Fix agent skills autosave hydration\n\nCo-Authored-By: Paperclip <noreply@paperclip.ing>

ui/src/lib/agent-skills-state.ts

@@ -0,0 +1,29 @@
+export interface AgentSkillDraftState {
+  draft: string[];
+  lastSaved: string[];
+  hasHydratedSnapshot: boolean;
+}
+
+export interface AgentSkillSnapshotApplyResult extends AgentSkillDraftState {
+  shouldSkipAutosave: boolean;
+}
+
+export function arraysEqual(a: string[], b: string[]): boolean {
+  if (a === b) return true;
+  if (a.length !== b.length) return false;
+  return a.every((value, index) => value === b[index]);
+}
+
+export function applyAgentSkillSnapshot(
+  state: AgentSkillDraftState,
+  desiredSkills: string[],
+): AgentSkillSnapshotApplyResult {
+  const shouldReplaceDraft = !state.hasHydratedSnapshot || arraysEqual(state.draft, state.lastSaved);
+
+  return {
+    draft: shouldReplaceDraft ? desiredSkills : state.draft,
+    lastSaved: desiredSkills,
+    hasHydratedSnapshot: true,
+    shouldSkipAutosave: shouldReplaceDraft,
+  };
+}