fix: also scan .claude/skills/ for SKILL.md files

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: kulvirgit

packages/opencode/src/skill/discover-external.ts

@@ -24,6 +24,7 @@ interface ExternalSkillSource {
 // Within each source: project-deep → project-shallow → home. First skill with a given name wins.
 const SOURCES: ExternalSkillSource[] = [
   { tool: "claude-code", dir: ".claude", pattern: "commands/**/*.md", scope: "both", format: "command-md" },
+  { tool: "claude-code", dir: ".claude", pattern: "skills/**/SKILL.md", scope: "both", format: "skill-md" },
   { tool: "codex", dir: ".codex", pattern: "skills/**/SKILL.md", scope: "both", format: "skill-md" },
   { tool: "gemini", dir: ".gemini", pattern: "skills/**/SKILL.md", scope: "both", format: "skill-md" },
   { tool: "gemini", dir: ".gemini", pattern: "commands/**/*.toml", scope: "both", format: "command-toml" },