feat: add lesson export and import functionality

- Implemented `LessonExport` and `LessonImport` actions in the action module.
- Added corresponding command parsing for lesson export and import.
- Created functions to handle lesson export and import in the memory module.
- Updated state management to reflect changes after lesson operations.
- Introduced deferred operations for handling asynchronous tasks in the event loop.
- Enhanced the tool execution context to include graduated checks for file operations.
- Added OAuth support with PKCE for secure authorization flows.
- Implemented a loopback server for handling OAuth redirects.
- Refactored various modules to improve code organization and maintainability.

src/tool/mod.rs

@@ -21,6 +21,13 @@ pub trait Tool: Send + Sync {
     fn run(&self, ctx: &ToolCtx, args: &Value) -> Result<String>;
 }
 
+#[derive(Debug, Clone)]
+pub struct GraduatedCheck {
+    pub name: String,
+    pub pattern: String,
+    pub rule: String,
+}
+
 pub struct ToolCtx {
     pub workspaces: Vec<PathBuf>,
     pub session_dir: PathBuf,
@@ -30,6 +37,17 @@ pub struct ToolCtx {
     pub dir_cache: std::sync::Arc<tokio::sync::RwLock<super::app::state::misc::DirCache>>,
     pub internet_mode: super::model::settings::InternetMode,
     pub origin: crate::app::state::types::Origin,
+    pub graduated_checks: Vec<GraduatedCheck>,
+}
+
+pub fn check_graduated_checks(path: &str, content: &str, checks: &[GraduatedCheck]) -> Vec<String> {
+    let mut matches = Vec::new();
+    for check in checks {
+        if path.contains(&check.pattern) || content.contains(&check.rule) {
+            matches.push(check.name.clone());
+        }
+    }
+    matches
 }
 
 impl ToolCtx {
@@ -47,6 +65,7 @@ pub struct ToolCtxBuilder {
     pub dir_cache: std::sync::Arc<tokio::sync::RwLock<super::app::state::misc::DirCache>>,
     pub internet_mode: super::model::settings::InternetMode,
     pub origin: crate::app::state::types::Origin,
+    pub graduated_checks: Vec<GraduatedCheck>,
 }
 
 impl Default for ToolCtxBuilder {
@@ -60,6 +79,7 @@ impl Default for ToolCtxBuilder {
             dir_cache: std::sync::Arc::new(tokio::sync::RwLock::new(super::app::state::misc::DirCache::new())),
             internet_mode: super::model::settings::InternetMode::Off,
             origin: crate::app::state::types::Origin::Main,
+            graduated_checks: Vec::new(),
         }
     }
 }
@@ -72,6 +92,8 @@ impl ToolCtxBuilder {
     pub fn worktrees_dir(mut self, v: PathBuf) -> Self { self.worktrees_dir = v; self }
     pub fn internet_mode(mut self, v: super::model::settings::InternetMode) -> Self { self.internet_mode = v; self }
     pub fn origin(mut self, v: crate::app::state::types::Origin) -> Self { self.origin = v; self }
+    #[expect(dead_code)]
+    pub fn graduated_checks(mut self, v: Vec<GraduatedCheck>) -> Self { self.graduated_checks = v; self }
     pub fn build(self) -> ToolCtx {
         ToolCtx {
             workspaces: self.workspaces,
@@ -82,6 +104,7 @@ impl ToolCtxBuilder {
             dir_cache: self.dir_cache,
             internet_mode: self.internet_mode,
             origin: self.origin,
+            graduated_checks: self.graduated_checks,
         }
     }
 }