Show attachments in optimistic reader prompts

Fix abandoned and cancelable uploads

Upload attachments immediately with progress

Merge pull request #75 from huggingface/mobile/back-in-header

Re-arm the whole-file summary when the tab comes back too

Mobile: the way back rides in the pane header

Read the trace again when the operator comes back to the tab

Merge main and integrate attachments with reader

Merge main into ov/hide-groups

Harden Reader request scheduling

Overview: hide a group you don't want to look at

Speed up Reader first paint

Merge branch 'main' of https://github.com/huggingface/agent-manager into perf/trace-tail-first

Review round 3: a spinning pane, a fix that was never wired, a reader that could not page

Reader mode pages back too — which is what was asked for

Sort the Overview by when something last happened

Review fixes: stop the title growing over the header's own furniture

Keep the group prefix to the pane header

Title a session by the group it belongs to

Name the modes for their form: terminal ⇄ reader

Support general file attachments

terminal ⇄ conversation: one switch, in the bottom bar, and a better answer rule

Deduplicate pasted screenshots

Harden screenshot input delivery and recovery

Review round: stop the card from reading every trace, and six other fixes

Add screenshot input for local agents

Pre-release hardening