Fix provider models per workspace (#1167)

* Scope provider snapshots by workspace

* Fix provider snapshot cwd test on Windows

packages/app/src/hooks/providers-snapshot-query.ts

@@ -0,0 +1,34 @@
+import type { AgentProvider } from "@server/server/agent/agent-sdk-types";
+
+export const PROVIDERS_SNAPSHOT_QUERY_ROOT = "providersSnapshot";
+
+export function normalizeProvidersSnapshotCwd(cwd?: string | null): string | null {
+  const trimmed = cwd?.trim();
+  return trimmed ? trimmed : null;
+}
+
+export function providersSnapshotQueryRoot(serverId: string | null) {
+  return [PROVIDERS_SNAPSHOT_QUERY_ROOT, serverId] as const;
+}
+
+export function providersSnapshotQueryKey(serverId: string | null, cwd?: string | null) {
+  const normalizedCwd = normalizeProvidersSnapshotCwd(cwd);
+  return normalizedCwd
+    ? ([PROVIDERS_SNAPSHOT_QUERY_ROOT, serverId, "cwd", normalizedCwd] as const)
+    : ([PROVIDERS_SNAPSHOT_QUERY_ROOT, serverId, "home"] as const);
+}
+
+export function providersSnapshotRequestOptions(input: {
+  cwd?: string | null;
+  providers?: AgentProvider[];
+}) {
+  const normalizedCwd = normalizeProvidersSnapshotCwd(input.cwd);
+  return {
+    ...(normalizedCwd ? { cwd: normalizedCwd } : {}),
+    ...(input.providers ? { providers: input.providers } : {}),
+  };
+}
+
+export function isProvidersSnapshotHomeScope(cwd?: string | null): boolean {
+  return normalizeProvidersSnapshotCwd(cwd) === null;
+}