UI and added new features #1

halilbarim · 2025-12-15T11:12:41Z

No description provided.

Copilot

Pull request overview

This PR implements a major UI overhaul and introduces several significant new features to the Lucid VS Code extension, transforming it from a simple Ollama chat interface into a full-featured AI coding assistant with agent capabilities and CLI command execution.

Key Changes

Agent Mode: New mode that allows AI to propose code changes with user approval before applying
CLI Command Detection & Execution: Automatically detects and can execute CLI commands from AI responses
State Persistence: Conversation history and UI state now persist across sessions
Enhanced Code Actions: Code blocks now have interactive buttons (copy, insert, apply, diff)
Selection Context: UI now displays and uses active code selection in prompts

Reviewed changes

Copilot reviewed 4 out of 7 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
tsconfig.json	Added `skipLibCheck` to speed up compilation
package.json	Changed from Ollama-specific defaults to generic API endpoint configuration, removed explicit activation events
extension.ts	Added 1300+ lines implementing agent mode, CLI commands, code editing helpers, conversation history, and enhanced message handling
ui.html	Complete UI rewrite (900→2472 lines) with mode toggle, agent changes panel, CLI commands UI, and state persistence
config.ts	Updated default endpoint and API key header, made model name optional
lucid-icon.svg	New SVG icon with Turkish comment "sixty" typo
lucid-icon.png	New PNG icon (binary file)

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

Copilot · 2025-12-15T11:18:03Z

Lucid/vscode-extension/src/extension.ts

+                exec(
+                  command,
+                  {
+                    cwd,
+                    shell:
+                      process.platform === "win32"
+                        ? "powershell.exe"
+                        : "/bin/zsh",
+                  },
+                  (error: any, stdout: any, stderr: any) => {
+                    // Display output in terminal
+                    if (stdout) terminal.sendText(stdout);
+                    if (stderr) terminal.sendText(stderr);
+
+                    if (error) {
+                      webviewView.webview.postMessage({
+                        type: "cliCommandCompleted",
+                        success: false,
+                        command: command,
+                        commandIndex: commandIndex,
+                        error: error.message,
+                      });
+                    } else {
+                      webviewView.webview.postMessage({
+                        type: "cliCommandCompleted",
+                        success: true,
+                        command: command,
+                        commandIndex: commandIndex,
+                      });
+                    }
+                  }
+                );


The exec function executes shell commands without any input sanitization or validation. This creates a command injection vulnerability where malicious commands extracted from AI responses could be executed with the user's privileges. Consider using execFile instead of exec, implementing a whitelist of allowed commands, or at least sanitizing/validating the command string before execution.

Copilot · 2025-12-15T11:18:04Z

Lucid/vscode-extension/package.json

-    "onCommand:lucid.closeChatView",
-    "onCommand:lucid.dumpState"
-  ],
+  "activationEvents": [],


Setting activationEvents to an empty array means the extension will activate on startup. This can impact VS Code's startup performance. Consider using specific activation events like onView:lucid.chatView or onCommand:* to activate the extension only when needed.

Suggested change

"activationEvents": [],

"activationEvents": [

"onCommand:lucid.setModel",

"onCommand:lucid.sendFile",

"onCommand:lucid.sendActiveFile",

"onCommand:lucid.sendActiveForEdit",

"onCommand:lucid.sendFiles",

"onCommand:lucid.openChatView",

"onCommand:lucid.closeChatView",

"onCommand:lucid.dumpState"

],

Copilot · 2025-12-15T11:18:04Z

Lucid/common/html/ui.html

+        var detectedCommands = [];
+        var currentCommandIndex = 0;
+        var commandsExecuted = [];


The variables detectedCommands, currentCommandIndex, and commandsExecuted are declared twice (lines 843-846 and 844-846). This is redundant and could cause confusion. Remove the duplicate declarations.

Suggested change

var detectedCommands = [];

var currentCommandIndex = 0;

var commandsExecuted = [];

Copilot · 2025-12-15T11:18:05Z

Lucid/vscode-extension/src/extension.ts

-  for (let i = 0; i < 24; i++) nonce += chars.charAt(Math.floor(Math.random() * chars.length));
+  const chars =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+  let nonce = "";


The word "sixty" should be a number "60" in this SVG path data. This appears to be a typo that would cause the SVG to render incorrectly.

Copilot · 2025-12-15T11:18:05Z

Lucid/vscode-extension/src/extension.ts

+
+              if (waitForCompletion) {
+                // Use Node.js child_process to run command and wait for completion
+                const { exec } = require("child_process");


Using require("child_process") dynamically bypasses static analysis and creates a security risk. The child_process module should be imported at the top of the file. Additionally, executing arbitrary CLI commands from user input without proper validation or sandboxing is a critical security vulnerability that could allow command injection attacks.

Copilot · 2025-12-15T11:18:05Z

Lucid/common/html/ui.html

+        var fileHint = document.getElementById("fileHint");
+
+        // Mode toggle elements
+        var modeToggle = document.getElementById("modeToggle");


Unused variable modeToggle.

Suggested change

var modeToggle = document.getElementById("modeToggle");

Copilot · 2025-12-15T11:18:05Z

Lucid/vscode-extension/src/extension.ts

+// Read a specific file's content
+async function readFileContent(filePath: string): Promise<string | null> {
+  try {
+    const uri = vscode.Uri.file(filePath);
+    const bytes = await vscode.workspace.fs.readFile(uri);
+    return Buffer.from(bytes).toString("utf8");
+  } catch (e) {
+    LucidLogger.error("readFileContent error", e);
+    return null;
+  }
+}
+


Unused function readFileContent.

Suggested change

// Read a specific file's content

async function readFileContent(filePath: string): Promise<string | null> {

try {

const uri = vscode.Uri.file(filePath);

const bytes = await vscode.workspace.fs.readFile(uri);

return Buffer.from(bytes).toString("utf8");

} catch (e) {

LucidLogger.error("readFileContent error", e);

return null;

}

}

Copilot · 2025-12-15T11:18:06Z

Lucid/common/html/ui.html

+        if (fileSearch) {
+          fileSearch.addEventListener("input", function () {
+            try {
+              renderFileList(currentFiles, currentAttached);
+            } catch (e) {}
+          });
+          // show results on focus as well if the field has content
+          fileSearch.addEventListener("focus", function () {
+            try {
+              renderFileList(currentFiles, currentAttached);
+            } catch (e) {}
+          });
+          // hide results if clicking outside (simple handler)
+          document.addEventListener("click", function (ev) {
+            try {
+              var target = ev.target;
+              if (!target) return;
+              if (target === fileSearch) return;
+              // if click inside the fileListRoot, ignore
+              if (
+                fileListRoot &&
+                fileListRoot.contains &&
+                fileListRoot.contains(target)
+              )
+                return;
+              // otherwise hide dropdown
+              if (fileListRoot) fileListRoot.style.display = "none";
+              if (fileHint) fileHint.style.display = "none";
+            } catch (e) {}
+          });
        }


This use of variable 'fileSearch' always evaluates to true.

Suggested change

if (fileSearch) {

fileSearch.addEventListener("input", function () {

try {

renderFileList(currentFiles, currentAttached);

} catch (e) {}

});

// show results on focus as well if the field has content

fileSearch.addEventListener("focus", function () {

try {

renderFileList(currentFiles, currentAttached);

} catch (e) {}

});

// hide results if clicking outside (simple handler)

document.addEventListener("click", function (ev) {

try {

var target = ev.target;

if (!target) return;

if (target === fileSearch) return;

// if click inside the fileListRoot, ignore

if (

fileListRoot &&

fileListRoot.contains &&

fileListRoot.contains(target)

)

return;

// otherwise hide dropdown

if (fileListRoot) fileListRoot.style.display = "none";

if (fileHint) fileHint.style.display = "none";

} catch (e) {}

});

}

fileSearch.addEventListener("input", function () {

try {

renderFileList(currentFiles, currentAttached);

} catch (e) {}

});

// show results on focus as well if the field has content

fileSearch.addEventListener("focus", function () {

try {

renderFileList(currentFiles, currentAttached);

} catch (e) {}

});

// hide results if clicking outside (simple handler)

document.addEventListener("click", function (ev) {

try {

var target = ev.target;

if (!target) return;

if (target === fileSearch) return;

// if click inside the fileListRoot, ignore

if (

fileListRoot &&

fileListRoot.contains &&

fileListRoot.contains(target)

)

return;

// otherwise hide dropdown

if (fileListRoot) fileListRoot.style.display = "none";

if (fileHint) fileHint.style.display = "none";

} catch (e) {}

});

Copilot · 2025-12-15T11:18:06Z

Lucid/common/html/ui.html

        }
-      }
+        // keyboard navigation for the dropdown
+        if (fileSearch) {


This use of variable 'fileSearch' always evaluates to true.

UI and added new features

af67f05

halilbarim requested a review from Copilot December 15, 2025 11:12

Copilot started reviewing on behalf of halilbarim December 15, 2025 11:13 View session

Copilot AI reviewed Dec 15, 2025

View reviewed changes

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

UI and added new features #1

UI and added new features #1

Uh oh!

halilbarim commented Dec 15, 2025

Uh oh!

Copilot AI left a comment

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Copilot AI Dec 15, 2025

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

-  "activationEvents": [],
+  "activationEvents": [
+    "onCommand:lucid.setModel",
+    "onCommand:lucid.sendFile",
+    "onCommand:lucid.sendActiveFile",
+    "onCommand:lucid.sendActiveForEdit",
+    "onCommand:lucid.sendFiles",
+    "onCommand:lucid.openChatView",
+    "onCommand:lucid.closeChatView",
+    "onCommand:lucid.dumpState"
+  ],

	var detectedCommands = [];
	var currentCommandIndex = 0;
	var commandsExecuted = [];

UI and added new features #1

Are you sure you want to change the base?

UI and added new features #1

Uh oh!

Conversation

halilbarim commented Dec 15, 2025

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Pull request overview

Key Changes

Reviewed changes

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Copilot AI Dec 15, 2025

Choose a reason for hiding this comment

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants