C2 containers

graph LR
    %% ── External Systems
    Prom["Prometheus<br/>AlertManager<br/>[External Monitor]"]
    Platforms["Chat Platforms<br/>Slack · Teams · GChat<br/>[Inbound Sources]"]

    %% ── System Boundary
    subgraph Boundary["System Boundary — Alert Routing Infrastructure"]
        direction TB

        %% Extension Tool
        subgraph ET["Extension Tool"]
            direction TB

            GW["Message Gateway<br/> Platform Adapter"]
            VP["Validation Pipeline<br/>Schema · Dedup · Rate Limiter"]
            DaprET["Dapr Sidecar<br/>Pub: alerts-inbound · Sub: alerts-outbound<br/>State: fingerprints · counters"]

            GW --> VP --> DaprET
        end

        %% Dapr State Store
        subgraph State["Dapr State Store · Redis 7"]
            Redis[("Redis 7<br/>Fingerprints · Rate Counters")]
        end

        %% Dapr Pub/Sub Broker
        subgraph MsgBroker["Dapr Pub/Sub · RabbitMQ"]
            direction TB
            CH1["alerts-inbound"]
            CH2["alerts-outbound"]
        end

        %% L0 Agent
        subgraph L0["L0 Agent"]
            direction TB
            QM["Queue Manager<br/>Alert Consumer · Payload Parser"]
            A2A["A2A Server<br/>auto → L1 dispatch<br/>hitl → HITL approval"]
            RH["Response Handler<br/>Formatter · Router"]
            DaprL0["Dapr Sidecar<br/>Sub: alerts-inbound · Pub: alerts-outbound"]

            DaprL0 --> QM --> A2A --> RH --> DaprL0
        end

        PlatOut["Outbound Platform APIs<br/>Slack Web API · Teams Graph API · GChat REST<br/>[Block Kit · Adaptive Card · Card JSON]"]
    end

    %% L1 Agents
    L1["L1 Agents<br/>[A2A JSON-RPC · HTTPS]"]

    %% ── Flows
    Prom -->|"webhook · HTTPS"| Platforms
    Platforms -->|"[Inbound] Event JSON · Sync"| GW
    DaprET <-->|"[State] Redis RESP3 · get/set/expire"| Redis
    DaprET -->|"[Pub/Sub] AMQP 0-9-1 publish · alerts-inbound"| CH1
    CH1 -->|"[Pub/Sub] AMQP 0-9-1 deliver · alerts-inbound"| DaprL0
    DaprL0 -.->|"[Pub/Sub] AMQP 0-9-1 publish · alerts-outbound"| CH2
    CH2 -.->|"[Pub/Sub] AMQP 0-9-1 deliver · alerts-outbound"| DaprET
    DaprET -.->|"[Outbound] ResponsePayload · HTTP callback"| GW
    GW -.->|"[Outbound] formatted reply"| PlatOut
    A2A <-.->|"A2A JSON-RPC · HTTPS · Async"| L1

    %% ── Styling
    classDef external fill:#1a1a2a,stroke:#00C9FF,stroke-width:1.5px,color:#00C9FF
    classDef gateway  fill:#0d1a2a,stroke:#00C9FF,stroke-width:1px,color:#00C9FF
    classDef validate fill:#1a0d2a,stroke:#7B61FF,stroke-width:1px,color:#7B61FF
    classDef dapr     fill:#1e0d2a,stroke:#7B61FF,stroke-width:1.5px,color:#C084FC
    classDef broker   fill:#2a1a00,stroke:#FF9900,stroke-width:1px,color:#FF9900
    classDef redis    fill:#1a0d1a,stroke:#7B61FF,stroke-width:1.5px,color:#7B61FF
    classDef l0core   fill:#0d2a1a,stroke:#00E5A0,stroke-width:1px,color:#00E5A0
    classDef outbound fill:#2a0d14,stroke:#FF4D6D,stroke-width:1px,color:#FF4D6D
    classDef agents   fill:#1e1a2a,stroke:#C084FC,stroke-width:1.5px,color:#C084FC

    class Prom,Platforms external
    class GW gateway
    class VP validate
    class DaprET,DaprL0 dapr
    class CH1,CH2 broker
    class Redis redis
    class QM,A2A,RH l0core
    class PlatOut outbound
    class L1 agents

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