feat(profile): GET /api/profile/observations returns recent raw entries

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/fabledassistant/routes/profile.py

@@ -59,3 +59,13 @@ async def clear_observations():
     uid = get_current_user_id()
     await clear_learned_data(uid)
     return jsonify({"status": "ok"})
+
+
+@profile_bp.route("/observations", methods=["GET"])
+@login_required
+async def list_observations():
+    uid = get_current_user_id()
+    profile = await get_profile(uid)
+    raw = list(profile.observations_raw or [])
+    # Newest first, last 14 entries
+    return jsonify({"observations": list(reversed(raw[-14:]))})