686393dae3
Accepts SKILL.md files without YAML frontmatter by using the first Markdown H1 heading as the skill name. This lets compatible plain Markdown skill files show up instead of being skipped with parse warnings.\n\nI added a small maintainer test commit to keep the command tests hermetic and cover both the plain-heading fallback and missing-heading warning path.\n\nVerification:\n- cargo test -p deepseek-tui skills --all-features\n- cargo fmt --all -- --check\n- git diff --check xieshutao/main...HEAD\n- cargo clippy -p deepseek-tui --all-targets --all-features -- -D warnings\n- GitGuardian Security Checks passed