fix(sdk): remove stale with_skill_dir/with_agent_dir from SessionOptions

SessionOptions now only supports model override. skill_dirs and
agent_dirs are configured at the agent level via CodeConfig.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ZhiXiao-Lin

sdk/node/src/lib.rs

@@ -176,10 +176,6 @@ pub struct ToolResult {
 pub struct SessionOptions {
     /// Override the default model. Format: "provider/model" (e.g., "openai/gpt-4o").
     pub model: Option<String>,
-    /// Additional skill directories for this session.
-    pub skill_dirs: Option<Vec<String>>,
-    /// Additional agent directories for this session.
-    pub agent_dirs: Option<Vec<String>>,
 }
 
 // ============================================================================
@@ -213,7 +209,7 @@ impl Agent {
     /// Bind to a workspace directory, returning a Session.
     ///
     /// @param workspace - Path to the workspace directory
-    /// @param options - Optional session overrides (model, skillDirs, agentDirs)
+    /// @param options - Optional session overrides (model)
     #[napi]
     pub fn session(
         &self,
@@ -225,16 +221,6 @@ impl Agent {
             if let Some(model) = o.model {
                 opts = opts.with_model(model);
             }
-            if let Some(dirs) = o.skill_dirs {
-                for dir in dirs {
-                    opts = opts.with_skill_dir(dir);
-                }
-            }
-            if let Some(dirs) = o.agent_dirs {
-                for dir in dirs {
-                    opts = opts.with_agent_dir(dir);
-                }
-            }
             opts
         });
 

sdk/python/src/lib.rs

@@ -318,31 +318,17 @@ impl PyAgent {
     /// Args:
     ///     workspace: Path to the workspace directory
     ///     model: Optional model override, format "provider/model" (e.g., "openai/gpt-4o")
-    ///     skill_dirs: Optional list of additional skill directories
-    ///     agent_dirs: Optional list of additional agent directories
-    #[pyo3(signature = (workspace, model=None, skill_dirs=None, agent_dirs=None))]
+    #[pyo3(signature = (workspace, model=None))]
     fn session(
         &self,
         workspace: String,
         model: Option<String>,
-        skill_dirs: Option<Vec<String>>,
-        agent_dirs: Option<Vec<String>>,
     ) -> PyResult<PySession> {
-        let opts = if model.is_some() || skill_dirs.is_some() || agent_dirs.is_some() {
+        let opts = if model.is_some() {
             let mut o = RustSessionOptions::new();
             if let Some(m) = model {
                 o = o.with_model(m);
             }
-            if let Some(dirs) = skill_dirs {
-                for dir in dirs {
-                    o = o.with_skill_dir(dir);
-                }
-            }
-            if let Some(dirs) = agent_dirs {
-                for dir in dirs {
-                    o = o.with_agent_dir(dir);
-                }
-            }
             Some(o)
         } else {
             None