fix29: удалён legacy, введён Debian 13-only и обновлён rollback

traffic_core/src/config.rs

@@ -213,6 +213,7 @@ impl Config {
     }
 
     pub fn validate_runtime(&self) -> anyhow::Result<()> {
+        self.check_supported_host()?;
         self.check_host_tools()
     }
 
@@ -256,6 +257,52 @@ impl Config {
         }
         Ok(())
     }
+
+    fn check_supported_host(&self) -> anyhow::Result<()> {
+        let os_release = std::fs::read_to_string("/etc/os-release").map_err(|_| {
+            anyhow::anyhow!(
+                "unsupported host: missing /etc/os-release; only Debian 13 amd64 is supported"
+            )
+        })?;
+
+        let mut id = String::new();
+        let mut version_id = String::new();
+        for line in os_release.lines() {
+            if let Some((k, v)) = line.split_once('=') {
+                let val = v.trim_matches('"');
+                match k {
+                    "ID" => id = val.to_string(),
+                    "VERSION_ID" => version_id = val.to_string(),
+                    _ => {}
+                }
+            }
+        }
+
+        if id != "debian" || version_id != "13" {
+            anyhow::bail!(
+                "unsupported host: only Debian 13 amd64 is supported (got ID={id}, VERSION_ID={version_id})"
+            );
+        }
+
+        let arch = std::process::Command::new("dpkg")
+            .args(["--print-architecture"])
+            .output()
+            .ok()
+            .and_then(|o| {
+                if o.status.success() {
+                    Some(String::from_utf8_lossy(&o.stdout).trim().to_string())
+                } else {
+                    None
+                }
+            })
+            .unwrap_or_else(|| std::env::consts::ARCH.to_string());
+
+        if arch != "amd64" && arch != "x86_64" {
+            anyhow::bail!("unsupported host arch: {arch}; only Debian 13 amd64 is supported");
+        }
+
+        Ok(())
+    }
 }
 
 fn parse_hhmm(v: &str) -> anyhow::Result<()> {