feat: add URL-driven workspace state and streamed Codex research

e2e/fixtures/twitter.ts

@@ -1,24 +1,20 @@
-import type { TweetLegacy } from '../generated/twitter-openapi/client.ts'
+import type { TweetLegacy } from "../generated/twitter-openapi/client.ts";
 
 interface TweetLegacyFixtureOptions {
-  conversationId?: string
-  inReplyTo?: string
-  replyCount?: number
+  conversationId?: string;
+  inReplyTo?: string;
+  replyCount?: number;
 }
 
 export const tweetLegacyFixture = (
   id: string,
   text: string,
-  {
-    conversationId = id,
-    inReplyTo,
-    replyCount = 1,
-  }: TweetLegacyFixtureOptions = {},
+  { conversationId = id, inReplyTo, replyCount = 1 }: TweetLegacyFixtureOptions = {},
 ): TweetLegacy => ({
   bookmark_count: 0,
   bookmarked: false,
   conversation_id_str: conversationId,
-  created_at: 'Mon Jul 13 00:00:00 +0000 2026',
+  created_at: "Mon Jul 13 00:00:00 +0000 2026",
   display_text_range: [0, text.length],
   favorite_count: 3,
   favorited: false,
@@ -26,10 +22,10 @@ export const tweetLegacyFixture = (
   id_str: id,
   ...(inReplyTo ? { in_reply_to_status_id_str: inReplyTo } : {}),
   is_quote_status: false,
-  lang: 'ja',
+  lang: "ja",
   quote_count: 0,
   reply_count: replyCount,
   retweet_count: 2,
   retweeted: false,
-  user_id_str: '42',
-})
+  user_id_str: "42",
+});