feat: add view_range parameter and remove read_file llm tool (#1690)

tests/llm_tools_spec.lua

@@ -6,7 +6,7 @@ local Utils = require("avante.utils")
 local ls = require("avante.llm_tools.ls")
 local grep = require("avante.llm_tools.grep")
 local glob = require("avante.llm_tools.glob")
-local read_file = require("avante.llm_tools.read_file")
+local view = require("avante.llm_tools.view")
 local bash = require("avante.llm_tools.bash")
 
 LlmToolHelpers.confirm = function(msg, cb) return cb(true) end
@@ -75,17 +75,27 @@ describe("llm_tools", function()
     end)
   end)
 
-  describe("read_file", function()
+  describe("view", function()
     it("should read file content", function()
-      local content, err = read_file({ rel_path = "test.txt" })
-      assert.is_nil(err)
-      assert.equals("test content", content)
+      view({ path = "test.txt" }, nil, function(content, err)
+        assert.is_nil(err)
+        assert.equals("test content", content)
+      end)
     end)
 
     it("should return error for non-existent file", function()
-      local content, err = read_file({ rel_path = "non_existent.txt" })
-      assert.truthy(err)
-      assert.equals("", content)
+      view({ path = "non_existent.txt" }, nil, function(content, err)
+        assert.truthy(err)
+        assert.equals("", content)
+      end)
+    end)
+
+    it("should read directory content", function()
+      view({ path = test_dir }, nil, function(content, err)
+        assert.is_nil(err)
+        assert.truthy(content:find("test.txt"))
+        assert.truthy(content:find("test content"))
+      end)
     end)
   end)