fix(cron): normalize skill-filter snapshots and split isolated run helpers

src/cron/isolated-agent/skills-snapshot.ts

@@ -0,0 +1,37 @@
+import type { OpenClawConfig } from "../../config/config.js";
+import { resolveAgentSkillsFilter } from "../../agents/agent-scope.js";
+import { buildWorkspaceSkillSnapshot, type SkillSnapshot } from "../../agents/skills.js";
+import { matchesSkillFilter } from "../../agents/skills/filter.js";
+import { getSkillsSnapshotVersion } from "../../agents/skills/refresh.js";
+import { getRemoteSkillEligibility } from "../../infra/skills-remote.js";
+
+export function resolveCronSkillsSnapshot(params: {
+  workspaceDir: string;
+  config: OpenClawConfig;
+  agentId: string;
+  existingSnapshot?: SkillSnapshot;
+  isFastTestEnv: boolean;
+}): SkillSnapshot {
+  if (params.isFastTestEnv) {
+    // Fast unit-test mode skips filesystem scans and snapshot refresh writes.
+    return params.existingSnapshot ?? { prompt: "", skills: [] };
+  }
+
+  const snapshotVersion = getSkillsSnapshotVersion(params.workspaceDir);
+  const skillFilter = resolveAgentSkillsFilter(params.config, params.agentId);
+  const existingSnapshot = params.existingSnapshot;
+  const shouldRefresh =
+    !existingSnapshot ||
+    existingSnapshot.version !== snapshotVersion ||
+    !matchesSkillFilter(existingSnapshot.skillFilter, skillFilter);
+  if (!shouldRefresh) {
+    return existingSnapshot;
+  }
+
+  return buildWorkspaceSkillSnapshot(params.workspaceDir, {
+    config: params.config,
+    skillFilter,
+    eligibility: { remote: getRemoteSkillEligibility() },
+    snapshotVersion,
+  });
+}