From c933eb699ceaba39454394cdf2b68175054ac0f1 Mon Sep 17 00:00:00 2001
From: rcourtman <courtmanr@gmail.com>
Date: Fri, 24 Oct 2025 22:43:18 +0000
Subject: [PATCH] Align settings cards and add manual host install

---
 .../src/components/Settings/DockerAgents.tsx  | 154 +++++++++---------
 .../src/components/Settings/HostAgents.tsx    | 100 ++++++++++++
 2 files changed, 177 insertions(+), 77 deletions(-)

diff --git a/frontend-modern/src/components/Settings/DockerAgents.tsx b/frontend-modern/src/components/Settings/DockerAgents.tsx
index 3be762c..4348b07 100644
--- a/frontend-modern/src/components/Settings/DockerAgents.tsx
+++ b/frontend-modern/src/components/Settings/DockerAgents.tsx
@@ -365,94 +365,94 @@ WantedBy=multi-user.target`;
   };
 
   return (
-    <div class="space-y-8">
-        <Card class="space-y-5">
-          <div>
+    <div class="space-y-6">
+        <Card padding="lg" class="space-y-5">
+          <div class="space-y-1">
             <h3 class="text-base font-semibold text-gray-900 dark:text-gray-100">Add a Docker host</h3>
             <p class="text-sm text-gray-600 dark:text-gray-400">
               Run this command as root on your Docker host to start monitoring.
             </p>
           </div>
 
-          <Show when={requiresToken()}>
-            <div class="space-y-3">
-              <div class="space-y-1">
-                <p class="text-sm font-semibold text-gray-900 dark:text-gray-100">Generate API token</p>
-                <p class="text-sm text-gray-600 dark:text-gray-400">
-                  Create a fresh token scoped to <code>{DOCKER_REPORT_SCOPE}</code>
+          <div class="space-y-5">
+            <Show when={requiresToken()}>
+              <div class="space-y-3">
+                <div class="space-y-1">
+                  <p class="text-sm font-semibold text-gray-900 dark:text-gray-100">Generate API token</p>
+                  <p class="text-sm text-gray-600 dark:text-gray-400">
+                    Create a fresh token scoped to <code>{DOCKER_REPORT_SCOPE}</code>
+                  </p>
+                </div>
+
+                <div class="flex gap-2">
+                  <input
+                    type="text"
+                    value={tokenName()}
+                    onInput={(e) => setTokenName(e.currentTarget.value)}
+                    onKeyDown={(e) => {
+                      if (e.key === 'Enter' && !isGeneratingToken()) {
+                        handleGenerateToken();
+                      }
+                    }}
+                    placeholder="Token name (optional)"
+                    class="flex-1 rounded-lg border border-gray-300 bg-white px-3 py-2 text-sm text-gray-900 shadow-sm focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-200 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-100 dark:focus:border-blue-400 dark:focus:ring-blue-900/60"
+                  />
+                  <button
+                    type="button"
+                    onClick={handleGenerateToken}
+                    disabled={isGeneratingToken()}
+                    class="inline-flex items-center justify-center gap-2 rounded-lg bg-blue-600 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-60"
+                  >
+                    {isGeneratingToken() ? 'Generating…' : currentToken() ? 'Generate another' : 'Generate token'}
+                  </button>
+                </div>
+
+                <Show when={latestRecord()}>
+                  <div class="flex items-center gap-2 rounded-lg border border-blue-200 bg-blue-50 px-4 py-2 text-xs text-blue-800 dark:border-blue-800 dark:bg-blue-900/20 dark:text-blue-200">
+                    <svg class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                      <path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" />
+                    </svg>
+                    <span>
+                      Token <strong>{latestRecord()?.name}</strong> created and inserted into the command below.
+                    </span>
+                  </div>
+                </Show>
+              </div>
+            </Show>
+
+            <Show when={showInstallCommand()}>
+              <div class="space-y-3">
+                <div class="flex items-center justify-between">
+                  <label class="text-sm font-semibold text-gray-900 dark:text-gray-100">Install command</label>
+                  <button
+                    type="button"
+                    onClick={async () => {
+                      const command = getInstallCommandTemplate().replace(TOKEN_PLACEHOLDER, currentToken() || TOKEN_PLACEHOLDER);
+                      const success = await copyToClipboard(command);
+                      if (typeof window !== 'undefined' && window.showToast) {
+                        window.showToast(success ? 'success' : 'error', success ? 'Copied!' : 'Failed to copy');
+                      }
+                    }}
+                    class="px-3 py-1.5 text-xs font-medium rounded-lg transition-colors bg-blue-600 text-white hover:bg-blue-700"
+                  >
+                    Copy command
+                  </button>
+                </div>
+                <pre class="overflow-x-auto rounded-md bg-gray-900/90 p-3 text-xs text-gray-100">
+                  <code>{getInstallCommandTemplate().replace(TOKEN_PLACEHOLDER, currentToken() || TOKEN_PLACEHOLDER)}</code>
+                </pre>
+                <p class="text-xs text-gray-500 dark:text-gray-400">
+                  Run as root on your Docker host. The installer downloads the agent, creates a systemd service, and starts reporting automatically.
                 </p>
               </div>
+            </Show>
 
-              <div class="flex gap-2">
-                <input
-                  type="text"
-                  value={tokenName()}
-                  onInput={(e) => setTokenName(e.currentTarget.value)}
-                  onKeyDown={(e) => {
-                    if (e.key === 'Enter' && !isGeneratingToken()) {
-                      handleGenerateToken();
-                    }
-                  }}
-                  placeholder="Token name (optional)"
-                  class="flex-1 rounded-lg border border-gray-300 bg-white px-3 py-2 text-sm text-gray-900 shadow-sm focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-200 dark:border-gray-700 dark:bg-gray-900 dark:text-gray-100 dark:focus:border-blue-400 dark:focus:ring-blue-900/60"
-                />
-                <button
-                  type="button"
-                  onClick={handleGenerateToken}
-                  disabled={isGeneratingToken()}
-                  class="inline-flex items-center justify-center gap-2 rounded-lg bg-blue-600 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-blue-700 disabled:cursor-not-allowed disabled:opacity-60"
-                >
-                  {isGeneratingToken() ? 'Generating…' : currentToken() ? 'Generate another' : 'Generate token'}
-                </button>
-              </div>
-
-              <Show when={latestRecord()}>
-                <div class="flex items-center gap-2 rounded-lg border border-green-200 bg-green-50 px-4 py-2 text-xs text-green-800 dark:border-green-800 dark:bg-green-900/20 dark:text-green-200">
-                  <svg class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-                    <path stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7" />
-                  </svg>
-                  <span>
-                    Token <strong>{latestRecord()?.name}</strong> created and inserted into the command below.
-                  </span>
-                </div>
-              </Show>
-            </div>
-          </Show>
-
-          <Show when={showInstallCommand()}>
-            <div class="space-y-2">
-              <div class="flex items-center justify-between">
-                <label class="text-sm font-semibold text-gray-900 dark:text-gray-100">Install command</label>
-                <button
-                  type="button"
-                  onClick={async () => {
-                    const command = getInstallCommandTemplate().replace(TOKEN_PLACEHOLDER, currentToken() || TOKEN_PLACEHOLDER);
-                    const success = await copyToClipboard(command);
-                    if (typeof window !== 'undefined' && window.showToast) {
-                      window.showToast(success ? 'success' : 'error', success ? 'Copied!' : 'Failed to copy');
-                    }
-                  }}
-                  class="px-3 py-1.5 text-xs font-medium rounded-lg transition-colors bg-blue-600 text-white hover:bg-blue-700"
-                >
-                  Copy command
-                </button>
-              </div>
-              <div class="relative rounded-lg border border-gray-300 dark:border-gray-600 bg-gray-50 dark:bg-gray-900 p-3 overflow-x-auto">
-                <code class="text-sm text-gray-900 dark:text-gray-100 font-mono break-all">
-                  {getInstallCommandTemplate().replace(TOKEN_PLACEHOLDER, currentToken() || TOKEN_PLACEHOLDER)}
-                </code>
-              </div>
+            <Show when={requiresToken() && !currentToken()}>
               <p class="text-xs text-gray-500 dark:text-gray-400">
-                Run as root on your Docker host. The installer downloads the agent, creates a systemd service, and starts reporting automatically.
+                Generate a token to see the install command.
               </p>
-            </div>
-          </Show>
-
-          <Show when={requiresToken() && !currentToken()}>
-            <p class="text-xs text-gray-500 dark:text-gray-400">
-              Generate a token to see the install command.
-            </p>
-          </Show>
+            </Show>
+          </div>
 
           <details class="rounded-lg border border-gray-200 bg-gray-50 px-4 py-3 text-sm text-gray-700 dark:border-gray-700 dark:bg-gray-800/50 dark:text-gray-300">
             <summary class="cursor-pointer text-sm font-medium text-gray-900 dark:text-gray-100">
diff --git a/frontend-modern/src/components/Settings/HostAgents.tsx b/frontend-modern/src/components/Settings/HostAgents.tsx
index 53c7a29..3bd36f3 100644
--- a/frontend-modern/src/components/Settings/HostAgents.tsx
+++ b/frontend-modern/src/components/Settings/HostAgents.tsx
@@ -234,6 +234,28 @@ export const HostAgents: Component = () => {
     return currentToken() || 'disabled';
   };
 
+  const getSystemdServiceUnit = () => `[Unit]
+Description=Pulse Host Agent
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/pulse-host-agent --url ${pulseUrl()} --token ${resolvedToken()} --interval 30s
+Restart=always
+RestartSec=5s
+User=root
+
+[Install]
+WantedBy=multi-user.target`;
+
+  const getManualUninstallCommand = () =>
+    `sudo systemctl stop pulse-host-agent && \\
+sudo systemctl disable pulse-host-agent && \\
+sudo rm -f /etc/systemd/system/pulse-host-agent.service && \\
+sudo rm -f /usr/local/bin/pulse-host-agent && \\
+sudo systemctl daemon-reload`;
+
   return (
     <div class="space-y-6">
       <Card padding="lg" class="space-y-5">
@@ -365,6 +387,84 @@ export const HostAgents: Component = () => {
                     )}
                   </For>
                 </div>
+                <details class="rounded-lg border border-gray-200 bg-gray-50 px-4 py-3 text-sm text-gray-700 dark:border-gray-700 dark:bg-gray-800/50 dark:text-gray-300">
+                  <summary class="cursor-pointer text-sm font-medium text-gray-900 dark:text-gray-100">
+                    Advanced options (manual install & uninstall)
+                  </summary>
+                  <div class="mt-3 space-y-4">
+                    <div class="space-y-3 rounded-lg border border-gray-200 bg-white p-3 text-xs dark:border-gray-700 dark:bg-gray-900">
+                      <p class="font-medium text-gray-900 dark:text-gray-100">Manual Linux install</p>
+                      <p class="text-xs text-gray-500 dark:text-gray-400">
+                        Build the agent from source and manage the service yourself instead of using the helper script.
+                      </p>
+                      <p class="font-medium text-gray-900 dark:text-gray-100">1. Build the binary</p>
+                      <div class="rounded bg-gray-900 p-3 font-mono text-xs text-gray-100 dark:bg-gray-950">
+                        <code>
+                          cd /opt/pulse
+                          <br />
+                          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o pulse-host-agent ./cmd/pulse-host-agent
+                        </code>
+                      </div>
+                      <p class="font-medium text-gray-900 dark:text-gray-100">2. Copy to host</p>
+                      <div class="rounded bg-gray-900 p-3 font-mono text-xs text-gray-100 dark:bg-gray-950">
+                        <code>
+                          scp pulse-host-agent user@host:/usr/local/bin/
+                          <br />
+                          ssh user@host sudo chmod +x /usr/local/bin/pulse-host-agent
+                        </code>
+                      </div>
+                      <p class="font-medium text-gray-900 dark:text-gray-100">3. Systemd service template</p>
+                      <div class="relative">
+                        <button
+                          type="button"
+                          onClick={async () => {
+                            const success = await copyToClipboard(getSystemdServiceUnit());
+                            if (typeof window !== 'undefined' && window.showToast) {
+                              window.showToast(success ? 'success' : 'error', success ? 'Copied to clipboard' : 'Failed to copy to clipboard');
+                            }
+                          }}
+                          class="absolute right-2 top-2 rounded-lg bg-gray-700 px-3 py-1.5 text-xs font-medium text-gray-200 transition-colors hover:bg-gray-600"
+                        >
+                          Copy
+                        </button>
+                        <div class="rounded bg-gray-900 p-3 font-mono text-xs text-gray-100 dark:bg-gray-950 overflow-x-auto">
+                          <pre>{getSystemdServiceUnit()}</pre>
+                        </div>
+                      </div>
+                      <p class="font-medium text-gray-900 dark:text-gray-100">4. Enable & start</p>
+                      <div class="rounded bg-gray-900 p-3 font-mono text-xs text-gray-100 dark:bg-gray-950">
+                        <code>
+                          sudo systemctl daemon-reload
+                          <br />
+                          sudo systemctl enable --now pulse-host-agent
+                        </code>
+                      </div>
+                    </div>
+                    <div>
+                      <p class="text-xs uppercase tracking-wide text-gray-500 dark:text-gray-400">Manual uninstall</p>
+                      <div class="mt-2 flex flex-col gap-2 sm:flex-row sm:items-center sm:gap-3">
+                        <code class="flex-1 break-all rounded bg-gray-900 px-3 py-2 font-mono text-xs text-gray-100 dark:bg-gray-950">
+                          {getManualUninstallCommand()}
+                        </code>
+                        <button
+                          type="button"
+                          onClick={async () => {
+                            const success = await copyToClipboard(getManualUninstallCommand());
+                            if (typeof window !== 'undefined' && window.showToast) {
+                              window.showToast(success ? 'success' : 'error', success ? 'Copied to clipboard' : 'Failed to copy to clipboard');
+                            }
+                          }}
+                          class="self-start rounded-lg bg-red-50 px-3 py-1.5 text-xs font-medium text-red-700 transition-colors hover:bg-red-100 dark:bg-red-900/30 dark:text-red-300 dark:hover:bg-red-900/50"
+                        >
+                          Copy
+                        </button>
+                      </div>
+                      <p class="mt-2 text-xs text-gray-500 dark:text-gray-400">
+                        Stops the agent, removes the systemd unit, and deletes the binary.
+                      </p>
+                    </div>
+                  </div>
+                </details>
               </div>
             </Show>