Self-contained agentic development harness for Claude Code — one command runs the full feature pipeline (plan → execute → double review) with security gates baked in.
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Expert Angular code reviewer specializing in change detection, RxJS/subscription hygiene, signals, standalone components, dependency injection, and template security. Use for any change touching Angular components, services, or templates. MUST BE USED for Angular projects.
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Software architecture specialist for system design, scalability, and technical decision-making. Use PROACTIVELY when planning new features, refactoring large systems, or making architectural decisions.
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Designs feature architectures by analyzing existing codebase patterns and conventions, then providing implementation blueprints with concrete files, interfaces, data flow, and build order.
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Expert code review specialist. Proactively reviews code for quality, security, and maintainability. Use immediately after writing or modifying code. MUST BE USED for all code changes.
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Expert C# code reviewer specializing in .NET conventions, async patterns, security, nullable reference types, and performance. Use for all C# code changes. MUST BE USED for C# projects.
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PostgreSQL database specialist for query optimization, schema design, security, and performance. Use PROACTIVELY when writing SQL, creating migrations, designing schemas, or troubleshooting database performance. Incorporates Supabase best practices.
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Database bottleneck specialist for the Hydraia pipeline. Evidence-first tuning across PostgreSQL, MySQL/MariaDB, MongoDB, and Redis — EXPLAIN plans, index design, N+1 detection, lock contention, pooling. Dispatched by the perf/DB route at design time. Read-only; proposes changes as plan tasks. NOT a Phase 5 reviewer…
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DevOps specialist for the Hydraia pipeline. Authors CI/CD workflows, Dockerfiles/compose, and IaC following the repo's existing platform. Deploy steps, secrets, and destructive infra are written as human-approval plan tasks — never executed by the agent. Opt-in via /hydraia:devops.
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Documentation specialist for the Hydraia pipeline. Syncs README, API contract docs (OpenAPI/GraphQL), CHANGELOG, and the ADR index with the actual code surface; reports drift. Runs in Phase 6 (updates, never blocks) and on demand via /hydraia:docs. Never invents API behavior.
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End-to-end testing specialist for the Hydraia pipeline. Detects the repo's E2E framework (Playwright/Cypress) from evidence, derives critical user journeys from acceptance criteria, writes and runs them, quarantines flaky specs. Phase 6 gate — a failing critical flow means the run is not done. Never installs a…
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Expert Go code reviewer specializing in idiomatic Go, error handling, concurrency (goroutines/channels/context), interface design, and performance. Use for all Go code changes. MUST BE USED for Go projects.
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Executes a single task from a Hydraia implementation plan. Dispatched fresh per task during Phase 4. Writes code, tests it, commits. Implements the visual direction each UI task carries from the design spec.
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Whole-branch code reviewer for Hydraia Phase 5, pass 1. Reviews spec compliance, correctness, quality, and hidden coupling. Runs on Opus for maximum rigor.
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Expert Java code reviewer for Spring Boot and Quarkus projects. Automatically detects the framework and applies the appropriate review rules. Covers layered architecture, JPA/Panache, MongoDB, security, and concurrency. MUST BE USED for all Java code changes.
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Performance diagnosis specialist for the Hydraia pipeline. Measurement-first — establishes a baseline, profiles, ranks bottlenecks by measured contribution, and proposes hypotheses with expected gains. Dispatched by the performance route at design time. Read-only; never edits source. NOT a Phase 5 reviewer (that is…
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Performance analysis and optimization specialist. Use PROACTIVELY for identifying bottlenecks, optimizing slow code, reducing bundle sizes, and improving runtime performance. Profiling, memory leaks, render optimization, and algorithmic improvements.
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Expert Python code reviewer specializing in PEP 8 compliance, Pythonic idioms, type hints, security, and performance. Use for all Python code changes. MUST BE USED for Python projects.
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QA automation specialist for the Hydraia pipeline. Implements Given/When/Then cases from a QA case document as real tests in the repo's existing test framework and fills the traceability matrix with file:line refs (Phase 4). Verify mode re-checks full matrix coverage (Phase 6).
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Functional QA specialist for the Hydraia pipeline. Derives Given/When/Then test cases and a requirement-traceability matrix from a design spec and story artifact. Dispatched during Phase 3 in parallel with plan writing. Never invents behavior — spec gaps are reported, not guessed.
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Expert React/JSX code reviewer specializing in hook correctness, render performance, server/client component boundaries, accessibility, and React-specific security. Use for any change touching .tsx/.jsx files or React component logic. MUST BE USED for React projects.
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Security vulnerability detection and remediation specialist. Use PROACTIVELY after writing code that handles user input, authentication, API endpoints, or sensitive data. Flags secrets, SSRF, injection, unsafe crypto, and OWASP Top 10 vulnerabilities.
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Review code for silent failures, swallowed errors, bad fallbacks, and missing error propagation.
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Observability specialist for the Hydraia pipeline. Instruments structured logging, metrics (RED/USE), traces (OpenTelemetry), health checks, and alert rules as plan tasks. Vendor-agnostic — OTel first, vendor SDKs only if already present. Never logs secrets or PII. Opt-in via /hydraia:observability.
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Analyze type design for encapsulation, invariant expression, usefulness, and enforcement.