added full project UML class diagram

design-assets/uml-class-diagram.md

@@ -0,0 +1,75 @@
+# Sentinel — UML Architecture Diagram
+
+This diagram outlines the complete system architecture and core class interactions of the Sentinel project.
+
+## 🔗 Architecture Overview
+
+```mermaid
+classDiagram
+    class SentinelAPI {
+        +start_scan(path: str)
+        +execute_plan(plan_id: str)
+        +undo_task(task_id: str)
+        +get_task_status()
+    }
+
+    class Scanner {
+        +scan_directory(path: str) List~FileMetadata~
+        +calculate_hashes()
+        -ignore_blacklisted()
+    }
+
+    class FileClassifier {
+        +classify(file: FileMetadata) Category
+        +detect_duplicates(files)
+    }
+
+    class RulesEngine {
+        +apply_rules(files)
+        +load_user_preferences()
+    }
+
+    class AIPlanner {
+        +generate_plan(files, category) JSON
+        -communicate_with_ollama()
+    }
+
+    class SafetyValidator {
+        +validate_plan(plan: JSON) bool
+        -check_system_paths()
+    }
+
+    class Executor {
+        +execute(plan: JSON) Result
+        +undo(task_id: str)
+        -move_to_trash()
+    }
+
+    class DatabaseManager {
+        +save_task()
+        +save_execution_log()
+        +record_user_decision()
+    }
+
+    class WebUI {
+        +render_dashboard()
+        +show_diff_viewer()
+        +handle_websocket_events()
+    }
+
+    class CLI {
+        +parse_arguments()
+        +display_rich_table()
+    }
+
+    SentinelAPI --> Scanner : invokes
+    Scanner --> FileClassifier : uses
+    FileClassifier --> RulesEngine : forwards to
+    RulesEngine --> AIPlanner : requests plan
+    AIPlanner --> SafetyValidator : validates
+    SafetyValidator --> SentinelAPI : returns safe plan
+    SentinelAPI --> Executor : triggers
+    Executor --> DatabaseManager : logs actions
+    WebUI --> SentinelAPI : REST / WebSocket Calls
+    CLI --> SentinelAPI : Local Commands
+```