color cleaner v2: disable gemini-2.5-flash thinking budget (thinkingBudget:0) — 40-token budget was eaten by reasoning → empty text → false-removes; canary now keeps 32/50 blue correctly

80b183f9df60af93bd6899db978a3515a32c7f4b · 2026-06-12 12:45:13 -0700 · Steve Abrams

Files touched

M DW-Programming/color-collection-cleaner-v2.js

Diff

commit 80b183f9df60af93bd6899db978a3515a32c7f4b
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Fri Jun 12 12:45:13 2026 -0700

    color cleaner v2: disable gemini-2.5-flash thinking budget (thinkingBudget:0) — 40-token budget was eaten by reasoning → empty text → false-removes; canary now keeps 32/50 blue correctly
---
 DW-Programming/color-collection-cleaner-v2.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/DW-Programming/color-collection-cleaner-v2.js b/DW-Programming/color-collection-cleaner-v2.js
index c419f21b..747ef676 100644
--- a/DW-Programming/color-collection-cleaner-v2.js
+++ b/DW-Programming/color-collection-cleaner-v2.js
@@ -116,7 +116,10 @@ Q1 COLOR: Is the PRODUCT primarily ${cfg.word}? Consider ${cfg.consider} as this
 Q2 BANNER: Does the IMAGE have any burned-in vendor banner, watermark, website URL, logo text, label box, or a strip/row of color swatches overlaid on the photo? A clean edge-to-edge wallpaper pattern with NO overlay = NO.
 Answer on ONE line EXACTLY: "COLOR=YES|NO (dominant) BANNER=YES|NO"` },
     { inline_data: { mime_type: 'image/jpeg', data: b64 } } ] }],
-    generationConfig: { temperature: 0.1, maxOutputTokens: 40 } });
+    // gemini-2.5-flash is a thinking model — without thinkingBudget:0 it spends the
+    // output budget on internal reasoning and returns finishReason=MAX_TOKENS with an
+    // EMPTY text part, which the parser reads as "not this color" → false-removes. (2026-06-12)
+    generationConfig: { temperature: 0.1, maxOutputTokens: 60, thinkingConfig: { thinkingBudget: 0 } } });
   for (let a = 1; a <= 5; a++) {
     try { const v = await callGemini(body);
       return { color: /COLOR=YES/i.test(v), banner: /BANNER=YES/i.test(v), raw: v };

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