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chore: add CLAUDE.md and gitignore

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- Add project context file for Claude
- Ignore nix result symlink

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Torjus Håkestad
2026-02-03 17:41:33 +01:00
parent 939abc8d8e
commit 610dc7bd61
2 changed files with 24 additions and 8 deletions
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CLAUDE.md
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@@ -78,18 +78,32 @@ The first MCP server provides search and query capabilities for NixOS configurat
- Support friendly aliases: `nixos-unstable`, `nixos-24.05`, `nixos-23.11`, etc. - Support friendly aliases: `nixos-unstable`, `nixos-24.05`, `nixos-23.11`, etc.
- Can be used in place of git hashes in all tools - Can be used in place of git hashes in all tools
## Database Schema (Planned) ## Database Schema
**Tables:** **Tables:**
- `revisions` - nixpkgs git hash, date, channel name, metadata
- `options` - per revision: name, type, default, example, description 1. `revisions` - Indexed nixpkgs versions
- `declarations` - file paths where options are declared - id, git_hash (unique), channel_name, commit_date, indexed_at, option_count
- `files` - cached nixpkgs file contents for `get_file` tool
2. `options` - NixOS options with hierarchy support
- id, revision_id (FK), name, parent_path, type, default_value (JSON text), example (JSON text), description, read_only
- parent_path enables efficient "list children" queries (derived from name)
3. `declarations` - File paths where options are declared
- id, option_id (FK), file_path, line_number
4. `files` - Cached file contents
- id, revision_id (FK), file_path, extension, content
- Configurable whitelist of extensions (default: .nix, .json, .md, .txt, .toml, .yaml, .yml)
**Indexes:** **Indexes:**
- Full-text search on option names and descriptions - Full-text search: PostgreSQL (tsvector/GIN), SQLite (FTS5)
- B-tree indexes on revision + option name - B-tree on (revision_id, name) and (revision_id, parent_path)
- Namespace prefix indexes for category filtering - B-tree on (revision_id, file_path) for file lookups
**Cross-DB Compatibility:**
- JSON stored as TEXT (not JSONB) for SQLite compatibility
- Separate FTS implementations per database engine
## Repository Structure (Planned) ## Repository Structure (Planned)
@@ -168,3 +182,4 @@ labmcp/
- Nix flake must provide importable packages for other repos - Nix flake must provide importable packages for other repos
- Use `database/sql` interface for database abstraction - Use `database/sql` interface for database abstraction
- File paths in responses should use format `path/to/file.go:123` - File paths in responses should use format `path/to/file.go:123`
- **Always run `go fmt ./...` before committing Go code**