feat(workflow): Add workflow plugin v1.0.0

Git workflow, code quality, context management and testing commands:
- commit, push, pr, issue - git operations
- simplify, refactor, verify, check - code quality
- catchup, onboard, save, cleanup - context management
- test, format, sync - development utilities

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/workflow/templates/commit-message.md

@@ -0,0 +1,93 @@
+# Commit Message Template
+
+## Format
+
+```
+<type>(<scope>): <description>
+
+[optional body]
+
+[optional footer]
+
+Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+```
+
+## Types
+
+| Type | Description | Emoji |
+|------|-------------|-------|
+| `feat` | New feature | n/a |
+| `fix` | Bug fix | n/a |
+| `docs` | Documentation only | n/a |
+| `style` | Formatting, missing semicolons | n/a |
+| `refactor` | Code change that neither fixes a bug nor adds a feature | n/a |
+| `perf` | Performance improvement | n/a |
+| `test` | Adding missing tests | n/a |
+| `chore` | Maintenance tasks | n/a |
+| `ci` | CI configuration | n/a |
+| `build` | Build system or dependencies | n/a |
+| `revert` | Reverts a previous commit | n/a |
+
+## Scope
+
+The scope is optional and should be the affected area:
+- `auth` - Authentication
+- `api` - API routes
+- `ui` - User interface
+- `db` - Database
+- `config` - Configuration
+- etc.
+
+## Description Rules
+
+1. Use imperative mood: "add" not "added" or "adds"
+2. Lowercase first letter
+3. No period at the end
+4. Max 50 characters
+
+## Body Rules
+
+1. Separated from subject by a blank line
+2. Explain "why" not "what"
+3. Wrap at 72 characters
+
+## Footer Rules
+
+Used for:
+- `BREAKING CHANGE: description` - Breaking changes
+- `Closes #123` - Issue references
+- `Refs #456` - Related issues
+
+## Examples
+
+### Simple fix
+```
+fix(auth): resolve token refresh race condition
+
+Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+```
+
+### Feature with body
+```
+feat(api): add user preferences endpoint
+
+Allows users to save and retrieve their app preferences.
+Includes validation for preference keys and values.
+
+Closes #42
+
+Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+```
+
+### Breaking change
+```
+refactor(api)!: change response format for /users endpoint
+
+BREAKING CHANGE: The /users endpoint now returns an object with
+a `data` array instead of a direct array.
+
+Before: [{ id: 1 }, { id: 2 }]
+After: { data: [{ id: 1 }, { id: 2 }], meta: { total: 2 } }
+
+Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+```