fix: pass selected skills with key context

lib/app/app_controller_desktop_thread_actions.dart

@@ -424,9 +424,13 @@ extension AppControllerDesktopThreadActions on AppController {
         resumeSessionHint ||
         (appendUserTurn &&
             shouldResumeGatewaySessionForNextSendInternal(sessionKey));
+    final messageWithSkills = messageWithSelectedSkillsContextInternal(
+      message: message,
+      selectedSkillLabels: selectedSkillLabels,
+    );
     final taskPrompt = taskWorkspaceContextPromptInternal(
       sessionKey: sessionKey,
-      userPrompt: message,
+      userPrompt: messageWithSkills,
       workingDirectory: workingDirectory,
       remoteWorkingDirectoryHint: remoteWorkingDirectoryHint,
     );
@@ -493,6 +497,20 @@ extension AppControllerDesktopThreadActions on AppController {
     }
   }
 
+  String messageWithSelectedSkillsContextInternal({
+    required String message,
+    required List<String> selectedSkillLabels,
+  }) {
+    final labels = selectedSkillLabels
+        .map((item) => item.trim())
+        .where((item) => item.isNotEmpty)
+        .toList(growable: false);
+    if (labels.isEmpty || message.contains('Preferred skills:')) {
+      return message;
+    }
+    return 'Preferred skills:\n${labels.map((name) => '- $name').join('\n')}\n\n$message';
+  }
+
   String taskWorkspaceContextPromptInternal({
     required String sessionKey,
     required String userPrompt,

lib/features/assistant/assistant_page_components.dart

@@ -173,7 +173,7 @@ class AssistantTaskRailStateInternal extends State<AssistantTaskRailInternal> {
                     MetaPillInternal(
                       label:
                           '${appText('技能', 'Skills')} ${widget.controller.currentAssistantSkillCount}',
-                      icon: Icons.auto_awesome_rounded,
+                      icon: Icons.key_rounded,
                     ),
                   ],
                 ),

lib/features/assistant/assistant_page_composer_bar.dart

@@ -509,7 +509,7 @@ class ComposerBarStateInternal extends State<ComposerBarInternal> {
                             borderRadius: BorderRadius.circular(AppRadius.chip),
                             onTap: toggleSkillPickerInternal,
                             child: ComposerToolbarChipInternal(
-                              icon: Icons.auto_awesome_rounded,
+                              icon: Icons.key_rounded,
                               tooltip: skillsTooltipInternal(
                                 selectedSkills.length,
                               ),

lib/features/assistant/assistant_page_composer_skill_models.dart

@@ -54,7 +54,7 @@ ComposerSkillOptionInternal skillOptionFromGatewayInternal(
     label: label,
     description: description,
     sourceLabel: sourceLabel,
-    icon: Icons.auto_awesome_rounded,
+    icon: Icons.key_rounded,
   );
 }
 

lib/features/assistant/assistant_page_state_actions.dart

@@ -290,7 +290,13 @@ extension AssistantPageStateActionsInternal on AssistantPageStateInternal {
         option.key: option,
     };
     return selectedSkillKeysForInternal(controller)
-        .map((key) => optionsByKey[key]?.label)
+        .map((key) {
+          final option = optionsByKey[key];
+          if (option == null) {
+            return null;
+          }
+          return option.label == key ? key : '${option.label} ($key)';
+        })
         .whereType<String>()
         .toList(growable: false);
   }

test/runtime/assistant_execution_target_test.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:xworkmate/app/app_controller.dart';
 import 'package:xworkmate/app/app_controller_desktop_external_acp_routing.dart';
@@ -475,6 +476,47 @@ void main() {
         expect(option.key, 'browser-fetch');
         expect(option.label, 'Browser Fetch');
         expect(option.description, 'Bridge-managed browser skill');
+        expect(option.icon, Icons.key_rounded);
+      },
+    );
+
+    test(
+      'selected bridge skill is passed to task context with stable key',
+      () async {
+        final fakeGoTaskService = _RecordingGoTaskServiceClient();
+        final controller = _connectedGatewayController(fakeGoTaskService);
+        addTearDown(controller.dispose);
+        controller.skillsControllerInternal.itemsInternal =
+            const <GatewaySkillSummary>[
+              GatewaySkillSummary(
+                name: 'PDF Writer',
+                description: 'Write PDF documents',
+                source: 'openclaw-workspace',
+                skillKey: 'pdf',
+                primaryEnv: null,
+                eligible: true,
+                disabled: false,
+                missingBins: <String>[],
+                missingEnv: <String>[],
+                missingConfig: <String>[],
+              ),
+            ];
+        await _selectGatewaySession(controller, 'unit-skill-context-task');
+        await controller.toggleAssistantSkillForSession(
+          'unit-skill-context-task',
+          'pdf',
+        );
+
+        await controller.sendChatMessage(
+          '生成 PDF',
+          selectedSkillLabels: const <String>['PDF Writer (pdf)'],
+        );
+
+        expect(fakeGoTaskService.requests, hasLength(1));
+        final request = fakeGoTaskService.requests.single;
+        expect(request.selectedSkills, const <String>['PDF Writer (pdf)']);
+        expect(request.prompt, contains('Preferred skills:'));
+        expect(request.prompt, contains('- PDF Writer (pdf)'));
       },
     );