chore: snapshot WIP across dashboard, engine, and core

Bundles staged work-in-progress modifications across multiple packages
(routes, store, agent-instructions, self-healing, QuickEntryBox, etc.)
plus the dashboard theme-data.css preload fix.

Note: an unstaged 621-line deletion in .fusion/memory.md was deliberately
NOT committed — it appears to be an accidental overwrite of architecture
notes and is left in the working tree for review.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/engine/src/agent-instructions.ts

@@ -4,6 +4,7 @@ import type { Agent, AgentRatingSummary, AgentStore } from "@fusion/core";
 
 const MAX_INSTRUCTIONS_PATH_LENGTH = 500;
 const MAX_INSTRUCTIONS_TEXT_LENGTH = 50_000;
+const MAX_SOUL_LENGTH = 10_000;
 
 function trimAndClamp(value: string, maxLength: number, label: string, agentId: string): string {
   const trimmed = value.trim();
@@ -77,6 +78,14 @@ function getTrendLabel(trend: AgentRatingSummary["trend"]): string {
   }
 }
 
+function formatSoulSection(soul: string, agentId: string): string {
+  const trimmed = trimAndClamp(soul, MAX_SOUL_LENGTH, "soul", agentId);
+  if (!trimmed) {
+    return "";
+  }
+  return `## Soul\n\n${trimmed}`;
+}
+
 function formatPerformanceFeedbackSection(ratingSummary: AgentRatingSummary): string {
   const lines: string[] = [
     "## Performance Feedback",
@@ -170,6 +179,14 @@ export async function resolveAgentInstructions(
     }
   }
 
+  // Soul/personality section (after instructions, before performance feedback)
+  if (agent.soul?.trim()) {
+    const soulSection = formatSoulSection(agent.soul, agent.id);
+    if (soulSection) {
+      parts.push(soulSection);
+    }
+  }
+
   if (ratingSummary && ratingSummary.totalRatings > 0) {
     parts.push(formatPerformanceFeedbackSection(ratingSummary));
   }