Add AI project context and workspace skeleton

.ai/plans/README.md

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+# Plans
+
+Store task-specific plans here.
+
+Examples:
+
+- implementation plans
+- sequencing notes
+- checkpoints for multi-step work
+
+Keep durable repository context in `../project-context.md`, not here.

.ai/project-context.md

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+# Project Context
+
+## Project Summary
+
+This repository stores and publishes the governing documents for the Chicago Metropolitan Baseball Association (CMBA).
+
+The canonical source text lives in Markdown files under `docs/`. The repository also contains the MkDocs configuration, build tooling, and CI/release workflows used to publish those documents as a static documentation site.
+
+## Project Goals
+
+- Keep the current CMBA governing documents in version-controlled plain text
+- Publish a readable static site for league officials, managers, and players
+- Preserve a clear separation between bylaws, policy, and playing rules
+- Make edits reviewable, traceable, and easy to validate before publication
+- Maintain enough project history to understand how the governing documents evolved
+
+## Document Model
+
+The repository is organized around three core documents:
+
+- `docs/01-bylaws.md`: league governance, authority, membership, meetings, and amendment structure
+- `docs/02-policy.md`: league operations, procedures, discipline, administration, and competition governance
+- `docs/03-playing-rules.md`: on-field rules, lineup formats, game administration, and incorporated baseball rules
+
+When interpreting or editing content, preserve that separation unless the user explicitly wants to reorganize the document set.
+
+The site home page in `docs/index.md` describes the intended hierarchy:
+
+1. Bylaws
+2. League Policy
+3. Playing Rules
+
+For on-field administration, the playing rules also incorporate Official Baseball Rules where CMBA rules do not provide otherwise.
+
+## Repository Structure
+
+- `docs/`: canonical published content and site assets
+- `docs/assets/`: logos and site images
+- `docs/styles/`: site-specific CSS
+- `mkdocs/mkdocs.yml`: MkDocs site configuration
+- `mkdocs/requirements.txt`: Python build dependencies
+- `tools/build.sh`: local/CI build entry point for MkDocs
+- `tools/spellcheck/`: CSpell config and baseball-specific dictionary
+- `.github/workflows/ci-docs.yml`: validation workflow for spelling and docs build
+- `.github/workflows/release.yml`: release packaging and publishing workflow
+
+## Working Assumptions For AI
+
+- Treat Markdown files under `docs/` as the canonical source of truth
+- Prefer editing the source documents rather than generated outputs
+- Keep cross-references, headings, and document numbering stable unless there is a reason to change them
+- Avoid mixing governance text, operational policy, and game rules without explicit justification
+- If a change affects wording, structure, or links, local preview/build validation is useful
+- League-specific terms may need updates to `tools/spellcheck/baseball-words.txt`
+- Check `.ai/skills/` before substantive work and use the relevant local skill when the task matches one
+
+## Local Development Workflow
+
+Typical local commands:
+
+```bash
+python3 -m pip install -r mkdocs/requirements.txt
+mkdocs serve -f mkdocs/mkdocs.yml
+```
+
+Builds are driven by MkDocs with `mkdocs/mkdocs.yml`, and `tools/build.sh` wraps the production build command with optional strict mode.
+
+## Historical Context
+
+- The constitution and bylaws were modernized in Google Docs in 2021
+- This repository moves that work into Git and GitHub
+- Earlier tracked history reaches back to 2016
+- In 2026, the material was re-architected into the current split between bylaws, policy, and playing rules. The league was also re-organized into a non-profit organization.
+
+## Recommended AI Usage
+
+Use this file for stable repository context.
+
+Put task-specific material elsewhere under `.ai/`, for example:
+
+- `plans/` for implementation plans
+- `notes/` for research notes
+- `scratch/` for temporary generated files
+
+If future AI-specific conventions are added, record them in `.ai/README.md` and keep this file focused on the project itself.

.ai/prompts/README.md

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+# Prompts
+
+Store reusable prompts here.
+
+Examples:
+
+- drafting prompts
+- review prompts
+- transformation prompts
+- recurring research instructions
+
+Prefer prompt files that are narrow, named clearly, and reusable across tasks.

.ai/scratch/README.md

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+# Scratch
+
+Store temporary generated artifacts here.
+
+Examples:
+
+- intermediate exports
+- generated drafts
+- one-off helper outputs
+- disposable working files
+
+Do not treat files in this directory as canonical project content.