docs(blog): add three articles introducing commit-check

[shenxianpeng]

Adds three blog posts to docs/blog/posts/ for the commit-check site.

Articles

1. One policy file for your Git history (introducing-commit-check.md)
   — overview of commit-check as a lightweight policy engine for Git
   metadata; one cchk.toml, enforced across CLI / pre-commit / CI; zero-config
   defaults and the enabled badge.

2. From zero-config to org-wide policy (configuring-commit-check.md)
   — configuration priority (CLI args → CCHK_* env → config file), a real
   cchk.toml, SchemaStore IDE autocompletion, CLI/env overrides,
   inherit_from for org-wide config, and pre-push force-push safety.

3. AI-native: JSON output and a Python API (ai-native-commit-check.md)
   — --format json structured output with error/suggest for agent
   self-correction, --no-banner / --compact quieter modes, and the
   commit_check.api Python interface.

All content is drawn from the current project README and cchk.toml. Each post
uses the existing blog frontmatter format (date, categories, tags, author
shenxianpeng).

🤖 Generated with Claude Code

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Generated by Claude Code

Summary by CodeRabbit

• Documentation
  • Added blog post introducing Commit Check and its policy-driven workflow.
  • Added configuration guide for setting up rules across CLI, environment variables, and cchk.toml with sharing via inheritance.
  • Added AI-native Commit Check post, including --format json structured output and an in-process Python API.
  • Updated site navigation to enable the Blog section and included blog pages in the build.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: c0a2bb82-8cc6-423a-a01b-991a3792d5b0

📥 Commits

Reviewing files that changed from the base of the PR and between 229075a and 55c119b.

📒 Files selected for processing (5)

• docs/blog/posts/ai-native-commit-check.md
• docs/blog/posts/configuring-commit-check.md
• docs/blog/posts/introducing-commit-check.md
• docs/blog/posts/myfirst.md
• docs/blog/posts/mysecond.md

📝 Walkthrough

Walkthrough

Three new blog posts are added under docs/blog/posts/: an introduction to Commit Check as a Git metadata policy engine, a configuration guide covering resolution order, cchk.toml examples, inherit_from sharing, and push safety, and an AI-native post documenting the --format json CLI mode and the commit_check.api Python interface. The mkdocs.yml is updated to enable blog navigation and build visibility.

Changes

Commit Check Blog Post Series

Layer / File(s)	Summary
Introducing Commit Check post docs/blog/posts/introducing-commit-check.md	Full introductory article with frontmatter, enforcement model overview, example commands, default vs. cchk.toml behavior, a badge snippet, and follow-up resource links.
Configuring Commit Check post docs/blog/posts/configuring-commit-check.md	Configuration guide covering CLI → env var → TOML resolution order, an annotated cchk.toml example, SchemaStore autocomplete tip, one-off CLI/env overrides, inherit_from org-wide sharing with security notes, and pre-push hook guidance.
AI-native Commit Check post docs/blog/posts/ai-native-commit-check.md	Post documenting --format json structured output with preserved exit codes, --no-banner/--compact display options, and the commit_check.api in-process Python interface (validate_message, validate_branch, validate_all).
Site build configuration mkdocs.yml	Enables "Blog" in top navigation and removes the blog/** exclusion rule, making blog posts visible in site build and navigation.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐇 Hippity-hop, three posts in a row,
From "what is this?" to configs that glow,
Then JSON and Python for AI's delight,
Each commit now checked with structured insight.
The rabbit approves — the docs look just right! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: three new blog articles introducing commit-check are added to the documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/three-articles-pr-0rjdvy

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