Symphony IDE is a modern development environment focused on performance, extensibility, and thematic creativity. This document outlines the core IDE features that define Symphony, excluding AI and agentic capabilities.

🧠 Code Intelligence

• Language Server Protocol (LSP): Enables features like IntelliSense, diagnostics, navigation, and refactoring for any supported language.
• Inline Documentation Tooltips: Hover over symbols to view type hints, docstrings, and parameter info.
• Go to Implementation/References: Jump to interface implementations and reference usages across the project.
• Code Folding & Symbol Tree View: Fold code blocks and navigate large files via an outline of functions, classes, and symbols.
• Syntax Highlighting & Language Support: Built-in support for dozens of languages with TextMate grammars and LSP extensions.
• EditorConfig Support: Enforces consistent code style using .editorconfig across teams.

💻 Editing & Productivity

• Multi-Cursor Editing: Use multiple cursors to edit in parallel with Alt+Click, Ctrl+D, Ctrl+Shift+L, etc.
• Command Palette: Quick access to all commands with Ctrl+Shift+P.
• Search and Replace: Project-wide search with regex and preview features (Ctrl+Shift+F).
• Bookmarks & Sticky Notes (Optional): Tag lines and leave notes for navigation and reminders.

🧰 File & Project Management

• Sidebar & Explorer: Navigate project files with drag-and-drop, context menus, and nesting.
• Tabs & Status Bar: Manage open files, track cursor position, Git branch, and diagnostics in the status bar.
• Project-wide File Icons: Visual indicators for file types (e.g., .js, .json, Dockerfile) in the file tree.