WIP lot V : le tampon câblé dans le serveur (migration 0010, simulation, discard-simulation), tests en cours de reprise — repris tel quel après la coupure du 02/11

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/ld-server/src/config.rs

@@ -73,6 +73,9 @@ pub struct Config {
     pub build: String,
     /// The vote on the chain; `None` = off (no `LD_VOTE_ACCOUNT`).
     pub vote: Option<VoteChain>,
+    /// Whether a simulated vote counts for adoption while the chain is closed
+    /// (ADR 0012): `ld_engine::buffer::SIMULATED_ADOPTS`, the default of lot V.
+    pub simulated_adopts: bool,
 }
 
 fn var(name: &str) -> Option<String> {
@@ -152,6 +155,7 @@ impl Config {
             wot_fallback: var("LD_WOT_FALLBACK").and_then(|v| v.parse().ok()).unwrap_or(5745),
             build: var("LD_BUILD").unwrap_or_else(|| "dev".into()),
             vote,
+            simulated_adopts: ld_engine::buffer::SIMULATED_ADOPTS,
             data_dir,
         }
     }
@@ -183,6 +187,7 @@ impl Config {
             wot_fallback: 5745,
             build: "test".into(),
             vote: None,
+            simulated_adopts: ld_engine::buffer::SIMULATED_ADOPTS,
         }
     }
 }