Project layout

src/
  app.rs          editor state, shared application types, and startup coordination
  app/            editor-level Git, workspace, pane, input, editing, terminal,
                  search, syntax, file, picker, settings, and LSP workflows
  buffer.rs       rope-backed buffers, file I/O, and transactional undo
  clipboard.rs    testable operating-system clipboard adapters
  text.rs         rope storage, character offsets, and transactions
  selection.rs    multi-range selections over character offsets
  syntax/         tree-sitter highlighting and the bundled grammar table
  lsp/            asynchronous language-server transport and typed events
  git/            bounded Git commands, projections, diffs, and status tracking
  terminal/       PTYs, emulation, bounded scrollback, and terminal sessions
  workspace/      persistent host state, attachment, and service lifecycle
  protocol/       private versioned DTOs for bundled local clients (Unix)
  command.rs      editor commands and shared display metadata
  headless.rs     frontend-independent semantic editor test facade
  snapshot.rs     owned presentation-neutral editor and overlay snapshots
  config.rs       YAML settings and theme resolution
  directory_buffer.rs
                  editable directory projections and hidden entry identities
  fs_plan.rs      confirmed filesystem plans, conflicts, trash, and application
  diff.rs         line correspondence shared by Git and side-by-side comparison
  diff_view.rs    live paired-buffer comparison state and aligned scrolling
  hash.rs         stable content hashing used by buffers, Git, and transport
  path_safety.rs  canonical project-boundary checks
  external_open.rs
                  binary detection and the remembered programs that open them
  file_picker.rs  fuzzy matching, ignore-aware discovery, and text previews
  finder.rs       buffer and terminal ranking merged into the file scan
  picker.rs       shared presentation-neutral filterable result state
  help.rs         per-view prose and the registry-derived help document
  jump_labels.rs  proximity-ranked one- and two-key `gw` labels and narrowing
  key_hints.rs    registry-backed key discovery state
  keymap.rs       declarative bindings and sequence lookup
  layout.rs       recursive split tree
  notification.rs bounded workspace-lifetime history and its buffer document
  ui.rs           Ratatui widgets and editor frame composition
  wrap.rs         Unicode cell-aware visual-line and soft-wrap geometry
  main.rs         CLI, event loop, and Crossterm terminal lifecycle