ME Pool Health + Rotation

Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>

src/config/types.rs

@@ -267,6 +267,10 @@ pub struct GeneralConfig {
     #[serde(default)]
     pub update_every: Option<u64>,
 
+    /// Periodic ME pool reinitialization interval in seconds.
+    #[serde(default = "default_me_reinit_every_secs")]
+    pub me_reinit_every_secs: u64,
+
     /// Number of identical getProxyConfig snapshots required before applying ME map updates.
     #[serde(default = "default_me_config_stable_snapshots")]
     pub me_config_stable_snapshots: u8,
@@ -366,6 +370,7 @@ impl Default for GeneralConfig {
             hardswap: default_hardswap(),
             fast_mode_min_tls_record: default_fast_mode_min_tls_record(),
             update_every: Some(default_update_every_secs()),
+            me_reinit_every_secs: default_me_reinit_every_secs(),
             me_config_stable_snapshots: default_me_config_stable_snapshots(),
             me_config_apply_cooldown_secs: default_me_config_apply_cooldown_secs(),
             proxy_secret_stable_snapshots: default_proxy_secret_stable_snapshots(),
@@ -392,6 +397,11 @@ impl GeneralConfig {
             .unwrap_or_else(|| self.proxy_secret_auto_reload_secs.min(self.proxy_config_auto_reload_secs))
     }
 
+    /// Resolve periodic zero-downtime reinit interval for ME writers.
+    pub fn effective_me_reinit_every_secs(&self) -> u64 {
+        self.me_reinit_every_secs
+    }
+
     /// Resolve force-close timeout for stale writers.
     /// `me_reinit_drain_timeout_secs` remains backward-compatible alias.
     pub fn effective_me_pool_force_close_secs(&self) -> u64 {