fix(server): PR #132 review round 2 — 14 actionable comments addressed

Blockers (4):
- Wire cargo deny check into pre-pr-server (was dead config) (#1)
- ConfirmBookmark idempotency guard: SimError ProtocolError on retry (#2)
- D-080 amendment: transfer_npc_knowledge retained-but-dormant honest doc (#3)
- SelectedBookmark v0.2 transient scope; save/load deferred to #863 (#4)

Issues (8):
- ConfirmBookmark validation tests: unknown id, invalid location,
  valid path, double-confirm guard (#5)
- snapshot_with_bookmark_catalog fixture for client #618 decode tests (#6)
- generate_brands: replace 5 raw .unwrap() with eprintln+exit pattern (#7)
- npc_knowledge_transfer.rs: stale run_npc_conversations refs cleaned (#8)
- monologue.rs: residual D-078 "overheard conversations" doc removed (#9)
- 5 test files: orphan blank lines from removed conversation_* fields (#10)
- BookmarkCatalog: add PartialEq, Eq derives (matches sibling) (#11)

Nits (2):
- culture_tag doc: describe BookmarkRegistry::build_catalog behavior,
  remove "until #679 lands" placeholder (#13)
- generate_brands seed=1 canonical comment (#14)

Follow-ups filed:
- #862 — BookmarkPlugin::new(registry) injection (#12 deferred)
- #863 — Wire SelectedBookmark into SaveState (Sprint 37)

Pre-pr-server: fmt clean, clippy clean, deny clean, build clean.
nextest save_io failures pre-existing parallelism issue (sequential
cargo test --lib passes 20/20).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

server/src/simulation/npc_knowledge_transfer.rs

@@ -115,7 +115,7 @@ impl TransferCandidate {
 /// If the player is within VOICE_RANGE_TILES, they gain entity-level knowledge
 /// about both NPCs at `Suspects` confidence (`Heard` source).
 ///
-/// System ordering: after(run_npc_conversations).
+/// Runs in [`TickPhase::Simulation`] with no ordering constraint.
 #[allow(clippy::too_many_arguments)]
 pub fn transfer_npc_knowledge(
     time: Res<SimulationTime>,
@@ -203,10 +203,9 @@ pub fn transfer_npc_knowledge(
         }
 
         // --- Dual-mutable KG access ---
-        // Transfer is one-directional per conversation tick: speaker → partner.
-        // If both participants are Active NPCs, each fires as "speaker" in
-        // separate conversation pairs (run_npc_conversations creates symmetric
-        // pairs), so both directions are covered across two iterations.
+        // Transfer is one-directional per NpcConversation component: speaker → partner.
+        // When both participants have NpcConversation, each fires as "speaker"
+        // in a separate query row, so both directions are covered.
 
         let Ok([speaker_kg, mut partner_kg]) =
             kg_query.get_many_mut([speaker_entity, partner_entity])