diff --git a/app/api/projects/[projectId]/advisor/route.ts b/app/api/projects/[projectId]/advisor/route.ts
index 0080870..6b1e9ce 100644
--- a/app/api/projects/[projectId]/advisor/route.ts
+++ b/app/api/projects/[projectId]/advisor/route.ts
@@ -75,7 +75,8 @@ Operating principles:
 
   // PRD or discovery phases
   if (prd) {
-    lines.push(`\n## Product Requirements Document\n${prd.slice(0, 2500)}${prd.length > 2500 ? '\n[truncated — ask the founder for more detail]' : ''}`);
+    // Claude Sonnet has a 200k token context — pass the full PRD, no truncation needed
+    lines.push(`\n## Product Requirements Document\n${prd}`);
   } else if (phaseRows.length > 0) {
     lines.push(`\n## Discovery phases completed (${phaseRows.length})`);
     for (const p of phaseRows) {