fix(web): preserve file attachments when editing queued runs

[saphid]

Saving an edited queued message silently dropped newly added generic files. Include files in draft dirty checks, capability checks, upload completion and serialization; retain file-only edited drafts if the queued run starts.

Claim queued-edit uploads through the current shared ThreadMessageIntake, preserving existing attachment IDs, replay cleanup, and uncertain-dispatch safeguards. Do not reintroduce the older WebSocket-specific attachment wrapper.

Rebuilt head 3fe2b2a0a targets V2 3aa47e294 with test-only prerequisite #10865 (merge first). Seven-file topic. Validation: 153 focused intake/attachment/web-draft/sidebar-drop tests pass, plus server and web typechecks and targeted lint (existing ChatView advisory warnings). The real intake test saves/replays a queued PDF edit and verifies durable bytes plus the retained retry source.

Fresh UI capture is pending; the earlier comparison below remains bound to its original revisions and is historical evidence, not a capture of this rebuilt head. CI pending. Direct Claude Opus 5 high review remains unavailable: launcher exited 1 with expired OAuth before inference.

Historical UI evidence and exact source revisions

Verified in the attached web preview: add release-notes.txt, save, and reopen. The pre-fix UI loses the file; the fixed UI retains it. The authoritative saved message contains the durable 53-byte file reference. Both clients used the same disposable V2 backend and real prepared/queued commands; no provider ran during the captured save flow. Before: the two web files from b9fa1399c. After: patch-identical #9928 6e5d34b52, integrated at fa6a1ab04.

Clean save-and-reopen video · Annotated save-and-reopen video

Annotated screenshots

Targets V2 #2829. Updated with GPT-6 in Codex/T3.

Latest review follow-up: a distinct confirmed-rejection error now releases queued-upload copies while uncertain errors preserve them. 51 focused intake/runtime tests and server typecheck pass.

Queued-edit composer interaction is disabled while uploads/save are pending, preventing newer input from being cleared by a captured save. Confirmed queued-edit rejection uses its own tagged error; uncertain dispatch errors remain unchanged. The 51 intake/runtime tests, server/web types and targeted lint pass. Fresh interactive UI capture remains pending.

The MCP integration assertion now expects the distinct queued-edit rejection tag; both affected MCP integration tests pass. New CI is pending.

[macroscopeapp]

Macroscope has since reviewed this pull request. An earlier review was skipped by a cost limit; a review has now completed, so that notice no longer applies.

[macroscopeapp]

Approvability

Verdict: Approved at 3fe2b2a

Macroscope's review found this PR approvable — This is a localized bug fix that preserves newly added file attachments when editing queued runs, with coordinated client/server handling for uploads, retries, and rejected commands. Existing edit paths remain unchanged, and targeted tests cover persistence and cleanup behavior.

Notes:

• No code objects were reviewed. Approvability was decided on eligibility alone.

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Dismissing prior approval to re-evaluate 1b32002

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