Create health.py

core/health.py

@@ -0,0 +1,11 @@
+import os, shutil
+
+def health_html() -> str:
+    badges = []
+    key = os.environ.get("OPENAI_API_KEY")
+    badges.append("✅ OPENAI_API_KEY: 検出" if key else "❌ OPENAI_API_KEY: 未設定")
+    for b in ("pdftoppm", "pdftocairo"):
+        ok = bool(shutil.which(b))
+        badges.append(("✅" if ok else "❌") + f" {b}: " + ("検出" if ok else "見つからず（poppler-utils 必須）"))
+    badges.append(f"ℹ️ Vision={os.environ.get('OPENAI_VISION_MODEL','gpt-4o-mini')} / Text={os.environ.get('OPENAI_TEXT_MODEL','gpt-4o-mini')}")
+    return "<br>".join(badges)