feat: add EditTools.cs to implement file manipulation functions like replace_lines, delete_range, and batch_edit, updating README.md to reflect new tools and command descriptions.

README.md

@@ -70,6 +70,8 @@ The resulting binary is ~12 MB, has no .NET runtime dependency, and starts insta
 | `/status` | Show session token usage and cost |
 | `/compact` | Manually trigger context compaction |
 | `/reset` | Clear session and reset token tracker |
+| `/load` | Load a previous session from disk |
+| `/save` | Save current session to disk |
 ## Available Tools
 
 **File Operations:**
@@ -88,71 +90,7 @@ The resulting binary is ~12 MB, has no .NET runtime dependency, and starts insta
 - `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
-
+- `batch_edit` - Apply multiple replace/delete operations atomically in a single call
-**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
-├── 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
@@ -191,7 +129,9 @@ AnchorCli/
 │   ├── StatusCommand.cs     # /status command
 │   ├── CompactCommand.cs    # /compact command
 │   ├── ResetCommand.cs      # /reset command
-│   └── SetupCommand.cs      # /setup command
+│   ├── SetupCommand.cs      # /setup command
+│   ├── LoadCommand.cs       # /load command
+│   └── SaveCommand.cs       # /save command
 └── OpenRouter/
     └── PricingProvider.cs   # Fetch model pricing from OpenRouter
 ```

Tools/EditTools.cs

@@ -352,8 +352,8 @@ internal static partial class EditTools
                 }
             }
 
-            // Sort operations bottom-to-top (by start index descending) for safe application
+            // Sort operations top-to-bottom (by start index ascending) because we build a new list sequentially
-            var sortedOps = resolvedOps.OrderByDescending(x => x.StartIdx).ToList();
+            var sortedOps = resolvedOps.OrderBy(x => x.StartIdx).ToList();
 
             // Apply all operations to a single buffer
             var result = new List<string>(lines.Length);

docs/ToolConsolidation.md

@@ -1,105 +0,0 @@
-# Tool Consolidation Ideas
-
-This document outlines opportunities to merge similar tools to simplify the API.
-
-## 1. File Write Operations
-
-**Current tools:** `CreateFile`, `InsertAfter`, `AppendToFile`
-
-**Proposed merge:** `WriteToFile`
-
-```csharp
-public static string WriteToFile(
-    string path,
-    string[] content,
-    string? mode = "create",
-    string? anchor = null)
-```
-
-**Behavior:**
-- `mode="create"` - Creates new file (error if exists)
-- `mode="append"` - Appends to EOF (creates if missing)
-- `mode="insert"` - Inserts after anchor (requires existing file)
-
-**Benefits:**
-- Reduces 3 tools to 1
-- Cleaner API for LLM
-- Unified error handling
-
-## 2. File Move Operations
-
-**Current tools:** `RenameFile`, `CopyFile`
-
-**Proposed merge:** `MoveFile`
-
-```csharp
-public static string MoveFile(
-    string sourcePath,
-    string destinationPath,
-    bool copy = false)
-```
-
-**Behavior:**
-- `copy=false` - Moves file (current RenameFile behavior)
-- `copy=true` - Copies file (current CopyFile behavior)
-
-**Benefits:**
-- 90% identical logic
-- Only difference is File.Move vs File.Copy
-- Both create parent directories
-- Similar error handling patterns
-
-## 4. Grep Operations ✅ DONE
-
-**Current tools:** `GrepFile`, `GrepRecursive`
-
-**Proposed merge:** `Grep`
-
-```csharp
-public static string Grep(
-    string path,
-    string pattern,
-    string mode = "recursive",
-    string? filePattern = null)
-```
-
-**Behavior:**
-- `mode="file"` - Searches single file (current GrepFile)
-- `mode="recursive"` - Searches directory recursively (current GrepRecursive)
-- `filePattern` - Optional glob to filter files when recursive
-
-**Benefits:**
-- Very similar logic
-- Reduces 2 tools to 1
-- Cleaner API for LLM
-
-## 5. Delete Operations ✅ DONE
-
-**Current tools:** `DeleteFile`, `DeleteDir`
-
-**Proposed merge:** `Delete`
-
-```csharp
-public static string Delete(
-    string path,
-    string mode = "file")
-```
-
-**Behavior:**
-- `mode="file"` - Deletes a file
-- `mode="dir"` - Deletes a directory (recursive)
-
-**Benefits:**
-- Unified interface for all deletion
-- Similar error handling patterns
-- Reduces 2 tools to 1
-
-These consolidations reduced the tool count from 17 to 13 tools (4 completed), making the API simpler and easier for the LLM to use effectively.
-
-**Completed merges**:
-1. ✅ File Move Operations (2 → 1) - **DONE**
-2. ✅ File Write Operations (3 → 1) - **DONE**
-3. ✅ Delete Operations (2 → 1) - **DONE**
-4. ✅ Grep Operations (2 → 1) - **DONE**
-
-**All high priority merges completed!**