diff --git a/scripts/ralph/prd.json b/scripts/ralph/prd.json
index 24b4b36..9da1282 100644
--- a/scripts/ralph/prd.json
+++ b/scripts/ralph/prd.json
@@ -147,14 +147,14 @@
     },
     {
       "id": "US-009",
-      "title": "Client CRUD UI in Projects sidebar",
-      "description": "As a user, I want to create, rename, and delete Clients and Sub-Clients from the Projects sidebar so that I can mirror real-world corporate structures.",
+      "title": "Project CRUD UI in Projects sidebar",
+      "description": "As a user, I want to create, rename, and delete Projects from the Projects sidebar, where each project can optionally belong to a Client or Sub-Client.",
       "acceptanceCriteria": [
-        "'New Client' button at top of Projects sidebar uses shadcn/ui Button component; creates a top-level client via clients.create tRPC mutation",
-        "Each client item has a context menu using shadcn/ui DropdownMenu (triggered by right-click or kebab icon) with items: Rename, New Sub-Client, Delete",
+        "'New Project' button at top of Projects sidebar uses shadcn/ui Button component; creates a new project via clients.create tRPC mutation",
+        "Each project item has a context menu using shadcn/ui DropdownMenu (triggered by kebab icon) with items: Rename, Delete",
         "Rename activates an inline editable field (shadcn/ui Input) replacing the label; pressing Enter or blurring saves via clients.update",
-        "'New Sub-Client' calls clients.create with parentId set to the selected client's id",
-        "Delete shows a shadcn/ui AlertDialog confirmation; if the client has children or projects, warns the user and offers cascade-delete option",
+        "Delete shows a shadcn/ui AlertDialog confirmation; if the project has sub-projects, warns the user and offers cascade-delete option",
+        "Each project can optionally be associated with a Client or Sub-Client",
         "Tree updates immediately after any mutation without full page reload",
         "All interactive elements use shadcn/ui primitives: install via 'npx shadcn@latest add button input dropdown-menu alert-dialog' before implementing",
         "Typecheck passes",
@@ -166,15 +166,13 @@
     },
     {
       "id": "US-010",
-      "title": "Projects sidebar tree view and project CRUD UI",
-      "description": "As a user, I want to see all clients, sub-clients, and projects in a collapsible tree and manage projects from the Projects section.",
+      "title": "Projects sidebar tree view and project detail routing",
+      "description": "As a user, I want to see all projects in a collapsible tree in the sidebar, optionally grouped by client, and manage them from the Projects section.",
       "acceptanceCriteria": [
-        "Tree renders hierarchy: Client (folder icon, bold) → Sub-Client (folder icon) → Project (circle icon); use shadcn/ui Collapsible for expand/collapse nodes",
-        "Clients and sub-clients have expand/collapse chevrons that work independently",
-        "Search input at the top of the Projects sidebar uses shadcn/ui Input (via SidebarInput from the sidebar component); filters the tree in real-time by name",
-        "'+ New Project' shadcn/ui Button opens a shadcn/ui Dialog with: shadcn/ui Input for name + shadcn/ui Select (searchable) for optional client",
-        "Projects with no client appear under 'Internal / No Client' group",
-        "Project context menu uses shadcn/ui DropdownMenu with items: Edit (re-parent to different client), Archive/Unarchive, Delete",
+        "Tree renders projects as a flat list with folder icons; projects with a client show the client name as a grouping header; use shadcn/ui Collapsible for expand/collapse groups",
+        "Search input at the top of the Projects sidebar uses shadcn/ui Input; filters the tree in real-time by project name",
+        "Projects with no client appear under an 'Internal / No Client' group",
+        "Project context menu uses shadcn/ui DropdownMenu with items: Edit (assign/change client), Archive/Unarchive, Delete",
         "Archived projects hidden by default; a shadcn/ui Switch or toggle reveals them",
         "Clicking a project node loads the Project Detail panel in the right pane",
         "Active project highlighted in tree",