fix(extension): resolve AI response dropping by adding nested payload extraction in step-utils

docs/devlog/entries/20260410-001.md

@@ -0,0 +1,23 @@
+# AI ?띿뒪???묐떟 異붿텧 ?꾨씫 踰꾧렇 ?닿껐 (Nested Payload)
+
+- **?쒓컙**: 2026-04-10 15:30~15:53
+- **Commit**: TBD
+- **Vikunja**: TBD
+
+## ?몃윭釉붿뒋?? AI???띿뒪?멸? Discord濡??ㅼ? ?딅뒗 臾몄젣
+**臾몄젣 ?곹솴:**
+- ?붿뒪肄붾뱶 ?뮠 AI ?묐떟 濡쒓렇媛€ ?꾩삁 李랁엳吏€ ?딆쓬
+- Auto-approve embed 踰꾧렇 ?섏젙(0.5.21) ?댄썑?먮룄 ?묐떟 蹂몃Ц 遺€??臾몄젣??吏€??
+**?먯씤 遺꾩꽍:**
+- step-probe.ts??罹≪쿂 猷⑦떞??s?.plannerResponse留?李몄“?섏뿬 modifiedResponse, 
+awText, 	ext 3媛€吏€ ?꾨뱶???섎뱶肄붾뵫 ?섏〈.
+- ?섏?留?AG??理쒖떊 RPC???뱀젙 紐⑤뜽?€ s.step.plannerResponse.summary ???ㅼ뼇?섍퀬 ?고쉶?곸씤 depth瑜?諛섑솚?섎?濡? 湲곗〈 ?뚯떛 肄붾뱶媛€ 紐⑤몢 ?ㅽ뙣?섍퀬 
+ull 泥섎━??
+
+**?닿껐 諛⑸쾿:**
+- 湲곗〈??遺꾨━?대몦 extractPlannerText ?⑥닔瑜??곴레 ?쒖슜?섎룄濡?step-probe.ts 濡ㅻ갚/?섏젙
+- extractPlannerText ?대? 濡쒖쭅??step.step?.plannerResponse???먯깋?섎뒗 濡쒖쭅 異붽?
+- Node REPL???듯빐 Flat, Nested 紐⑹뾽 JSON ?뚯떛??紐⑤몢 ?뺤긽 ?섑뻾?⑥쓣 ?뺤씤
+
+## 誘몄셿猷??ы빆
+- ?놁쓬