docs: add batch_edit tool and load/save commands to README

README.md

@@ -98,6 +98,71 @@ The resulting binary is ~12 MB, has no .NET runtime dependency, and starts insta
 **Command Execution:**
 - `execute_command` - Run shell commands (with user approval)
 
+```
+AnchorCli/
+├── Program.cs              # Entry point + CLI parsing
+├── ReplLoop.cs             # Main REPL loop with streaming, spinners, and cancellation
+├── ChatSession.cs          # AI chat client wrapper with message history
+├── ToolRegistry.cs         # Centralized tool registration and dispatch
+├── AnchorConfig.cs         # JSON file-based configuration (~APPDATA~/anchor/config.json)
+├── ContextCompactor.cs     # Conversation history compression
+├── AppJsonContext.cs       # Source-generated JSON context (AOT)
+├── SetupTui.cs             # Interactive setup TUI
+├── Hashline/
+│   ├── HashlineEncoder.cs   # Adler-8 + position-seed hashing
+│   └── HashlineValidator.cs # Anchor resolution + validation
+├── Tools/
+│   ├── FileTools.cs         # read_file, grep_file, grep_recursive, find_files, get_file_info
+│   ├── EditTools.cs         # replace_lines, insert_after, delete_range, create/delete/rename/copy/append
+│   ├── DirTools.cs          # list_dir, create_dir, rename_dir, delete_dir
+│   └── CommandTool.cs       # execute_command
+├── Commands/
+│   ├── ICommand.cs          # Command interface
+│   ├── CommandRegistry.cs   # Command registration
+│   ├── CommandDispatcher.cs # Command dispatch logic
+│   ├── ExitCommand.cs       # /exit command
+│   ├── HelpCommand.cs       # /help command
+│   ├── ClearCommand.cs      # /clear command
+│   ├── StatusCommand.cs     # /status command
+│   ├── CompactCommand.cs    # /compact command
+│   ├── CompactCommand.cs    # /compact command
+│   ├── LoadCommand.cs       # /load command
+│   ├── SaveCommand.cs       # /save command
+│   └── ResetCommand.cs      # /reset command
+- `append_to_file` - Append lines to the end of a file
+- `batch_edit` - Apply multiple edits atomically in a single operation
+`/compact` | Manually trigger context compaction |
+/load` | Load a previous chat session from file |
+`/save` | Save current chat session to file |
+`/reset` | Clear session and reset token tracker |
+## Available Tools
+
+**File Operations:**
+- `read_file` - Read a file (or a window) with Hashline-tagged lines
+- `grep_file` - Search a file by regex — results are pre-tagged for immediate editing
+- `grep_recursive` - Search for a regex pattern across all files in a directory tree
+- `find_files` - Search for files matching glob patterns
+- `get_file_info` - Get detailed file information (size, permissions, etc.)
+
+**Edit Operations:**
+- `replace_lines` - Replace a range identified by `line:hash` anchors
+- `insert_after` - Insert lines after an anchor
+- `delete_range` - Delete a range between two anchors
+- `create_file` - Create a new file with optional initial content
+- `delete_file` - Delete a file permanently
+- `rename_file` - Rename or move a file
+- `copy_file` - Copy a file to a new location
+- `append_to_file` - Append lines to the end of a file
+
+**Directory Operations:**
+- `list_dir` - List directory contents
+- `create_dir` - Create a new directory (with parent directories)
+- `rename_dir` - Rename or move a directory
+- `delete_dir` - Delete a directory and all its contents
+
+**Command Execution:**
+- `execute_command` - Run shell commands (with user approval)
+
 ```
 AnchorCli/
 ├── Program.cs              # Entry point + CLI parsing