Complete The Circle Method + productize the business-in-a-box

- Modules 2 (Help Your Two) and 3 (Teach the Teachers) live on the
  training page: six Marty-voiced lessons, coming-soon card retired,
  anchor ids on all ten lesson cards.
- Coach panel and pipeline now prescribe lessons per situation
  (L2/L3/L7/L8 chips) - Lesson 9's routing table as buttons.
- Chatbot + AI prompt know the full ten-lesson course and the
  situation-to-lesson routing rule, plus the business-in-a-box
  product answer.
- New printable: /weekly-rhythm (Lesson 10's 20-minute routine +
  4-week tracker, personalized QR), cross-linked from dashboard and
  fast-start.
- "Business in a box" section on the join page and home page names
  the full toolkit: course, promo arsenal, printables, AI coach,
  live dashboard, public engine.

public/fast-start.html

@@ -94,7 +94,7 @@
   </div>
 </div>
 <div class="fs-print-btn"><button id="fsPrintBtn" class="btn btn-gold" style="font-size:16px;padding:12px 22px">🖨️ Print my Fast Start sheet</button>
-<a href="/my" class="btn btn-secondary" style="margin-left:8px">← Back to my dashboard</a></div>
+<a href="/weekly-rhythm" class="btn btn-secondary" style="margin-left:8px">🔁 The Weekly Rhythm sheet</a><a href="/my" class="btn btn-secondary" style="margin-left:8px">← Back to my dashboard</a></div>
 </div>
 <script src="/qrlib.js"></script>
 <script src="/fast-start.js"></script>