Add chat/askQuestion support

- Forward chat:ask-question SSE events to webview
- Route chat/answerQuestion from webview to REST API
- Add answerQuestion method to API client
- Update eca-webview submodule with question UI

🤖 Generated with [eca](https://eca.dev)

Co-Authored-By: eca-agent <git@eca.dev>

Author: ericdallo

eca-webview

@@ -230,6 +230,18 @@ export class EcaRemoteApi {
     });
   }
 
+  // ---------------------------------------------------------------------------
+  // Ask Question (chat/askQuestion flow)
+  // ---------------------------------------------------------------------------
+
+  /** Answer a pending question from the server (identified by requestId). */
+  async answerQuestion(requestId: string, answer: string | null, cancelled?: boolean): Promise<void> {
+    return this.request('/answer', {
+      method: 'POST',
+      body: { requestId, answer: answer ?? null, cancelled: !!cancelled },
+    });
+  }
+
   // ---------------------------------------------------------------------------
   // Trust
   // ---------------------------------------------------------------------------

src/bridge/api.ts

@@ -100,6 +100,10 @@ export async function handleOutbound(
         await api.forkChat(data.chatId, data.contentId);
         break;
 
+      case 'chat/answerQuestion':
+        await api.answerQuestion(data.requestId, data.answer, data.cancelled);
+        break;
+
       // --- Config changes (apply to current chat) ---
       case 'chat/selectedModelChanged':
         await withCurrentChat(ctx, (chatId) => api.changeModel(chatId, data.model));

src/bridge/outbound-handler.ts

@@ -719,6 +719,10 @@ export class WebBridge {
           break;
         }
 
+        case 'chat:ask-question':
+          this.dispatch('chat/askQuestion', data);
+          break;
+
         case 'jobs:updated':
           this.dispatch('jobs/updated', data);
           break;

src/bridge/transport.ts

@@ -165,6 +165,7 @@ export type SSEEventType =
   | 'chat:cleared'
   | 'chat:deleted'
   | 'chat:status-changed'
+  | 'chat:ask-question'
   | 'config:updated'
   | 'tool:server-updated'
   | 'trust:updated'
@@ -247,6 +248,7 @@ export type OutboundMessage =
   | { type: 'chat/addFlag'; data: { chatId: string; contentId: string } }
   | { type: 'chat/removeFlag'; data: { chatId: string; contentId: string } }
   | { type: 'chat/fork'; data: { chatId: string; contentId: string } }
+  | { type: 'chat/answerQuestion'; data: { requestId: string; answer: string | null; cancelled: boolean } }
   | { type: 'chat/selectedModelChanged'; data: { model: string } }
   | { type: 'chat/selectedAgentChanged'; data: { agent: string } }
   | { type: 'chat/selectedVariantChanged'; data: { variant: string } }
@@ -334,6 +336,7 @@ export type DispatchType =
   | 'chat/cleared'
   | 'chat/deleted'
   | 'chat/opened'
+  | 'chat/askQuestion'
   | 'chat/queryContext'
   | 'chat/queryCommands'
   | 'chat/queryFiles'