feat: enhance lesson management and review system

- Added LessonAccept and LessonReject actions to manage lesson outcomes.
- Implemented probe for build/test verification before triggering reviews.
- Introduced a mechanism for recording shadow hits and evaluating trials in the ReviewSystem.
- Enhanced lesson structure with additional fields for scope, snippets, and provenances.
- Updated command parsing to include lesson acceptance and rejection commands.
- Improved session state management with staleness sweeps and retrospective creation.
- Enhanced UI to display detailed usage statistics and quality trends.

src/controller/command.rs

@@ -8,6 +8,8 @@ pub enum Command {
     LessonCreate(String),
     LessonExport(String),
     LessonImport(String),
+    LessonAccept(String),
+    LessonReject(String),
     Mode(ModeKind),
     Clear,
     Save,
@@ -46,6 +48,8 @@ pub fn parse_command(text: &str) -> Command {
         "/lesson" if arg1 == "export" && !arg2.is_empty() => Command::LessonExport(arg2.to_string()),
         "/lesson" if arg1 == "import" && !arg2.is_empty() => Command::LessonImport(arg2.to_string()),
         "/lesson" if arg1 == "list" || arg1 == "ls" => Command::LessonList,
+        "/lesson" if arg1 == "accept" && !arg2.is_empty() => Command::LessonAccept(arg2.to_string()),
+        "/lesson" if arg1 == "reject" && !arg2.is_empty() => Command::LessonReject(arg2.to_string()),
         "/lesson" if !arg1.is_empty() => Command::LessonCreate(arg1.to_string()),
         "/lesson" => Command::LessonList,
         "/login" if !arg1.is_empty() => Command::Login { provider: arg1.to_string() },