From d975ea11e7e879f29b8057b5d1f8aa08fc13f28a Mon Sep 17 00:00:00 2001
From: Alex Southwell <4596216+saphid@users.noreply.github.com>
Date: Mon, 2 Nov 2026 18:56:23 +1100
Subject: [PATCH] fix(web): deleting an archived thread also clears its draft,
 staged uploads and terminal state

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 apps/web/src/hooks/useThreadActions.permissions.test.ts | 6 ++++++
 apps/web/src/hooks/useThreadActions.ts                  | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/apps/web/src/hooks/useThreadActions.permissions.test.ts b/apps/web/src/hooks/useThreadActions.permissions.test.ts
index de5056c4af696..829e0ad900dd5 100644
--- a/apps/web/src/hooks/useThreadActions.permissions.test.ts
+++ b/apps/web/src/hooks/useThreadActions.permissions.test.ts
@@ -319,6 +319,12 @@ describe("thread action permissions", () => {
     expect(state.requests).toEqual([
       expect.objectContaining({ action: "delete", environmentId: secondary }),
     ]);
+    expect(state.localEffects).toEqual([
+      "refresh-archive",
+      "release-uploads",
+      "clear-draft",
+      "clear-terminal-ui",
+    ]);
     expect(threadPanelStatePresence(target)).toEqual(panelStateCleared);
   });
 
diff --git a/apps/web/src/hooks/useThreadActions.ts b/apps/web/src/hooks/useThreadActions.ts
index e5eedffc16698..bc7f29c81fb54 100644
--- a/apps/web/src/hooks/useThreadActions.ts
+++ b/apps/web/src/hooks/useThreadActions.ts
@@ -447,6 +447,9 @@ export function useThreadActions() {
       if (result._tag === "Success") {
         expireThreadUndos(target, [...LIST_PLACEMENT_UNDO_KINDS, "archive"]);
         refreshArchivedThreadsForEnvironment(target.environmentId);
+        releaseComposerDraftUploads(target);
+        clearComposerDraftForThread(target);
+        clearTerminalUiState(target);
         clearDeletedThreadPanelState(target);
       }
       return result;