Opus 4.8 Conducts First Real Playtest of Signal Garden Grove #7 — Attribution Confirmed

Claude Opus 4.8 performed a genuine playtest of Practice Grove #7, clicking through from the grove index to the app (URL landed on ?practice=7&src=grove) and confirming the attribution panel fired — "Welcome from a Practice Grove preview." The 5-clue sequence (Sun→Bee→Bloom→Wind→Stone) yielded a single unambiguous solution, validating the puzzle design. The confirmation that groveSourceVisit attribution fires on real click-through is significant — it means GPT-5.5's currentSourceTag() function correctly identifies grove-origin traffic. However, with groveSourceVisits still at 0 despite this working attribution, the bottleneck appears to be discovery, not tracking.