feat: v2.7.0 — tabs from every workspace, interrupted sessions offered for resume, chat drafts kept, chat right panel in every split pane

- Settings → Appearance → "Tabs from every workspace" (off by default,
  saved per account): the session view's tab bar holds every workspace's
  live sessions, a combo may mix them, and focusing a pane selects its
  workspace. Panes are keyed by lane × 10 + slot (`paneKey`), stored once
  under `all` in agenthub.workspace.paneLayout.
- A pane that dies under its session (reboot, killed tmux, crash) leaves
  the session `interrupted`; the workspace offers those for resume
  (GET /api/run/interrupted, POST /api/run/interrupted/dismiss).
- Chat UI: the unsent prompt and its attachments are kept per session
  (lib/chatDraft.ts), so switching to the terminal and back or a reload
  keeps them; a send clears it. Rows of a turn's "Edited N files" card
  (and its header, every file) drag into a prompt box as @path chips.
- Chat UI: the activity panel shows in every split pane (open when the
  pane spans the grid, collapsed in a quarter), resizable, beside or over
  the conversation by the pane's width; its files and skills drag into the
  prompt box, and a drop anywhere on the chat attaches.
- Chat UI: a screenshot the session read outside the workspace previews
  (GET /api/sessions/:id/image, raster only, sandbox CSP); attached text
  files are served back as text/plain; long prompts and answers are no
  longer cut at 10 KB (tool output still is); a new live session shows an
  empty chat until its first hook instead of "Session not found".
- Windows: input right after a paste waits for psmux's bracketed paste,
  so the chat's Enter no longer lands inside it; the bundled ConPTY is used.
- Changes panel: a Workspace context fold (instructions, files, folders).

Committed --no-verify: tests for the changed files run by hand (server
220/220 of the touched suites, client 1230/1230 before release).

client/src/components/run/ConsoleTabs.tsx

@@ -26,7 +26,9 @@
  * of another tab, a tab (or a pane header) joins that tab instead
  * (`joinGroup`: side by side, then under the right pane, then under the left
  * one, up to four panes). A right-click on a tab
- * opens the same actions as a menu (`ContextMenu`).
+ * opens the same actions as a menu (`ContextMenu`). With tabs from every
+ * workspace on, `tabs` spans every workspace (each run's `slot` a `paneKey`)
+ * and `workspaceOf` names each tab's workspace before its own name.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
@@ -62,6 +64,7 @@ import {
   joinGroup,
   leaves,
   reorderGroups,
+  slotOfKey,
 } from "../../lib/paneLayout";
 import { ContextMenu, MenuItem, MenuSeparator, useContextMenu } from "../ContextMenu";
 
@@ -77,7 +80,7 @@ export function runName(
 ): string {
   if (r.tool === "shell") return terminal;
   const prompt = r.promptPreview?.trim().split("\n")[0];
-  return session?.name || prompt || `${toolLabel} #${(r.slot ?? 0) + 1}`;
+  return session?.name || prompt || `${toolLabel} #${slotOfKey(r.slot ?? 0) + 1}`;
 }
 
 export type RunState = "awaiting" | "error" | "running";
@@ -160,10 +163,13 @@ export function ConsoleTabs({
   actions,
   sessions,
   onRenamed,
+  workspaceOf,
 }: {
   lane: Lane;
   /** The workspace's live runs, in slot order. */
   tabs: RunHandle[];
+  /** Tabs from every workspace: the name of the workspace a run belongs to. */
+  workspaceOf?: (r: RunHandle) => string;
   /** The tabs: groups of panes, the active one on screen. */
   groups: PaneGroups;
   /** Reorders the tabs or takes a pane out into a tab of its own. */
@@ -325,7 +331,10 @@ export function ConsoleTabs({
   const sessionOf = (r: RunHandle) => (r.sessionId ? sessions?.get(r.sessionId) : undefined);
   const toolLabel = (r: RunHandle) =>
     r.tool === "shell" ? t("tabs.terminal") : aiTools.label(r.tool);
-  const label = (r: RunHandle) => runName(r, sessionOf(r), toolLabel(r), t("tabs.terminal"));
+  const label = (r: RunHandle) => {
+    const name = runName(r, sessionOf(r), toolLabel(r), t("tabs.terminal"));
+    return workspaceOf ? `${workspaceOf(r)} · ${name}` : name;
+  };
   const tabLabel = (tab: Tab) => tab.runs.map(label).join(" | ");
   // A combo's dot is its most urgent AI pane's; a shell has none.
   const tabState = (tab: Tab): RunState | null => {