chore: UI polish, docs update, and cleanup

- Refine icon button border-radius from rounded-md to rounded-[9px]
- Add v0.0.5 entry to release history
- Remove stale codebase-health.json
- Add demo orchestrator plan doc

Author: fazxes

apps/agent/src/components/layout/content-top-bar.tsx

@@ -499,7 +499,7 @@ export const ContentTopBar: FC<ContentTopBarProps> = ({
             onClick={toggleReviewPanel}
             aria-label={reviewPanelOpen ? 'Hide Activity Panel' : 'Show Activity Panel'}
             className={cn(
-              'h-6 w-6 flex items-center justify-center rounded-md',
+              'h-6 w-6 flex items-center justify-center rounded-[9px]',
               'hover:bg-lg-control-hover active:scale-[0.98]',
               'transition-[color,background-color,transform] duration-150',
               reviewPanelOpen ? 'text-foreground' : 'text-sidebar-foreground hover:text-foreground'
@@ -519,7 +519,7 @@ export const ContentTopBar: FC<ContentTopBarProps> = ({
             onClick={handleToggleTerminal}
             aria-label={bottomPanelOpen ? 'Hide Terminal' : 'Show Terminal'}
             className={cn(
-              'h-6 w-6 flex items-center justify-center rounded-md',
+              'h-6 w-6 flex items-center justify-center rounded-[9px]',
               'hover:bg-lg-control-hover active:scale-[0.98]',
               'transition-[color,background-color,transform] duration-150',
               bottomPanelOpen && !terminalCollapsed
@@ -541,7 +541,7 @@ export const ContentTopBar: FC<ContentTopBarProps> = ({
             onClick={toggleRightSidebar}
             aria-label={rightSidebarOpen ? 'Hide Actions Bar' : 'Show Actions Bar'}
             className={cn(
-              'h-6 w-6 flex items-center justify-center rounded-md',
+              'h-6 w-6 flex items-center justify-center rounded-[9px]',
               'hover:bg-lg-control-hover active:scale-[0.98]',
               'transition-[color,background-color,transform] duration-150',
               rightSidebarOpen ? 'text-foreground' : 'text-sidebar-foreground hover:text-foreground'

apps/agent/src/components/layout/primary-sidebar/PrimarySidebar.tsx

@@ -352,7 +352,7 @@ export const PrimarySidebar: FC = () => {
         <button
           onClick={toggleLeftSidebar}
           aria-label="Collapse sidebar"
-          className="relative h-7 w-7 flex items-center justify-center rounded-md hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground before:absolute before:content-[''] before:inset-[-8px]"
+          className="relative h-7 w-7 flex items-center justify-center rounded-[9px] hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground before:absolute before:content-[''] before:inset-[-8px]"
         >
           <SFSymbol
             name="sidebar.left"
@@ -367,7 +367,7 @@ export const PrimarySidebar: FC = () => {
         <div className="flex items-center gap-0.5 ml-auto">
           <button
             aria-label="Go back"
-            className="h-7 w-7 flex items-center justify-center rounded-md hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground"
+            className="h-7 w-7 flex items-center justify-center rounded-[9px] hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground"
             onClick={() => {
               if (vaultOpen) {
                 useUIStore.getState().setVaultOpen(false);
@@ -383,7 +383,7 @@ export const PrimarySidebar: FC = () => {
           </button>
           <button
             aria-label="Go forward"
-            className="h-7 w-7 flex items-center justify-center rounded-md hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground"
+            className="h-7 w-7 flex items-center justify-center rounded-[9px] hover:bg-lg-sidebar-hover active:scale-95 transition-transform duration-75 text-sidebar-foreground hover:text-foreground"
           >
             <SFSymbol
               name="arrow.right"

docs/development/RELEASE-GUIDE.md

@@ -323,6 +323,7 @@ git push origin vX.Y.Z
 | v0.0.2  | Feb 2026 | Added `createUpdaterArtifacts`. Failed: corrupted signing key, then wrong password. Never released successfully. |
 | v0.0.3  | Feb 2026 | First successful end-to-end release. New signing key with password `build`.                                      |
 | v0.0.4  | Feb 2026 | Auto-update test. Verified v0.0.3 → v0.0.4 update works end-to-end.                                              |
+| v0.0.5  | Mar 2026 | Dependency bumps (lucide-react, @anthropic-ai/sdk, ESLint 10, Sentry, upload-artifact v7).                       |
 
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