feat: improved the Claude Kit as a plugin

skills/session-management/references/checkpoints.md

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+# Checkpoints
+
+## Save Checkpoint
+
+```bash
+/checkpoint save [name]
+```
+
+Creates a git stash with metadata in `.claude/checkpoints/[name].json`:
+
+```json
+{
+  "name": "feature-auth",
+  "created": "2026-04-19T14:30:00Z",
+  "git_stash": "stash@{0}",
+  "files_in_context": ["src/auth/login.ts", "src/auth/token.ts"],
+  "current_task": "Implementing JWT refresh",
+  "notes": "User-provided notes"
+}
+```
+
+## List Checkpoints
+
+```bash
+/checkpoint list
+```
+
+## Restore Checkpoint
+
+```bash
+/checkpoint restore [name]
+```
+
+Applies git stash, loads metadata, summarizes restored context.
+
+## Delete Checkpoint
+
+```bash
+/checkpoint delete [name]
+```
+
+## Auto-Checkpoint Triggers
+
+Suggest checkpoints before:
+- Major refactoring
+- Context switches
+- Risky operations
+- Natural breakpoints in complex work

skills/session-management/references/indexing.md

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+# Project Indexing
+
+## Generate Index
+
+Scan the project and create `PROJECT_INDEX.md`:
+
+### Excluded Directories
+`node_modules/`, `.git/`, `__pycache__/`, `dist/`, `build/`, `.next/`, `venv/`, `.venv/`, coverage, cache
+
+### File Categories
+- **Entry Points**: Main files, index files, app entry
+- **API/Routes**: Endpoint definitions
+- **Models/Types**: Data structures, schemas
+- **Services**: Business logic
+- **Utilities**: Helper functions
+- **Tests**: Test files
+- **Configuration**: Config files, env templates
+
+### Output Format
+
+```markdown
+# Project Index: [Name]
+
+Generated: [timestamp]
+
+## Quick Navigation
+| Category | Key Files |
+|----------|-----------|
+| Entry Points | [list] |
+| API Routes | [list] |
+
+## Directory Structure
+[tree view]
+
+## Key Files
+### Entry Points
+- `[path]` - [description]
+
+## Dependencies
+### External
+- [package]: [purpose]
+
+## Architecture Notes
+[patterns observed]
+```

skills/session-management/references/loading.md

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+# Context Loading
+
+## Load Components
+
+Load specific parts of the project into context for focused work.
+
+### By Category
+
+| Category | What It Loads |
+|----------|---------------|
+| `api` | API routes and endpoints |
+| `models` | Data models and types |
+| `services` | Business logic services |
+| `utils` | Utility functions |
+| `tests` | Test files |
+| `config` | Configuration files |
+| `auth` | Authentication related |
+| `db` | Database related |
+
+### By Path
+
+```bash
+/load src/services/user.ts      # Specific file
+/load src/auth/                  # Directory
+```
+
+### Flags
+
+| Flag | Description |
+|------|-------------|
+| `--all` | Load all key components |
+| `--shallow` | Load only file summaries |
+| `--deep` | Load full file contents |
+| `--related` | Include related files |
+
+### Output
+
+```markdown
+## Loaded Context
+
+### Files Loaded (N)
+- `path/to/file.ts` - [purpose]
+
+### Key Components
+- [Component]: [description]
+
+### Ready For
+- [suggested actions based on loaded context]
+```

skills/session-management/references/status.md

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+# Status Checking
+
+## Project Status
+
+Show current project state:
+
+```bash
+git status
+git log --oneline -5
+```
+
+### Output Format
+
+```markdown
+## Project Status
+
+### Git
+- Branch: `feature/xyz`
+- Status: Clean / X modified files
+
+### Tasks
+- In Progress: X
+- Pending: Y
+- Completed: Z
+
+### Recent Commits
+1. [commit message]
+2. [commit message]
+
+### Open PRs
+- #123: [title]
+```
+
+Combines git state, TodoWrite tasks, and recent activity into a single snapshot.