diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b063c7..9a6ad06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- Agent tree visualization: SVG tree of tool calls with horizontal layout, bezier edges, status-colored nodes (AgentTree.svelte + agent-tree.ts) (Phase 5)
+- Global status bar showing terminal/agent pane counts, active agents with pulse animation, total tokens and cost (StatusBar.svelte) (Phase 5)
+- Toast notification system with auto-dismiss (4s), max 5 visible, color-coded by type (notifications.svelte.ts + ToastContainer.svelte) (Phase 5)
+- Agent dispatcher toast integration: notifications on agent complete, error, and sidecar crash (Phase 5)
+- Settings dialog with default shell, working directory, and max panes configuration (SettingsDialog.svelte) (Phase 5)
+- Settings persistence: key-value settings table in SQLite, Tauri commands settings_get/set/list, settings-bridge.ts adapter (Phase 5)
+- Keyboard shortcuts: Ctrl+W close focused pane, Ctrl+, open settings dialog (Phase 5)
 - SQLite session persistence with rusqlite (bundled, WAL mode) — sessions table + layout_state singleton (Phase 4)
 - Session CRUD: save, delete, update_title, touch with 7 Tauri commands (Phase 4)
 - Layout restore on app startup — panes and preset restored from database (Phase 4)
diff --git a/README.md b/README.md
index 3e3265d..440109e 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Terminal with session panel (MobaXterm-style), built with GTK 3 + VTE. Catppuccin Mocha theme.
 
-> **v2 MVP complete (Phase 4 done):** Multi-session Claude agent dashboard using Tauri 2.x + Svelte 5. Features: multi-pane terminal with PTY backend, agent panes with structured output from `claude` CLI, SQLite session persistence with layout restore, live markdown file viewer, CSS Grid tiling, and Catppuccin theme. Branch `v2-mission-control`. See [docs/task_plan.md](docs/task_plan.md) for architecture and [docs/phases.md](docs/phases.md) for implementation plan.
+> **v2 Phase 5 in progress (MVP complete, polish underway):** Multi-session Claude agent dashboard using Tauri 2.x + Svelte 5. Features: multi-pane terminal with PTY backend, agent panes with structured output and tree visualization, SQLite session persistence with layout restore, live markdown file viewer, global status bar with cost tracking, toast notifications, settings dialog, CSS Grid tiling, and Catppuccin theme. Branch `v2-mission-control`. See [docs/task_plan.md](docs/task_plan.md) for architecture and [docs/phases.md](docs/phases.md) for implementation plan.
 
 ![BTerminal](screenshot.png)
 
diff --git a/TODO.md b/TODO.md
index 807c320..188093b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,7 +2,7 @@
 
 ## Active
 
-- [ ] **Phase 5: Agent Tree + Polish** -- Agent tree visualization (SVG), global status bar, notifications, settings dialog, ctx integration.
+- [ ] **Phase 5 remaining** -- Click tree node -> focus agent pane (onNodeClick wiring), subtree cost display in tree, ctx integration (port from v1).
 - [ ] **Phase 6: Packaging + Distribution** -- install.sh v2, AppImage, .deb, GitHub Actions CI, auto-update.
 - [ ] **Markdown rendering in agent text messages** -- Currently plain text; needs marked.js integration in AgentPane text blocks.
 - [ ] **Testing** -- vitest for sdk-messages adapter, cargo test for sidecar/session/watcher, Playwright for e2e.
@@ -14,6 +14,7 @@
 
 ## Completed
 
+- [x] **Phase 5 partial: Agent Tree + Polish** -- Agent tree SVG visualization, global status bar, toast notifications, settings dialog + SQLite backend, keyboard shortcuts (Ctrl+W, Ctrl+,), agent dispatcher toast integration. | Done: 2026-03-06
 - [x] **Phase 4: Session Management + Markdown Viewer** -- SQLite persistence (rusqlite, WAL), session CRUD, layout restore on startup, file watcher (notify crate), MarkdownPane with marked.js and Catppuccin styles, sidebar file picker. | Done: 2026-03-06
 - [x] **Phase 3: Agent SDK Integration (core + polish)** -- Sidecar manager with restart, crash detection, auto-scroll lock, agent pane with messages/cost/stop/restart. | Done: 2026-03-06
 - [x] **Phase 2: Terminal Pane + Layout** -- PTY backend (portable-pty), xterm.js + Canvas addon, CSS Grid tiling (5 presets), sidebar, keyboard shortcuts. | Done: 2026-03-05