chore: v2.8.12 — clone queue and progress, session defaults, chat agents, drops as @ mentions

Whole tree from parallel sessions, plus the version bump:
- Clone: a queue with live progress (Add workspace and extra folders),
  clones run under nice/ionice so the machine stays responsive.
- Settings → AI tools → Session defaults: a new session's default
  permission mode / bypass per account.
- Chat lists the background subagents that have not reported back yet.
- A file pasted or dropped into a claude pane goes in as an @ mention.
- Changes panel: say why amend/undo is refused on a pushed commit.
- openapi.yaml regenerated (Artifacts, Host, resumeById).

client/src/components/ContextMenu.tsx

@@ -165,12 +165,15 @@ export function MenuItem({
   danger,
   disabled,
   testId,
+  title,
   children,
 }: {
   onSelect: () => void;
   danger?: boolean;
   disabled?: boolean;
   testId?: string;
+  /** Hover text — e.g. why a disabled item cannot run. */
+  title?: string;
   children: ReactNode;
 }) {
   return (
@@ -179,6 +182,7 @@ export function MenuItem({
       role="menuitem"
       data-testid={testId}
       disabled={disabled}
+      title={title}
       className={`${MENU_ITEM}${danger ? " !text-status-danger" : ""}`}
       onClick={onSelect}
     >

client/src/components/Sagi/PetChat.tsx

@@ -318,7 +318,7 @@ export function PetChat({
         const r = await startInFreeTabDetailed(lane.id, {
           prompt,
           ...(tool !== lane.tool ? { tool } : {}),
-          ...(tool === "claude" ? { permissionMode: readDefaultMode() } : {}),
+          ...(tool === "claude" ? { permissionMode: readDefaultMode({ safe: true }) } : {}),
         });
         remember({ laneId: r.laneId, runId: r.runId, tool });
       } catch (err) {

client/src/components/conversation/ConversationView.tsx

@@ -17,7 +17,9 @@
  * A caller that knows the session has ended passes `ended`: nothing more is
  * being written, so the catch-up poll drops from 3 s to 60 s and the
  * sub-agent list stops being rescanned — a `new_event` frame, a reconnect or
- * the view being shown again still fetch the tail at once.
+ * the view being shown again still fetch the tail at once. The main
+ * transcript hands MessageList its `sessionId`, so the list can read its
+ * background agents' own transcripts for their progress.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 /* =============================================================================
@@ -622,6 +624,9 @@ function ConversationViewPane({
               waiting={waiting}
               onOpenTerminal={onOpenTerminal}
               stopped={stopped}
+              sessionId={
+                selectedTranscript && selectedTranscript !== "main" ? undefined : sessionId
+              }
             />
           )}
         </div>

client/src/components/conversation/MessageList.tsx

@@ -26,7 +26,14 @@
  * terminal (`waiting`) — and, like the terminal's status line, how long the
  * turn has run and the output tokens it has made; a call running long shows
  * its own time, and a line silent for minutes turns amber. A turn that ended
- * closes with how long it took and its output.
+ * closes with how long it took and its output. A live chat also lists the
+ * subagents it launched in the background that have not reported back yet
+ * (an `Agent` call whose result is "Async agent launched…" and no
+ * `<task-notification>` naming its call since), like the terminal's footer:
+ * their turn returns at once, so without the list a turn that ended reads
+ * "Done" while they still work (issue #81) — it then reads "Replied in …".
+ * Given the `sessionId`, each line also shows what that agent is doing now
+ * and how large its context is, read off the tail of its own transcript.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 /* =============================================================================
@@ -101,6 +108,7 @@ import {
   CornerDownRight,
 } from "lucide-react";
 import type { TranscriptMessage, TranscriptContent, TranscriptSender } from "../../lib/types";
+import { api } from "../../lib/api";
 
 /** Per-sender visual treatment for a transcript row. A JSONL `type:"user"` line
  *  is not always the human (tool results, harness task-notifications, the
@@ -163,6 +171,9 @@ interface MessageListProps {
   /** Bumped by the chat's Stop: the turn on screen is over, even when the
    *  transcript never says so. */
   stopped?: number;
+  /** The session whose MAIN transcript this is: its background agents'
+   *  own transcripts are read for their progress. */
+  sessionId?: string;
 }
 
 /** Build a map from tool_use id → tool_result for matching */
@@ -641,6 +652,7 @@ function MessageListView({
   waiting = false,
   onOpenTerminal,
   stopped = 0,
+  sessionId,
 }: MessageListProps) {
   const { t } = useTranslation("sessions");
   const toolResultMap = useMemo(() => buildToolResultMap(messages), [messages]);
@@ -659,6 +671,10 @@ function MessageListView({
   );
   const stats = useMemo(() => (pending ? turnStats(messages) : null), [pending, messages]);
   const items = useMemo(() => chatItems(messages, keys), [messages, keys]);
+  const agents = useMemo(
+    () => (live ? backgroundAgents(messages, toolResultMap) : []),
+    [live, messages, toolResultMap]
+  );
 
   if (loading) {
     return (
@@ -715,7 +731,14 @@ function MessageListView({
                 />
               );
             case "done":
-              return <TurnDone key={item.key} ms={item.ms} output={item.output} />;
+              return (
+                <TurnDone
+                  key={item.key}
+                  ms={item.ms}
+                  output={item.output}
+                  agents={item === items[items.length - 1] ? agents.length : 0}
+                />
+              );
           }
         })}
         {pending && (
@@ -727,6 +750,7 @@ function MessageListView({
             onOpenTerminal={onOpenTerminal}
           />
         )}
+        {agents.length > 0 && <BackgroundAgents agents={agents} sessionId={sessionId} />}
       </div>
     </OpenFileContext.Provider>
   );
@@ -783,6 +807,48 @@ export function workingOn(
   return alive ? { blocks, since: null, last } : null;
 }
 
+// A launch older than this with no notification is from a run that ended
+// without one (the CLI quit, a resume of an old session): not running now.
+const AGENT_STALE_MS = 6 * 60 * 60_000;
+
+const NOTIFIED_CALL = /<tool-use-id>([^<]+)<\/tool-use-id>/g;
+// The launch result names the agent's own transcript (`agent-<id>.jsonl`).
+const LAUNCHED_ID = /agentId:\s*([\w-]+)/;
+
+type BackgroundAgent = { block: TranscriptContent; since: string | null; agentId: string | null };
+
+/** The subagents launched in the background that have not reported back: an
+ *  Agent call whose result says it was launched async, with no
+ *  `<task-notification>` naming that call since (any status — completed,
+ *  failed, killed — means it stopped). `since` is its launch time. */
+export function backgroundAgents(
+  messages: TranscriptMessage[],
+  results: Map<string, TranscriptContent>,
+  now = Date.now()
+): BackgroundAgent[] {
+  const running = new Map<string, BackgroundAgent>();
+  for (const msg of messages) {
+    if (msg.type === "assistant") {
+      for (const b of msg.content) {
+        if (b.type !== "tool_use" || !b.id || (b.name !== "Agent" && b.name !== "Task")) continue;
+        // The output is the result content as JSON when it is a block list.
+        const output = results.get(b.id)?.output;
+        if (!output?.includes("Async agent launched")) continue;
+        const at = msg.timestamp ?? null;
+        if (at && now - parseDate(at).getTime() > AGENT_STALE_MS) continue;
+        running.set(b.id, { block: b, since: at, agentId: output.match(LAUNCHED_ID)?.[1] ?? null });
+      }
+      continue;
+    }
+    if (!running.size) continue;
+    for (const c of msg.content) {
+      if (c.type !== "text" || !c.text || !isTaskNotification(c.text)) continue;
+      for (const m of c.text.matchAll(NOTIFIED_CALL)) running.delete(m[1]!.trim());
+    }
+  }
+  return [...running.values()];
+}
+
 /** Output tokens counted once per API call: Claude Code writes one line per
  *  content block, each repeating its call's usage — consecutive lines with
  *  the same prompt size are one call. */
@@ -857,6 +923,23 @@ function useCountUp(value: number): number {
   return shown;
 }
 
+/** The time now, ticking every second while `ref`'s box is on screen: a
+ *  hidden tab or a hidden pane (another workspace, kept mounted) shows no
+ *  clock, so the re-render is skipped until it is shown again. */
+function useClock(ref: React.RefObject<HTMLElement | null>): number {
+  const [now, setNow] = useState(() => Date.now());
+  useEffect(() => {
+    const timer = window.setInterval(() => {
+      const el = ref.current;
+      if (document.visibilityState !== "visible" || (el && el.getClientRects().length === 0))
+        return;
+      setNow(Date.now());
+    }, 1000);
+    return () => window.clearInterval(timer);
+  }, [ref]);
+  return now;
+}
+
 /** A call's one-line title: its description (Claude Code's Bash
  *  `description`), else the tool and its target. */
 function stepTitle(block: TranscriptContent): string {
@@ -886,20 +969,9 @@ function RunningStep({
   onOpenTerminal?: () => void;
 }) {
   const { t } = useTranslation("sessions");
-  const [now, setNow] = useState(() => Date.now());
   const [showAll, setShowAll] = useState(false);
   const boxRef = useRef<HTMLDivElement>(null);
-  useEffect(() => {
-    // A hidden tab or a hidden pane (another workspace, kept mounted) shows
-    // no clock: skip the re-render until it is on screen again.
-    const timer = window.setInterval(() => {
-      const el = boxRef.current;
-      if (document.visibilityState !== "visible" || (el && el.getClientRects().length === 0))
-        return;
-      setNow(Date.now());
-    }, 1000);
-    return () => window.clearInterval(timer);
-  }, []);
+  const now = useClock(boxRef);
   const counted = useCountUp(tokens);
   const age = (at: string | null) => (at ? now - parseDate(at).getTime() : 0);
   const first = blocks[0];
@@ -976,7 +1048,159 @@ function RunningStep({
   );
 }
 
-/** Under a turn that ended: how long it took and the output it made. */
+// How often a running agent's transcript tail is re-read, and how much of it
+// is kept: enough for its newest step and its newest usage.
+const AGENT_TAIL_MS = 4000;
+const AGENT_TAIL_KEEP = 40;
+
+/** The newest lines of each agent's own transcript (by its `agentId`),
+ *  re-read while `ref`'s box is on screen — only the lines after those
+ *  already read (`after`). A failed read leaves the line without detail. */
+function useAgentTails(
+  sessionId: string | undefined,
+  ids: string[],
+  ref: React.RefObject<HTMLElement | null>
+): Map<string, TranscriptMessage[]> {
+  const [tails, setTails] = useState(() => new Map<string, TranscriptMessage[]>());
+  const lastRef = useRef(new Map<string, number>());
+  const key = ids.join(",");
+  useEffect(() => {
+    if (!sessionId || !key) return;
+    let cancelled = false;
+    let busy = false;
+    const read = async () => {
+      const el = ref.current;
+      if (
+        busy ||
+        document.visibilityState !== "visible" ||
+        (el && el.getClientRects().length === 0)
+      )
+        return;
+      busy = true;
+      await Promise.all(
+        key.split(",").map(async (id) => {
+          const last = lastRef.current.get(id);
+          try {
+            const r = await api.sessions.transcript(sessionId, {
+              agent_id: id,
+              ...(last ? { after: last } : { limit: 20 }),
+            });
+            if (cancelled || !r.messages.length) return;
+            lastRef.current.set(id, r.last_line);
+            setTails((prev) => {
+              const next = new Map(prev);
+              next.set(id, [...(prev.get(id) ?? []), ...r.messages].slice(-AGENT_TAIL_KEEP));
+              return next;
+            });
+          } catch {
+            // Non-fatal: the line keeps its description and time.
+          }
+        })
+      );
+      busy = false;
+    };
+    void read();
+    const timer = window.setInterval(() => void read(), AGENT_TAIL_MS);
+    return () => {
+      cancelled = true;
+      window.clearInterval(timer);
+    };
+  }, [sessionId, key, ref]);
+  return tails;
+}
+
+/** What an agent's transcript tail says it is doing: the call it waits on
+ *  (or none while it thinks), and its newest prompt size — its context. */
+export function agentProgress(
+  messages: TranscriptMessage[],
+  now = Date.now()
+): { step: string | null; context: number } {
+  let context = 0;
+  for (let i = messages.length - 1; i >= 0 && !context; i--) {
+    const u = messages[i]!.usage;
+    if (messages[i]!.type === "assistant" && u) context = promptTokens(u);
+  }
+  const first = workingOn(messages, buildToolResultMap(messages), now)?.blocks[0];
+  return { step: first ? stepTitle(first) : null, context };
+}
+
+/** The subagents still working in the background, one line each like the
+ *  terminal's footer: its type, its task and how long it has run — with its
+ *  step now and its context once its own transcript was read. */
+function BackgroundAgents({
+  agents,
+  sessionId,
+}: {
+  agents: BackgroundAgent[];
+  sessionId?: string;
+}) {
+  const { t } = useTranslation("sessions");
+  const boxRef = useRef<HTMLDivElement>(null);
+  const now = useClock(boxRef);
+  const ids = useMemo(() => agents.flatMap((a) => (a.agentId ? [a.agentId] : [])), [agents]);
+  const tails = useAgentTails(sessionId, ids, boxRef);
+  return (
+    <div
+      ref={boxRef}
+      data-testid="chat-background-agents"
+      className="overflow-hidden rounded-xl border border-border text-sm"
+    >
+      <div className="flex items-center gap-2 border-b border-border bg-surface-1 px-3 py-2 text-fg-primary">
+        <Bot className="h-3.5 w-3.5 text-fg-muted" />
+        <span className="flex-1">{t("conversation.agentsRunning", { count: agents.length })}</span>
+      </div>
+      <ul className="divide-y divide-border">
+        {agents.map(({ block, since, agentId }, i) => {
+          const input = (block.input ?? {}) as Record<string, unknown>;
+          const type = typeof input.subagent_type === "string" ? input.subagent_type : "Agent";
+          const desc = typeof input.description === "string" ? input.description : "";
+          const tail = agentId ? tails.get(agentId) : undefined;
+          const { step, context } = tail ? agentProgress(tail, now) : { step: null, context: 0 };
+          return (
+            <li
+              key={block.id ?? i}
+              data-testid="chat-background-agent"
+              className="px-3 py-2 text-fg-secondary"
+            >
+              <div className="flex items-center gap-2">
+                <Loader2 className="h-3.5 w-3.5 flex-shrink-0 animate-spin text-accent" />
+                <span className="flex-shrink-0 rounded bg-surface-3/60 px-1.5 py-0.5 font-mono text-xs text-fg-muted">
+                  {type}
+                </span>
+                <span className="min-w-0 flex-1 truncate" title={desc}>
+                  {desc}
+                </span>
+                {[
+                  since && formatMs(now - parseDate(since).getTime()),
+                  context > 0 && `↓ ${t("conversation.agentContext", { tokens: fmt(context) })}`,
+                ]
+                  .filter(Boolean)
+                  .map((v, j) => (
+                    <span key={j} className="flex-shrink-0 font-mono text-xs text-fg-muted">
+                      {v}
+                    </span>
+                  ))}
+              </div>
+              {tail && (
+                <div
+                  data-testid="chat-background-agent-step"
+                  className="ml-[1.375rem] mt-0.5 flex items-center gap-1 text-xs text-fg-muted"
+                >
+                  <CornerDownRight className="h-3 w-3 flex-shrink-0" />
+                  <span className="min-w-0 truncate">{step ?? t("conversation.working")}</span>
+                </div>
+              )}
+            </li>
+          );
+        })}
+      </ul>
+    </div>
+  );
+}
+
+/** Under a turn that ended: how long it took and the output it made — or,
+ *  while subagents it launched still work (`agents`), that only the reply is
+ *  done. */
 /** An option's label carries the model's " (Recommended)" marker into the
  *  answer the CLI records; the user's pick reads without it (every picked
  *  label of a multi-select answer too). */
@@ -1028,14 +1252,21 @@ function AskCard({
   );
 }
 
-function TurnDone({ ms, output }: { ms: number; output: number }) {
+function TurnDone({ ms, output, agents = 0 }: { ms: number; output: number; agents?: number }) {
   const { t } = useTranslation("sessions");
   return (
     <div data-testid="chat-turn-done" className="flex items-center gap-1.5 text-xs text-fg-muted">
-      <Check className="h-3 w-3 flex-shrink-0" />
+      {agents > 0 ? (
+        <Loader2 className="h-3 w-3 flex-shrink-0 animate-spin text-accent" />
+      ) : (
+        <Check className="h-3 w-3 flex-shrink-0" />
+      )}
       {[
-        t("conversation.turnDone", { time: formatMs(ms) }),
+        t(agents > 0 ? "conversation.turnReplied" : "conversation.turnDone", {
+          time: formatMs(ms),
+        }),
         output > 0 && t("conversation.turnTokens", { tokens: fmt(output) }),
+        agents > 0 && t("conversation.agentsStill", { count: agents }),
       ]
         .filter(Boolean)
         .join(" · ")}
@@ -1045,8 +1276,8 @@ function TurnDone({ ms, output }: { ms: number; output: number }) {
 
 const meta = "text-[10px] font-mono text-fg-muted";
 
-// What the prompt box sends for an attached file: its saved path under the
-// drop dir (`<data dir>/drops/<16 hex>[-name].ext`, server/routes/run.js; the
+// What the prompt box sends for an attached file: its saved path (an `@`
+// mention for claude) under the drop dir (`<data dir>/drops/<16 hex>[-name].ext`, server/routes/run.js; the
 // older `<tmp>/agenthub-drops-<uid>/` still in past transcripts).
 const DROP_PATH =
   /(?<=^|\s)(\S*[\\/](?:agenthub-drops--?\d+|drops)[\\/]([0-9a-f]{16}(?:-[A-Za-z0-9._-]+)?\.[A-Za-z0-9]+))(?=\s|$)/gi;
@@ -1066,7 +1297,7 @@ export function splitDropImages(text: string): {
   const files: string[] = [];
   const rest = text.replace(DROP_PATH, (_all, full: string, name: string) => {
     if (IMAGE_EXT.test(name)) images.push(name);
-    else files.push(full);
+    else files.push(full.replace(/^@/, "")); // a claude prompt's `@` mention
     return "";
   });
   return {

client/src/components/conversation/__tests__/MessageList.agents.test.tsx

@@ -0,0 +1,118 @@
+/**
+ * @file MessageList.agents.test.tsx
+ * @description Verifies a live chat's background-agents card reads each
+ * running agent's own transcript (by the agentId its launch result names)
+ * and shows the step it is on and its context size (issue #81).
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+import { render, screen, waitFor } from "@testing-library/react";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { MessageList, agentProgress } from "../MessageList";
+import { api } from "../../../lib/api";
+import type { TranscriptMessage } from "../../../lib/types";
+
+vi.mock("../../../lib/api", async (importOriginal) => {
+  const actual = await importOriginal<Record<string, unknown>>();
+  return { ...actual, api: { sessions: { transcript: vi.fn() } } };
+});
+
+const at = new Date().toISOString();
+const m = (p: Partial<TranscriptMessage>): TranscriptMessage =>
+  ({ type: "user", timestamp: at, content: [], ...p }) as TranscriptMessage;
+
+// The subagent's own transcript: its task, then a search still running.
+const tail: TranscriptMessage[] = [
+  m({ sender: "orchestrator", content: [{ type: "text", text: "Find copyId" }] }),
+  m({
+    type: "assistant",
+    sender: "assistant",
+    stop_reason: "tool_use",
+    usage: { input_tokens: 300, output_tokens: 20, cache_read_input_tokens: 54_000 },
+    content: [
+      {
+        type: "tool_use",
+        id: "g1",
+        name: "Grep",
+        input: { pattern: "copyId", description: "Searching for copyId" },
+      },
+    ],
+  }),
+];
+
+const main: TranscriptMessage[] = [
+  m({ sender: "user", content: [{ type: "text", text: "go" }] }),
+  m({
+    type: "assistant",
+    sender: "assistant",
+    stop_reason: "tool_use",
+    content: [
+      {
+        type: "tool_use",
+        id: "t1",
+        name: "Agent",
+        input: { description: "Checking copyId coverage", subagent_type: "Explore" },
+      },
+    ],
+  }),
+  m({
+    content: [
+      {
+        type: "tool_result",
+        id: "t1",
+        output: JSON.stringify([
+          { type: "text", text: "Async agent launched successfully.\nagentId: a4118367b503adecc" },
+        ]),
+      },
+    ],
+  }),
+  m({
+    type: "assistant",
+    sender: "assistant",
+    stop_reason: "end_turn",
+    content: [{ type: "text", text: "waiting" }],
+  }),
+];
+
+describe("background agents' progress", () => {
+  const rects = Element.prototype.getClientRects;
+  beforeEach(() => {
+    // jsdom lays nothing out: make the card count as on screen.
+    Element.prototype.getClientRects = () => [{}] as unknown as DOMRectList;
+    vi.mocked(api.sessions.transcript).mockResolvedValue({
+      messages: tail,
+      total: 2,
+      has_more: false,
+      first_line: 1,
+      last_line: 2,
+    });
+  });
+  afterEach(() => {
+    Element.prototype.getClientRects = rects;
+    vi.mocked(api.sessions.transcript).mockReset();
+  });
+
+  it("reads the step an agent is on and its context", () => {
+    expect(agentProgress(tail)).toEqual({ step: "Searching for copyId", context: 54_300 });
+    expect(agentProgress(tail.slice(0, 1))).toEqual({ step: null, context: 0 });
+  });
+
+  it("shows them on the agent's line, from its own transcript", async () => {
+    render(<MessageList live loading={false} messages={main} sessionId="s1" />);
+    await waitFor(() =>
+      expect(screen.getByTestId("chat-background-agent-step")).toHaveTextContent(
+        "Searching for copyId"
+      )
+    );
+    expect(api.sessions.transcript).toHaveBeenCalledWith("s1", {
+      agent_id: "a4118367b503adecc",
+      limit: 20,
+    });
+    expect(screen.getByTestId("chat-background-agent")).toHaveTextContent("↓ 54.3K tokens");
+  });
+
+  it("reads nothing without the session", () => {
+    render(<MessageList live loading={false} messages={main} />);
+    expect(screen.getByTestId("chat-background-agent")).toBeInTheDocument();
+    expect(api.sessions.transcript).not.toHaveBeenCalled();
+  });
+});

client/src/components/conversation/__tests__/MessageList.sender.test.tsx

@@ -5,12 +5,13 @@
  * layout), Main agent / System under their own label — instead of treating
  * every `type:"user"` line as the user (reported transcript mis-attribution) —
  * and folds a run of tool calls into one line; a typed `/command` or `@path`
- * shows as a chip.
+ * shows as a chip. A live chat lists the background subagents still running
+ * and does not call their turn done (issue #81).
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 import { describe, it, expect } from "vitest";
 import { fireEvent, render, screen, within } from "@testing-library/react";
-import { MessageList, turnStats, workLabel, workingOn } from "../MessageList";
+import { MessageList, backgroundAgents, turnStats, workLabel, workingOn } from "../MessageList";
 import type { TranscriptMessage } from "../../../lib/types";
 
 function msg(partial: Partial<TranscriptMessage>): TranscriptMessage {
@@ -343,4 +344,77 @@ describe("MessageList — sender attribution", () => {
     // Silent for 15 minutes with nothing running: the turn died.
     expect(workingOn([prompt], new Map(), now + 20 * 60_000)).toBeNull();
   });
+
+  describe("background subagents", () => {
+    const at = new Date().toISOString();
+    const launch = msg({
+      type: "assistant",
+      sender: "assistant",
+      timestamp: at,
+      stop_reason: "tool_use",
+      content: [
+        {
+          type: "tool_use",
+          id: "t1",
+          name: "Agent",
+          input: { description: "Checking copyId coverage", subagent_type: "Explore" },
+        },
+      ],
+    });
+    const launched = msg({
+      timestamp: at,
+      content: [
+        {
+          type: "tool_result",
+          id: "t1",
+          output: JSON.stringify([{ type: "text", text: "Async agent launched successfully." }]),
+        },
+      ],
+    });
+    const reply = msg({
+      type: "assistant",
+      sender: "assistant",
+      timestamp: at,
+      stop_reason: "end_turn",
+      content: [{ type: "text", text: "waiting for the agent" }],
+    });
+    const notified = msg({
+      sender: "system",
+      timestamp: at,
+      content: [
+        {
+          type: "text",
+          text: "<task-notification>\n<task-id>a1</task-id>\n<tool-use-id>t1</tool-use-id>\n<status>completed</status>\n</task-notification>",
+        },
+      ],
+    });
+    const base = [msg({ sender: "user", timestamp: at }), launch, launched, reply];
+
+    it("lists an agent until its notification names the call", () => {
+      const results = (m: TranscriptMessage[]) =>
+        new Map(
+          m.flatMap((x) => x.content.filter((c) => c.type === "tool_result").map((c) => [c.id!, c]))
+        );
+      expect(backgroundAgents(base, results(base)).map((a) => a.block.id)).toEqual(["t1"]);
+      const all = [...base, notified];
+      expect(backgroundAgents(all, results(all))).toEqual([]);
+    });
+
+    it("does not call the turn done while the agent works", () => {
+      const { rerender } = render(<MessageList live loading={false} messages={base} />);
+      expect(screen.getByTestId("chat-background-agent")).toHaveTextContent(
+        "ExploreChecking copyId coverage"
+      );
+      expect(screen.getByTestId("chat-turn-done")).toHaveTextContent("Replied in");
+      expect(screen.getByTestId("chat-turn-done")).toHaveTextContent("1 agent still running");
+      rerender(<MessageList live loading={false} messages={[...base, notified]} />);
+      expect(screen.queryByTestId("chat-background-agents")).toBeNull();
+      expect(screen.getByTestId("chat-turn-done")).toHaveTextContent("Done in");
+    });
+
+    it("shows nothing once the session is no longer live", () => {
+      render(<MessageList loading={false} messages={base} />);
+      expect(screen.queryByTestId("chat-background-agents")).toBeNull();
+    });
+  });
 });

client/src/components/lanes/AddLaneModal.tsx

@@ -9,7 +9,8 @@
  * manually-typed branch name; "Clone" runs `POST /api/lanes/clone` (an
  * https/ssh URL cloned into a folder of the user's, with their OWN SSH key or
  * HTTPS login — a 409 `ECREDENTIALS` opens a login row, `ESSHAUTH` points to
- * Settings → Git). There is no AI tool picker: the lane is created with the
+ * Settings → Git; **Partial clone** makes it blobless, and `CloneProgress`
+ * shows its queue place, then git's progress). There is no AI tool picker: the lane is created with the
  * default AI tool (Settings → AI Tools), and each new session picks its own
  * AI on the workspace home. Either
  * mode's path field can be filled by typing, by the CwdAutocomplete
@@ -30,6 +31,7 @@ import { useDialog } from "../../hooks/useDialog";
 import { CwdAutocomplete } from "../run/RunSetup";
 import { PathPickButton } from "../PathPickButton";
 import { api } from "../../lib/api";
+import { CloneProgress, newCloneToken } from "./CloneProgress";
 import type { CwdSuggestion } from "../../lib/api";
 import type { Lane, LaneWorktree } from "../../lib/types";
 import { useAiTools } from "../../hooks/useAiTools";
@@ -116,6 +118,9 @@ export function AddLaneModal({
   // server asked for one — a login for the URL's https host.
   const [cloneUrl, setCloneUrl] = useState("");
   const [cloneName, setCloneName] = useState("");
+  const [clonePartial, setClonePartial] = useState(false);
+  /** The running clone's progress token (CloneProgress polls it). */
+  const [cloneToken, setCloneToken] = useState<string | null>(null);
   const [login, setLogin] = useState<{
     host: string;
     username: string;
@@ -159,6 +164,7 @@ export function AddLaneModal({
     setMode("repo");
     setCloneUrl("");
     setCloneName("");
+    setClonePartial(false);
     setLogin(null);
     setSshRefused(false);
     setSourceRepo("");
@@ -236,13 +242,17 @@ export function AddLaneModal({
       const url = cloneUrl.trim();
       if (!url) return;
       setSshRefused(false);
+      const progressToken = newCloneToken();
+      setCloneToken(progressToken);
       try {
         const result = await api.lanes.clone({
+          progressToken,
           url,
           parent: repo,
           name: cloneName.trim() || undefined,
           title: name || undefined,
           tool,
+          ...(clonePartial ? { partial: true } : {}),
           ...(login?.username.trim() && login.token
             ? {
                 credentials: {
@@ -274,6 +284,8 @@ export function AddLaneModal({
           setError(err instanceof Error ? err.message : String(err));
         }
         setBusy(false);
+      } finally {
+        setCloneToken(null);
       }
       return;
     }
@@ -547,6 +559,23 @@ export function AddLaneModal({
                 spellCheck={false}
                 className="w-full rounded-md border border-border-light bg-surface-0 px-3 py-1.5 font-mono text-xs text-fg-primary placeholder:text-fg-muted focus:border-accent focus:outline-none"
               />
+              <label
+                className="mt-2 flex items-center gap-1.5 text-[11px] text-fg-secondary"
+                title={t("clone.partialHint")}
+              >
+                <input
+                  type="checkbox"
+                  data-testid="add-lane-clone-partial"
+                  checked={clonePartial}
+                  onChange={(e) => setClonePartial(e.target.checked)}
+                />
+                {t("clone.partial")}
+              </label>
+              {cloneToken && (
+                <div className="mt-2">
+                  <CloneProgress token={cloneToken} />
+                </div>
+              )}
             </div>
           )}
 

client/src/components/lanes/CloneProgress.tsx

@@ -0,0 +1,93 @@
+/**
+ * @file CloneProgress — the live line under a running clone: its place in the
+ * server's clone queue while it waits (clones run a few at a time machine-wide,
+ * `server/lib/clone-queue.js`), then git's own phase, percent, size and speed
+ * with a bar. It polls `GET /api/lanes/clone/progress/:token` every second for
+ * the token the clone's POST carried (`newCloneToken`); a 404 — the POST not
+ * yet arrived, or an older server — just shows nothing yet.
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+
+import { useEffect, useState } from "react";
+import { useTranslation } from "react-i18next";
+import { api, type CloneProgressView } from "../../lib/api";
+
+const POLL_MS = 1000;
+
+/** A fresh, unguessable progress token (works on plain http, unlike randomUUID). */
+export function newCloneToken(): string {
+  const bytes = new Uint8Array(16);
+  crypto.getRandomValues(bytes);
+  return Array.from(bytes, (b) => b.toString(16).padStart(2, "0")).join("");
+}
+
+export function CloneProgress({ token }: { token: string }) {
+  const { t } = useTranslation("lanes");
+  const [view, setView] = useState<CloneProgressView | null>(null);
+
+  useEffect(() => {
+    let alive = true;
+    setView(null);
+    // Never throws: progress is a courtesy, the clone's own answer decides.
+    const poll = () =>
+      Promise.resolve()
+        .then(() => api.lanes.cloneProgress(token))
+        .then((v) => {
+          if (alive) setView(v);
+        })
+        .catch(() => {});
+    void poll();
+    const timer = setInterval(() => void poll(), POLL_MS);
+    return () => {
+      alive = false;
+      clearInterval(timer);
+    };
+  }, [token]);
+
+  if (!view || view.state === "done" || view.state === "failed") return null;
+
+  if (view.state === "queued") {
+    return (
+      <p data-testid="clone-progress" className="text-[11px] text-status-warning">
+        {t("clone.queued", {
+          position: view.position ?? 1,
+          waiting: view.waiting,
+          running: view.running,
+          limit: view.limit,
+        })}
+      </p>
+    );
+  }
+
+  const phase = view.phase
+    ? view.phase === "other"
+      ? view.label || ""
+      : t(`clone.phase.${view.phase}`)
+    : t("clone.connecting");
+  const percent = view.percent ?? 0;
+  return (
+    <div data-testid="clone-progress" className="space-y-1">
+      <p className="flex justify-between gap-2 text-[11px] text-fg-secondary">
+        <span className="truncate">
+          {phase}
+          {view.phase ? ` ${percent}%` : ""}
+        </span>
+        {view.detail && (
+          <span className="shrink-0 font-mono text-[10px] text-fg-muted">{view.detail}</span>
+        )}
+      </p>
+      {view.phase && (
+        <div
+          className="h-1 overflow-hidden rounded bg-surface-2"
+          role="progressbar"
+          aria-valuenow={percent}
+          aria-valuemin={0}
+          aria-valuemax={100}
+          aria-label={phase}
+        >
+          <div className="h-full bg-accent-solid transition-all" style={{ width: `${percent}%` }} />
+        </div>
+      )}
+    </div>
+  );
+}

client/src/components/lanes/CloneSourcesForm.tsx

@@ -10,7 +10,8 @@
  * sent to Settings → Git first — and an HTTPS host with no saved login offers
  * the login row up front (optional: a public repo needs none). The identity is
  * read again when the window regains focus, so a key made in another tab
- * counts at once.
+ * counts at once. The running clone shows its queue place, then git's
+ * progress (`CloneProgress`); **Partial clone** sends `partial: true`.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
@@ -18,6 +19,7 @@ import { useCallback, useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { Check, Loader2, X } from "lucide-react";
 import { api, type GitIdentity, type LaneSourcesView } from "../../lib/api";
+import { CloneProgress, newCloneToken } from "./CloneProgress";
 
 type Row = {
   url: string;
@@ -25,6 +27,8 @@ type Row = {
   note?: string;
   /** The note points at Settings → Git (no key, or a key the host refused). */
   ssh?: boolean;
+  /** While busy: the progress token CloneProgress polls. */
+  token?: string;
 };
 type Login = { host: string; username: string; token: string; remember: boolean };
 
@@ -71,6 +75,7 @@ export function CloneSourcesForm({
   const [rows, setRows] = useState<Row[]>([]);
   const [busy, setBusy] = useState(false);
   const [login, setLogin] = useState<Login | null>(null);
+  const [partial, setPartial] = useState(false);
   const [identity, setIdentity] = useState<GitIdentity | null>(null);
 
   // An unknown identity (an older server, a failed read) checks nothing: the
@@ -116,10 +121,13 @@ export function CloneSourcesForm({
     for (const row of next) {
       if (row.state === "failed") continue;
       row.state = "busy";
+      row.token = newCloneToken();
       show();
       try {
         const view = await api.lanes.cloneFolder(laneId, {
           url: row.url,
+          progressToken: row.token,
+          ...(partial ? { partial: true } : {}),
           ...(login?.username.trim() && login.token
             ? {
                 credentials: {
@@ -151,6 +159,7 @@ export function CloneSourcesForm({
           row.note = e.message || String(err);
         }
       }
+      row.token = undefined;
       show();
     }
     if (asked) setLogin(asked);
@@ -191,6 +200,18 @@ export function CloneSourcesForm({
         className="w-full rounded border border-border bg-surface-1 px-2 py-1 font-mono text-[11px] text-fg-primary"
       />
       <p className="text-[11px] text-fg-muted">{t("home.cloneHint", { path: parent })}</p>
+      <label
+        className="flex items-center gap-1.5 text-[11px] text-fg-secondary"
+        title={t("clone.partialHint")}
+      >
+        <input
+          type="checkbox"
+          data-testid="workspace-clone-partial"
+          checked={partial}
+          onChange={(e) => setPartial(e.target.checked)}
+        />
+        {t("clone.partial")}
+      </label>
       {sshHosts.length > 0 && (
         <p
           role="alert"
@@ -280,6 +301,11 @@ export function CloneSourcesForm({
                   {r.url}
                 </span>
               </span>
+              {r.state === "busy" && r.token && (
+                <div className="ml-[18px] mt-0.5">
+                  <CloneProgress token={r.token} />
+                </div>
+              )}
               {r.note && (
                 <span className="ml-[18px] block text-status-danger">
                   {r.note}

client/src/components/lanes/LaneChangesPanel.tsx

@@ -1728,7 +1728,12 @@ export function LaneChangesPanel({
               {commits?.[0]?.sha === commitCtx.menu.item.sha && (
                 <MenuItem
                   danger
-                  disabled={busy || opOpen || commitCtx.menu.item.parents.length !== 1}
+                  // Pushed: the server refuses it (EPUSHED), so say why here
+                  // instead of failing after the confirm.
+                  disabled={
+                    busy || opOpen || headPushed || commitCtx.menu.item.parents.length !== 1
+                  }
+                  title={headPushed ? t("changes.undoCommitPushed") : undefined}
                   testId="lane-changes-menu-undo-commit"
                   onSelect={pick(
                     commitCtx.close,

client/src/components/lanes/SessionReplay.tsx

@@ -94,7 +94,7 @@ export function SessionReplay({
   const tool = session?.tool || "claude";
   const resumable = byId(tool)?.resumeById ?? RESUMABLE.has(tool);
   const livePane = liveRunFor(lane, liveRuns, sessionId);
-  const text = promptWithImages(prompt, images);
+  const text = promptWithImages(prompt, images, tool === "claude");
 
   const send = async () => {
     if (!text || busy || uploading || livePane || !resumable) return;

client/src/components/lanes/WorkspaceHome.tsx

@@ -11,7 +11,7 @@
  * shell tab at once, like the tab bar's New terminal) and one Model chip (`ModelMenu`: the tool's own list or the
  * proxy's models, plus Effort); under it the quieter choices — AI Proxy
  * (Native or a profile), Permission (Claude's mode, Codex's sandbox/approval,
- * a catalog tool's bypass) and Local / New worktree — the workspace's Recents — the sessions it
+ * a catalog tool's bypass — a YOLO chip for Codex) and Local / New worktree — the workspace's Recents — the sessions it
  * owns and has not archived (`?lane=&archived=0`, with each one's state dot,
  * **Show more** past the first page, and the sidebar row's Rename/Archive in
  * its right-click menu), then the archived ones folded with Unarchive; a live session opens its pane,
@@ -20,7 +20,6 @@
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
-import { Checkbox } from "../Checkbox";
 import { isSubmitEnter } from "../../lib/keys";
 import { confirmDialog } from "../../lib/confirm";
 import { useEffect, useRef, useState } from "react";
@@ -34,6 +33,7 @@ import {
   MoreHorizontal,
   ArrowUp,
   SquareTerminal,
+  Zap,
 } from "lucide-react";
 import {
   api,
@@ -76,7 +76,7 @@ export {
 } from "./startSession";
 import { startInFreeTab } from "./startSession";
 import { WorkspaceContext } from "./WorkspaceContext";
-import { readDefaultMode } from "../../lib/sessionDefaults";
+import { readCodexDefaults, readDefaultMode } from "../../lib/sessionDefaults";
 
 /** Recents' page size; Show more adds another. */
 const RECENT_PAGE = 30;
@@ -165,12 +165,14 @@ function HomeBody({
   // Claude and Codex always take a model and an effort; a catalog tool a
   // model only when its file names the flag, an effort never.
   const hasModel = claude || codex || !!entry?.modelFlag;
-  // The account's own default (first-run setup) — never bypass.
+  // The account's own defaults (first-run setup, Settings → AI tools →
+  // Session defaults); a pick here is for this session only.
   const [mode, setMode] = useState<PermissionMode>(readDefaultMode);
-  const [sandbox, setSandbox] = useState<CodexSandbox>("workspace-write");
-  const [approval, setApproval] = useState<CodexApproval>("on-request");
-  // Per session, never remembered.
+  const [sandbox, setSandbox] = useState<CodexSandbox>(() => readCodexDefaults().sandbox);
+  const [approval, setApproval] = useState<CodexApproval>(() => readCodexDefaults().approval);
+  // Off for every tool but Codex, which starts from the account's default.
   const [bypass, setBypass] = useState(false);
+  useEffect(() => setBypass(codex && readCodexDefaults().bypass), [codex]);
   const canBypass = !claude && !!entry?.bypass;
   const [effort, setEffort] = useState<EffortLevel>("");
   const hasEffort = claude || codex;
@@ -254,7 +256,7 @@ function HomeBody({
     }
   };
 
-  const text = promptWithImages(prompt, images);
+  const text = promptWithImages(prompt, images, claude);
   const start = async () => {
     // Enter reaches here past the disabled button: the same guards again.
     // A ref, not only the state: two Enters in one tick both read `starting` false.
@@ -607,15 +609,25 @@ function HomeBody({
             </div>
           )}
           {canBypass && (
-            <span className="px-2">
-              <Checkbox
-                tone="danger"
-                checked={bypass}
-                onChange={setBypass}
-                label={t("run:fields.bypass")}
-                labelClassName="text-xs text-status-danger"
+            // A chip like the selects beside it: quiet when off, red when on.
+            <button
+              type="button"
+              aria-pressed={bypass}
+              data-testid="workspace-home-bypass"
+              title={t(codex ? "run:fields.yoloHint" : "run:fields.bypass")}
+              onClick={() => setBypass(!bypass)}
+              className={`flex items-center gap-1.5 rounded-md px-2 py-1 text-xs transition-colors focus:outline-none focus-visible:ring-2 focus-visible:ring-status-danger/60 ${
+                bypass
+                  ? "bg-status-danger/10 font-medium text-status-danger ring-1 ring-inset ring-status-danger/30 hover:bg-status-danger/20"
+                  : "text-fg-secondary hover:bg-surface-3 hover:text-fg-primary"
+              }`}
+            >
+              <Zap
+                className={`h-3.5 w-3.5 ${bypass ? "fill-current" : "text-fg-muted"}`}
+                aria-hidden
               />
-            </span>
+              {t(codex ? "run:fields.yolo" : "run:fields.bypassShort")}
+            </button>
           )}
         </div>
         {danger && (

client/src/components/lanes/__tests__/AddLaneModal.test.tsx

@@ -786,9 +786,25 @@ describe("AddLaneModal — Clone", () => {
       )
     );
     expect(vi.mocked(api.lanes.clone).mock.calls[0]?.[0].credentials).toBeUndefined();
+    expect(vi.mocked(api.lanes.clone).mock.calls[0]?.[0].partial).toBeUndefined();
     await waitFor(() => expect(onAdded).toHaveBeenCalled());
   });
 
+  it("sends partial only when the box is ticked", async () => {
+    vi.mocked(api.lanes.clone).mockResolvedValue({
+      lane: laneFixture({ id: 7 }),
+      created: true,
+      path: "/home/an/code/big",
+    });
+    const user = userEvent.setup();
+    await fillClone(user, "https://git.example.com/o/big.git");
+    await user.click(screen.getByTestId("add-lane-clone-partial"));
+    await user.click(screen.getByRole("button", { name: "Add workspace" }));
+    await waitFor(() =>
+      expect(api.lanes.clone).toHaveBeenCalledWith(expect.objectContaining({ partial: true }))
+    );
+  });
+
   it("asks for a login on ECREDENTIALS and sends it on the retry", async () => {
     vi.mocked(api.lanes.clone)
       .mockRejectedValueOnce(

client/src/components/lanes/__tests__/CloneProgress.test.tsx

@@ -0,0 +1,79 @@
+/**
+ * @file Tests for CloneProgress: a queued clone shows its place in the
+ * server's clone queue, a running one git's phase, percent and speed with a
+ * bar, and nothing shows before the server knows the token. Also that
+ * `newCloneToken` makes a token the server accepts.
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import { render, screen } from "@testing-library/react";
+import "../../../i18n";
+
+vi.mock("../../../lib/api", () => ({
+  api: { lanes: { cloneProgress: vi.fn() } },
+}));
+
+import { api, type CloneProgressView } from "../../../lib/api";
+import { CloneProgress, newCloneToken } from "../CloneProgress";
+
+const base: CloneProgressView = {
+  state: "running",
+  position: null,
+  running: 2,
+  waiting: 1,
+  limit: 2,
+  phase: null,
+  label: null,
+  percent: null,
+  detail: null,
+};
+
+describe("CloneProgress", () => {
+  // Braces: a function returned from beforeEach is run as its teardown.
+  beforeEach(() => {
+    vi.mocked(api.lanes.cloneProgress).mockReset();
+  });
+
+  it("shows the clone's place in the queue while it waits", async () => {
+    vi.mocked(api.lanes.cloneProgress).mockResolvedValue({
+      ...base,
+      state: "queued",
+      position: 1,
+    });
+    render(<CloneProgress token="t" />);
+    expect(await screen.findByTestId("clone-progress")).toHaveTextContent(
+      "Waiting in the clone queue — #1 of 1 (2/2 clones running)"
+    );
+  });
+
+  it("shows git's phase, percent and speed with a bar while it runs", async () => {
+    vi.mocked(api.lanes.cloneProgress).mockResolvedValue({
+      ...base,
+      phase: "receiving",
+      label: "Receiving objects",
+      percent: 45,
+      detail: "450/1000, 120.50 MiB | 5.20 MiB/s",
+    });
+    render(<CloneProgress token="t" />);
+    const line = await screen.findByTestId("clone-progress");
+    expect(line).toHaveTextContent("Downloading 45%");
+    expect(line).toHaveTextContent("120.50 MiB | 5.20 MiB/s");
+    expect(screen.getByRole("progressbar")).toHaveAttribute("aria-valuenow", "45");
+  });
+
+  it("shows nothing while the server does not know the token yet", async () => {
+    vi.mocked(api.lanes.cloneProgress).mockImplementation(() =>
+      Promise.reject(Object.assign(new Error("no such clone"), { code: "ENOTFOUND" }))
+    );
+    render(<CloneProgress token="t" />);
+    await new Promise((r) => setTimeout(r, 20));
+    expect(screen.queryByTestId("clone-progress")).toBeNull();
+  });
+
+  it("makes tokens the server accepts", () => {
+    const a = newCloneToken();
+    expect(a).toMatch(/^[A-Za-z0-9_-]{16,64}$/);
+    expect(newCloneToken()).not.toBe(a);
+  });
+});

client/src/components/lanes/__tests__/CloneSourcesForm.test.tsx

@@ -3,7 +3,8 @@
  * an extra folder, a host that wants a login opens the login row, and Retry
  * re-runs only the failed URLs with that login. An SSH link while the
  * account has no key is never sent — the user is pointed at Settings → Git —
- * and an HTTPS host with no saved login is flagged before Clone.
+ * and an HTTPS host with no saved login is flagged before Clone. The
+ * partial-clone box adds `partial: true` to every clone.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
@@ -59,12 +60,29 @@ describe("CloneSourcesForm", () => {
 
     await waitFor(() => expect(onAdded).toHaveBeenCalledTimes(2));
     expect(api.lanes.cloneFolder).toHaveBeenLastCalledWith(3, {
+      progressToken: expect.any(String),
       url: "https://private.test/b.git",
       credentials: { username: "dev", password: "tok", remember: true },
     });
     expect(screen.getByTestId("workspace-clone-input")).toHaveValue("");
   });
 
+  it("asks for partial clones when the box is ticked", async () => {
+    const user = userEvent.setup();
+    vi.mocked(api.lanes.cloneFolder).mockResolvedValue(view);
+    render(<CloneSourcesForm laneId={3} parent="/w" onAdded={vi.fn()} />);
+    await user.type(screen.getByTestId("workspace-clone-input"), "https://h/big.git");
+    await user.click(screen.getByTestId("workspace-clone-partial"));
+    await user.click(screen.getByTestId("workspace-clone-run"));
+    await waitFor(() =>
+      expect(api.lanes.cloneFolder).toHaveBeenCalledWith(3, {
+        progressToken: expect.any(String),
+        url: "https://h/big.git",
+        partial: true,
+      })
+    );
+  });
+
   it("tells an SSH link from an HTTPS one", () => {
     expect(cloneTarget("git@github.com:o/r.git")).toEqual({ kind: "ssh", host: "github.com" });
     expect(cloneTarget("ssh://git@h.test:2222/o/r")).toEqual({ kind: "ssh", host: "h.test" });
@@ -92,7 +110,10 @@ describe("CloneSourcesForm", () => {
 
     await user.click(screen.getByTestId("workspace-clone-run"));
     await waitFor(() => expect(api.lanes.cloneFolder).toHaveBeenCalledTimes(1));
-    expect(api.lanes.cloneFolder).toHaveBeenCalledWith(3, { url: "https://h.test/a.git" });
+    expect(api.lanes.cloneFolder).toHaveBeenCalledWith(3, {
+      url: "https://h.test/a.git",
+      progressToken: expect.any(String),
+    });
     expect(await screen.findByText(/has no SSH key yet/)).toBeInTheDocument();
     expect(screen.getByTestId("workspace-clone-input")).toHaveValue("git@github.com:o/r.git");
   });

client/src/components/lanes/__tests__/LaneChangesPanel.test.tsx

@@ -1062,6 +1062,20 @@ describe("LaneChangesPanel", () => {
       );
     });
 
+    it("does not offer Undo for a top commit its upstream already holds", async () => {
+      withParent();
+      vi.mocked(api.lanes.git).mockResolvedValue(
+        facts({ hasRemote: true, upstream: "origin/feat/thing", ahead: 0, behind: 0 })
+      );
+      const user = userEvent.setup();
+      render(<LaneChangesPanel laneId={7} />);
+      await screen.findByTestId("lane-changes-overview");
+      await user.click(screen.getByRole("button", { name: "History" }));
+      const undo = within(await commitMenu(user)).getByTestId("lane-changes-menu-undo-commit");
+      await waitFor(() => expect(undo).toBeDisabled());
+      expect(undo).toHaveAttribute("title", expect.stringMatching(/already on the remote/));
+    });
+
     it("cherry-picks only from another branch's history", async () => {
       withParent();
       vi.mocked(api.lanes.git).mockResolvedValue(facts());

client/src/components/lanes/__tests__/WorkspaceHome.test.tsx

@@ -245,7 +245,9 @@ describe("WorkspaceHome", () => {
     // As the Workspace page: `&run=` replaces the home with the session view.
     function HomeUntilRun() {
       const [params] = useSearchParams();
-      return params.get("run") ? null : <WorkspaceHome lane={lane()} onMenuAction={() => undefined} />;
+      return params.get("run") ? null : (
+        <WorkspaceHome lane={lane()} onMenuAction={() => undefined} />
+      );
     }
     const user = userEvent.setup();
     render(

client/src/components/onboarding/OnboardingWizard.tsx

@@ -29,9 +29,9 @@ import { PetSettings } from "../settings/PetSettings";
 import { Swatch, THEME_LABELS } from "../settings/AppearanceSettings";
 import { markOnboarded, useOnboarding } from "../../lib/userPrefs";
 import {
-  DEFAULT_MODES,
   readDefaultMode,
   readDefaultTool,
+  SAFE_MODES,
   writeDefaultMode,
   writeDefaultTool,
   type DefaultMode,
@@ -310,7 +310,7 @@ function AgentStep() {
               writeDefaultMode(m);
               setMode(m);
             }}
-            options={DEFAULT_MODES.map((m) => ({ value: m, label: t(`agent.modes.${m}`) }))}
+            options={SAFE_MODES.map((m) => ({ value: m, label: t(`agent.modes.${m}`) }))}
           />
         </div>
         <p className="text-xs text-fg-muted">{t("agent.permissionHint")}</p>

client/src/components/onboarding/__tests__/Onboarding.test.tsx

@@ -2,7 +2,7 @@
  * @file Onboarding.test.tsx
  * @description The first-run setup (docs/plans/onboarding): the account's
  * preferences are loaded into localStorage on sign-in and every later change
- * is sent back; the starting choices never hold bypass; the wizard shows only
+ * is sent back; the wizard never offers bypass (a Settings default may hold it); the wizard shows only
  * for an account that is new to it, writes each pick like Settings does and
  * ends in the tour; the tour follows the real UI step by step.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
@@ -55,7 +55,7 @@ vi.mock("../../settings/PetSettings", () => ({
 }));
 
 import { __resetUserPrefs, hydrate, useOnboarding } from "../../../lib/userPrefs";
-import { readDefaultMode, writeDefaultMode } from "../../../lib/sessionDefaults";
+import { readDefaultMode, SAFE_MODES, writeDefaultMode } from "../../../lib/sessionDefaults";
 import { OnboardingWizard } from "../OnboardingWizard";
 import { OnboardingTour, startTour } from "../OnboardingTour";
 import { __resetAiTools } from "../../../hooks/useAiTools";
@@ -98,10 +98,12 @@ describe("account preferences", () => {
     }
   });
 
-  it("never keeps bypass as the starting permission mode", () => {
+  it("keeps a bypass default from Settings, but the pet chat's safe read and the wizard never offer it", () => {
     localStorage.setItem("agenthub.permissionMode", "bypassPermissions");
-    expect(readDefaultMode()).toBe("auto");
-    writeDefaultMode("bypassPermissions" as never);
+    expect(readDefaultMode()).toBe("bypassPermissions");
+    expect(readDefaultMode({ safe: true })).toBe("auto");
+    expect(SAFE_MODES).not.toContain("bypassPermissions");
+    writeDefaultMode("nonsense" as never);
     expect(localStorage.getItem("agenthub.permissionMode")).toBe("bypassPermissions");
     writeDefaultMode("plan");
     expect(readDefaultMode()).toBe("plan");

client/src/components/run/LaneConsolePane.tsx

@@ -218,6 +218,7 @@ export function LaneConsolePane({
             wsBaseUrl={window.location.origin.replace(/^http/, "ws")}
             autoFocus={autoFocus && !(chatable && chat)}
             covered={!!(chatable && chat)}
+            tool={handle.tool}
             // The pane died (double Ctrl+C out of `claude`, `exit`, a crash) —
             // the tab bar moves on (another tab, or the home's prompt box)
             // rather than leaving a dead terminal the user has to click out of.

client/src/components/run/PaneChat.tsx

@@ -476,7 +476,10 @@ export const PaneChat = memo(function PaneChat({
 
   // Stable, so typing in the prompt box does not re-render the conversation
   // (ConversationView is memoized).
-  const openTerminal = useCallback(() => showTerminal(runId, sessionId), [runId, sessionId]);
+  const openTerminal = useCallback(
+    () => showTerminal(runId, sessionId, run.tool),
+    [runId, sessionId, run.tool]
+  );
   const openFile = useCallback(
     (named: string) => {
       // A relative path in a reply (`server/lib/x.js`) is relative to this pane's folder.
@@ -514,7 +517,7 @@ export const PaneChat = memo(function PaneChat({
 
   const send = async () => {
     if (!text || uploading) return;
-    const out = promptForPane(prompt, images);
+    const out = promptForPane(prompt, images, claude);
     if (!(await command(out.text, out.files))) return;
     setFollow((n) => n + 1);
     setPrompt("");

client/src/components/run/PaneGrid.tsx

@@ -244,9 +244,9 @@ const ITEM =
  *  the draft (its files as paths) back into the input box, never sent. */
 /** A session's chat switched to its terminal: the unsent prompt goes into
  *  the CLI's input box, without Enter. */
-export function showTerminal(runId: string, sessionId: string) {
+export function showTerminal(runId: string, sessionId: string, tool?: string) {
   const draft = readChatDraft(sessionId);
-  const { text, files } = promptForPane(draft.prompt, draft.images);
+  const { text, files } = promptForPane(draft.prompt, draft.images, tool === "claude");
   if ((text || files.length) && pasteToRun(runId, text, files)) writeChatDraft(sessionId, "", []);
   setSessionChat(sessionId, false);
 }
@@ -265,7 +265,7 @@ function ChatToggle({ run }: { run?: RunHandle }) {
       title={label}
       aria-label={label}
       onClick={() => {
-        if (chat) return showTerminal(run.id, sessionId);
+        if (chat) return showTerminal(run.id, sessionId, run.tool);
         const draft = readChatDraft(sessionId);
         const text = takeRunInput(run.id);
         if (text)

client/src/components/run/RunSetup.tsx

@@ -67,6 +67,7 @@ import { TOKEN_TONE, promptTokens } from "../../lib/promptTokens";
 import {
   ATTACH_MIME,
   addAttachments,
+  claudeMention,
   droppedAttachments,
   droppedSkill,
   droppedText,
@@ -203,21 +204,29 @@ interface PromptEditorProps {
 export type PromptImage = { path: string; url?: string; name: string };
 
 /** The prompt as sent: the text, then each file's saved path — which is how
- *  the CLI is handed an image or a file. */
-export function promptWithImages(text: string, images: PromptImage[]): string {
-  return [text.trim(), ...images.map((i) => i.path)].filter(Boolean).join(" ");
+ *  the CLI is handed an image or a file; for `claude`, as `@` mentions. */
+export function promptWithImages(text: string, images: PromptImage[], claude = false): string {
+  return [text.trim(), ...images.map((i) => (claude ? claudeMention(i.path) : i.path))]
+    .filter(Boolean)
+    .join(" ");
 }
 
 const IMAGE_PATH = /^[^@].*\.(png|jpe?g|gif|webp)$/i;
 
-/** The prompt as pasted into a live pane: the text with every non-image file
- *  in it (as `promptWithImages`), and the images' paths apart — each goes in
- *  a paste of its own, the one shape `claude` turns into `[Image #n]` on every
- *  platform (a Windows path inside a paste of text stayed a plain path). */
+/** The prompt as pasted into a live pane. `claude`: one paste, every file an
+ *  `@` mention, and a trailing space so a mention at the end does not leave
+ *  the `@` file suggester open to swallow the Enter after it. Any other tool:
+ *  the text with every non-image file in it, and the images' paths apart,
+ *  each in a paste of its own (how `codex` attaches a pasted image path). */
 export function promptForPane(
   text: string,
-  images: PromptImage[]
+  images: PromptImage[],
+  claude = false
 ): { text: string; files: string[] } {
+  if (claude) {
+    const all = promptWithImages(text, images, true);
+    return { text: images.length ? `${all} ` : all, files: [] };
+  }
   const isImage = (i: PromptImage) => IMAGE_PATH.test(i.path);
   return {
     text: promptWithImages(text, images.filter((i) => !isImage(i))),

client/src/components/run/TerminalView.tsx

@@ -16,8 +16,8 @@
  * (`lib/terminalTheme.ts`), recoloured live without re-attaching.
  * Files (images or any other) dropped or pasted on it — Ctrl+V included — are saved on the server
  * (`POST /api/run/drop-file`) and their PATHS pasted into the pane — what a
- * local terminal does on a drop, and how `claude` attaches an image or reads
- * a file. A text drag (a Files/Changes row, a skill) is pasted as its text. The pane also registers with
+ * local terminal does on a drop — as `@` mentions in a `claude` pane, which
+ * reads them (an image as an image) when the prompt is sent. A text drag (a Files/Changes row, a skill) is pasted as its text. The pane also registers with
  * `lib/panePaste.ts`, so a diff-line comment from the Changes panel can be
  * pasted into whichever of the workspace's panes was focused last.
  * Keyboard: the terminal keeps Tab and Shift+Tab (claude cycles its permission
@@ -63,6 +63,7 @@ import { terminalThemeFor } from "../../lib/terminalTheme";
 import { api } from "../../lib/api";
 import { writeClipboard } from "../../lib/clipboard";
 import { MENU_CURSOR_ROW, notePaneFocus, registerPane } from "../../lib/panePaste";
+import { claudeMention } from "../../lib/promptAttach";
 import { attachImeInput } from "../../lib/imeInput";
 import { TERMINAL_FONTS, readTerminalFont } from "../../lib/terminalFont";
 import { FONT_SIZE_EVENT, readTerminalFontSize } from "../../lib/fontSize";
@@ -160,6 +161,9 @@ interface TerminalViewProps {
    *  so it is moved out of the viewport with a transform, which keeps its
    *  layout size (no PTY resize; the chat still reads and answers its menus). */
   covered?: boolean;
+  /** The pane's AI tool: a `claude` pane is handed a pasted or dropped file
+   *  as an `@` mention (`claudeMention`), any other one its plain path. */
+  tool?: string;
 }
 
 /** Memoized: the Workspace re-renders its pane tree on every lane_update, and
@@ -170,6 +174,7 @@ export const TerminalView = memo(function TerminalView({
   onExit,
   autoFocus = true,
   covered = false,
+  tool,
 }: TerminalViewProps) {
   const containerRef = useRef<HTMLDivElement>(null);
   // Read through a ref: an inline `onExit` from the parent changes identity on
@@ -261,7 +266,8 @@ export const TerminalView = memo(function TerminalView({
       const saved = await Promise.all(files.map((f) => api.run.dropFile(f, runId)));
       // paste(), not a raw send: it honours bracketed-paste mode, so claude
       // sees pasted paths rather than typed keystrokes.
-      termRef.current?.paste(saved.map((r) => r.path).join(" ") + " ");
+      const asText = tool === "claude" ? claudeMention : (p: string) => p;
+      termRef.current?.paste(saved.map((r) => asText(r.path)).join(" ") + " ");
       termRef.current?.focus();
       setDrop(null);
     } catch {

client/src/components/run/__tests__/PaneChat.test.tsx

@@ -430,7 +430,7 @@ describe("PaneChat — the unsent prompt", () => {
     expect(screen.getByPlaceholderText("Write a message…")).toHaveValue("half typed");
     expect(screen.getByText("a.ts")).toBeInTheDocument();
     fireEvent.click(screen.getByTestId("pane-chat-send"));
-    expect(submitToRun).toHaveBeenCalledWith("agenthub-lane-1", "half typed @src/a.ts", []);
+    expect(submitToRun).toHaveBeenCalledWith("agenthub-lane-1", "half typed @src/a.ts ", []);
     await waitFor(() => expect(localStorage.getItem("agenthub.chat.draft.s1")).toBeNull());
   });
 
@@ -462,7 +462,9 @@ describe("PaneChat — the unsent prompt", () => {
     fireEvent.click(screen.getByTestId("pane-chat-send"));
     expect(submitToRun).toHaveBeenCalledWith(
       "agenthub-lane-1",
-      'read @"/home/u/My Docs/spec.md" @/home/u/b.ts',
+      // A trailing space: an @ mention at the end would leave claude's file
+      // suggester open, and it takes the Enter.
+      'read @"/home/u/My Docs/spec.md" @/home/u/b.ts ',
       []
     );
   });

client/src/components/run/__tests__/RunSetup.test.tsx

@@ -606,4 +606,26 @@ describe("promptForPane — images apart, every other file in the text", () => {
       ],
     });
   });
+
+  it("hands claude every file as an @ mention in one paste, with a trailing space", () => {
+    // A bare pasted path stayed plain text on Windows, and a path in the
+    // command-line prompt is never an image; claude reads an @ mention at submit.
+    const images: PromptImage[] = [
+      { path: "C:\\Users\\u\\.claude\\agenthub\\drops\\f326fc666d3bdd92-image.png", name: "image.png" },
+      { path: "/data/drops/0123456789abcdef-log.txt", name: "log.txt" },
+      { path: '@"/home/u/My Docs/a.PNG"', name: "a.PNG" },
+      { path: "C:\\Users\\Jo Do\\drops\\0123456789abcdef.png", name: "b.png" },
+    ];
+    expect(promptForPane(" look ", images, true)).toEqual({
+      text:
+        'look @C:/Users/u/.claude/agenthub/drops/f326fc666d3bdd92-image.png ' +
+        '@/data/drops/0123456789abcdef-log.txt @"/home/u/My Docs/a.PNG" ' +
+        '@"C:/Users/Jo Do/drops/0123456789abcdef.png" ',
+      files: [],
+    });
+    expect(promptForPane("just text", [], true)).toEqual({ text: "just text", files: [] });
+    expect(promptWithImages("see", [images[1]!], true)).toBe(
+      "see @/data/drops/0123456789abcdef-log.txt"
+    );
+  });
 });

client/src/components/settings/SessionDefaultsSettings.tsx

@@ -0,0 +1,154 @@
+/**
+ * @file SessionDefaultsSettings — Settings → AI tools → Session defaults: the
+ * account's own starting choices for a new Claude Code session (permission
+ * mode, Bypass included) and a new Codex session (sandbox, approval, bypass),
+ * which the workspace home's prompt box starts from (`lib/sessionDefaults.ts`,
+ * synced per account). Turning bypass on as a default asks first; a pick in
+ * the prompt box still changes only that one session.
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+
+import { useState } from "react";
+import { useTranslation } from "react-i18next";
+import { ShieldAlert } from "lucide-react";
+import type { CodexApproval, CodexSandbox } from "../../lib/api";
+import { useAiTools } from "../../hooks/useAiTools";
+import { confirmDialog } from "../../lib/confirm";
+import {
+  CODEX_APPROVALS,
+  CODEX_SANDBOXES,
+  DEFAULT_MODES,
+  readCodexDefaults,
+  readDefaultMode,
+  writeCodexDefaults,
+  writeDefaultMode,
+  type DefaultMode,
+} from "../../lib/sessionDefaults";
+import { SettingsRow, SettingsSection, SettingsSegmented, SettingsSwitchRow } from "./SettingsRow";
+
+const MODE_KEYS: Record<DefaultMode, string> = {
+  auto: "Auto",
+  acceptEdits: "AcceptEdits",
+  default: "Default",
+  plan: "Plan",
+  bypassPermissions: "Bypass",
+};
+const SANDBOX_KEYS: Record<CodexSandbox, string> = {
+  "read-only": "sandboxReadOnly",
+  "workspace-write": "sandboxWorkspaceWrite",
+  "danger-full-access": "sandboxFullAccess",
+};
+const APPROVAL_KEYS: Record<CodexApproval, string> = {
+  "on-request": "approvalOnRequest",
+  never: "approvalNever",
+};
+
+function Danger({ children }: { children: string }) {
+  return (
+    <p className="flex items-start gap-2 py-2 text-xs text-status-danger">
+      <ShieldAlert className="mt-0.5 h-3.5 w-3.5 shrink-0" />
+      {children}
+    </p>
+  );
+}
+
+export function SessionDefaultsSettings() {
+  const { t } = useTranslation("settings");
+  const aiTools = useAiTools();
+  const shown = (id: string) => aiTools.tools.some((x) => x.id === id && x.enabled);
+  const [mode, setMode] = useState<DefaultMode>(() => readDefaultMode() as DefaultMode);
+  const [codex, setCodex] = useState(readCodexDefaults);
+
+  const askBypass = (tool: string) =>
+    confirmDialog({
+      title:
+        tool === "Codex"
+          ? t("sessionDefaults.codexConfirmTitle")
+          : t("sessionDefaults.confirmTitle", { tool }),
+      message: t("sessionDefaults.confirmBody", { tool }),
+      confirmLabel: t("sessionDefaults.confirmLabel"),
+    });
+
+  const pickMode = async (m: DefaultMode) => {
+    if (m === "bypassPermissions" && !(await askBypass("Claude Code"))) return;
+    writeDefaultMode(m);
+    setMode(m);
+  };
+  const patchCodex = (patch: Partial<typeof codex>) => {
+    writeCodexDefaults(patch);
+    setCodex((c) => ({ ...c, ...patch }));
+  };
+  const pickCodexBypass = async (on: boolean) => {
+    if (on && !(await askBypass("Codex"))) return;
+    patchCodex({ bypass: on });
+  };
+
+  if (!shown("claude") && !shown("codex")) return null;
+  return (
+    <SettingsSection
+      id="session-defaults"
+      title={t("sessionDefaults.title")}
+      description={t("sessionDefaults.description")}
+    >
+      {shown("claude") && (
+        <>
+          <SettingsRow
+            label={t("sessionDefaults.claudeMode")}
+            description={t("sessionDefaults.claudeModeDesc")}
+            control={
+              <SettingsSegmented
+                ariaLabel={t("sessionDefaults.claudeMode")}
+                value={mode}
+                onChange={(m) => void pickMode(m)}
+                options={DEFAULT_MODES.map((m) => ({
+                  value: m,
+                  label: t(`lanes:home.permission${MODE_KEYS[m]}`),
+                }))}
+              />
+            }
+          />
+          {mode === "bypassPermissions" && <Danger>{t("run:hint.permissionWarning")}</Danger>}
+        </>
+      )}
+      {shown("codex") && (
+        <>
+          <SettingsRow
+            label={t("sessionDefaults.codexSandbox")}
+            control={
+              <SettingsSegmented
+                ariaLabel={t("sessionDefaults.codexSandbox")}
+                value={codex.sandbox}
+                onChange={(sandbox) => patchCodex({ sandbox })}
+                options={CODEX_SANDBOXES.map((v) => ({
+                  value: v,
+                  label: t(`run:fields.${SANDBOX_KEYS[v]}`),
+                }))}
+              />
+            }
+          />
+          <SettingsRow
+            label={t("sessionDefaults.codexApproval")}
+            control={
+              <SettingsSegmented
+                ariaLabel={t("sessionDefaults.codexApproval")}
+                value={codex.approval}
+                onChange={(approval) => patchCodex({ approval })}
+                options={CODEX_APPROVALS.map((v) => ({
+                  value: v,
+                  label: t(`run:fields.${APPROVAL_KEYS[v]}`),
+                }))}
+              />
+            }
+          />
+          <SettingsSwitchRow
+            label={t("sessionDefaults.codexBypass")}
+            description={t("sessionDefaults.codexBypassDesc")}
+            checked={codex.bypass}
+            onChange={(on) => void pickCodexBypass(on)}
+          />
+          {codex.bypass && <Danger>{t("run:hint.bypassWarning", { tool: "Codex" })}</Danger>}
+        </>
+      )}
+    </SettingsSection>
+  );
+}

client/src/components/settings/__tests__/SessionDefaultsSettings.test.tsx

@@ -0,0 +1,72 @@
+/**
+ * @file SessionDefaultsSettings.test.tsx
+ * @description Session defaults: Bypass becomes Claude's default permission
+ * mode or Codex's default bypass only after the confirm, a cancelled confirm
+ * keeps the old default, the plain modes save at once, and the pet chat's
+ * safe read never returns bypass.
+ * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
+ */
+
+import { fireEvent, render, screen, waitFor } from "@testing-library/react";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { SessionDefaultsSettings } from "../SessionDefaultsSettings";
+import { confirmDialog } from "../../../lib/confirm";
+import { readCodexDefaults, readDefaultMode } from "../../../lib/sessionDefaults";
+
+const aiTools = vi.hoisted(() => ({
+  tools: [
+    { id: "claude", label: "Claude Code", installed: true, enabled: true },
+    { id: "codex", label: "Codex", installed: true, enabled: true },
+  ],
+}));
+vi.mock("../../../hooks/useAiTools", () => ({ useAiTools: () => aiTools }));
+vi.mock("../../../lib/confirm", () => ({ confirmDialog: vi.fn() }));
+const confirm = vi.mocked(confirmDialog);
+
+const radio = (name: RegExp) => screen.getAllByRole("radio", { name })[0]!;
+
+describe("SessionDefaultsSettings", () => {
+  beforeEach(() => {
+    localStorage.clear();
+    confirm.mockReset();
+  });
+
+  it("saves a plain mode without asking", () => {
+    render(<SessionDefaultsSettings />);
+    fireEvent.click(radio(/plan/i));
+    expect(confirm).not.toHaveBeenCalled();
+    expect(readDefaultMode()).toBe("plan");
+  });
+
+  it("makes Bypass Claude's default only once confirmed", async () => {
+    confirm.mockResolvedValueOnce(false);
+    render(<SessionDefaultsSettings />);
+    fireEvent.click(radio(/bypass/i));
+    await waitFor(() => expect(confirm).toHaveBeenCalledTimes(1));
+    expect(readDefaultMode()).toBe("auto");
+
+    confirm.mockResolvedValueOnce(true);
+    fireEvent.click(radio(/bypass/i));
+    await waitFor(() => expect(readDefaultMode()).toBe("bypassPermissions"));
+    expect(readDefaultMode({ safe: true })).toBe("auto");
+  });
+
+  it("turns Codex's default bypass on only once confirmed, off without asking", async () => {
+    confirm.mockResolvedValueOnce(true);
+    render(<SessionDefaultsSettings />);
+    const sw = screen.getByRole("switch");
+    fireEvent.click(sw);
+    await waitFor(() => expect(readCodexDefaults().bypass).toBe(true));
+    fireEvent.click(screen.getByRole("switch"));
+    await waitFor(() => expect(readCodexDefaults().bypass).toBe(false));
+    expect(confirm).toHaveBeenCalledTimes(1);
+  });
+
+  it("shows nothing when neither Claude nor Codex is enabled", () => {
+    const saved = aiTools.tools;
+    aiTools.tools = [];
+    const { container } = render(<SessionDefaultsSettings />);
+    expect(container.firstChild).toBeNull();
+    aiTools.tools = saved;
+  });
+});

client/src/i18n/locales/en/lanes.json

@@ -220,6 +220,14 @@
   "clone.remember": "Remember this login for my account",
   "clone.sshRefused": "{{host}} refused the SSH login. Add your public key to that host, or make one in Settings → Git.",
   "clone.sshSettings": "Open Settings → Git",
+  "clone.partial": "Partial clone (faster for big repos)",
+  "clone.partialHint": "Downloads every commit but a file's contents only when it is checked out (--filter=blob:none). Checking out an old revision later fetches from the remote.",
+  "clone.queued": "Waiting in the clone queue — #{{position}} of {{waiting}} ({{running}}/{{limit}} clones running)",
+  "clone.connecting": "Connecting…",
+  "clone.phase.remote": "Server preparing",
+  "clone.phase.receiving": "Downloading",
+  "clone.phase.resolving": "Unpacking",
+  "clone.phase.checkout": "Writing files",
   "clone.sshNoKey": "Not cloned: your account has no SSH key yet. Make one in Settings → Git, add its public key to {{host}}, then retry.",
   "moreActions": "More actions",
   "pipelinePicker.label": "Pipeline template",
@@ -299,6 +307,7 @@
   "changes.undoCommitTitle": "Undo the last commit?",
   "changes.undoCommitBody": "{{short}} \"{{subject}}\" is removed from the branch. Its changes stay staged, so you can edit them and commit again.",
   "changes.undoCommitConfirm": "Undo commit",
+  "changes.undoCommitPushed": "The last commit is already on the remote branch (as of the last fetch); undoing it would rewrite shared history. Revert it instead — or Fetch first if the remote no longer has it.",
   "changes.revertConfirm": "Add a commit on {{branch}} that undoes {{short}} \"{{subject}}\"? Files in this workspace change now.",
   "changes.cherryPickConfirm": "Apply {{short}} \"{{subject}}\" from {{from}} onto {{branch}} as a new commit? Files in this workspace change now.",
   "changes.amendTitle": "Amend the last commit?",

client/src/i18n/locales/en/run.json

@@ -50,6 +50,9 @@
     "permissionAuto": "auto (recommended - asks only for risky actions)",
     "permissionBypass": "bypassPermissions (DANGER - allows everything without asking)",
     "bypass": "Bypass permissions for this run",
+    "yolo": "YOLO",
+    "yoloHint": "YOLO mode for this session: no sandbox, no approvals (--dangerously-bypass-approvals-and-sandbox)",
+    "bypassShort": "Bypass",
     "permissionDefault": "default (interactive prompts - sessions may hang headlessly)",
     "permissionMode": "Permission mode",
     "permissionPlan": "plan (read-only planning)",

client/src/i18n/locales/en/sessions.json

@@ -210,7 +210,13 @@
     "moreSteps_other": "+{{count}} more",
     "quiet": "no new activity for {{time}}",
     "askDeclined": "Declined — no answer given",
-    "turnDone": "Done in {{time}}"
+    "turnDone": "Done in {{time}}",
+    "turnReplied": "Replied in {{time}}",
+    "agentsStill_one": "{{count}} agent still running",
+    "agentsStill_other": "{{count}} agents still running",
+    "agentsRunning_one": "{{count}} agent running in the background",
+    "agentsRunning_other": "{{count}} agents running in the background",
+    "agentContext": "{{tokens}} tokens"
   },
   "overview": {
     "agent": "Agent",

client/src/i18n/locales/en/settings.json

@@ -1307,6 +1307,20 @@
     "labelDesc": "A Claude or Codex session first shows its conversation like Claude Desktop, with a message box, instead of its terminal. Each session then keeps its own view: the chat/terminal button beside a pane's split buttons switches it. Permission prompts and menus still need the terminal.",
     "saveFailed": "Could not save: {{message}}"
   },
+  "sessionDefaults": {
+    "title": "Session defaults",
+    "description": "What a new session starts with in a workspace's prompt box. Saved for your account only; a pick in the prompt box changes only that one session.",
+    "claudeMode": "Claude Code permission mode",
+    "claudeModeDesc": "Bypass permissions lets every new Claude session run any tool without asking.",
+    "codexSandbox": "Codex sandbox",
+    "codexApproval": "Codex approval",
+    "codexBypass": "Codex: YOLO mode",
+    "codexBypassDesc": "Every new Codex session starts in YOLO mode — `--dangerously-bypass-approvals-and-sandbox`: no sandbox, no approvals.",
+    "confirmTitle": "Make bypass the default for {{tool}}?",
+    "confirmBody": "Every new {{tool}} session you start will run commands and edit files without asking, until you change this back. Use it only with folders and prompts you trust.",
+    "confirmLabel": "Make it the default",
+    "codexConfirmTitle": "Make YOLO the default for Codex?"
+  },
   "agentInstructions": {
     "title": "My agent instructions",
     "description": "Your own rules in Markdown — coding style, language, workflow. Every new session in a workspace you own starts with them, before that workspace's own instructions. Saved for your account only; sessions already running keep what they started with.",

client/src/i18n/locales/vi/lanes.json

@@ -220,6 +220,14 @@
   "clone.remember": "Lưu đăng nhập này cho tài khoản của tôi",
   "clone.sshRefused": "{{host}} từ chối đăng nhập SSH. Hãy thêm public key của bạn vào host đó, hoặc tạo key trong Cài đặt → Git.",
   "clone.sshSettings": "Mở Cài đặt → Git",
+  "clone.partial": "Clone một phần (nhanh hơn với repo lớn)",
+  "clone.partialHint": "Tải toàn bộ commit nhưng chỉ tải nội dung file khi cần checkout (--filter=blob:none). Checkout một phiên bản cũ sau này sẽ tải thêm từ remote.",
+  "clone.queued": "Đang chờ trong hàng clone — thứ {{position}}/{{waiting}} ({{running}}/{{limit}} clone đang chạy)",
+  "clone.connecting": "Đang kết nối…",
+  "clone.phase.remote": "Máy chủ đang chuẩn bị",
+  "clone.phase.receiving": "Đang tải về",
+  "clone.phase.resolving": "Đang giải nén",
+  "clone.phase.checkout": "Đang ghi file",
   "clone.sshNoKey": "Chưa clone: tài khoản của bạn chưa có SSH key. Hãy tạo key trong Cài đặt → Git, thêm public key vào {{host}}, rồi thử lại.",
   "moreActions": "Thêm hành động",
   "pipelinePicker.label": "Mẫu pipeline",
@@ -299,6 +307,7 @@
   "changes.undoCommitTitle": "Hoàn tác commit cuối?",
   "changes.undoCommitBody": "{{short}} \"{{subject}}\" sẽ bị gỡ khỏi nhánh. Thay đổi của nó vẫn được giữ ở trạng thái staged để sửa và commit lại.",
   "changes.undoCommitConfirm": "Hoàn tác commit",
+  "changes.undoCommitPushed": "Commit cuối đã có trên nhánh remote (theo lần fetch gần nhất); hoàn tác sẽ viết lại lịch sử đã chia sẻ. Hãy Revert — hoặc Fetch trước nếu remote không còn commit này.",
   "changes.revertConfirm": "Thêm một commit trên {{branch}} để đảo ngược {{short}} \"{{subject}}\"? File trong workspace sẽ thay đổi ngay.",
   "changes.cherryPickConfirm": "Áp {{short}} \"{{subject}}\" từ {{from}} vào {{branch}} thành một commit mới? File trong workspace sẽ thay đổi ngay.",
   "changes.amendTitle": "Amend commit cuối?",

client/src/i18n/locales/vi/run.json

@@ -50,6 +50,9 @@
     "permissionAuto": "auto (khuyên dùng - chỉ hỏi khi hành động rủi ro)",
     "permissionBypass": "bypassPermissions (NGUY HIỂM - cho phép tất cả mà không hỏi)",
     "bypass": "Bỏ qua xin quyền cho lần chạy này",
+    "yolo": "YOLO",
+    "yoloHint": "Chế độ YOLO cho phiên này: không sandbox, không hỏi phê duyệt (--dangerously-bypass-approvals-and-sandbox)",
+    "bypassShort": "Bỏ qua quyền",
     "permissionDefault": "default (prompt tương tác - headless sẽ treo)",
     "permissionMode": "Chế độ quyền",
     "permissionPlan": "plan (chỉ đọc, lập kế hoạch)",

client/src/i18n/locales/vi/sessions.json

@@ -210,7 +210,13 @@
     "moreSteps_other": "+{{count}} việc nữa",
     "quiet": "không có hoạt động mới trong {{time}}",
     "askDeclined": "Đã từ chối — không trả lời",
-    "turnDone": "Xong trong {{time}}"
+    "turnDone": "Xong trong {{time}}",
+    "turnReplied": "Đã trả lời trong {{time}}",
+    "agentsStill_one": "còn {{count}} agent đang chạy",
+    "agentsStill_other": "còn {{count}} agent đang chạy",
+    "agentsRunning_one": "{{count}} agent đang chạy nền",
+    "agentsRunning_other": "{{count}} agent đang chạy nền",
+    "agentContext": "{{tokens}} token"
   },
   "overview": {
     "agent": "Agent",

client/src/i18n/locales/vi/settings.json

@@ -1307,6 +1307,20 @@
     "labelDesc": "Session Claude hoặc Codex sẽ mở hội thoại như Claude Desktop, kèm ô nhập tin, thay cho terminal. Sau đó mỗi session giữ dạng xem riêng: nút chat/terminal cạnh nút split của pane để chuyển. Hỏi quyền và menu vẫn cần terminal.",
     "saveFailed": "Không lưu được: {{message}}"
   },
+  "sessionDefaults": {
+    "title": "Mặc định cho phiên mới",
+    "description": "Phiên mới bắt đầu với các lựa chọn này trong ô prompt của workspace. Chỉ lưu cho tài khoản của bạn; chọn khác trong ô prompt chỉ đổi cho phiên đó.",
+    "claudeMode": "Chế độ quyền của Claude Code",
+    "claudeModeDesc": "Bỏ qua quyền cho mọi phiên Claude mới chạy mọi tool mà không hỏi.",
+    "codexSandbox": "Sandbox của Codex",
+    "codexApproval": "Phê duyệt của Codex",
+    "codexBypass": "Codex: chế độ YOLO",
+    "codexBypassDesc": "Mọi phiên Codex mới chạy ở chế độ YOLO — `--dangerously-bypass-approvals-and-sandbox`: không sandbox, không hỏi phê duyệt.",
+    "confirmTitle": "Đặt bỏ qua quyền làm mặc định cho {{tool}}?",
+    "confirmBody": "Mọi phiên {{tool}} mới bạn mở sẽ chạy lệnh và sửa file mà không hỏi, cho tới khi bạn đổi lại. Chỉ dùng với thư mục và prompt bạn tin tưởng.",
+    "confirmLabel": "Đặt làm mặc định",
+    "codexConfirmTitle": "Đặt YOLO làm mặc định cho Codex?"
+  },
   "agentInstructions": {
     "title": "Hướng dẫn agent của tôi",
     "description": "Quy tắc riêng của bạn bằng Markdown — style code, ngôn ngữ, quy trình. Mọi session mới trong workspace của bạn đều nhận chúng, trước hướng dẫn riêng của workspace. Chỉ lưu cho tài khoản của bạn; session đang chạy giữ nội dung lúc khởi động.",

client/src/lib/api.ts

@@ -3576,11 +3576,22 @@ export const api = {
       title?: string;
       tool?: LaneTool;
       credentials?: { username: string; password: string; remember?: boolean };
+      /** Blobless clone (`--filter=blob:none`): file contents fetched on checkout. */
+      partial?: boolean;
+      /** This clone's name for {@link lanes.cloneProgress}. */
+      progressToken?: string;
     }) =>
       request<{ lane: Lane; created: boolean; path: string }>("/lanes/clone", {
         method: "POST",
         body: JSON.stringify(body),
       }),
+    /**
+     * GET /api/lanes/clone/progress/:token — a clone's place in the
+     * machine-wide queue, then git's own progress; 404 until the POST
+     * carrying `progressToken` arrives, and a minute after it ends.
+     */
+    cloneProgress: (token: string) =>
+      request<CloneProgressView>(`/lanes/clone/progress/${encodeURIComponent(token)}`),
     /**
      * GET /api/lanes/pipelines — every pipeline template the server can render
      * a lane against, built-in plus any `DASHBOARD_PIPELINES_DIR` override.
@@ -3977,6 +3988,9 @@ export const api = {
         url: string;
         name?: string;
         credentials?: { username: string; password: string; remember?: boolean };
+        /** Blobless clone, like {@link lanes.clone}'s `partial`. */
+        partial?: boolean;
+        progressToken?: string;
       }
     ) =>
       request<LaneSourcesView & { path: string }>(`/lanes/${id}/sources/clone`, {
@@ -5290,6 +5304,23 @@ export interface LaneSource {
 }
 
 /** Response shape of GET /api/lanes/:id/sources (and of every sources write). */
+/** `GET /api/lanes/clone/progress/:token` — see server/lib/clone-queue.js. */
+export interface CloneProgressView {
+  state: "queued" | "running" | "done" | "failed";
+  /** 1-based place among the waiting clones while `queued`. */
+  position: number | null;
+  /** Clones running / waiting machine-wide, and how many may run at once. */
+  running: number;
+  waiting: number;
+  limit: number;
+  phase: "remote" | "receiving" | "resolving" | "checkout" | "other" | null;
+  /** git's own words for the phase (shown for `other`). */
+  label: string | null;
+  percent: number | null;
+  /** e.g. "450/1000, 120.50 MiB | 5.20 MiB/s". */
+  detail: string | null;
+}
+
 export interface LaneSourcesView {
   instructions: string;
   /** The workspace's tool can take folders and instructions (claude, codex). */

client/src/lib/panePaste.ts

@@ -14,9 +14,10 @@
  * terminal moves the unsent prompt across (`takeRunInput` reads the TUI's
  * input box off the screen and empties it; the chat's draft is pasted back
  * without Enter), so the half-typed text is never left behind on the other side.
- * Attached images' paths go after the text, each in a paste of its own: `claude`
- * turns a paste that is only an image's path into `[Image #n]`, but left a
- * Windows path (`C:\…\drops\…png`) inside a paste of text as a plain path.
+ * Attached images' paths go after the text, each in a paste of its own — how
+ * `codex` attaches one; a `claude` pane gets every file as an `@` mention in
+ * the text instead (`promptForPane`), since a pasted path stayed a plain
+ * `C:\…\drops\…png` there on Windows.
  * The Chat view also answers a menu the CLI asks with (`parsePaneMenu` reads
  * it off the screen; `chooseRunOption`/`answerRunMenu` press its digit, the
  * arrows and Enter, or type into its "Type something" row).

client/src/lib/promptAttach.ts

@@ -4,8 +4,9 @@
  * file or folder dragged from the Files panel (`ATTACH_MIME`, read back by
  * `PromptEditor`'s drop) or from a Chat pane's activity panel
  * (`dragAttachments`, `dragSkill`: a skill becomes the prompt's `/command`) and the files uploaded through a prompt box in the
- * last day (`recentUploads`, kept in this browser). An attachment is a path
- * sent with the prompt, so nothing here touches the server.
+ * last day (`recentUploads`, kept in this browser), and `claudeMention`, the
+ * `@` form a file is handed to `claude` in. An attachment is a path sent with
+ * the prompt, so nothing here touches the server.
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
@@ -101,6 +102,19 @@ export function droppedText(
   }
 }
 
+/** An attached file as Claude Code's `@` mention, which `claude` reads at
+ *  submit — an image as an image — whether it came on the command line or in
+ *  a paste. A bare pasted PATH becomes `[Image #n]` only when the TUI catches
+ *  the paste on its own and finishes before Enter: on Windows (psmux) it
+ *  stayed a plain `C:\…\drops\…png` in the prompt, and on the command line
+ *  a path is never an image at all. A Windows path's backslashes become `/`
+ *  (Windows takes either); a path with a space is quoted. */
+export function claudeMention(path: string): string {
+  if (path.startsWith("@")) return path;
+  const p = /^[A-Za-z]:\\/.test(path) ? path.replace(/\\/g, "/") : path;
+  return /\s/.test(p) ? `@"${p}"` : `@${p}`;
+}
+
 export const SKILL_MIME = "application/x-agenthub-skill";
 // A skill's name as Claude Code types it: `name` or `plugin:name`.
 const SKILL_RE = /^[\w.-]+(?::[\w.-]+)?$/;

client/src/lib/sessionDefaults.ts

@@ -1,22 +1,37 @@
 /**
  * @file sessionDefaults.ts
  * @description The account's own starting choices for new work, picked in the
- * first-run setup (docs/plans/onboarding) and synced per account like every
- * other preference (`lib/userPrefs.ts`): the AI a new workspace starts on, and
- * the permission mode a new Claude session starts in. Bypass is NEVER one of
- * them — it stays the per-session switch (CLAUDE.md), so `bypassPermissions`
- * is refused on read and on write.
+ * first-run setup (docs/plans/onboarding) or Settings → AI tools → Session
+ * defaults, and synced per account like every other preference
+ * (`lib/userPrefs.ts`): the AI a new workspace starts on, the permission mode
+ * a new Claude session starts in, and a new Codex session's sandbox, approval
+ * and bypass. Bypass (Claude's `bypassPermissions`, Codex's bypass switch) may
+ * be a default only because the user turned it on in Settings behind a
+ * confirm — the first-run setup never offers it, and the pet chat never
+ * starts in it (`readDefaultMode({ safe: true })`).
  * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
  */
 
-import type { PermissionMode } from "./api";
+import type { CodexApproval, CodexSandbox, PermissionMode } from "./api";
 
 const TOOL_KEY = "agenthub.defaultTool";
 const MODE_KEY = "agenthub.permissionMode";
+const CODEX_SANDBOX_KEY = "agenthub.codex.sandbox";
+const CODEX_APPROVAL_KEY = "agenthub.codex.approval";
+const CODEX_BYPASS_KEY = "agenthub.codex.bypass";
 
 /** The permission modes a default may be. */
-export const DEFAULT_MODES = ["auto", "acceptEdits", "default", "plan"] as const;
+export const DEFAULT_MODES = ["auto", "acceptEdits", "default", "plan", "bypassPermissions"] as const;
 export type DefaultMode = (typeof DEFAULT_MODES)[number];
+/** The ones the first-run setup offers: never bypass. */
+export const SAFE_MODES = DEFAULT_MODES.filter((m) => m !== "bypassPermissions");
+
+export const CODEX_SANDBOXES: readonly CodexSandbox[] = [
+  "read-only",
+  "workspace-write",
+  "danger-full-access",
+];
+export const CODEX_APPROVALS: readonly CodexApproval[] = ["on-request", "never"];
 
 function read(key: string): string | null {
   try {
@@ -37,11 +52,36 @@ function write(key: string, value: string): void {
 export const readDefaultTool = (): string | null => read(TOOL_KEY);
 export const writeDefaultTool = (id: string): void => write(TOOL_KEY, id);
 
-/** The permission mode a new Claude session starts in ("auto" when none was picked). */
-export function readDefaultMode(): PermissionMode {
+/** The permission mode a new Claude session starts in ("auto" when none was
+ *  picked); `safe` turns a bypass default into "auto". */
+export function readDefaultMode({ safe = false }: { safe?: boolean } = {}): PermissionMode {
   const v = read(MODE_KEY);
+  if (safe && v === "bypassPermissions") return "auto";
   return (DEFAULT_MODES as readonly string[]).includes(v ?? "") ? (v as DefaultMode) : "auto";
 }
 export function writeDefaultMode(mode: DefaultMode): void {
   if ((DEFAULT_MODES as readonly string[]).includes(mode)) write(MODE_KEY, mode);
 }
+
+export interface CodexDefaults {
+  sandbox: CodexSandbox;
+  approval: CodexApproval;
+  bypass: boolean;
+}
+
+/** A new Codex session's sandbox, approval and bypass (Codex's own defaults when none was picked). */
+export function readCodexDefaults(): CodexDefaults {
+  const sandbox = read(CODEX_SANDBOX_KEY) as CodexSandbox | null;
+  const approval = read(CODEX_APPROVAL_KEY) as CodexApproval | null;
+  return {
+    sandbox: sandbox && CODEX_SANDBOXES.includes(sandbox) ? sandbox : "workspace-write",
+    approval: approval && CODEX_APPROVALS.includes(approval) ? approval : "on-request",
+    bypass: read(CODEX_BYPASS_KEY) === "true",
+  };
+}
+export function writeCodexDefaults(patch: Partial<CodexDefaults>): void {
+  if (patch.sandbox && CODEX_SANDBOXES.includes(patch.sandbox)) write(CODEX_SANDBOX_KEY, patch.sandbox);
+  if (patch.approval && CODEX_APPROVALS.includes(patch.approval))
+    write(CODEX_APPROVAL_KEY, patch.approval);
+  if (patch.bypass !== undefined) write(CODEX_BYPASS_KEY, String(patch.bypass === true));
+}

client/src/lib/userPrefs.ts

@@ -38,6 +38,9 @@ export const PREF_KEYS = [
   "agent-monitor-notifications",
   "agenthub.defaultTool",
   "agenthub.permissionMode",
+  "agenthub.codex.sandbox",
+  "agenthub.codex.approval",
+  "agenthub.codex.bypass",
   "agenthub.tour",
   "agenthub.workspace.allTabs",
 ] as const;

client/src/pages/SettingsHub.tsx

@@ -67,6 +67,7 @@ import { SnapshotSettings } from "../components/settings/SnapshotSettings";
 import { ReportSettings } from "../components/settings/ReportSettings";
 import { AiToolsSettings } from "../components/settings/AiToolsSettings";
 import { AgentInstructionsSettings } from "../components/settings/AgentInstructionsSettings";
+import { SessionDefaultsSettings } from "../components/settings/SessionDefaultsSettings";
 import { ArtifactsHubSettings } from "../components/settings/ArtifactsHubSettings";
 import { PricingSettings } from "../components/settings/PricingSettings";
 import { WorktreeVisibilitySettings } from "../components/settings/WorktreeVisibilitySettings";
@@ -292,6 +293,7 @@ export function SettingsHub({ section }: { section?: string } = {}) {
       render: () => (
         <div className="space-y-6">
           <AgentInstructionsSettings />
+          <SessionDefaultsSettings />
           <AiToolsSettings settingsHref={toolHref} />
           {/* The Hub's install switch: server mode, an admin's (it hides itself). */}
           <ArtifactsHubSettings />

client/src/pages/__tests__/__snapshots__/screens.snapshot.test.tsx.snap

@@ -7239,7 +7239,7 @@ exports[`screen snapshots > Settings — about 1`] = `
                 <span
                   class="text-status-warning/90"
                 >
-                  UI build v2.8.11 (rebuild client to match)
+                  UI build v2.8.12 (rebuild client to match)
                 </span>
               </p>
             </div>