Agent API V2 Phase 2B Setting Up Foundation And Routing Structure A Comprehensive Guide

Aug 18, 2025 by ADMIN 88 views

Hey guys! Let's dive into the setup of the foundation and routing structure for Agent API v2 Phase 2B. This is a crucial step, because without it, our agents can't reliably communicate with the v2 backend. Think of it as laying the groundwork for all the cool stuff we're going to build on top of it. This article will walk you through the problem, the proposed solution, the implementation details, acceptance criteria, and all the important considerations like security, performance, and testing. So, buckle up, and let's get started!

Problem Description

So, what's the big deal? The problem description here is pretty straightforward: Agent API v2 Phase 2B needs a solid foundation to establish the right routing structure. Without this foundational capability, agents won't be able to reliably interact with the v2 backend. And that's not good, because it means the foundation for all our other v2 services remains incomplete. Basically, we're building a house, and we need to lay the foundation before we can put up the walls. If we don't, the whole thing might come crashing down! To get the nitty-gritty details, you can check out .kiro/specs/phase-2b-agent-api-v2/tasks.md. This file is our blueprint, and it outlines everything we need to do to get this done right. This file will guide us on setting up the basic agent routing, API infrastructure, and the essential communication pathways. Imagine trying to navigate a city without roads or street signs – that's what our agents would be doing without this foundation. By tackling this problem head-on, we're ensuring smooth interactions and setting the stage for future enhancements and features. It's like building the central hub of a wheel – everything else connects to it, so it needs to be rock solid!

Proposed Solution

The proposed solution is to implement the specifications laid out in .kiro/specs/phase-2b-agent-api-v2/tasks.md. Think of this file as our treasure map, guiding us to the prize of a fully functional Agent API v2 Phase 2B. The subtasks are tracked under Implementation Details as a checklist, preserving the original completion status. This means we can keep tabs on our progress and make sure we're hitting all the milestones. It's like having a detailed recipe for a cake – if we follow each step carefully, we'll end up with a delicious result. This solution ensures that we're not just throwing code at the wall and hoping it sticks. Instead, we're following a well-defined plan, which increases our chances of success and reduces the likelihood of nasty surprises down the road. By adhering to the specifications, we're building a robust and reliable system that can handle whatever we throw at it. This systematic approach is crucial for creating a scalable and maintainable API. It's not just about getting things working; it's about getting them working well and in a way that we can easily manage and extend in the future.

Implementation Details

Let's break down the implementation details into smaller, more manageable chunks. We've got three main subtasks here, each with its own set of steps. It's like building a puzzle – each piece needs to fit perfectly for the final picture to come together.

1.1 Create v2 API router infrastructure

This first subtask is all about building the structure, the skeleton of our API. We're creating the files and directories that will house our v2 endpoints. Think of it as setting up the rooms in a house before we start decorating. The key components here are:

Create app/api/v2/router.py to organize v2 endpoints: This is the main router, the traffic controller for our API. It's responsible for directing requests to the correct endpoints. Without this, our API would be a chaotic mess, like a city without traffic lights.
Create app/api/v2/endpoints/agents.py for agent-specific endpoints: This is where we'll handle all the requests related to agents, like creating, updating, and deleting them. It's the agent's personal space within our API.
Create app/api/v2/endpoints/tasks.py for task-specific endpoints: This is where we'll manage tasks, like assigning them to agents, tracking their progress, and marking them as complete. It's the task manager of our API.
Create app/api/v2/endpoints/attacks.py for attack-specific endpoints: This is where we'll handle anything related to attacks, like launching them, monitoring them, and analyzing their results. It's the offensive powerhouse of our API.
Create app/api/v2/endpoints/resources.py for resource-specific endpoints: This is where we'll manage resources, like allocating them to agents or tasks. It's the supply depot of our API.

This subtask relies on Requirements 1.1 and 8.1, which likely specify the architectural guidelines and API design principles we need to follow. It's important to adhere to these requirements to ensure consistency and maintainability.

1.2 Set up routing and authentication

Now that we have the structure in place, we need to set up the roads and the security checkpoints. This subtask is all about making sure our API is accessible, secure, and well-documented. The key components here are:

Set up proper FastAPI routing with tags and documentation: We're using FastAPI, which is awesome because it automatically generates OpenAPI documentation for us. This means we'll have a clear and up-to-date API reference, which is crucial for developers who want to use our API. The routing ensures that requests are directed to the correct endpoints, and the tags help us organize and categorize our API endpoints.
Implement base authentication dependency for agent token validation: Security is paramount, guys! We need to make sure that only authorized agents can access our API. This means implementing an authentication mechanism that validates agent tokens. This is like having a bouncer at the door of our API, making sure only the cool kids get in.
Create error handling middleware specific to agent API: Things can go wrong, and we need to be prepared. This means implementing error handling middleware that gracefully handles errors and provides informative error messages. It's like having a safety net in case things fall apart.
Register v2 router in main.py application: We need to tell our main application about the v2 router so that it knows where to route requests. This is like adding a new street to the city map.

This subtask relies on Requirements 1.1, 8.1, and 9.1, which likely specify the authentication mechanisms, error handling strategies, and routing configurations we need to use.

1.3 Create v2 schema foundation

Schemas define the structure of our data. This subtask is all about creating the schemas for our v2 API. Think of it as defining the blueprints for the houses we're building. The key components here are:

Create app/schemas/agent_v2.py for all v2-specific schemas: This is where we'll define the schemas for agents, tasks, attacks, and resources. It's the schema central for our API.
Import necessary base types and enums from existing schemas: We don't want to reinvent the wheel, so we'll import any existing schemas that we can reuse. This is like using pre-fabricated components to speed up construction.
Set up schema structure for v2 API compatibility: We need to make sure our schemas are compatible with the v2 API. This means following the API design principles and ensuring that our schemas are consistent with the API contracts.

This subtask relies on Requirements 1.1, 1.2, and 1.3, which likely specify the schema design principles and data validation rules we need to follow. Pydantic V2 may also be a requirement here, ensuring structured validation.

Acceptance Criteria

So, how do we know when we're done? The acceptance criteria define the conditions that must be met for this phase to be considered complete. It's like having a checklist of things to verify before we can declare victory. Here's what we need to check:

All v2 router files exist and are properly organized in app/api/v2/: This verifies that we've created the file structure correctly.
Main router is registered in FastAPI application: This verifies that our API is accessible.
Basic authentication dependency is implemented: This verifies that our API is secure.
Schema foundation is established in app/schemas/agent_v2.py: This verifies that our data structures are defined correctly.
OpenAPI documentation is generated correctly for v2 endpoints: This verifies that our API is well-documented.
Error handling middleware is properly configured: This verifies that our API is resilient.
Router structure follows WARP.md patterns (service layer, async patterns): This verifies that we're following best practices.

References

We've got a few references that we should keep in mind. These are like the instruction manuals and design documents that will help us along the way:

.kiro/specs/phase-2b-agent-api-v2/tasks.md: This is our main task list, the source of truth for everything we need to do.
WARP.md (Agent API v1 immutability, service layer patterns, router organization): This document outlines the best practices and design patterns we should follow, including Agent API v1 immutability, service layer patterns, and router organization.

Affected Components

This phase impacts several components of our system. These are like the different departments that will be affected by our work:

Agent Management: This is the team responsible for managing agents, and they'll be directly impacted by our API changes.
Authentication/Authorization: This is the security team, and they'll be responsible for ensuring that our API is secure.
Core Services (app/core/services/): These are the core services that our API relies on, and they may need to be updated to work with the new API.
Documentation: We need to make sure our documentation is up-to-date so that developers can use our API effectively.

Impact Assessment

This is a non-breaking enhancement, which is great news! It means we're adding new functionality without breaking existing functionality. It's like adding a new room to a house without knocking down any walls.

Security Considerations

Security is always a top priority, guys! We need to make sure our API is secure. Here are some key considerations, following our WARP.md security posture:

JWT tokens/API keys: We'll use JWT tokens or API keys for authentication.
Structured validation with Pydantic v2: We'll use Pydantic v2 to validate our data.
No sensitive data in logs: We'll make sure not to log any sensitive data.
Proper authentication middleware: We'll use proper authentication middleware to protect our API endpoints.

Performance Impact

We want our API to be fast and efficient. Here are some things we'll keep in mind:

Follow service-layer and caching patterns (cashews) where applicable: We'll use service layers and caching to improve performance.
Ensure endpoints are async and efficient: We'll make sure our endpoints are asynchronous and efficient.
Establish foundation for monitoring in Task 15: We'll set up monitoring so we can track the performance of our API.

Testing Strategy

Testing is crucial to ensure our API works as expected. We'll use a three-tier testing strategy:

Start with just test-backend for router and auth infrastructure: We'll start by testing the core infrastructure.
Add integration and contract tests as defined in Task 14: We'll add integration and contract tests to verify that our API works with other components.
Run just ci-check before PRs: We'll run ci-check before submitting pull requests to ensure that our code meets our standards.

By following this testing strategy, we can catch bugs early and ensure that our API is reliable. It's like having a quality control team that makes sure everything is up to snuff before it ships out.

So there you have it, guys! A comprehensive overview of setting up the foundation and routing structure for Agent API v2 Phase 2B. This is a crucial step in building a robust and reliable system, and by following these guidelines, we can ensure that we're on the right track. Let's get to work and make this happen!