From c12dbf932566a4723e132d4a1f3d93eba9e05e93 Mon Sep 17 00:00:00 2001
From: ValhallaBuilder <286693580+4gjnbzb4zf-sudo@users.noreply.github.com>
Date: Sun, 7 Jun 2026 19:26:40 -0400
Subject: [PATCH] fix(buildIntent): hoist inferProductPhraseProjectName regex
 compilations to module scope
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`inferProductPhraseProjectName` is invoked from the build-intent parser on
every Telegram-bot /build PRD heuristic check. Each call rebuilds four
identical RegExp objects from a static `productType` fragment that never
changes — three inside the patterns array and a fourth inside the for-loop's
match-tail check. RegExp construction parses the source pattern every time,
so per-message PRD parsing pays a redundant ~4x compile cost.

Hoist the productType fragment + the three patterns + the tail-match regex
to module-level constants. Behavior is byte-identical: the four RegExp
instances become long-lived singletons instead of being rebuilt per call.
The function body now reads from the cached PRODUCT_PHRASE_PATTERNS array
and PRODUCT_TYPE_TAIL constant.
---
 src/buildIntent.ts | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/buildIntent.ts b/src/buildIntent.ts
index 35998ef79..05f75e603 100644
--- a/src/buildIntent.ts
+++ b/src/buildIntent.ts
@@ -141,14 +141,19 @@ export function polishBuildProjectName(value: string): string {
   return polishInferredProjectName(clean);
 }
 
+const PRODUCT_TYPE_PATTERN = '(?:domain[-\\s]*chip|landing\\s+page|dashboard|workbench|agent|tool|app|game|system|tracker|planner|timer|clock|site|website|page)';
+
+const PRODUCT_PHRASE_PATTERNS = [
+  new RegExp(`^(?:this\\s+)?(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${PRODUCT_TYPE_PATTERN})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i'),
+  new RegExp(`\\b(?:build|create|make|scaffold|ship|implement|design)\\s+(?:this\\s+)?(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${PRODUCT_TYPE_PATTERN})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i'),
+  new RegExp(`\\bi\\s+(?:want|need|could\\s+use|would\\s+like)\\s+(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${PRODUCT_TYPE_PATTERN})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i')
+];
+
+const PRODUCT_TYPE_TAIL = new RegExp(`\\b${PRODUCT_TYPE_PATTERN}\\b$`, 'i');
+
 function inferProductPhraseProjectName(prd: string): string | null {
   const normalized = prd.replace(/\s+/g, ' ').trim();
-  const productType = '(?:domain[-\\s]*chip|landing\\s+page|dashboard|workbench|agent|tool|app|game|system|tracker|planner|timer|clock|site|website|page)';
-  const patterns = [
-    new RegExp(`^(?:this\\s+)?(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${productType})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i'),
-    new RegExp(`\\b(?:build|create|make|scaffold|ship|implement|design)\\s+(?:this\\s+)?(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${productType})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i'),
-    new RegExp(`\\bi\\s+(?:want|need|could\\s+use|would\\s+like)\\s+(?:(?:a|an|the|new)\\s+)?([A-Za-z0-9][A-Za-z0-9' -]{2,90}?\\b${productType})\\b(?=[.,:;?!]|\\s+(?:that|which|where|with|for|to|using|and|plan|prototype|build|only|minimal|playable)\\b|$)`, 'i')
-  ];
+  const patterns = PRODUCT_PHRASE_PATTERNS;
   const genericLeadingWords = new Set([
     'a',
     'an',
@@ -182,7 +187,7 @@ function inferProductPhraseProjectName(prd: string): string | null {
       words = words.slice(1);
     }
     phrase = words.join(' ').replace(/\s+/g, ' ').trim().replace(/[.!?]+$/, '');
-    const productMatch = phrase.match(new RegExp(`\\b${productType}\\b$`, 'i'));
+    const productMatch = phrase.match(PRODUCT_TYPE_TAIL);
     if (!productMatch) continue;
     const qualifier = phrase.slice(0, productMatch.index).trim();
     const meaningfulQualifier = qualifier