position ui and owliver update

src/lib/skills/customSkills.js

@@ -0,0 +1,78 @@
+import { parseSkill } from './registry';
+
+/**
+ * Account-authored skills, as stored.
+ *
+ * A custom skill is its Markdown source and nothing else — the same artefact a
+ * file in `src/skills/` is, read back by the same parser. These helpers exist so
+ * the Add Skill dialog and the Skills page write that list identically; two
+ * writers with two shapes would be a second skill system by accident.
+ */
+
+/** The starting definition offered to an author, in the existing format. */
+export const skillTemplate = ({ id = '', name = '', description = '', pages = [] } = {}) => `---
+id: ${id || 'my-skill'}
+name: ${name || 'My Skill'}
+description: ${description || 'What this skill helps Owliver do.'}
+pages:
+${(pages?.length ? pages : ['positions']).map((p) => `  - ${p}`).join('\n')}
+status: active
+triggers:
+  - ${(name || 'my skill').toLowerCase()}
+---
+
+# ${name || 'My Skill'}
+
+## Purpose
+
+Describe what Owliver should help with on these pages.
+
+## Capabilities
+
+- Describe one thing the skill can do.
+- Add more as needed.
+`;
+
+/** Parses a stored entry, tolerating the bare-string form. */
+const sourceOf = (entry) => (typeof entry === 'string' ? entry : entry?.raw ?? '');
+
+/**
+ * The stored list with `source` added or replaced.
+ *
+ * Matching is by skill id, so editing a skill overwrites its own entry rather
+ * than adding a near-duplicate beside it.
+ */
+export function upsertCustomSkill(existing = [], source) {
+  const skill = parseSkill(source, { custom: true });
+  const rest = existing.filter((entry) => {
+    try {
+      return parseSkill(sourceOf(entry), { custom: true }).id !== skill.id;
+    } catch {
+      return true;
+    }
+  });
+  return { skill, next: [...rest, { path: `custom/${skill.id}.md`, raw: source }] };
+}
+
+/** The stored list without the skill of this id. */
+export function removeCustomSkill(existing = [], id) {
+  return existing.filter((entry) => {
+    try {
+      return parseSkill(sourceOf(entry), { custom: true }).id !== id;
+    } catch {
+      return true;
+    }
+  });
+}
+
+/** The stored Markdown for one custom skill, or null if the account has none. */
+export function customSkillSource(existing = [], id) {
+  for (const entry of existing) {
+    try {
+      if (parseSkill(sourceOf(entry), { custom: true }).id === id) return sourceOf(entry);
+    } catch {
+      /* An unparseable entry cannot be the one being edited. */
+    }
+  }
+  return null;
+}