fix: update git-remote-cospan install commands to brew panproto/tap

4848 				<p class="mt-2 text-xs text-text-secondary">
4949 					Install the helper and re-push:
5050 				</p>
51-				<pre class="mt-1 rounded bg-surface-0 px-2 py-1 text-[11px] font-mono text-text-primary overflow-x-auto"><code>brew install git-remote-cospan   # or: cargo install git-remote-cospan
52-git push panproto://did:plc:.../repo main</code></pre>
51+				<pre class="mt-1 rounded bg-surface-0 px-2 py-1 text-[11px] font-mono text-text-primary overflow-x-auto"><code>brew install panproto/tap/git-remote-cospan
52+# or: curl --proto '=https' --tlsv1.2 -LsSf https://github.com/panproto/panproto/releases/latest/download/git-remote-cospan-installer.sh | sh
53+# or: cargo install git-remote-cospan
54+
55+git remote set-url origin panproto://did:plc:.../repo
56+git push origin main</code></pre>
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171171 					<span class="text-sm font-medium text-blue-400">Structural diff unavailable</span>
172172 					<p class="mt-1 text-xs text-text-secondary">
173173 						These commits were pushed via plain <code class="font-mono">git push</code>, so no pre-parsed
174-						schemas are available. Install <code class="font-mono">git-remote-cospan</code> and re-push to
174+						schemas are available. Install <code class="font-mono">git-remote-cospan</code> and re-push via <code class="font-mono">panproto://</code> to
175175 						see scope-level changes, breaking change detection, and semantic diffs.
176176 					</p>
177+					<pre class="mt-2 rounded bg-surface-0 px-2 py-1 text-[11px] font-mono text-text-primary overflow-x-auto"><code>brew install panproto/tap/git-remote-cospan</code></pre>
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