diff --git a/configs/bank-landing/README.md b/configs/bank-landing/README.md
index 543a448..9c920ae 100644
--- a/configs/bank-landing/README.md
+++ b/configs/bank-landing/README.md
@@ -17,7 +17,7 @@ point merchants at `taler.hacktivism.ch`.
 ## Page layout (top → bottom)
 
 1. Hero (badge, short shared-account line)  
-2. **Get the wallet** — Play / F-Droid / iOS / web hub (Chrome · Firefox · Opera · Ubuntu Touch; solid blue icons, [taler.net wallet](https://www.taler.net/de/wallet.html))  
+2. **Get the wallet** — Play / F-Droid / iOS / web hub + **Debian/Ubuntu · Command line** (apt) + **Unix / POSIX · from source** (build monorepo or run `.mjs`)
 3. **Withdraw GOA** — compact QR_Taler, open CTA, live pool balance note, generate-own-account link  
 4. **GOA shop · samples** — always visible (2 products + merchant link)  
 5. **How the shared account works** — collapsed fold (click to expand)  
diff --git a/configs/bank-landing/index.html b/configs/bank-landing/index.html
index 8c64475..fad1f67 100644
--- a/configs/bank-landing/index.html
+++ b/configs/bank-landing/index.html
@@ -4,13 +4,13 @@
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <title>GOA Exploration Bank</title>
-  <meta name="description" content="Withdraw GOA with one QR from the shared pool, try GOA shop samples, pay with GNU Taler — no IBAN." />
+  <meta name="description" content="Get your GOA in one step from the shared bank account, try GOA shop samples, pay with GNU Taler — no IBAN." />
   <link rel="canonical" href="https://bank.hacktivism.ch/intro/" />
   <meta property="og:type" content="website" />
   <meta property="og:site_name" content="hacktivism.ch · GOA" />
   <meta property="og:locale" content="en_US" />
   <meta property="og:title" content="GOA Exploration Bank" />
-  <meta property="og:description" content="Withdraw GOA with one QR, browse GOA shop samples, pay with GNU Taler." />
+  <meta property="og:description" content="Get your GOA in one step from the shared bank account, browse GOA shop samples, pay with GNU Taler." />
   <meta property="og:url" content="https://bank.hacktivism.ch/intro/" />
   <meta property="og:image" content="https://bank.hacktivism.ch/intro/og-goa-shop.png" />
   <meta property="og:image:secure_url" content="https://bank.hacktivism.ch/intro/og-goa-shop.png" />
@@ -20,7 +20,7 @@
   <meta property="og:image:alt" content="GOA shop product samples — pay with GNU Taler" />
   <meta name="twitter:card" content="summary_large_image" />
   <meta name="twitter:title" content="GOA Exploration Bank" />
-  <meta name="twitter:description" content="Withdraw GOA with one QR, browse GOA shop samples, pay with GNU Taler." />
+  <meta name="twitter:description" content="Get your GOA in one step from the shared bank account, browse GOA shop samples, pay with GNU Taler." />
   <meta name="twitter:image" content="https://bank.hacktivism.ch/intro/og-goa-shop.png" />
   <meta name="twitter:image:alt" content="GOA shop product samples — pay with GNU Taler" />
   <style>
@@ -422,6 +422,18 @@
       stroke-linecap: round;
       stroke-linejoin: round;
     }
+    /* git branch: solid nodes, stroked edges */
+    .app-ico.branch-ico circle {
+      fill: currentColor;
+      stroke: none;
+    }
+    .app-ico.branch-ico path {
+      fill: none;
+      stroke: currentColor;
+      stroke-width: 1.7;
+      stroke-linecap: round;
+      stroke-linejoin: round;
+    }
     .app-ico.gold { color: #f0c86a; }
     .app-ico.blue { color: #3ecfbf; }
     .app-btn .app-ico.gold { color: #f0c86a; }
@@ -435,6 +447,18 @@
     }
     .hub-icons .app-ico { width: 1.25rem; height: 1.25rem; }
     .hub-icons .browser-ico { border-radius: 3px; flex-shrink: 0; }
+    /* command-line marks: gold penguin (deb) · gold terminal (posix) */
+    button.app-btn.cli-toggle > .app-ico.penguin-ico,
+    button.app-btn.cli-toggle > .app-ico.console-ico {
+      width: 1.2rem;
+      height: 1.2rem;
+      flex-shrink: 0;
+      border-radius: 0;
+    }
+    button.app-btn.cli-toggle > .app-ico.console-ico rect,
+    button.app-btn.cli-toggle > .app-ico.console-ico path {
+      fill: none;
+    }
     .step-tagline .app-ico {
       width: 1rem;
       height: 1rem;
@@ -445,6 +469,133 @@
     .step-tagline .app-ico.ios { color: #f0c86a; }
     .step-tagline .app-ico.android { color: #f0c86a; }
 
+    /* Two tech options side-by-side; both open the same panel below */
+    .cli-tech-row {
+      display: flex;
+      flex-wrap: wrap;
+      gap: 0.45rem;
+      width: 100%;
+      flex: 1 1 100%;
+    }
+    button.app-btn.cli-toggle {
+      flex: 1 1 calc(50% - 0.25rem);
+      min-width: 9.5rem;
+      max-width: 100%;
+      border-color: rgba(232, 168, 56, 0.4);
+      color: #f0d090;
+      font-size: 0.72rem;
+      cursor: pointer;
+      font-family: inherit;
+      font-weight: 650;
+      width: auto;
+      justify-content: flex-start;
+      align-items: center;
+      gap: 0.4rem;
+      padding: 0.55rem 0.65rem;
+      line-height: 1.25;
+    }
+    button.app-btn.cli-toggle .cli-label {
+      flex: 1 1 auto;
+      text-align: left;
+      min-width: 0;
+    }
+    button.app-btn.cli-toggle .cli-chevron {
+      margin-left: auto;
+      flex-shrink: 0;
+      color: #3ecfbf;
+      font-size: 1rem;
+      font-weight: 700;
+      line-height: 1;
+      transition: transform 0.15s ease;
+    }
+    button.app-btn.cli-toggle[aria-expanded="true"] .cli-chevron {
+      transform: rotate(90deg);
+    }
+    button.app-btn.cli-toggle .app-ico { color: #f0c86a; }
+    button.app-btn.cli-toggle[aria-expanded="true"] {
+      border-color: rgba(240, 200, 106, 0.75);
+      background: rgba(232, 168, 56, 0.12);
+    }
+    /* Shared expand area under both tech buttons (does not cover withdraw) */
+    .cli-panel {
+      display: none;
+      width: 100%;
+      max-width: 100%;
+      margin: 0.55rem 0 0.25rem;
+      text-align: left;
+      border: 1px solid rgba(232, 168, 56, 0.32);
+      border-radius: 12px;
+      background: rgba(0, 0, 0, 0.28);
+      padding: 0.85rem 0.9rem 1rem;
+      box-sizing: border-box;
+      position: relative;
+      z-index: 0;
+      clear: both;
+    }
+    .cli-panel.open { display: block; }
+    .cli-pane { display: none; }
+    .cli-pane.active { display: block; }
+    .step-card[aria-labelledby="step1-title"] .step-body {
+      align-items: stretch;
+    }
+    .step-card[aria-labelledby="step1-title"] .app-links {
+      width: 100%;
+    }
+    #withdraw {
+      position: relative;
+      z-index: 1;
+    }
+    .cli-panel .cli-lead {
+      margin: 0 0 0.75rem;
+      color: var(--muted);
+      font-size: 0.86rem;
+      line-height: 1.4;
+    }
+    .cli-panel a {
+      color: #e8c878;
+      text-decoration: none;
+      border-bottom: 1px solid rgba(232, 168, 56, 0.35);
+    }
+    .cli-panel a:hover {
+      color: #f0d090;
+      border-bottom-color: #e8c878;
+    }
+    .cli-panel .cli-h {
+      margin: 0.85rem 0 0.35rem;
+      font-size: 0.78rem;
+      font-weight: 750;
+      letter-spacing: 0.04em;
+      text-transform: uppercase;
+      color: #f0c86a;
+    }
+    .cli-panel .cli-h:first-of-type { margin-top: 0.15rem; }
+    .cli-panel .cli-note {
+      margin: 0 0 0.45rem;
+      color: var(--muted);
+      font-size: 0.8rem;
+      line-height: 1.4;
+    }
+    /* Allow selecting/copying individual lines (not whole block at once) */
+    .cli-block {
+      margin: 0 0 0.35rem;
+      padding: 0.65rem 0.7rem;
+      border-radius: 10px;
+      background: rgba(0, 0, 0, 0.45);
+      border: 1px solid rgba(240, 200, 106, 0.22);
+      color: #e8e0d0;
+      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
+      font-size: 0.7rem;
+      line-height: 1.45;
+      overflow-x: auto;
+      white-space: pre;
+      -webkit-overflow-scrolling: touch;
+      -webkit-user-select: text;
+      user-select: text;
+      cursor: text;
+    }
+    .cli-block .cmt { color: #8a9a90; }
+    .cli-block .hi { color: #5eead4; }
+
     /* Optional block: collapsed by default, expand like settlement / wallet fold */
     .more-section {
       margin-top: 1.5rem;
@@ -836,7 +987,7 @@
       <span class="badge">Intergalactic · GOA · no IBAN</span>
       <h1>GOA Exploration Bank</h1>
       <p class="sub">
-        <strong>One QR</strong> withdraws GOA from a
+        Get your <strong>GOA in one step</strong> from the
         <strong>shared bank account</strong> into your wallet — no registration.
       </p>
     </header>
@@ -897,6 +1048,160 @@
             </span>
             Web browsers (experimental)
           </a>
+          <!-- Linux (left) · POSIX (right) — same expand area below -->
+          <div class="cli-tech-row" role="group" aria-label="Command-line wallet paths">
+            <button type="button" class="app-btn hub cli-toggle" id="deb-cli-toggle"
+                    aria-expanded="false" aria-controls="cli-shared-body"
+                    data-cli-pane="cli-pane-deb"
+                    aria-label="Debian/Ubuntu · Command line">
+              <svg class="app-ico browser-ico penguin-ico" viewBox="0 0 24 24" width="20" height="20" role="img" aria-label="Linux penguin">
+                <path fill="#f0c86a" d="M12 2.8c-2.2 0-3.8 1.7-3.8 3.6 0 .5.1 1 .3 1.4C6.4 8.8 5 11 5 13.6c0 2.6 1.3 4.5 3.2 5.6-.2.5-.3 1-.3 1.5 0 1.2.9 2.2 2.2 2.2.7 0 1.3-.3 1.7-.8.4.1.8.2 1.2.2s.8-.1 1.2-.2c.4.5 1 .8 1.7.8 1.3 0 2.2-1 2.2-2.2 0-.5-.1-1-.3-1.5 1.9-1.1 3.2-3 3.2-5.6 0-2.6-1.4-4.8-3.5-5.8.2-.4.3-.9.3-1.4C15.8 4.5 14.2 2.8 12 2.8z"/>
+                <ellipse cx="12" cy="14.5" rx="3.2" ry="4.2" fill="#1a1410" opacity="0.28"/>
+                <circle cx="10.4" cy="6.6" r="0.75" fill="#1a1410"/>
+                <circle cx="13.6" cy="6.6" r="0.75" fill="#1a1410"/>
+                <path fill="#e8a838" d="M11.2 8 12 9.4 12.8 8z"/>
+                <ellipse cx="9.2" cy="21.2" rx="1.8" ry="0.9" fill="#e8a838"/>
+                <ellipse cx="14.8" cy="21.2" rx="1.8" ry="0.9" fill="#e8a838"/>
+              </svg>
+              <span class="cli-label">Debian/Ubuntu · Command line</span>
+              <span class="cli-chevron" aria-hidden="true">›</span>
+            </button>
+            <button type="button" class="app-btn hub cli-toggle" id="unix-cli-toggle"
+                    aria-expanded="false" aria-controls="cli-shared-body"
+                    data-cli-pane="cli-pane-unix"
+                    aria-label="Unix / POSIX · from source">
+              <svg class="app-ico browser-ico console-ico" viewBox="0 0 24 24" width="20" height="20" aria-hidden="true">
+                <rect x="2.5" y="4" width="19" height="15" rx="2.2" fill="none" stroke="#f0c86a" stroke-width="1.7"/>
+                <path d="M6.5 9.2 9.8 12 6.5 14.8" fill="none" stroke="#f0c86a" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/>
+                <path d="M11.5 14.8h5.2" fill="none" stroke="#f0c86a" stroke-width="1.7" stroke-linecap="round"/>
+              </svg>
+              <span class="cli-label">Unix / POSIX · from source</span>
+              <span class="cli-chevron" aria-hidden="true">›</span>
+            </button>
+          </div>
+        </div>
+
+        <!-- Shared expand area under both tech buttons (sibling of app-links; above withdraw) -->
+        <div class="cli-panel" id="cli-shared-body" hidden>
+          <div class="cli-pane" id="cli-pane-deb">
+            <p class="cli-lead">
+              <strong>Usual path on Debian &amp; Ubuntu:</strong> install the prebuilt
+              <a href="https://docs.taler.net/manpages/taler-wallet-cli.1.html" target="_blank" rel="noopener noreferrer"><strong>taler-wallet-cli</strong></a>
+              package from
+              <a href="https://deb.taler.net/" target="_blank" rel="noopener noreferrer">deb.taler.net</a>
+              — no compile. Then withdraw &amp; pay with the shell recipes below.
+            </p>
+
+            <p class="cli-h">1 · Install</p>
+            <p class="cli-note">
+              Add the GNU Taler apt source for your release from
+              <a href="https://deb.taler.net/" target="_blank" rel="noopener noreferrer">deb.taler.net</a>
+              (key + <code>sources.list</code> line), then:
+            </p>
+            <pre class="cli-block"><span class="cmt"># after the Taler apt source is configured</span>
+sudo apt-get update
+sudo apt-get install -y taler-wallet-cli
+taler-wallet-cli --version</pre>
+
+            <p class="cli-h">2 · Withdraw &amp; pay (shared pool)</p>
+            <pre class="cli-block"><span class="cmt"># after package install — taler-wallet-cli is on PATH</span>
+export EX=https://exchange.hacktivism.ch/
+export WDB="$HOME/.local/share/taler-wallet-goa.sqlite3"
+mkdir -p "$(dirname "$WDB")"
+alias tw='taler-wallet-cli --wallet-db="$WDB" --no-throttle'
+
+tw exchanges add "$EX" || true
+tw exchanges update "$EX" || true
+tw exchanges accept-tos "$EX"
+
+WURI=$(curl -fsS https://bank.hacktivism.ch/intro/demo-withdraw.json \
+  | python3 -c 'import sys,json;print(json.load(sys.stdin)["taler_withdraw_uri"])')
+tw withdraw accept-uri --exchange "$EX" "$WURI"
+tw run-until-done
+tw balance
+
+PAY=taler://pay-template/taler.hacktivism.ch/instances/goa-shop/orbit-sticker
+tw handle-uri --yes --non-interactive "$PAY"
+tw run-until-done
+tw balance</pre>
+          </div>
+
+          <div class="cli-pane" id="cli-pane-unix">
+            <p class="cli-lead">
+              <strong>Other Unix / POSIX systems</strong> (and anyone who prefers source):
+              there is usually <em>no</em> distro package — build
+              <a href="https://docs.taler.net/manpages/taler-wallet-cli.1.html" target="_blank" rel="noopener noreferrer"><strong>taler-wallet-cli</strong></a>
+              from the monorepo on
+              <a href="https://git.taler.net/" target="_blank" rel="noopener noreferrer">git.taler.net</a>
+              (<code>taler-typescript-core</code> → <code>packages/taler-wallet-cli</code>),
+              or run the compiled <code>.mjs</code> with Node without a system install.
+            </p>
+
+            <p class="cli-h">1 · Packages you usually need (build)</p>
+            <p class="cli-note">
+              <strong>Typical:</strong> <code>git</code>, <code>curl</code>,
+              <code>python3</code> (≥&nbsp;3.8), <code>nodejs</code> (≥&nbsp;20),
+              <code>npm</code>, <code>pnpm</code> (≥&nbsp;11 — often
+              <code>npm install -g pnpm</code>), <code>jq</code>, <code>zip</code>.
+              <strong>At runtime</strong> for the GOA recipes: <code>curl</code>,
+              <code>python3</code>, and either <code>taler-wallet-cli</code> on
+              <code>PATH</code> or <code>node</code> + the <code>.mjs</code> file.
+            </p>
+            <pre class="cli-block"><span class="cmt"># example on a Debian-like host used only as a build box</span>
+sudo apt-get update
+sudo apt-get install -y git curl python3 nodejs npm jq zip
+sudo npm install -g pnpm
+<span class="cmt"># Fedora/RHEL-ish: dnf install git curl python3 nodejs npm jq zip  (then npm i -g pnpm)</span>
+<span class="cmt"># macOS: brew install git python node jq  (then npm i -g pnpm)</span></pre>
+
+            <p class="cli-h">2 · Clone, compile, install <em>or</em> just run</p>
+            <pre class="cli-block"><span class="cmt">#!/bin/sh</span>
+set -eu
+git clone https://git.taler.net/taler-typescript-core.git
+<span class="cmt"># or: git clone git://git.taler.net/taler-typescript-core.git</span>
+cd taler-typescript-core
+
+./bootstrap
+./configure          <span class="cmt"># optional: --prefix="$HOME/.local"</span>
+make
+<span class="cmt"># optional system install:  make install</span>
+
+pnpm install
+pnpm run compile
+
+<span class="cmt"># just use without install (usual for day-to-day dev):</span>
+WCLI="$PWD/packages/taler-wallet-cli/bin/taler-wallet-cli.mjs"
+node "$WCLI" --version</pre>
+
+            <p class="cli-h">3 · Withdraw &amp; pay (POSIX <code>sh</code>)</p>
+            <pre class="cli-block"><span class="cmt">#!/bin/sh</span>
+set -eu
+: "${HOME?HOME is unset}"
+EX=https://exchange.hacktivism.ch/
+BANK=https://bank.hacktivism.ch
+MER=taler.hacktivism.ch
+WDB=${WDB:-$HOME/.local/share/taler-wallet-goa.sqlite3}
+mkdir -p "$(dirname "$WDB")"
+
+<span class="cmt"># package/install path:</span>
+<span class="cmt"># tw() { taler-wallet-cli --wallet-db="$WDB" --no-throttle "$@"; }</span>
+<span class="cmt"># monorepo path (no make install):</span>
+WCLI=${WCLI:-$HOME/src/taler-typescript-core/packages/taler-wallet-cli/bin/taler-wallet-cli.mjs}
+tw() { node "$WCLI" --wallet-db="$WDB" --no-throttle "$@"; }
+
+tw exchanges add "$EX" || true
+tw exchanges update "$EX" || true
+tw exchanges accept-tos "$EX"
+WURI=$(curl -fsS "$BANK/intro/demo-withdraw.json" \
+  | python3 -c 'import sys,json;print(json.load(sys.stdin)["taler_withdraw_uri"])')
+tw withdraw accept-uri --exchange "$EX" "$WURI"
+tw run-until-done
+tw balance
+PAY="taler://pay-template/$MER/instances/goa-shop/orbit-sticker"
+tw handle-uri --yes --non-interactive "$PAY"
+tw run-until-done
+tw balance</pre>
+          </div>
         </div>
       </div>
     </section>
@@ -904,7 +1209,7 @@
     <!-- ========== STEP 2: one-click community pool withdraw (compact) ========== -->
     <section class="step-card step-money" id="withdraw" aria-labelledby="step2-title">
       <h2 id="step2-title"><span class="step-num">2</span> Withdraw GOA</h2>
-      <p class="step-tagline">One QR · shared pool · no registration</p>
+      <p class="step-tagline">One step · shared pool · no registration</p>
       <div class="step-body">
         <div class="qr-taler-wrap">
           <div class="goa-pay-taler-qr" id="qr-withdraw-demo-wrap">
@@ -1320,6 +1625,52 @@
       });
     }
     wireFold("how-fold", "how-fold-toggle", "how-fold-body");
+    (function wireCliFolds() {
+      var panel = document.getElementById("cli-shared-body");
+      var btns = [
+        document.getElementById("deb-cli-toggle"),
+        document.getElementById("unix-cli-toggle")
+      ].filter(Boolean);
+      if (!panel || !btns.length) return;
+      var panes = panel.querySelectorAll(".cli-pane");
+
+      function showPane(paneId) {
+        for (var i = 0; i < panes.length; i++) {
+          panes[i].classList.toggle("active", panes[i].id === paneId);
+        }
+      }
+      function setExpanded(activeBtn) {
+        for (var i = 0; i < btns.length; i++) {
+          btns[i].setAttribute(
+            "aria-expanded",
+            btns[i] === activeBtn ? "true" : "false"
+          );
+        }
+      }
+      function closeAll() {
+        panel.classList.remove("open");
+        panel.setAttribute("hidden", "");
+        for (var i = 0; i < panes.length; i++) panes[i].classList.remove("active");
+        setExpanded(null);
+      }
+
+      btns.forEach(function (btn) {
+        btn.addEventListener("click", function () {
+          var paneId = btn.getAttribute("data-cli-pane");
+          var already =
+            panel.classList.contains("open") &&
+            btn.getAttribute("aria-expanded") === "true";
+          if (already) {
+            closeAll();
+            return;
+          }
+          showPane(paneId);
+          panel.classList.add("open");
+          panel.removeAttribute("hidden");
+          setExpanded(btn);
+        });
+      });
+    })();
     var paintWebuiQrOnce = (function () {
       var webuiPainted = false;
       return function () {