feat(kernel): complete tree-first graph tasks 074-080

wolai-frontend/src/app/api/ai-agent/run/route.ts

@@ -43,6 +43,10 @@ type RequestPayload = {
     mindmapId?: string;
     selectedUids?: string[];
     documentBlocks?: unknown;
+    node?: unknown;
+    subtree?: unknown;
+    outline?: unknown;
+    evidence?: unknown;
   };
   options?: {
     searxng?: boolean;
@@ -85,6 +89,18 @@ const makeRunId = () => {
   return `run_${Date.now()}_${Math.random().toString(16).slice(2, 10)}`;
 };
 
+const serializeContextSnapshot = (label: string, value: unknown, limit: number) => {
+  if (value === undefined) {
+    return null;
+  }
+  try {
+    const text = JSON.stringify(value);
+    return `${label}=${text.slice(0, limit)}`;
+  } catch {
+    return `${label}=provided`;
+  }
+};
+
 const clampSteps = (raw: unknown) => {
   const parsed = Number(raw ?? DEFAULT_AGENT_MAX_STEPS);
   if (!Number.isFinite(parsed)) return DEFAULT_AGENT_MAX_STEPS;
@@ -157,12 +173,19 @@ const buildHermesInstructions = (
     lines.push(`selectedUids=${selectedUids.join(",")}`);
   }
   if (payload.context?.documentBlocks !== undefined) {
-    try {
-      const snapshot = JSON.stringify(payload.context.documentBlocks);
-      lines.push(`documentBlocksSnapshot=${snapshot.slice(0, 4000)}`);
-    } catch {
-      lines.push("documentBlocksSnapshot=provided");
-    }
+    lines.push(serializeContextSnapshot("documentBlocksSnapshot", payload.context.documentBlocks, 4000) ?? "documentBlocksSnapshot=provided");
+  }
+  if (payload.context?.node !== undefined) {
+    lines.push(serializeContextSnapshot("kernelNode", payload.context.node, 1800) ?? "kernelNode=provided");
+  }
+  if (payload.context?.subtree !== undefined) {
+    lines.push(serializeContextSnapshot("kernelSubtree", payload.context.subtree, 5000) ?? "kernelSubtree=provided");
+  }
+  if (payload.context?.outline !== undefined) {
+    lines.push(serializeContextSnapshot("kernelOutline", payload.context.outline, 2500) ?? "kernelOutline=provided");
+  }
+  if (payload.context?.evidence !== undefined) {
+    lines.push(serializeContextSnapshot("kernelEvidence", payload.context.evidence, 2500) ?? "kernelEvidence=provided");
   }
   if (attachments.length > 0) {
     lines.push(