add choose skills function

app/analyzer.py

@@ -68,6 +68,15 @@ def select_relevant_skills(parsed: ParsedDocument, skills: list[Skill], max_skil
     return [skill for _, skill in scored[:max_skills]]
 
 
+def normalize_selected_skill_slugs(selected_slugs: list[str] | None, skills: list[Skill]) -> list[Skill]:
+    if not selected_slugs:
+        return skills
+
+    available = {skill.slug: skill for skill in skills}
+    picked = [available[slug] for slug in selected_slugs if slug in available]
+    return picked or skills
+
+
 def build_analysis_prompt(parsed: ParsedDocument, skills: list[Skill]) -> str:
     skill_sections = []
     for skill in skills: