add cached fuzzy file search and debounce unified picker

packages/ui/src/lib/api-client.ts

@@ -8,10 +8,11 @@ import type {
   FileSystemListResponse,
   InstanceData,
   ServerMeta,
- 
   WorkspaceCreateRequest,
   WorkspaceDescriptor,
   WorkspaceFileResponse,
+  WorkspaceFileSearchResponse,
+
   WorkspaceLogEntry,
   WorkspaceEventPayload,
   WorkspaceEventType,
@@ -99,12 +100,33 @@ export const cliApi = {
     const params = new URLSearchParams({ path: relativePath })
     return request<FileSystemEntry[]>(`/api/workspaces/${encodeURIComponent(id)}/files?${params.toString()}`)
   },
+  searchWorkspaceFiles(
+    id: string,
+    query: string,
+    opts?: { limit?: number; type?: "file" | "directory" | "all" },
+  ): Promise<WorkspaceFileSearchResponse> {
+    const trimmed = query.trim()
+    if (!trimmed) {
+      return Promise.resolve([])
+    }
+    const params = new URLSearchParams({ q: trimmed })
+    if (opts?.limit) {
+      params.set("limit", String(opts.limit))
+    }
+    if (opts?.type) {
+      params.set("type", opts.type)
+    }
+    return request<WorkspaceFileSearchResponse>(
+      `/api/workspaces/${encodeURIComponent(id)}/files/search?${params.toString()}`,
+    )
+  },
   readWorkspaceFile(id: string, relativePath: string): Promise<WorkspaceFileResponse> {
     const params = new URLSearchParams({ path: relativePath })
     return request<WorkspaceFileResponse>(
       `/api/workspaces/${encodeURIComponent(id)}/files/content?${params.toString()}`,
     )
   },
+
   fetchConfig(): Promise<AppConfig> {
     return request<AppConfig>("/api/config/app")
   },