From 69074ba119908b6107dd27a267d13186e25092af Mon Sep 17 00:00:00 2001 From: Clotho Date: Fri, 20 Feb 2026 02:49:52 +0000 Subject: [PATCH] docs: add Phase 0 environment assessment and findings Complete initial assessment of core-agentic package: - Document dependency constraints (host-uk/core blocks testing) - Review event-driven architecture and MCP tools structure - Analyze AI provider system and security hardening - Identify test coverage (~65%) and gaps - Document architectural patterns and SOLID compliance - Create comprehensive FINDINGS.md with recommendations Key findings: - Well-structured codebase with good test coverage - Recent security improvements (Argon2id, workspace scoping) - Cannot run tests without private host-uk/core dependency - Some P1 security items outstanding (rate limiting, validation) Refs #1 Co-Authored-By: Clotho --- FINDINGS.md | 592 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 592 insertions(+) create mode 100644 FINDINGS.md diff --git a/FINDINGS.md b/FINDINGS.md new file mode 100644 index 0000000..6185822 --- /dev/null +++ b/FINDINGS.md @@ -0,0 +1,592 @@ +# Phase 0: Environment Assessment + Test Baseline + +**Date:** 2026-02-20 +**Branch:** feat/phase-0-assessment +**Issue:** #1 +**Agent:** Clotho + +--- + +## Executive Summary + +This phase 0 assessment provides a comprehensive baseline of the `host-uk/core-agentic` Laravel package. The package implements AI agent orchestration with MCP (Model Context Protocol) tools, multi-agent collaboration, and unified AI provider access. + +**Key Findings:** +- ✅ Well-structured event-driven architecture +- ✅ Comprehensive test coverage (~65%) with Pest framework +- ✅ Security-conscious design with recent hardening (Jan 2026) +- ⚠️ Cannot run tests without `host-uk/core` dependency +- ⚠️ Some code quality issues identified in existing TODO.md +- ✅ Excellent documentation and conventions + +--- + +## 1. Environment Assessment + +### 1.1 Dependency Constraints + +**Status:** ⚠️ BLOCKED - Cannot install dependencies + +```bash +$ composer install --no-interaction +# Error: host-uk/core dev-main could not be found +``` + +**Root Cause:** +- Package depends on `host-uk/core` (dev-main) which is a private dependency +- No composer.lock file present +- Missing repository configuration for private packages + +**Impact:** +- Cannot run test suite (`composer test` / `vendor/bin/pest`) +- Cannot run linter (`composer run lint` / `vendor/bin/pint`) +- Cannot run static analysis (`vendor/bin/phpstan`) + +**Recommendation:** +- Add repository configuration to composer.json for host-uk/core +- OR provide mock/stub for testing in isolation +- OR test within a full host application environment + +### 1.2 Codebase Metrics + +| Metric | Count | +|--------|-------| +| Total PHP files | 125 | +| Models | 9 | +| Services | 15 | +| MCP Tools | 34 | +| Migrations | 3 | +| Tests | 15+ test files | +| Console Commands | 3 | +| Livewire Components | 9 | + +### 1.3 Test Infrastructure + +**Framework:** Pest 3.x (functional syntax) + +**Configuration:** +- `tests/Pest.php` - Central configuration +- `tests/TestCase.php` - Orchestra Testbench base class +- RefreshDatabase trait applied to Feature tests + +**Test Coverage Breakdown (from TODO.md):** +``` +Current: ~65% (improved from ~35% in Jan 2026) + +✅ Models: Well tested + - AgentPlan, AgentPhase, AgentSession, AgentApiKey + +✅ Services: Partially tested + - AgentApiKeyService (58 tests) + - IpRestrictionService (78 tests) + - PlanTemplateService (47 tests) + - AI Providers: ClaudeService, GeminiService, OpenAIService, AgenticManager + +❌ Untested: + - 3 Console Commands + - 9 Livewire Components + - Some MCP Tools +``` + +**Test Files:** +``` +tests/ +├── Feature/ +│ ├── AgentApiKeyTest.php (70+ tests) +│ ├── AgentApiKeyServiceTest.php (58 tests) +│ ├── IpRestrictionServiceTest.php (78 tests) +│ ├── PlanTemplateServiceTest.php (47 tests) +│ ├── ContentServiceTest.php +│ ├── AgentPlanTest.php +│ ├── AgentPhaseTest.php +│ ├── AgentSessionTest.php +│ └── SecurityTest.php +├── Unit/ +│ ├── ClaudeServiceTest.php +│ ├── GeminiServiceTest.php +│ ├── OpenAIServiceTest.php +│ └── AgenticManagerTest.php +└── UseCase/ + └── AdminPanelBasic.php +``` + +--- + +## 2. Architecture Review + +### 2.1 Boot System (Event-Driven) + +**Pattern:** Event-driven lazy loading via Laravel service provider + +```php +// Boot.php - Responds to Core framework events +public static array $listens = [ + AdminPanelBooting::class => 'onAdminPanel', + ConsoleBooting::class => 'onConsole', + McpToolsRegistering::class => 'onMcpTools', +]; +``` + +**Strengths:** +- ✅ Lazy loading reduces unnecessary overhead +- ✅ Clean separation of concerns +- ✅ Follows Laravel conventions +- ✅ Event handlers are well-documented + +**Rate Limiting:** +- Configured in Boot::configureRateLimiting() +- 60 requests/minute per IP for agentic-api +- Separate API key-based rate limiting in AgentApiKey model + +### 2.2 MCP Tools Architecture + +**Location:** `Mcp/Tools/Agent/` organised by domain + +**Structure:** +``` +Mcp/Tools/Agent/ +├── AgentTool.php (Base class) +├── Contracts/ +│ └── AgentToolInterface.php +├── Plan/ (5 tools) +├── Phase/ (3 tools) +├── Session/ (9 tools) +├── State/ (3 tools) +├── Task/ (2 tools) +├── Content/ (8 tools) +└── Template/ (3 tools) +``` + +**Base Class Features (AgentTool):** +- Input validation helpers (requireString, optionalInt, requireEnum) +- Circuit breaker protection via withCircuitBreaker() +- Standardised response format (success(), error()) + +**Design Pattern:** +```php +abstract class AgentTool implements AgentToolInterface +{ + protected function requireString(array $input, string $key): string; + protected function optionalInt(array $input, string $key, ?int $default = null): ?int; + protected function requireEnum(array $input, string $key, array $allowed): string; + protected function withCircuitBreaker(callable $callback); + protected function success(array $data): array; + protected function error(string $message, int $code = 400): array; +} +``` + +**Strengths:** +- ✅ Clean abstraction with consistent interface +- ✅ Built-in validation helpers +- ✅ Circuit breaker for resilience +- ✅ Domain-driven organisation + +**Potential Issues:** +- ⚠️ No per-tool rate limiting (noted in TODO.md SEC-004) +- ⚠️ Workspace scoping added recently (SEC-003 - Jan 2026) + +### 2.3 AI Provider System + +**Manager:** `AgenticManager` (singleton) + +**Supported Providers:** +1. Claude (Anthropic) - `ClaudeService` +2. Gemini (Google) - `GeminiService` +3. OpenAI - `OpenAIService` + +**Usage Pattern:** +```php +$ai = app(AgenticManager::class); +$ai->claude()->generate($prompt); +$ai->gemini()->generate($prompt); +$ai->openai()->generate($prompt); +$ai->provider('gemini')->generate($prompt); +``` + +**Shared Concerns (Traits):** +- `HasRetry` - Automatic retry with exponential backoff +- `HasStreamParsing` - Server-sent events (SSE) parsing + +**Strengths:** +- ✅ Clean provider abstraction +- ✅ Consistent interface across providers +- ✅ Built-in retry logic +- ✅ Streaming support + +**Identified Issues (from TODO.md):** +- ⚠️ DX-002: No API key validation on init (provider fails on first use) +- ⚠️ ERR-001: ClaudeService stream() lacks error handling + +### 2.4 Data Model Design + +**Core Models:** + +| Model | Purpose | Relationships | +|-------|---------|---------------| +| `AgentPlan` | Work plans with phases | hasMany AgentPhase, hasMany AgentSession | +| `AgentPhase` | Plan phases with tasks | belongsTo AgentPlan, hasMany Task | +| `AgentSession` | Agent execution sessions | belongsTo AgentPlan, has work_log JSON | +| `AgentApiKey` | API key management | belongsTo Workspace, has permissions array | +| `WorkspaceState` | Key-value state storage | belongsTo Workspace | +| `AgentWorkspaceState` | (Duplicate?) | - | + +**Schema Features:** +- Status enums: `pending`, `in_progress`, `completed`, `failed`, `abandoned` +- JSON columns: work_log, context, permissions, metadata +- Soft deletes on plans and sessions +- Timestamps on all models + +**Identified Issues:** +- ⚠️ CQ-001: Duplicate state models (WorkspaceState vs AgentWorkspaceState) +- ⚠️ DB-002: Missing indexes on frequently queried columns (slug, session_id, key) +- ⚠️ PERF-001: AgentPhase::checkDependencies does N queries + +### 2.5 Security Architecture + +**Recent Hardening (January 2026):** + +✅ **SEC-001:** API key hashing upgraded from SHA-256 to Argon2id +- Before: `hash('sha256', $key)` (vulnerable to rainbow tables) +- After: `password_hash($key, PASSWORD_ARGON2ID)` with unique salts +- Side effect: `findByKey()` now iterates active keys (no direct lookup) + +✅ **SEC-002:** SQL injection fixed in orderByRaw patterns +- Before: `orderByRaw("FIELD(priority, ...)")` +- After: Parameterised `orderByPriority()` and `orderByStatus()` scopes + +✅ **SEC-003:** Workspace scoping added to state tools +- Added `forWorkspace()` scoping to StateSet, StateGet, StateList, PlanGet, PlanList +- Prevents cross-tenant data access + +**Outstanding Security Items:** +- ❌ SEC-004: Missing per-tool rate limiting (P1) +- ❌ VAL-001: Template variable injection vulnerability (P1) + +**Middleware:** +- `AuthenticateAgent` - API key authentication +- IP whitelist checking via `IpRestrictionService` +- Rate limiting per API key + +--- + +## 3. Code Quality Analysis + +### 3.1 Conventions Compliance + +✅ **Excellent:** +- UK English throughout (colour, organisation, centre) +- `declare(strict_types=1);` in all PHP files +- Type hints on all parameters and return types +- PSR-12 coding style +- Pest framework for testing +- Conventional commit messages + +### 3.2 Documentation Quality + +✅ **Very Good:** +- Comprehensive CLAUDE.md with clear guidance +- Well-maintained TODO.md with priority system (P1-P6) +- PHPDoc comments on most methods +- README.md with usage examples +- AGENTS.md for agent-specific instructions +- Changelog tracking (cliff.toml for git-cliff) + +### 3.3 Known Issues (from TODO.md) + +**Priority 1 (Critical):** +- [ ] SEC-004: Missing per-tool rate limiting +- [ ] VAL-001: Template variable injection vulnerability + +**Priority 2 (High):** +- [x] TEST-001 to TEST-005: Test coverage (COMPLETED Jan 2026) +- [x] DB-001: Missing agent_plans migration (COMPLETED Jan 2026) +- [ ] DB-002: Missing indexes on frequently queried columns +- [ ] ERR-001: ClaudeService stream() error handling +- [ ] ERR-002: ContentService batch failure recovery + +**Priority 3 (Medium):** +- [ ] DX-001: Unclear workspace context error messages +- [ ] DX-002: AgenticManager no API key validation on init +- [ ] DX-003: Plan template variable errors not actionable +- [ ] CQ-001: Duplicate state models +- [ ] CQ-002: ApiKeyManager uses wrong model +- [ ] CQ-003: Cache key not namespaced +- [ ] PERF-001: N+1 queries in checkDependencies +- [ ] PERF-002: O(n) filter on every request + +**Lower Priority:** P4-P6 items documented but not critical + +--- + +## 4. Migration Status + +### 4.1 Existing Migrations + +``` +Migrations/ +├── 0001_01_01_000001_create_agentic_tables.php +│ Creates: agent_sessions, agent_api_keys, prompts, prompt_versions, tasks +│ +├── 0001_01_01_000002_add_ip_whitelist_to_agent_api_keys.php +│ Adds: ip_whitelist column (JSON) +│ +└── 0001_01_01_000003_create_agent_plans_tables.php + Creates: agent_plans, agent_phases, agent_workspace_states + Updates: agent_sessions with agent_plan_id FK +``` + +### 4.2 Idempotency + +**Status:** ✅ Recent fix (commit cda896e) + +From git log: +``` +cda896e fix(migrations): make idempotent and align schemas with models +``` + +This suggests migrations have been fixed to be safely re-runnable. + +--- + +## 5. Testing Strategy (When Dependencies Resolved) + +### 5.1 Recommended Test Execution Order + +Once `host-uk/core` dependency is resolved: + +```bash +# 1. Install dependencies +composer install --no-interaction + +# 2. Run linter +vendor/bin/pint --test +# OR: composer run lint + +# 3. Run tests with coverage +vendor/bin/pest --coverage +# OR: composer test + +# 4. Run static analysis (if configured) +vendor/bin/phpstan analyse --memory-limit=512M + +# 5. Check for security issues +composer audit +``` + +### 5.2 Test Gaps to Address + +**High Priority:** +1. Console commands (TaskCommand, PlanCommand, GenerateCommand) +2. Livewire components (9 admin panel components) +3. MCP tools integration tests +4. Middleware authentication flow + +**Medium Priority:** +1. ContentService batch processing +2. Session handoff and resume flows +3. Template variable substitution edge cases +4. Rate limiting behaviour + +--- + +## 6. Key Architectural Patterns + +### 6.1 Design Patterns Identified + +**1. Service Provider Pattern** +- Event-driven lazy loading via Boot.php +- Modular registration (admin, console, MCP) + +**2. Repository Pattern** +- AgentToolRegistry for tool discovery +- PlanTemplateService for template management + +**3. Strategy Pattern** +- AgenticProviderInterface for AI providers +- Different providers interchangeable via AgenticManager + +**4. Circuit Breaker Pattern** +- Built into AgentTool base class +- Protects against cascading failures + +**5. Factory Pattern** +- AgentApiKey::generate() for secure key creation +- Template-based plan creation + +### 6.2 SOLID Principles Compliance + +✅ **Single Responsibility:** Each service has clear, focused purpose + +✅ **Open/Closed:** AgentTool extensible via inheritance, closed for modification + +✅ **Liskov Substitution:** All AI providers implement AgenticProviderInterface + +✅ **Interface Segregation:** AgentToolInterface, AgenticProviderInterface are minimal + +✅ **Dependency Inversion:** Services depend on interfaces, not concrete classes + +--- + +## 7. Recommendations + +### 7.1 Immediate Actions (Phase 0 Complete) + +1. ✅ Document dependency constraints (this file) +2. ✅ Review architecture and patterns (completed) +3. ✅ Create FINDINGS.md (this file) +4. 🔄 Commit and push to feat/phase-0-assessment +5. 🔄 Comment findings on issue #1 + +### 7.2 Next Phase Priorities + +**Phase 1: Dependency Resolution** +- Add repository configuration for host-uk/core +- OR create mock/stub for isolated testing +- Verify all migrations run successfully + +**Phase 2: Test Execution** +- Run full test suite +- Document any test failures +- Check code coverage gaps + +**Phase 3: Code Quality** +- Address P1 security issues (SEC-004, VAL-001) +- Add missing indexes (DB-002) +- Fix error handling (ERR-001, ERR-002) + +**Phase 4: Documentation** +- Add PHPDoc to undocumented patterns +- Document MCP tool dependency system +- Create integration examples + +--- + +## 8. Conclusions + +### 8.1 Overall Assessment + +**Grade: B+ (Very Good)** + +**Strengths:** +- ✅ Modern, event-driven Laravel architecture +- ✅ Comprehensive test coverage for critical paths +- ✅ Security-conscious with recent hardening +- ✅ Well-documented with clear conventions +- ✅ Clean abstractions and design patterns +- ✅ Excellent TODO.md with prioritised backlog + +**Weaknesses:** +- ⚠️ Dependency on private package blocks standalone testing +- ⚠️ Some P1 security items outstanding +- ⚠️ Performance optimisations needed (N+1 queries, caching) +- ⚠️ Test coverage gaps in commands and Livewire + +**Risk Assessment:** +- **Security:** MEDIUM (P1 items need attention) +- **Maintainability:** LOW (well-structured, documented) +- **Performance:** LOW-MEDIUM (known issues documented) +- **Testability:** MEDIUM (depends on private package) + +### 8.2 Production Readiness + +**Current State:** BETA / STAGING-READY + +**Blockers for Production:** +1. SEC-004: Per-tool rate limiting +2. VAL-001: Template injection vulnerability +3. ERR-001/002: Error handling in streaming and batch processing +4. DB-002: Missing performance indexes + +**Estimate to Production-Ready:** 2-3 sprints + +--- + +## 9. Appendix + +### 9.1 File Structure Summary + +``` +core-agentic/ +├── Boot.php # Service provider + event listeners +├── composer.json # Package definition (blocked on host-uk/core) +├── config.php # MCP configuration +├── CLAUDE.md # Development guidelines +├── TODO.md # Prioritised task backlog (12,632 bytes) +├── README.md # Package documentation +├── AGENTS.md # Agent-specific instructions +│ +├── Console/Commands/ # 3 Artisan commands +│ ├── TaskCommand.php +│ ├── PlanCommand.php +│ └── GenerateCommand.php +│ +├── Controllers/ # API controllers +│ └── ForAgentsController.php +│ +├── Facades/ # Laravel facades +│ +├── Jobs/ # Queue jobs +│ +├── Mcp/ # Model Context Protocol +│ ├── Prompts/ +│ ├── Servers/ +│ └── Tools/Agent/ # 34 agent tools +│ +├── Middleware/ # Authentication +│ └── AuthenticateAgent.php +│ +├── Migrations/ # 3 database migrations +│ +├── Models/ # 9 Eloquent models +│ +├── routes/ # API and admin routes +│ +├── Service/ # Legacy namespace? +│ +├── Services/ # 15 service classes +│ ├── AgenticManager.php # AI provider coordinator +│ ├── *Service.php # Domain services +│ └── Concerns/ # Shared traits +│ +├── Support/ # Helper utilities +│ +├── tests/ # Pest test suite +│ ├── Feature/ # 9 feature tests +│ ├── Unit/ # 4 unit tests +│ ├── UseCase/ # 1 use case test +│ ├── Pest.php # Test configuration +│ └── TestCase.php # Base test class +│ +└── View/ # UI components + ├── Blade/admin/ # Admin panel views + └── Modal/Admin/ # 9 Livewire components +``` + +### 9.2 Dependencies (from composer.json) + +**Runtime:** +- PHP ^8.2 +- host-uk/core dev-main (PRIVATE - blocks installation) + +**Development:** +- laravel/pint ^1.18 (code formatting) +- orchestra/testbench ^9.0|^10.0 (testing) +- pestphp/pest ^3.0 (testing) + +**Note:** PHPStan not listed in composer.json despite TODO.md mentioning it + +### 9.3 Git Status + +``` +Branch: feat/phase-0-assessment (created from main) +Status: Clean working directory +Recent commits on main: + cda896e fix(migrations): make idempotent and align schemas with models + c439194 feat(menu): move Agentic to dedicated agents group + bf7c0d7 fix(models): add context array cast to AgentPlan +``` + +--- + +**Assessment Completed:** 2026-02-20 +**Next Action:** Commit findings and comment on issue #1 -- 2.45.3