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Hiroshi utilizes a platform-agnostic, normalized gateway pipeline to handle external incoming events.

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✉️ The ChannelMessage Contract

Every event received from Slack, Discord, Telegram, or WebSockets is deserialized into an immutable ChannelMessage layout: 
pub struct ChannelMessage {
    pub origin: ChannelOrigin,     // Telegram | Discord | Slack | Terminal | Web
    pub chat_type: ChatType,       // Direct | Group | Thread
    pub sender_id: String,         // Immutable network ID
    pub display_name: Option<String>,
    pub session_key: String,       // Compound lookup: agent:channel:chat_type:peer_id
    pub text: String,
    pub attachments: Vec<Attachment>,
    pub timestamp: i64,
    pub is_bot: bool,              // Identifies and blocks potential feedback loops
}

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🛡️ Spoofing Protection: The AllowlistEngine

To secure the gateway interfaces, Hiroshi implements an allowlist gating filter (AllowlistEngine):
  • Network ID Verification: Ingress packets are evaluated exclusively against unalterable platform network IDs (sender_id), never user-controlled display names, neutralizing display-name forgery vectors.
  • Automatic Bot Filtering: Any message marked with is_bot = true is discarded unconditionally to prevent cascading agent loop feedbacks.
  • Open Mode Fallback: If the allowed_senders config variable is left empty, the engine operates in open mode, permitting all non-bot participants.