feat: universal LLM gateway with embedded multilingual admin console

- OpenAI-compatible gateway with intelligent routing via cortiq-router (allaigate) - Embedded build-free admin SPA at /admin: 7 languages (en/ru/de/fr/es/zh/tr), light/dark themes, hot config reload (no restart) - Admin API, per-request statistics + Prometheus /metrics, secret store, playground - English documentation (primary) with Russian translations (*.ru.md) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-30 10:51:37 +03:00
commit 51487e6329
63 changed files with 11339 additions and 0 deletions
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+//! Anthropic Messages provider (v0.2). Translates the canonical ChatRequest to
+//! `POST /v1/messages` and back. The `system` message is extracted into a separate field.
+
+use super::{Caps, Provider};
+use crate::config::ModelCfg;
+use crate::error::{GatewayError, Result};
+use crate::model::{ChatRequest, ChatResponse};
+use async_trait::async_trait;
+
+pub struct AnthropicProvider {
+    id: String,
+    #[allow(dead_code)]
+    base_url: String,
+    #[allow(dead_code)]
+    model: String,
+    #[allow(dead_code)]
+    api_key: Option<String>,
+    caps: Caps,
+    price_in: f64,
+    price_out: f64,
+}
+
+impl AnthropicProvider {
+    pub fn new(cfg: &ModelCfg, api_key: Option<String>) -> anyhow::Result<Self> {
+        Ok(Self {
+            id: cfg.id.clone(),
+            base_url: cfg.base_url.trim_end_matches('/').to_string(),
+            model: cfg.model.clone(),
+            api_key,
+            caps: Caps::from_list(&cfg.caps),
+            price_in: cfg.price_in,
+            price_out: cfg.price_out,
+        })
+    }
+}
+
+#[async_trait]
+impl Provider for AnthropicProvider {
+    fn id(&self) -> &str {
+        &self.id
+    }
+    fn caps(&self) -> &Caps {
+        &self.caps
+    }
+    fn price(&self, prompt_tokens: u32, completion_tokens: u32) -> f64 {
+        (prompt_tokens as f64 * self.price_in + completion_tokens as f64 * self.price_out)
+            / 1_000_000.0
+    }
+    async fn chat(&self, _req: ChatRequest) -> Result<ChatResponse> {
+        // TODO(v0.2): extract system from messages → "system" field; messages → content blocks;
+        // add x-api-key + anthropic-version headers; map response → canonical form.
+        // Returns an error (not a panic) so that failover/playground continue to work normally.
+        Err(GatewayError::UpstreamUnavailable(
+            "anthropic provider not yet implemented (planned v0.2)".to_string(),
+        ))
+    }
+}