fix: keep worktree sessions in the right group

Prevents stale worktree lists from overwriting newly created worktrees
Uses the created worktree path when selecting linked worktree sessions

packages/ui/src/sync/session-actions.test.ts

@@ -5,6 +5,7 @@ import type { QuestionRequest } from "@/types/question"
 // Mock SDK client that records permission.reply / question.reply calls
 const replyCalls: Array<{ method: string; params: Record<string, unknown> }> = []
 const scopedClientDirectories: string[] = []
+const registeredSessionDirectories: Array<{ sessionID: string; directory: string }> = []
 let sessionRevertResult: { data?: unknown; error?: unknown; response?: { status?: number } } = {}
 let questionReplyError: unknown | null = null
 
@@ -139,14 +140,18 @@ mock.module("./input-store", () => ({
   },
 }))
 
-// Mock useGlobalSessionsStore (imported but not used in permission functions)
 mock.module("@/stores/useGlobalSessionsStore", () => ({
-  useGlobalSessionsStore: {},
+  useGlobalSessionsStore: {
+    getState: () => ({
+      upsertSession: () => {},
+    }),
+  },
 }))
 
-// Mock sync-refs (imported but not used in permission functions)
 mock.module("./sync-refs", () => ({
-  registerSessionDirectory: () => {},
+  registerSessionDirectory: (sessionID: string, directory: string) => {
+    registeredSessionDirectories.push({ sessionID, directory })
+  },
 }))
 
 import { create, type StoreApi } from "zustand"

packages/ui/src/sync/session-actions.ts

@@ -335,16 +335,16 @@ export async function createSession(
       parentID: parentID ?? undefined,
     }, directoryOverride ?? dir())
 
-      const sessionDirectory = (session as { directory?: string }).directory ?? directoryOverride ?? null
-      // Pre-populate routing index so SSE events arriving before session.created
-      // can be routed to the correct child store
-      if (sessionDirectory) {
-        registerSessionDirectory(session.id, sessionDirectory)
-      }
-      useSessionUIStore.getState().setCurrentSession(session.id, sessionDirectory)
-      useSessionUIStore.getState().markSessionAsOpenChamberCreated(session.id)
-      useGlobalSessionsStore.getState().upsertSession(session)
-      return session
+    const sessionDirectory = (session as { directory?: string | null }).directory ?? null
+    // Pre-populate routing index so SSE events arriving before session.created
+    // can be routed to the correct child store
+    if (sessionDirectory) {
+      registerSessionDirectory(session.id, sessionDirectory)
+    }
+    useSessionUIStore.getState().setCurrentSession(session.id, sessionDirectory)
+    useSessionUIStore.getState().markSessionAsOpenChamberCreated(session.id)
+    useGlobalSessionsStore.getState().upsertSession(session)
+    return session
   } catch (error) {
     console.error("[session-actions] createSession failed", error)
     return null