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/adoption.rs

@@ -192,15 +192,20 @@ pub async fn run(state: &AppState, doc_id: &str) -> AppResult<Vec<Entered>> {
 
 /// What an adoption keeps of the formula it was judged by. The four letters
 /// stay where the rows of before have them (`majority_pct`, `gradient`, `base`,
-/// `constant`: read as they were written); the level and the scale join them.
+/// `constant`: read as they were written); the level and the scale join them —
+/// and, for the act that ends the simulation (ADR 0012, `simulation::discard`),
+/// the simulated share of the votes it entered with, the version it displaced
+/// and the level of inertia of before.
 fn kept_params(st: &DocState, unit: &docs::UnitRow, p: &docs::ProposalRow) -> serde_json::Value {
     let level = st.voting_level(unit, p);
     let f = st.scale().params(level);
+    let simulated = st.simulated_counted(&p.id);
     serde_json::json!({
         "majority_pct": f.majority_pct, "gradient": f.gradient, "base": f.base, "constant": f.constant,
         "level": level, "share_pct": level.share_pct(),
         "participation": st.participation.ratio, "participation_source": st.participation.source,
         "participation_sample": st.participation.sample, "participation_median": st.participation.median,
+        "simulated": simulated, "displaced": unit.in_force_id, "from_inertia": docs::inertia_of(unit),
     })
 }