chore: markdownlint rule source - #11265

#!/bin/bash
set -eu
printf '%s\n' '--- candidate files ---'
git ls-files 'crates/biome_analyze/src/rule.rs' \
  'crates/biome_markdown_analyze/src/lint/nursery/use_consistent_header_level.rs' \
  '*rule*test*' '*use_consistent_header_level*'
printf '%s\n' '--- rule outline ---'
ast-grep outline crates/biome_analyze/src/rule.rs --lang rust
printf '%s\n' '--- relevant symbols and tests ---'
rg -n -C 4 'MarkdownLint|as_rule_name|to_rule_url|is_eslint_plugin|RuleSourceKind|SameLogic|heading-increment|MD001|use_consistent_header_level' \
  crates/biome_analyze crates/biome_markdown_analyze

#!/bin/bash
set -eu
printf '%s\n' '--- RuleSource implementation: declaration and formatting ---'
sed -n '95,305p' crates/biome_analyze/src/rule.rs
printf '%s\n' '--- RuleSource implementation: metadata methods ---'
sed -n '305,555p' crates/biome_analyze/src/rule.rs
printf '%s\n' '--- all repository references ---'
rg -n -C 3 'RuleSource::MarkdownLint|MarkdownLint\(|RuleSourceKind::SameLogic|sources:.*same\(\)|sources:' . \
  -g '!target' -g '!node_modules'
printf '%s\n' '--- test modules and snapshots mentioning source metadata ---'
rg -n -C 3 '#\[cfg\(test\)\]|#\[test\]|sources|rule source|RuleSource' crates/biome_analyze crates/biome_markdown_analyze \
  -g '*.rs' -g '*.snap' -g '*.json'

#!/bin/bash
set -eu
printf '%s\n' '--- test attributes in relevant files ---'
rg -n -C 2 '#\[cfg\(test\)\]|#\[test\]|mod tests|insta::' \
  crates/biome_analyze/src/rule.rs \
  crates/biome_markdown_analyze/src/lint/nursery/use_consistent_header_level.rs || true
printf '%s\n' '--- exact MarkdownLint references ---'
rg -n -C 5 'MarkdownLint' . -g '*.rs' -g '*.snap' -g '*.json' -g '*.md' \
  | rg -v 'sources:.*RuleSource::(?!MarkdownLint)' || true
printf '%s\n' '--- exact affected rule references ---'
rg -n -C 5 'useConsistentHeaderLevel|use_consistent_header_level|MD001|heading-increment' . \
  -g '*.rs' -g '*.snap' -g '*.json' -g '*.md'
printf '%s\n' '--- relevant directory files ---'
find crates/biome_analyze crates/biome_markdown_analyze -maxdepth 4 -type f \
  \( -name '*test*.rs' -o -name '*.snap' -o -name '*.json' \) | sort | \
  rg 'biome_analyze|biome_markdown_analyze|rule|markdown|header'
printf '%s\n' '--- diff summary and changed paths ---'
git diff --stat
git status --short

#!/bin/bash
set -eu
printf '%s\n' '--- exact Markdownlint references ---'
rg -n -C 3 'MarkdownLint|markdownlint' . -g '*.rs' -g '*.snap' -g '*.json' -g '*.md' || true
printf '%s\n' '--- RuleSource methods ---'
sed -n '224,305p' crates/biome_analyze/src/rule.rs
sed -n '320,545p' crates/biome_analyze/src/rule.rs
printf '%s\n' '--- all Rust test modules in biome_analyze ---'
rg -l '#\[cfg\(test\)\]|#\[test\]' crates/biome_analyze -g '*.rs' | sort
printf '%s\n' '--- metadata-related tests across the repository ---'
rg -n -C 4 'RuleMetadata|RuleMeta|sources\(\)|metadata\(\)|RuleSourceWithKind|is_inspired|to_rule_url|as_rule_name' . \
  -g '*.rs' -g '*.snap' -g '*.json' | head -n 1200

#!/bin/bash
set -eu
printf '%s\n' '--- metadata API and test usage ---'
rg -n -C 4 '::METADATA|METADATA\.sources|metadata\(\).*sources|RuleMeta for|declare_lint_rule' \
  crates xtask -g '*.rs' | head -n 1000
printf '%s\n' '--- markdown test harness ---'
sed -n '1,220p' crates/biome_markdown_analyze/tests/spec_tests.rs
sed -n '1,180p' crates/biome_markdown_analyze/tests/quick_test.rs
printf '%s\n' '--- static contract verifier ---'
python3 - <<'PY'
from pathlib import Path
import re

rule = Path("crates/biome_analyze/src/rule.rs").read_text()
affected = Path(
    "crates/biome_markdown_analyze/src/lint/nursery/use_consistent_header_level.rs"
).read_text()
all_rs = "\n".join(
    p.read_text(errors="replace")
    for p in Path(".").rglob("*.rs")
    if ".git" not in p.parts and "target" not in p.parts
)

assert 'MarkdownLint(&\'a str, &\'a str)' in rule
assert 'Self::MarkdownLint(_, _) => write!(f, "markdownlint")' in rule
assert 'Self::MarkdownLint(_, rule_name)' in rule
assert 'Self::MarkdownLint(_, _) => ""' in rule
assert 'Self::MarkdownLint(rule_id, _) => format!("https://github.com/DavidAnson/markdownlint/blob/main/doc/{rule_id}.md")' in rule
assert '| Self::MarkdownLint(_, _)' in rule
assert 'RuleSource::MarkdownLint("MD001", "heading-increment").same()' in affected
assert 'kind: RuleSourceKind::SameLogic' in rule

# No dedicated assertions or test module currently cover this new variant.
assert not re.search(r'(?s)#\[test\].{0,2000}MarkdownLint', all_rs)
print("MarkdownLint mapping and SameLogic construction are present.")
print("No dedicated MarkdownLint test assertion was found.")
PY

#!/bin/bash
set -eu

printf '%s\n' '--- relevant source ---'
sed -n '430,470p' crates/biome_analyze/src/rule.rs

printf '%s\n' '--- MarkdownLint references ---'
rg -n -C 3 'MarkdownLint|markdownlint|MD001|to_ascii_lowercase' crates/biome_analyze

printf '%s\n' '--- documentation URL status ---'
for url in \
  'https://github.com/DavidAnson/markdownlint/blob/main/doc/MD001.md' \
  'https://github.com/DavidAnson/markdownlint/blob/main/doc/md001.md'
do
  printf '%s ' "$url"
  curl -L -sS -o /dev/null -w '%{http_code}\n' "$url"
done

#!/bin/bash
set -eu

printf '%s\n' '--- MarkdownLint construction sites ---'
rg -n -C 4 'RuleSource::MarkdownLint|MarkdownLint\(' --glob '*.rs' .

printf '%s\n' '--- identifier accessors and tests ---'
sed -n '350,405p' crates/biome_analyze/src/rule.rs
rg -n -C 5 'to_rule_url|to_namespaced_rule_name|as_rule_name' crates/biome_analyze --glob '*.rs'