feat: improve chat streaming UX and add Mermaid diagram rendering (#438)

* feat: show current branch in empty chat state

* fix: display current git branch for worktrees and update them with branch change

* refactor: improve read tool output parsing with structured data

* feat: add support for message part delta events

* fix(chat): improve streaming rendering, scroll behavior, and assistant action visibility

* feat: Add mermaid diagram support to chat markdown rendering

* fix: update table download functionality to include success notification and remove unused MarkdownRenderer import

* refactor: streamline Streamdown component props for improved readability

* fix: preserve Streamdown code-block markers and use native Tauri cache clearing

* feat: add context overview panel to view conversation details

packages/ui/package.json

@@ -37,7 +37,7 @@
     "@fontsource/ibm-plex-sans": "^5.1.1",
     "@ibm/plex": "^6.4.1",
     "@lezer/highlight": "^1.2.3",
-    "@opencode-ai/sdk": "^1.1.65",
+    "@opencode-ai/sdk": "^1.2.5",
     "@pierre/diffs": "1.1.0-beta.13",
     "@radix-ui/react-collapsible": "^1.1.12",
     "@radix-ui/react-dialog": "^1.1.15",
@@ -50,6 +50,8 @@
     "@radix-ui/react-toggle": "^1.1.10",
     "@radix-ui/react-tooltip": "^1.2.8",
     "@remixicon/react": "^4.7.0",
+    "@streamdown/code": "^1.0.2",
+    "@streamdown/mermaid": "^1.0.2",
     "@types/react-syntax-highlighter": "^15.5.13",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
@@ -67,7 +69,7 @@
     "react-syntax-highlighter": "^15.6.6",
     "simple-git": "^3.28.0",
     "sonner": "^2.0.7",
-    "streamdown": "^1.6.10",
+    "streamdown": "^2.2.0",
     "strip-json-comments": "^5.0.3",
     "tailwind-merge": "^3.3.1",
     "yaml": "^2.8.1",