(ui) Standardize primary form actions

Add shared form action styling and consistent Cancel links across config,
schedule, and SSH key forms so create/edit flows behave predictably.

Refs #25

src/pobsync_backend/templates/pobsync_backend/base.html

@@ -280,6 +280,17 @@
 	    }
     button.secondary:hover,
     .button-link.secondary:hover { background: #eef3f8; }
+    button.danger,
+    .button-link.danger {
+      background: var(--failed);
+      border-color: var(--failed);
+      color: #fff;
+    }
+    button.danger:hover,
+    .button-link.danger:hover {
+      background: #842828;
+      border-color: #842828;
+    }
     button.compact,
     .button-link.compact {
       font-size: 12px;
@@ -679,6 +690,16 @@
 	    .message.error { border-color: #e8b4b4; background: #fff0f0; color: var(--failed); }
 	    .message.warning { border-color: #e7cf8a; background: #fff8df; color: var(--running); }
 	    .form-grid { display: grid; gap: 15px; max-width: 720px; }
+	    .form-actions {
+	      align-items: center;
+	      border-top: 1px solid var(--border);
+	      display: flex;
+	      flex-wrap: wrap;
+	      gap: 10px;
+	      margin-top: 4px;
+	      padding-top: 15px;
+	    }
+	    .form-actions .button-link.secondary { margin-left: auto; }
 	    .field { display: grid; gap: 6px; }
 	    .field label { font-weight: 700; }
 	    .field input[type="text"], .field input[type="number"], .field select, .field textarea {
@@ -736,6 +757,7 @@
       .host-control-grid { grid-template-columns: 1fr; }
       .schedule-row { grid-template-columns: 1fr; }
       .schedule-time { justify-items: start; text-align: left; }
+	      .form-actions .button-link.secondary { margin-left: 0; }
 	      .host-card-header { display: grid; }
       .host-card-status { justify-content: flex-start; max-width: none; }
       .host-card-layout { grid-template-columns: 1fr; }

src/pobsync_backend/templates/pobsync_backend/global_form.html

@@ -33,8 +33,9 @@
         </div>
       {% endfor %}
 
-      <div class="actions">
+      <div class="form-actions">
         <button type="submit">Save global config</button>
+        <a class="button-link secondary" href="{% url 'dashboard' %}">Cancel</a>
       </div>
     </form>
   </section>

src/pobsync_backend/templates/pobsync_backend/host_form.html

@@ -33,8 +33,13 @@
         </div>
       {% endfor %}
 
-      <div class="actions">
+      <div class="form-actions">
         <button type="submit">{% if host %}Save config{% else %}Create host{% endif %}</button>
+        {% if host %}
+          <a class="button-link secondary" href="{% url 'host_detail' host.host %}">Cancel</a>
+        {% else %}
+          <a class="button-link secondary" href="{% url 'dashboard' %}">Cancel</a>
+        {% endif %}
       </div>
     </form>
   </section>

src/pobsync_backend/templates/pobsync_backend/schedule_form.html

@@ -30,8 +30,9 @@
         </div>
       {% endfor %}
 
-      <div class="actions">
+      <div class="form-actions">
         <button type="submit">Save schedule</button>
+        <a class="button-link secondary" href="{% url 'host_detail' host.host %}">Cancel</a>
       </div>
     </form>
   </section>

src/pobsync_backend/templates/pobsync_backend/ssh_credential_form.html

@@ -41,8 +41,9 @@
         </div>
       {% endfor %}
 
-      <div class="actions">
+      <div class="form-actions">
         <button type="submit">{% if credential %}Save SSH key{% else %}Create SSH key{% endif %}</button>
+        <a class="button-link secondary" href="{% url 'ssh_credentials' %}">Cancel</a>
       </div>
     </form>
   </section>
@@ -64,7 +65,9 @@
           <label for="confirm_name">Confirm key name</label>
           <input id="confirm_name" name="confirm_name" type="text" {% if credential.hosts.exists or credential.global_configs.exists %}disabled{% endif %}>
         </div>
+        <div class="form-actions">
           <button type="submit" class="danger" {% if credential.hosts.exists or credential.global_configs.exists %}disabled{% endif %}>Delete SSH key</button>
+        </div>
       </form>
     </section>
   {% endif %}

src/pobsync_backend/templates/pobsync_backend/ssh_credential_generate.html

@@ -29,8 +29,9 @@
         </div>
       {% endfor %}
 
-      <div class="actions">
+      <div class="form-actions">
         <button type="submit">Generate SSH key</button>
+        <a class="button-link secondary" href="{% url 'ssh_credentials' %}">Cancel</a>
       </div>
     </form>
   </section>

src/pobsync_backend/tests/test_views.py

@@ -542,6 +542,19 @@ class ViewTests(TestCase):
         self.assertEqual(credential.private_key, "UPLOADED PRIVATE KEY\n")
         self.assertEqual(credential.public_key, "DERIVED PUBLIC KEY")
 
+    def test_ssh_credential_forms_render_cancel_actions(self) -> None:
+        self.client.force_login(self.staff_user)
+        credential = SshCredential.objects.create(name="backup-key")
+
+        create_response = self.client.get(reverse("create_ssh_credential"))
+        edit_response = self.client.get(reverse("edit_ssh_credential", args=[credential.id]))
+        generate_response = self.client.get(reverse("generate_ssh_credential"))
+
+        for response in (create_response, edit_response, generate_response):
+            self.assertEqual(response.status_code, 200)
+            self.assertContains(response, "Cancel")
+            self.assertContains(response, reverse("ssh_credentials"))
+
     def test_ssh_credentials_view_generates_filesystem_key(self) -> None:
         self.client.force_login(self.staff_user)
         with TemporaryDirectory() as tmp, override_settings(POBSYNC_HOME=str(Path(tmp) / "home")):
@@ -746,6 +759,8 @@ class ViewTests(TestCase):
         self.assertContains(response, f'value="{credential.id}" selected')
         self.assertContains(response, "--archive")
         self.assertContains(response, "/proc/***")
+        self.assertContains(response, "Cancel")
+        self.assertContains(response, reverse("dashboard"))
 
     def test_global_config_form_renders_static_container_backup_root_on_edit(self) -> None:
         self.client.force_login(self.staff_user)
@@ -2142,6 +2157,8 @@ class ViewTests(TestCase):
         self.assertContains(response, "evaluated by the pobsync scheduler service")
         self.assertContains(response, "15 2 * * *")
         self.assertContains(response, "Save schedule")
+        self.assertContains(response, "Cancel")
+        self.assertContains(response, reverse("host_detail", args=[host.host]))
 
     def test_schedule_form_creates_schedule(self) -> None:
         self.client.force_login(self.staff_user)
@@ -2243,6 +2260,8 @@ class ViewTests(TestCase):
         self.assertContains(response, "/srv")
         self.assertContains(response, "*.tmp")
         self.assertContains(response, "--numeric-ids")
+        self.assertContains(response, "Cancel")
+        self.assertContains(response, reverse("host_detail", args=[host.host]))
 
     def test_host_config_form_renders_effective_config_check(self) -> None:
         self.client.force_login(self.staff_user)