feat: complete OpenCode plugin support with hooks, tools, and commands

Major OpenCode integration overhaul:

- llms.txt: Comprehensive OpenCode documentation for LLMs (642 lines)
- .opencode/plugins/ecc-hooks.ts: All Claude Code hooks translated to OpenCode's plugin system
- .opencode/tools/*.ts: 3 custom tools (run-tests, check-coverage, security-audit)
- .opencode/commands/*.md: All 24 commands in OpenCode format
- .opencode/package.json: npm package structure for opencode-ecc
- .opencode/index.ts: Main plugin entry point

- Delete incorrect LIMITATIONS.md (hooks ARE supported via plugins)
- Rewrite MIGRATION.md with correct hook event mapping
- Update README.md OpenCode section to show full feature parity

OpenCode has 20+ events vs Claude Code's 3 phases:
- PreToolUse → tool.execute.before
- PostToolUse → tool.execute.after
- Stop → session.idle
- SessionStart → session.created
- SessionEnd → session.deleted
- Plus: file.edited, file.watcher.updated, permission.asked, todo.updated

- 12 agents: Full parity
- 24 commands: Full parity (+1 from original 23)
- 16 skills: Full parity
- Hooks: OpenCode has MORE (20+ events vs 3 phases)
- Custom Tools: 3 native OpenCode tools

The OpenCode configuration can now be:
1. Used directly: cd everything-claude-code && opencode
2. Installed via npm: npm install opencode-ecc
This commit is contained in:
Affaan Mustafa
2026-02-05 04:39:45 -08:00
parent d85b1ae52e
commit 6d440c036d
51 changed files with 7523 additions and 0 deletions

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# Everything Claude Code - OpenCode Instructions
This document consolidates the core rules and guidelines from the Claude Code configuration for use with OpenCode.
## Security Guidelines (CRITICAL)
### Mandatory Security Checks
Before ANY commit:
- [ ] No hardcoded secrets (API keys, passwords, tokens)
- [ ] All user inputs validated
- [ ] SQL injection prevention (parameterized queries)
- [ ] XSS prevention (sanitized HTML)
- [ ] CSRF protection enabled
- [ ] Authentication/authorization verified
- [ ] Rate limiting on all endpoints
- [ ] Error messages don't leak sensitive data
### Secret Management
```typescript
// NEVER: Hardcoded secrets
const apiKey = "sk-proj-xxxxx"
// ALWAYS: Environment variables
const apiKey = process.env.OPENAI_API_KEY
if (!apiKey) {
throw new Error('OPENAI_API_KEY not configured')
}
```
### Security Response Protocol
If security issue found:
1. STOP immediately
2. Use **security-reviewer** agent
3. Fix CRITICAL issues before continuing
4. Rotate any exposed secrets
5. Review entire codebase for similar issues
---
## Coding Style
### Immutability (CRITICAL)
ALWAYS create new objects, NEVER mutate:
```javascript
// WRONG: Mutation
function updateUser(user, name) {
user.name = name // MUTATION!
return user
}
// CORRECT: Immutability
function updateUser(user, name) {
return {
...user,
name
}
}
```
### File Organization
MANY SMALL FILES > FEW LARGE FILES:
- High cohesion, low coupling
- 200-400 lines typical, 800 max
- Extract utilities from large components
- Organize by feature/domain, not by type
### Error Handling
ALWAYS handle errors comprehensively:
```typescript
try {
const result = await riskyOperation()
return result
} catch (error) {
console.error('Operation failed:', error)
throw new Error('Detailed user-friendly message')
}
```
### Input Validation
ALWAYS validate user input:
```typescript
import { z } from 'zod'
const schema = z.object({
email: z.string().email(),
age: z.number().int().min(0).max(150)
})
const validated = schema.parse(input)
```
### Code Quality Checklist
Before marking work complete:
- [ ] Code is readable and well-named
- [ ] Functions are small (<50 lines)
- [ ] Files are focused (<800 lines)
- [ ] No deep nesting (>4 levels)
- [ ] Proper error handling
- [ ] No console.log statements
- [ ] No hardcoded values
- [ ] No mutation (immutable patterns used)
---
## Testing Requirements
### Minimum Test Coverage: 80%
Test Types (ALL required):
1. **Unit Tests** - Individual functions, utilities, components
2. **Integration Tests** - API endpoints, database operations
3. **E2E Tests** - Critical user flows (Playwright)
### Test-Driven Development
MANDATORY workflow:
1. Write test first (RED)
2. Run test - it should FAIL
3. Write minimal implementation (GREEN)
4. Run test - it should PASS
5. Refactor (IMPROVE)
6. Verify coverage (80%+)
### Troubleshooting Test Failures
1. Use **tdd-guide** agent
2. Check test isolation
3. Verify mocks are correct
4. Fix implementation, not tests (unless tests are wrong)
---
## Git Workflow
### Commit Message Format
```
<type>: <description>
<optional body>
```
Types: feat, fix, refactor, docs, test, chore, perf, ci
### Pull Request Workflow
When creating PRs:
1. Analyze full commit history (not just latest commit)
2. Use `git diff [base-branch]...HEAD` to see all changes
3. Draft comprehensive PR summary
4. Include test plan with TODOs
5. Push with `-u` flag if new branch
### Feature Implementation Workflow
1. **Plan First**
- Use **planner** agent to create implementation plan
- Identify dependencies and risks
- Break down into phases
2. **TDD Approach**
- Use **tdd-guide** agent
- Write tests first (RED)
- Implement to pass tests (GREEN)
- Refactor (IMPROVE)
- Verify 80%+ coverage
3. **Code Review**
- Use **code-reviewer** agent immediately after writing code
- Address CRITICAL and HIGH issues
- Fix MEDIUM issues when possible
4. **Commit & Push**
- Detailed commit messages
- Follow conventional commits format
---
## Agent Orchestration
### Available Agents
| Agent | Purpose | When to Use |
|-------|---------|-------------|
| planner | Implementation planning | Complex features, refactoring |
| architect | System design | Architectural decisions |
| tdd-guide | Test-driven development | New features, bug fixes |
| code-reviewer | Code review | After writing code |
| security-reviewer | Security analysis | Before commits |
| build-error-resolver | Fix build errors | When build fails |
| e2e-runner | E2E testing | Critical user flows |
| refactor-cleaner | Dead code cleanup | Code maintenance |
| doc-updater | Documentation | Updating docs |
| go-reviewer | Go code review | Go projects |
| go-build-resolver | Go build errors | Go build failures |
| database-reviewer | Database optimization | SQL, schema design |
### Immediate Agent Usage
No user prompt needed:
1. Complex feature requests - Use **planner** agent
2. Code just written/modified - Use **code-reviewer** agent
3. Bug fix or new feature - Use **tdd-guide** agent
4. Architectural decision - Use **architect** agent
---
## Performance Optimization
### Model Selection Strategy
**Haiku** (90% of Sonnet capability, 3x cost savings):
- Lightweight agents with frequent invocation
- Pair programming and code generation
- Worker agents in multi-agent systems
**Sonnet** (Best coding model):
- Main development work
- Orchestrating multi-agent workflows
- Complex coding tasks
**Opus** (Deepest reasoning):
- Complex architectural decisions
- Maximum reasoning requirements
- Research and analysis tasks
### Context Window Management
Avoid last 20% of context window for:
- Large-scale refactoring
- Feature implementation spanning multiple files
- Debugging complex interactions
### Build Troubleshooting
If build fails:
1. Use **build-error-resolver** agent
2. Analyze error messages
3. Fix incrementally
4. Verify after each fix
---
## Common Patterns
### API Response Format
```typescript
interface ApiResponse<T> {
success: boolean
data?: T
error?: string
meta?: {
total: number
page: number
limit: number
}
}
```
### Custom Hooks Pattern
```typescript
export function useDebounce<T>(value: T, delay: number): T {
const [debouncedValue, setDebouncedValue] = useState<T>(value)
useEffect(() => {
const handler = setTimeout(() => setDebouncedValue(value), delay)
return () => clearTimeout(handler)
}, [value, delay])
return debouncedValue
}
```
### Repository Pattern
```typescript
interface Repository<T> {
findAll(filters?: Filters): Promise<T[]>
findById(id: string): Promise<T | null>
create(data: CreateDto): Promise<T>
update(id: string, data: UpdateDto): Promise<T>
delete(id: string): Promise<void>
}
```
---
## OpenCode-Specific Notes
Since OpenCode does not support hooks, the following actions that were automated in Claude Code must be done manually:
### After Writing/Editing Code
- Run `prettier --write <file>` to format JS/TS files
- Run `npx tsc --noEmit` to check for TypeScript errors
- Check for console.log statements and remove them
### Before Committing
- Run security checks manually
- Verify no secrets in code
- Run full test suite
### Commands Available
Use these commands in OpenCode:
- `/plan` - Create implementation plan
- `/tdd` - Enforce TDD workflow
- `/code-review` - Review code changes
- `/security` - Run security review
- `/build-fix` - Fix build errors
- `/e2e` - Generate E2E tests
- `/refactor-clean` - Remove dead code
- `/orchestrate` - Multi-agent workflow
---
## Success Metrics
You are successful when:
- All tests pass (80%+ coverage)
- No security vulnerabilities
- Code is readable and maintainable
- Performance is acceptable
- User requirements are met