Tool walkthrough videos: collapsible player + volume-served /tv/ route

Twelve narrated walkthroughs, one per Suite tool, in Marty's cloned voice.
No screen recording involved: Playwright drives and records the real UI,
ElevenLabs narrates, ffmpeg muxes. Pipeline lives outside this repo at
../video-pipeline.

Placement (Marty's call): TOP of each tool page but COLLAPSED — a one-line
"Watch the walkthrough" bar that auto-opens on a member's first visit to that
specific tool and stays shut after. A video in a separate library never gets
watched; an embedded player pushes the tool below the fold on mobile for every
returning member. First-visit autoplay is muted, so it is never a surprise
noise, and every localStorage access is guarded because it throws outright in
private windows.

Served from the data volume via /tv/<slug>.mp4, NOT from public/. That
directory is already 199MB and another 33MB of MP4 would ride along on every
deploy forever; this way a video can also be re-cut and dropped in without a
rebuild. The route implements HTTP range requests — without them the scrub bar
renders but cannot seek, which looks broken in a way people rarely report.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

public/suite-grants.html

@@ -64,5 +64,6 @@
   <p class="g-note"><strong style="color:var(--text)">Grants come out of a separate monthly pool that your level gives you</strong> — giving to your team never eats into your own allowances, because nobody should have to choose between equipping their people and using their own tools. Pools reset on the 1st along with everything else, so a grant is for unblocking somebody now rather than building a balance. <br><br>Independent team resource · No income is guaranteed · Cryptocurrency involves risk.</p>
 </main>
 <script src="/suite-grants.js"></script>
+<script src="/tool-video.js" data-video="/tv/suite-team-grants.mp4" data-title="Watch the Team Grants walkthrough" data-key="grants" defer></script>
 <script src="/chat.js" defer></script>
 <script src="/translate.js" defer></script><script src="/tg-app.js" defer></script><script src="/nav-dash.js" defer></script></body></html>