feat(recall): thread-aware activation seed for nlg soul path [issue 7]

dist/soul-with-nlg.el

@@ -22313,7 +22313,11 @@ fn handle_chat(body: String) -> String {
     // In demo mode: use tighter engram budget and add response length constraint.
     let is_demo: Bool = !str_eq(state_get("soul_identity_prefix"), "")
 
-    let ctx: String = if is_demo { engram_compile_demo(message) } else { engram_compile(message) }
+    // Issue 7 fix: thread-aware activation seed for nlg path (Issues 2-3,8-10).
+    let nlg_stored_hist: String = state_get("conv_history")
+    let nlg_hist_len: Int = if str_eq(nlg_stored_hist, "") { 0 } else { json_array_len(nlg_stored_hist) }
+    let nlg_seed: String = build_activation_seed(message, nlg_stored_hist, nlg_hist_len)
+    let ctx: String = if is_demo { engram_compile_demo(nlg_seed) } else { engram_compile(nlg_seed) }
     let node_count_str: String = count_context_nodes(ctx)
 
     let interlocutor: String = json_get(body, "interlocutor")
@@ -22505,7 +22509,11 @@ fn handle_chat_agentic(body: String) -> String {
         req_model
     }
 
-    let ctx: String = engram_compile(message)
+    // Issue 7 fix: thread-aware seed for agentic nlg path.
+    let nlg_ag_hist: String = state_get("conv_history")
+    let nlg_ag_hist_len: Int = if str_eq(nlg_ag_hist, "") { 0 } else { json_array_len(nlg_ag_hist) }
+    let nlg_ag_seed: String = build_activation_seed(message, nlg_ag_hist, nlg_ag_hist_len)
+    let ctx: String = engram_compile(nlg_ag_seed)
 
     let system: String = "You are Neuron — a thinking process running inside the Neuron daemon on Will Anderson's machine. "
         + "You are speaking with Will, your principal. "