feat(composer): edit shared posts and share-to-squad in the new composer

[tsahimatsliah]

Changes

Two remaining old-composer surfaces move to SmartComposerModal: editing a shared post and sharing a post to a squad.

Editing a share in the composer

Editing a shared link still opened the old /posts/[id]/edit page, with the old top-toolbar editor, while every other composer surface had moved to SmartComposerModal.

Two reasons, not one:

1. PostOptionButton only routed Freeform and Welcome posts to the modal; everything else fell through to router.push('<permalink>/edit').
2. Even if it had routed there, the modal forced kind = 'text' whenever editPost was set — it had no way to represent a share.

What changed:

• Kind is derived from editPost.type instead of hard-coded to text.
• Commentary is prefilled the way the old page derived it: a share posted without commentary carries the shared post's own title, which is not the author's writing, so it is offered back as an empty field rather than as their text.
• The preview is seeded from editPost.sharedPost instead of being refetched — there is no URL being typed for it to resolve.
• The URL is locked (LinkForm isUrlLocked): only the commentary is editable, which is all updateSquadPost accepts. The URL field and the preview's remove button are dropped, and focus starts in the commentary.
• submitLink gained the edit branch it never had — only submitText handled editPostId. It routes through onUpdateSharePost, including the moderation path, which completes without a toast of its own (the plain update path already toasts from usePostToSquad, so adding one there would double it).
• Submit validation no longer demands a resolved URL/preview pair while editing, which would otherwise leave the button permanently disabled.
• Dirty-tracking compares the commentary rather than the text fields, so closing an untouched share edit no longer prompts "Discard changes?".

Share to squad through the composer

Clicking a squad avatar in ShareBar, DiscussionShareRow, or the Share modal opened CreateSharedPostModal — the old editor. All three now open SmartComposerModal seeded for the share:

• The post rides in as the link preview (preview={post}, initialUrl={post.permalink}), so nothing is refetched and the composer's existing internal-share path applies: preview.id → addPostToSquad, moderation when the squad requires it, and multi-squad sharing via sharedPostId — a capability the old modal never had.
• The clicked squad is preselected via initialSquadId, but the audience stays editable.
• A new onPosted callback on SmartComposerModal carries the ShareToSquad analytics event the old modal fired from onSharedSuccessfully.
• CreateSharedPostModal is deleted along with its spec and its LazyModal registration; SocialShare renders the composer inline for the same dep-cycle reason it rendered the old modal inline.

What deliberately did not move

• Moderation items keep /posts/[id]/edit. That page edits a pending submission (useSourcePostModerationById), which is a different entity from a post — the composer cannot represent it.
• LiveRoomChatPanel stays as it is. It is a chat input, not a post composer: one line, send-on-enter, in a sidebar. A full-screen drawer and a bottom action bar would make it worse.
• ControlledMarkdownInput (profile bio) is a plain markdown field, not a composer.

Dead code removed

CreateSharedPostModal, CreateLiveRoomForm, and CreatePoll were each left referenced by nothing (or only their own specs), so they are deleted rather than carried forward.

Events

No new tracking events — StartShareToSquad/ShareToSquad keep firing from the same triggers.

Experiment

No new experiments.

Preview domain

https://claude-edit-post-new-composer.preview.app.daily.dev

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Project	Deployment	Actions	Updated (UTC)
daily-webapp	Ready	Preview	Aug 27, 2026 2:32pm

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