eq!(config["agent"]["api_max_retries"].as_i64(), Some(2));
+        assert_eq!(
+            config["agent"]["gateway_timeout_warning"].as_i64(),
+            Some(600)
+        );
+        assert_eq!(config["agent"]["clarify_timeout"].as_i64(), Some(300));
+        assert_eq!(
+            config["agent"]["gateway_notify_interval"].as_i64(),
+            Some(120)
+        );
+        assert_eq!(
+            config["agent"]["gateway_auto_continue_freshness"].as_i64(),
+            Some(1800)
+        );
+        assert_eq!(config["agent"]["image_input_mode"].as_str(), Some("text"));
+        assert_eq!(
+            config["agent"]["disabled_toolsets"][0].as_str(),
+            Some("terminal")
+        );
+        assert_eq!(config["agent"]["custom_flag"].as_str(), Some("keep-agent"));
+    }
+
+    #[test]
+    fn merge_agent_runtime_config_allows_zero_disable_values() {
+        let mut config = serde_yaml::Value::Mapping(serde_yaml::Mapping::new());
+        merge_hermes_agent_runtime_config(
+            &mut config,
+            &json!({
+                "gatewayTimeout": "0",
+                "restartDrainTimeout": "0",
+                "gatewayTimeoutWarning": "0",
+                "gatewayNotifyInterval": "0",
+                "gatewayAutoContinueFreshness": "0",
+            }),
+        )
+        .unwrap();
+
+        assert_eq!(config["agent"]["gateway_timeout"].as_i64(), Some(0));
+        assert_eq!(config["agent"]["restart_drain_timeout"].as_i64(), Some(0));
+        assert_eq!(config["agent"]["gateway_timeout_warning"].as_i64(), Some(0));
+        assert_eq!(config["agent"]["gateway_notify_interval"].as_i64(), Some(0));
+        assert_eq!(
+            config["agent"]["gateway_auto_continue_freshness"].as_i64(),
+            Some(0)
+        );
+    }
+
+    #[test]
+    fn merge_agent_runtime_config_rejects_invalid_values() {
+        let mut config = serde_yaml::Value::Mapping(serde_yaml::Mapping::new());
+        let err =
+            merge_hermes_agent_runtime_config(&mut config, &json!({ "imageInputMode": "pixel" }))
+                .unwrap_err();
+        assert!(err.contains("agent.image_input_mode"));
+        let err = merge_hermes_agent_runtime_config(&mut config, &json!({ "agentMaxTurns": "0" }))
+            .unwrap_err();
+        assert!(err.contains("agent.max_turns"));
+        let err = merge_hermes_agent_runtime_config(&mut config, &json!({ "apiMaxRetries": "0" }))
+            .unwrap_err();
+        assert!(err.contains("agent.api_max_retries"));
+        let err =
+            merge_hermes_agent_runtime_config(&mut config, &json!({ "clarifyTimeout": "-1" }))
+                .unwrap_err();
+        assert!(err.contains("agent.clarify_timeout"));
+    }
+}
+
 #[cfg(test)]
 mod hermes_unauthorized_dm_config_tests {
     use super::{build_hermes_unauthorized_dm_config_values, merge_hermes_unauthorized_dm_config};
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 9e750a9..a05e221 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -271,6 +271,8 @@ pub fn run() {
             hermes::hermes_quick_commands_config_save,
             hermes::hermes_agent_toolsets_config_read,
             hermes::hermes_agent_toolsets_config_save,
+            hermes::hermes_agent_runtime_config_read,
+            hermes::hermes_agent_runtime_config_save,
             hermes::hermes_unauthorized_dm_config_read,
             hermes::hermes_unauthorized_dm_config_save,
             hermes::hermes_security_config_read,
diff --git a/src/engines/hermes/pages/config.js b/src/engines/hermes/pages/config.js
index d5c3fb0..bf01d0e 100644
--- a/src/engines/hermes/pages/config.js
+++ b/src/engines/hermes/pages/config.js
@@ -56,6 +56,18 @@ const AGENT_TOOLSETS_DEFAULTS = {
   disabledToolsets: '',
 }
 
+const AGENT_RUNTIME_DEFAULTS = {
+  agentMaxTurns: 90,
+  gatewayTimeout: 1800,
+  restartDrainTimeout: 180,
+  apiMaxRetries: 3,
+  gatewayTimeoutWarning: 900,
+  clarifyTimeout: 600,
+  gatewayNotifyInterval: 180,
+  gatewayAutoContinueFreshness: 3600,
+  imageInputMode: 'auto',
+}
+
 const UNAUTHORIZED_DM_DEFAULTS = {
   unauthorizedDmBehavior: 'pair',
 }
@@ -143,6 +155,7 @@ const CODE_EXECUTION_MODES = ['project', 'strict']
 const TERMINAL_BACKENDS = ['local', 'ssh', 'docker', 'singularity', 'modal', 'daytona', 'vercel_sandbox']
 const BROWSER_ENGINES = ['auto', 'lightpanda', 'chrome']
 const UNAUTHORIZED_DM_BEHAVIORS = ['pair', 'ignore']
+const IMAGE_INPUT_MODES = ['auto', 'native', 'text']
 const DISPLAY_TOOL_PROGRESS_VALUES = ['off', 'new', 'all', 'verbose']
 const DISPLAY_LANGUAGE_VALUES = ['en', 'zh', 'zh-hant', 'ja', 'de', 'es', 'fr', 'tr', 'uk', 'af', 'ko', 'it', 'ga', 'pt', 'ru', 'hu']
 const DISPLAY_RESUME_VALUES = ['full', 'minimal']
@@ -160,6 +173,7 @@ export function render() {
   let skillsValues = { ...SKILLS_DEFAULTS }
   let quickCommandsValues = { ...QUICK_COMMANDS_DEFAULTS }
   let agentToolsetsValues = { ...AGENT_TOOLSETS_DEFAULTS }
+  let agentRuntimeValues = { ...AGENT_RUNTIME_DEFAULTS }
   let unauthorizedDmValues = { ...UNAUTHORIZED_DM_DEFAULTS }
   let securityValues = { ...SECURITY_DEFAULTS }
   let displayValues = { ...DISPLAY_DEFAULTS }
@@ -178,6 +192,7 @@ export function render() {
   let skillsLoading = true
   let quickCommandsLoading = true
   let agentToolsetsLoading = true
+  let agentRuntimeLoading = true
   let unauthorizedDmLoading = true
   let securityLoading = true
   let displayLoading = true
@@ -196,6 +211,7 @@ export function render() {
   let skillsSaving = false
   let quickCommandsSaving = false
   let agentToolsetsSaving = false
+  let agentRuntimeSaving = false
   let unauthorizedDmSaving = false
   let securitySaving = false
   let displaySaving = false
@@ -214,6 +230,7 @@ export function render() {
   let skillsError = null
   let quickCommandsError = null
   let agentToolsetsError = null
+  let agentRuntimeError = null
   let unauthorizedDmError = null
   let securityError = null
   let displayError = null
@@ -234,7 +251,7 @@ export function render() {
   }
 
   function isBusy() {
-    return loading || runtimeLoading || compressionLoading || toolGuardrailsLoading || memoryLoading || skillsLoading || quickCommandsLoading || agentToolsetsLoading || unauthorizedDmLoading || securityLoading || displayLoading || humanDelayLoading || streamingLoading || executionLimitsLoading || ioSafetyLoading || privacyLoading || browserLoading || terminalLoading || saving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || securitySaving || displaySaving || humanDelaySaving || streamingSaving || executionLimitsSaving || ioSafetySaving || privacySaving || browserSaving || terminalSaving
+    return loading || runtimeLoading || compressionLoading || toolGuardrailsLoading || memoryLoading || skillsLoading || quickCommandsLoading || agentToolsetsLoading || agentRuntimeLoading || unauthorizedDmLoading || securityLoading || displayLoading || humanDelayLoading || streamingLoading || executionLimitsLoading || ioSafetyLoading || privacyLoading || browserLoading || terminalLoading || saving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || securitySaving || displaySaving || humanDelaySaving || streamingSaving || executionLimitsSaving || ioSafetySaving || privacySaving || browserSaving || terminalSaving
   }
 
   function option(labelKey, value, selected) {
@@ -251,7 +268,7 @@ export function render() {
   }
 
   function renderRuntimePanel() {
-    const disabled = loading || saving || runtimeLoading || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || runtimeLoading || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel">
         <div class="hm-panel-header">
@@ -299,7 +316,7 @@ export function render() {
   }
 
   function renderCompressionPanel() {
-    const disabled = loading || saving || compressionLoading || compressionSaving || runtimeSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || compressionLoading || compressionSaving || runtimeSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-compression-panel">
         <div class="hm-panel-header">
@@ -349,7 +366,7 @@ export function render() {
   }
 
   function renderToolGuardrailsPanel() {
-    const disabled = loading || saving || toolGuardrailsLoading || toolGuardrailsSaving || runtimeSaving || compressionSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || toolGuardrailsLoading || toolGuardrailsSaving || runtimeSaving || compressionSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-guardrails-panel">
         <div class="hm-panel-header">
@@ -411,7 +428,7 @@ export function render() {
   }
 
   function renderMemoryPanel() {
-    const disabled = loading || saving || memoryLoading || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || memoryLoading || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-memory-panel">
         <div class="hm-panel-header">
@@ -461,7 +478,7 @@ export function render() {
   }
 
   function renderSkillsConfigPanel() {
-    const disabled = loading || saving || skillsLoading || skillsSaving || quickCommandsSaving || agentToolsetsSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || skillsLoading || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-skills-panel">
         <div class="hm-panel-header">
@@ -493,7 +510,7 @@ export function render() {
   }
 
   function renderQuickCommandsConfigPanel() {
-    const disabled = loading || saving || quickCommandsLoading || quickCommandsSaving || agentToolsetsSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || quickCommandsLoading || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-quick-commands-panel">
         <div class="hm-panel-header">
@@ -519,7 +536,7 @@ export function render() {
   }
 
   function renderAgentToolsetsConfigPanel() {
-    const disabled = loading || saving || agentToolsetsLoading || agentToolsetsSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || agentToolsetsLoading || agentToolsetsSaving || agentRuntimeSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-agent-toolsets-panel">
         <div class="hm-panel-header">
@@ -544,8 +561,70 @@ export function render() {
     `
   }
 
+  function renderAgentRuntimeConfigPanel() {
+    const disabled = loading || saving || agentRuntimeLoading || agentRuntimeSaving || agentToolsetsSaving || unauthorizedDmSaving || securitySaving || displaySaving || humanDelaySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || streamingSaving || executionLimitsSaving || ioSafetySaving || privacySaving || browserSaving || terminalSaving
+    return `
+      <div class="hm-panel hm-config-runtime-panel hm-config-agent-runtime-panel">
+        <div class="hm-panel-header">
+          <div>
+            <div class="hm-panel-title">${t('engine.hermesAgentRuntimeConfigTitle')}</div>
+            <div class="hm-channel-panel-desc">${t('engine.hermesAgentRuntimeConfigDesc')}</div>
+          </div>
+          <div class="hm-panel-actions">
+            <span class="hm-muted">${agentRuntimeSaving ? t('engine.hermesConfigStatusSaving') : agentRuntimeLoading ? t('engine.hermesConfigStatusLoading') : t('engine.hermesAgentRuntimeConfigStatusReady')}</span>
+            <button class="hm-btn hm-btn--cta hm-btn--sm" id="hm-agent-runtime-save" ${disabled ? 'disabled' : ''}>${t('engine.hermesAgentRuntimeConfigSave')}</button>
+          </div>
+        </div>
+        <div class="hm-panel-body">
+          ${renderError(agentRuntimeError)}
+          <div class="hm-config-runtime-grid hm-config-agent-runtime-grid">
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigMaxTurns')}</span>
+              <input id="hm-agent-max-turns" class="hm-input" type="number" inputmode="numeric" min="1" max="10000" step="1" value="${esc(agentRuntimeValues.agentMaxTurns)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigGatewayTimeout')}</span>
+              <input id="hm-agent-gateway-timeout" class="hm-input" type="number" inputmode="numeric" min="0" max="604800" step="1" value="${esc(agentRuntimeValues.gatewayTimeout)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigRestartDrainTimeout')}</span>
+              <input id="hm-agent-restart-drain-timeout" class="hm-input" type="number" inputmode="numeric" min="0" max="86400" step="1" value="${esc(agentRuntimeValues.restartDrainTimeout)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigApiMaxRetries')}</span>
+              <input id="hm-agent-api-max-retries" class="hm-input" type="number" inputmode="numeric" min="1" max="20" step="1" value="${esc(agentRuntimeValues.apiMaxRetries)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigGatewayTimeoutWarning')}</span>
+              <input id="hm-agent-gateway-timeout-warning" class="hm-input" type="number" inputmode="numeric" min="0" max="604800" step="1" value="${esc(agentRuntimeValues.gatewayTimeoutWarning)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigClarifyTimeout')}</span>
+              <input id="hm-agent-clarify-timeout" class="hm-input" type="number" inputmode="numeric" min="0" max="86400" step="1" value="${esc(agentRuntimeValues.clarifyTimeout)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigGatewayNotifyInterval')}</span>
+              <input id="hm-agent-gateway-notify-interval" class="hm-input" type="number" inputmode="numeric" min="0" max="86400" step="1" value="${esc(agentRuntimeValues.gatewayNotifyInterval)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigGatewayAutoContinueFreshness')}</span>
+              <input id="hm-agent-gateway-auto-continue-freshness" class="hm-input" type="number" inputmode="numeric" min="0" max="604800" step="1" value="${esc(agentRuntimeValues.gatewayAutoContinueFreshness)}" ${disabled ? 'disabled' : ''}>
+            </label>
+            <label class="hm-field">
+              <span class="hm-field-label">${t('engine.hermesAgentRuntimeConfigImageInputMode')}</span>
+              <select id="hm-agent-image-input-mode" class="hm-input" ${disabled ? 'disabled' : ''}>
+                ${IMAGE_INPUT_MODES.map(mode => option(`engine.hermesAgentRuntimeConfigImageInputMode_${mode}`, mode, agentRuntimeValues.imageInputMode)).join('')}
+              </select>
+            </label>
+          </div>
+          <div class="hm-channel-footnote">${t('engine.hermesAgentRuntimeConfigFootnote')}</div>
+        </div>
+      </div>
+    `
+  }
+
   function renderUnauthorizedDmConfigPanel() {
-    const disabled = loading || saving || unauthorizedDmLoading || unauthorizedDmSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || securitySaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || unauthorizedDmLoading || unauthorizedDmSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || securitySaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-unauthorized-dm-panel">
         <div class="hm-panel-header">
@@ -575,7 +654,7 @@ export function render() {
   }
 
   function renderSecurityConfigPanel() {
-    const disabled = loading || saving || securityLoading || securitySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || securityLoading || securitySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-security-panel">
         <div class="hm-panel-header">
@@ -617,7 +696,7 @@ export function render() {
   }
 
   function renderDisplayConfigPanel() {
-    const disabled = loading || saving || displayLoading || displaySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || securitySaving || humanDelaySaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || displayLoading || displaySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || securitySaving || humanDelaySaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-display-panel">
         <div class="hm-panel-header">
@@ -681,7 +760,7 @@ export function render() {
   }
 
   function renderHumanDelayConfigPanel() {
-    const disabled = loading || saving || humanDelayLoading || humanDelaySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || securitySaving || streamingSaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || humanDelayLoading || humanDelaySaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || securitySaving || streamingSaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-human-delay-panel">
         <div class="hm-panel-header">
@@ -719,7 +798,7 @@ export function render() {
   }
 
   function renderStreamingPanel() {
-    const disabled = loading || saving || streamingLoading || streamingSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || securitySaving || executionLimitsSaving || terminalSaving
+    const disabled = loading || saving || streamingLoading || streamingSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || securitySaving || executionLimitsSaving || terminalSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-streaming-panel">
         <div class="hm-panel-header">
@@ -771,7 +850,7 @@ export function render() {
   }
 
   function renderExecutionLimitsPanel() {
-    const disabled = loading || saving || executionLimitsLoading || executionLimitsSaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving
+    const disabled = loading || saving || executionLimitsLoading || executionLimitsSaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-execution-limits-panel">
         <div class="hm-panel-header">
@@ -843,7 +922,7 @@ export function render() {
   }
 
   function renderIoSafetyPanel() {
-    const disabled = loading || saving || ioSafetyLoading || ioSafetySaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving
+    const disabled = loading || saving || ioSafetyLoading || ioSafetySaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-io-safety-panel">
         <div class="hm-panel-header">
@@ -883,7 +962,7 @@ export function render() {
   }
 
   function renderPrivacyPanel() {
-    const disabled = loading || saving || privacyLoading || privacySaving || browserSaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || ioSafetySaving
+    const disabled = loading || saving || privacyLoading || privacySaving || browserSaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || ioSafetySaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-privacy-panel">
         <div class="hm-panel-header">
@@ -911,7 +990,7 @@ export function render() {
   }
 
   function renderBrowserPanel() {
-    const disabled = loading || saving || browserLoading || browserSaving || privacySaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || ioSafetySaving
+    const disabled = loading || saving || browserLoading || browserSaving || privacySaving || terminalSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving || ioSafetySaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-browser-panel">
         <div class="hm-panel-header">
@@ -955,7 +1034,7 @@ export function render() {
   }
 
   function renderTerminalPanel() {
-    const disabled = loading || saving || terminalLoading || terminalSaving || browserSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving
+    const disabled = loading || saving || terminalLoading || terminalSaving || browserSaving || runtimeSaving || compressionSaving || toolGuardrailsSaving || memorySaving || skillsSaving || quickCommandsSaving || agentToolsetsSaving || agentRuntimeSaving || unauthorizedDmSaving || streamingSaving || executionLimitsSaving
     return `
       <div class="hm-panel hm-config-runtime-panel hm-config-terminal-panel">
         <div class="hm-panel-header">
@@ -1052,6 +1131,7 @@ export function render() {
       ${renderSkillsConfigPanel()}
       ${renderQuickCommandsConfigPanel()}
       ${renderAgentToolsetsConfigPanel()}
+      ${renderAgentRuntimeConfigPanel()}
       ${renderUnauthorizedDmConfigPanel()}
       ${renderSecurityConfigPanel()}
       ${renderDisplayConfigPanel()}
@@ -1082,6 +1162,7 @@ export function render() {
     el.querySelector('#hm-skills-config-save')?.addEventListener('click', saveSkillsConfig)
     el.querySelector('#hm-quick-commands-save')?.addEventListener('click', saveQuickCommandsConfig)
     el.querySelector('#hm-agent-toolsets-save')?.addEventListener('click', saveAgentToolsetsConfig)
+    el.querySelector('#hm-agent-runtime-save')?.addEventListener('click', saveAgentRuntimeConfig)
     el.querySelector('#hm-unauthorized-dm-save')?.addEventListener('click', saveUnauthorizedDmConfig)
     el.querySelector('#hm-security-save')?.addEventListener('click', saveSecurityConfig)
     el.querySelector('#hm-display-save')?.addEventListener('click', saveDisplayConfig)
@@ -1134,6 +1215,11 @@ export function render() {
     agentToolsetsValues = { ...AGENT_TOOLSETS_DEFAULTS, ...(data?.values || {}) }
   }
 
+  async function loadAgentRuntimeConfig() {
+    const data = await api.hermesAgentRuntimeConfigRead()
+    agentRuntimeValues = { ...AGENT_RUNTIME_DEFAULTS, ...(data?.values || {}) }
+  }
+
   async function loadUnauthorizedDmConfig() {
     const data = await api.hermesUnauthorizedDmConfigRead()
     unauthorizedDmValues = { ...UNAUTHORIZED_DM_DEFAULTS, ...(data?.values || {}) }
@@ -1193,6 +1279,7 @@ export function render() {
     skillsLoading = true
     quickCommandsLoading = true
     agentToolsetsLoading = true
+    agentRuntimeLoading = true
     unauthorizedDmLoading = true
     securityLoading = true
     displayLoading = true
@@ -1211,6 +1298,7 @@ export function render() {
     skillsError = null
     quickCommandsError = null
     agentToolsetsError = null
+    agentRuntimeError = null
     unauthorizedDmError = null
     securityError = null
     displayError = null
@@ -1333,6 +1421,14 @@ export function render() {
       agentToolsetsLoading = false
       draw()
     }
+    try {
+      await loadAgentRuntimeConfig()
+    } catch (err) {
+      agentRuntimeError = humanizeError(err, t('engine.hermesAgentRuntimeConfigLoadFailed') || 'Load agent runtime config failed')
+    } finally {
+      agentRuntimeLoading = false
+      draw()
+    }
     try {
       await loadUnauthorizedDmConfig()
     } catch (err) {
@@ -1407,6 +1503,9 @@ export function render() {
       try {
         await loadAgentToolsetsConfig()
       } catch {}
+      try {
+        await loadAgentRuntimeConfig()
+      } catch {}
       try {
         await loadUnauthorizedDmConfig()
       } catch {}
@@ -1643,6 +1742,39 @@ export function render() {
     }
   }
 
+  async function saveAgentRuntimeConfig() {
+    const form = {
+      agentMaxTurns: el.querySelector('#hm-agent-max-turns')?.value || '90',
+      gatewayTimeout: el.querySelector('#hm-agent-gateway-timeout')?.value || '1800',
+      restartDrainTimeout: el.querySelector('#hm-agent-restart-drain-timeout')?.value || '180',
+      apiMaxRetries: el.querySelector('#hm-agent-api-max-retries')?.value || '3',
+      gatewayTimeoutWarning: el.querySelector('#hm-agent-gateway-timeout-warning')?.value || '900',
+      clarifyTimeout: el.querySelector('#hm-agent-clarify-timeout')?.value || '600',
+      gatewayNotifyInterval: el.querySelector('#hm-agent-gateway-notify-interval')?.value || '180',
+      gatewayAutoContinueFreshness: el.querySelector('#hm-agent-gateway-auto-continue-freshness')?.value || '3600',
+      imageInputMode: el.querySelector('#hm-agent-image-input-mode')?.value || 'auto',
+    }
+    agentRuntimeSaving = true
+    agentRuntimeError = null
+    draw()
+    try {
+      const result = await api.hermesAgentRuntimeConfigSave(form)
+      agentRuntimeValues = { ...AGENT_RUNTIME_DEFAULTS, ...(result?.values || form) }
+      await refreshRawAfterStructuredSave()
+      const backup = result?.backup || ''
+      toast({
+        message: t('engine.hermesAgentRuntimeConfigSaveSuccess'),
+        hint: backup ? t('engine.hermesConfigBackupHint', { path: backup }) : '',
+      }, 'success')
+    } catch (err) {
+      agentRuntimeError = humanizeError(err, t('engine.hermesAgentRuntimeConfigSaveFailed') || 'Save agent runtime config failed')
+      toast(agentRuntimeError, 'error')
+    } finally {
+      agentRuntimeSaving = false
+      draw()
+    }
+  }
+
   async function saveUnauthorizedDmConfig() {
     const form = {
       unauthorizedDmBehavior: el.querySelector('#hm-unauthorized-dm-behavior')?.value || 'pair',
diff --git a/src/lib/tauri-api.js b/src/lib/tauri-api.js
index df41da8..5624442 100644
--- a/src/lib/tauri-api.js
+++ b/src/lib/tauri-api.js
@@ -523,6 +523,8 @@ export const api = {
   hermesQuickCommandsConfigSave: (form) => invoke('hermes_quick_commands_config_save', { form }),
   hermesAgentToolsetsConfigRead: () => invoke('hermes_agent_toolsets_config_read'),
   hermesAgentToolsetsConfigSave: (form) => invoke('hermes_agent_toolsets_config_save', { form }),
+  hermesAgentRuntimeConfigRead: () => invoke('hermes_agent_runtime_config_read'),
+  hermesAgentRuntimeConfigSave: (form) => invoke('hermes_agent_runtime_config_save', { form }),
   hermesUnauthorizedDmConfigRead: () => invoke('hermes_unauthorized_dm_config_read'),
   hermesUnauthorizedDmConfigSave: (form) => invoke('hermes_unauthorized_dm_config_save', { form }),
   hermesSecurityConfigRead: () => invoke('hermes_security_config_read'),
diff --git a/src/locales/modules/engine.js b/src/locales/modules/engine.js
index 107101a..8946db4 100644
--- a/src/locales/modules/engine.js
+++ b/src/locales/modules/engine.js
@@ -674,6 +674,26 @@ export default {
   hermesAgentToolsetsConfigSaveFailed: _('保存全局工具集配置失败', 'Save global toolset settings failed', '儲存全域工具集設定失敗'),
   hermesAgentToolsetsConfigDisabledToolsets: _('禁用工具集（每行一个）', 'Disabled toolsets, one per line', '停用工具集（每行一個）'),
   hermesAgentToolsetsConfigFootnote: _('常见值包括 terminal、browser、memory、web。该设置会覆盖平台级工具配置；留空表示不做全局禁用。高级 agent 字段会保留在 raw YAML 中。', 'Common values include terminal, browser, memory, and web. This setting overrides platform-level tool configuration; leave it empty for no global disables. Advanced agent fields stay in raw YAML.', '常見值包括 terminal、browser、memory、web。此設定會覆蓋平台級工具設定；留空表示不做全域停用。進階 agent 欄位會保留在 raw YAML 中。'),
+  hermesAgentRuntimeConfigTitle: _('Agent 长跑保护', 'Agent runtime guards', 'Agent 長跑保護'),
+  hermesAgentRuntimeConfigDesc: _('控制 Agent 轮次上限、Gateway 等待、重启排水、重试、超时预警、澄清等待和自动续跑新鲜度，减少长时间任务无人值守失控。', 'Control turn limits, Gateway waits, restart drain, retries, timeout warnings, clarification waits, and auto-continue freshness to keep unattended long runs bounded.', '控制 Agent 輪次上限、Gateway 等待、重啟排水、重試、逾時預警、澄清等待和自動續跑新鮮度，減少長時間任務無人值守失控。'),
+  hermesAgentRuntimeConfigStatusReady: _('结构化配置', 'structured settings', '結構化設定'),
+  hermesAgentRuntimeConfigSave: _('保存长跑保护', 'Save runtime guards', '儲存長跑保護'),
+  hermesAgentRuntimeConfigSaveSuccess: _('Agent 长跑保护配置已保存，建议重启 Hermes Gateway 生效', 'Agent runtime guard settings saved. Restart Hermes Gateway to take effect.', 'Agent 長跑保護設定已儲存，建議重啟 Hermes Gateway 生效'),
+  hermesAgentRuntimeConfigLoadFailed: _('加载 Agent 长跑保护配置失败', 'Load agent runtime guard settings failed', '載入 Agent 長跑保護設定失敗'),
+  hermesAgentRuntimeConfigSaveFailed: _('保存 Agent 长跑保护配置失败', 'Save agent runtime guard settings failed', '儲存 Agent 長跑保護設定失敗'),
+  hermesAgentRuntimeConfigMaxTurns: _('单次运行最大轮数', 'Max turns per run', '單次執行最大輪數'),
+  hermesAgentRuntimeConfigGatewayTimeout: _('Gateway 等待超时（秒）', 'Gateway timeout (seconds)', 'Gateway 等待逾時（秒）'),
+  hermesAgentRuntimeConfigRestartDrainTimeout: _('重启排水等待（秒）', 'Restart drain timeout (seconds)', '重啟排水等待（秒）'),
+  hermesAgentRuntimeConfigApiMaxRetries: _('API 最大重试次数', 'API max retries', 'API 最大重試次數'),
+  hermesAgentRuntimeConfigGatewayTimeoutWarning: _('超时预警阈值（秒）', 'Timeout warning threshold (seconds)', '逾時預警閾值（秒）'),
+  hermesAgentRuntimeConfigClarifyTimeout: _('澄清等待超时（秒）', 'Clarification timeout (seconds)', '澄清等待逾時（秒）'),
+  hermesAgentRuntimeConfigGatewayNotifyInterval: _('Gateway 心跳通知间隔（秒）', 'Gateway notify interval (seconds)', 'Gateway 心跳通知間隔（秒）'),
+  hermesAgentRuntimeConfigGatewayAutoContinueFreshness: _('自动续跑新鲜度（秒）', 'Auto-continue freshness (seconds)', '自動續跑新鮮度（秒）'),
+  hermesAgentRuntimeConfigImageInputMode: _('图片输入模式', 'Image input mode', '圖片輸入模式'),
+  hermesAgentRuntimeConfigImageInputMode_auto: _('自动选择', 'Auto', '自動選擇'),
+  hermesAgentRuntimeConfigImageInputMode_native: _('原生图片输入', 'Native image input', '原生圖片輸入'),
+  hermesAgentRuntimeConfigImageInputMode_text: _('转文本描述', 'Convert to text description', '轉文字描述'),
+  hermesAgentRuntimeConfigFootnote: _('这些字段会写入 agent.*，影响 CLI 与 Gateway 长跑行为。将可选超时设为 0 表示关闭对应限制或通知；disabled_toolsets 和其他高级 agent 字段会保留在 raw YAML 中。', 'These fields are written under agent.* and affect CLI and Gateway long-running behavior. Set optional timeouts to 0 to disable the corresponding limit or notification. disabled_toolsets and other advanced agent fields stay in raw YAML.', '這些欄位會寫入 agent.*，影響 CLI 與 Gateway 長跑行為。將可選逾時設為 0 表示關閉對應限制或通知；disabled_toolsets 和其他進階 agent 欄位會保留在 raw YAML 中。'),
   hermesUnauthorizedDmConfigTitle: _('未授权私信', 'Unauthorized DMs', '未授權私訊'),
   hermesUnauthorizedDmConfigDesc: _('控制陌生用户直接私信 Hermes 时的全局响应策略，适合公网部署时减少无效打扰或保留配对入口。', 'Control the global response when unknown users send Hermes a direct message. Useful for public deployments that need fewer unsolicited replies or a pairing entry point.', '控制陌生使用者直接私訊 Hermes 時的全域回應策略，適合公開部署時減少無效打擾或保留配對入口。'),
   hermesUnauthorizedDmConfigStatusReady: _('结构化配置', 'structured settings', '結構化設定'),
diff --git a/tests/hermes-agent-runtime-config.test.js b/tests/hermes-agent-runtime-config.test.js
new file mode 100644
index 0000000..abbc1e8
--- /dev/null
+++ b/tests/hermes-agent-runtime-config.test.js
@@ -0,0 +1,120 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+
+import {
+  buildHermesAgentRuntimeConfigValues,
+  mergeHermesAgentRuntimeConfig,
+} from '../scripts/dev-api.js'
+
+test('Hermes Agent 长跑保护配置读取会提供上游默认值', () => {
+  const values = buildHermesAgentRuntimeConfigValues({})
+
+  assert.deepEqual(values, {
+    agentMaxTurns: 90,
+    gatewayTimeout: 1800,
+    restartDrainTimeout: 180,
+    apiMaxRetries: 3,
+    gatewayTimeoutWarning: 900,
+    clarifyTimeout: 600,
+    gatewayNotifyInterval: 180,
+    gatewayAutoContinueFreshness: 3600,
+    imageInputMode: 'auto',
+  })
+})
+
+test('Hermes Agent 长跑保护配置读取会回显 YAML 字段', () => {
+  const values = buildHermesAgentRuntimeConfigValues({
+    agent: {
+      max_turns: 240,
+      gateway_timeout: 7200,
+      restart_drain_timeout: 600,
+      api_max_retries: 5,
+      gateway_timeout_warning: 1200,
+      clarify_timeout: 900,
+      gateway_notify_interval: 240,
+      gateway_auto_continue_freshness: 5400,
+      image_input_mode: 'native',
+    },
+  })
+
+  assert.equal(values.agentMaxTurns, 240)
+  assert.equal(values.gatewayTimeout, 7200)
+  assert.equal(values.restartDrainTimeout, 600)
+  assert.equal(values.apiMaxRetries, 5)
+  assert.equal(values.gatewayTimeoutWarning, 1200)
+  assert.equal(values.clarifyTimeout, 900)
+  assert.equal(values.gatewayNotifyInterval, 240)
+  assert.equal(values.gatewayAutoContinueFreshness, 5400)
+  assert.equal(values.imageInputMode, 'native')
+})
+
+test('Hermes Agent 长跑保护配置保存会保留未知字段并写入 agent', () => {
+  const next = mergeHermesAgentRuntimeConfig({
+    model: { provider: 'anthropic' },
+    agent: {
+      max_turns: 90,
+      disabled_toolsets: ['terminal'],
+      custom_flag: 'keep-agent',
+    },
+    streaming: { enabled: true },
+  }, {
+    agentMaxTurns: '180',
+    gatewayTimeout: '3600',
+    restartDrainTimeout: '300',
+    apiMaxRetries: '2',
+    gatewayTimeoutWarning: '600',
+    clarifyTimeout: '300',
+    gatewayNotifyInterval: '120',
+    gatewayAutoContinueFreshness: '1800',
+    imageInputMode: 'text',
+  })
+
+  assert.deepEqual(next.model, { provider: 'anthropic' })
+  assert.deepEqual(next.streaming, { enabled: true })
+  assert.equal(next.agent.max_turns, 180)
+  assert.equal(next.agent.gateway_timeout, 3600)
+  assert.equal(next.agent.restart_drain_timeout, 300)
+  assert.equal(next.agent.api_max_retries, 2)
+  assert.equal(next.agent.gateway_timeout_warning, 600)
+  assert.equal(next.agent.clarify_timeout, 300)
+  assert.equal(next.agent.gateway_notify_interval, 120)
+  assert.equal(next.agent.gateway_auto_continue_freshness, 1800)
+  assert.equal(next.agent.image_input_mode, 'text')
+  assert.deepEqual(next.agent.disabled_toolsets, ['terminal'])
+  assert.equal(next.agent.custom_flag, 'keep-agent')
+})
+
+test('Hermes Agent 长跑保护配置保存允许 0 表示关闭或无限制', () => {
+  const next = mergeHermesAgentRuntimeConfig({}, {
+    gatewayTimeout: '0',
+    restartDrainTimeout: '0',
+    gatewayTimeoutWarning: '0',
+    gatewayNotifyInterval: '0',
+    gatewayAutoContinueFreshness: '0',
+  })
+
+  assert.equal(next.agent.gateway_timeout, 0)
+  assert.equal(next.agent.restart_drain_timeout, 0)
+  assert.equal(next.agent.gateway_timeout_warning, 0)
+  assert.equal(next.agent.gateway_notify_interval, 0)
+  assert.equal(next.agent.gateway_auto_continue_freshness, 0)
+})
+
+test('Hermes Agent 长跑保护配置保存会拒绝非法枚举和越界值', () => {
+  assert.throws(
+    () => mergeHermesAgentRuntimeConfig({}, { imageInputMode: 'pixel' }),
+    /agent\.image_input_mode/,
+  )
+  assert.throws(
+    () => mergeHermesAgentRuntimeConfig({}, { agentMaxTurns: '0' }),
+    /agent\.max_turns/,
+  )
+  assert.throws(
+    () => mergeHermesAgentRuntimeConfig({}, { apiMaxRetries: '0' }),
+    /agent\.api_max_retries/,
+  )
+  assert.throws(
+    () => mergeHermesAgentRuntimeConfig({}, { clarifyTimeout: '-1' }),
+    /agent\.clarify_timeout/,
+  )
+})
diff --git a/tests/hermes-config-page-ui.test.js b/tests/hermes-config-page-ui.test.js
index c3202ac..7313751 100644
--- a/tests/hermes-config-page-ui.test.js
+++ b/tests/hermes-config-page-ui.test.js
@@ -67,6 +67,23 @@ test('Hermes 配置页会暴露全局禁用工具集结构化配置字段', () =
   }
 })
 
+test('Hermes 配置页会暴露 Agent 长跑保护结构化配置字段', () => {
+  for (const id of [
+    'hm-agent-runtime-save',
+    'hm-agent-max-turns',
+    'hm-agent-gateway-timeout',
+    'hm-agent-restart-drain-timeout',
+    'hm-agent-api-max-retries',
+    'hm-agent-gateway-timeout-warning',
+    'hm-agent-clarify-timeout',
+    'hm-agent-gateway-notify-interval',
+    'hm-agent-gateway-auto-continue-freshness',
+    'hm-agent-image-input-mode',
+  ]) {
+    assert.match(source, new RegExp(`id="${id}"`), `缺少 ${id}`)
+  }
+})
+
 test('Hermes 配置页会暴露未授权 DM 全局策略字段', () => {
   for (const id of [
     'hm-unauthorized-dm-save',
@@ -209,6 +226,7 @@ test('Hermes 配置页新增结构化配置不会暴露翻译 key', () => {
     key.includes('SkillsConfig') ||
     key.includes('QuickCommandsConfig') ||
     key.includes('AgentToolsetsConfig') ||
+    key.includes('AgentRuntimeConfig') ||
     key.includes('UnauthorizedDmConfig') ||
     key.includes('SecurityConfig') ||
     key.includes('HumanDelayConfig') ||