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codewhale/docs/MODES.md
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Hunter Bown 7f2f47edf8 v0.7.7: stabilize sub-agent / swarm / fanout lifecycle, Windows install, and TUI polish (#246)
* wip(v0.7.7): handoff baseline of partial sub-agent stabilization

Captures uncommitted work-in-progress on the v0.7.7 stabilization lane
so subsequent fixes have a stable starting point. Subsequent commits
finish the canonical SubAgentJob/SwarmJob model, fix sidebar/transcript/
footer agreement, copy/paste/cancel contract, checklist rendering, shell
summary preservation, monotonic spend, and version provenance.

Refs #235 #236 #237 #238 #239 #240 #241 #242 #243 #244 #245

* release: bump workspace version to 0.7.7 (#245)

Refs #245

* fix(v0.7.7): canonical swarm card binding, monotonic spend, checklist + shell summary

- Add `swarm_card_index: HashMap<swarm_id, history_index>` so overlapping
  fanouts each project to their own FanoutCard. Eliminates the screenshot
  contradiction where a stale background swarm's progress clobbered a
  newer card (#236, #238).
- Suppress fanout-class tools (`agent_swarm`, `spawn_agents_on_csv`,
  `rlm`, `agent_spawn`) from `active_tool_status_label` so the footer no
  longer reports "tool agent_swarm · 1 active" while sidebar+card show
  the actual worker counts (#236, #238).
- Add `App::displayed_session_cost` + `displayed_cost_high_water` so the
  visible session+sub-agent total is monotonic across reconciliation
  events (cache discounts, provisional → final). New tests: monotonicity
  under negative reconciliation; duplicate dedup keeps display steady (#244).
- Preserve high-signal summary lines from the truncated tail of shell
  output: `test result:`, `failures:`, `error[E…]`, `Finished`,
  `Compiling`, panic markers. Stops the agent re-running cargo gates
  just to see pass/fail under truncation (#242).
- Render `checklist_write` / `todo_*` results as a purpose-built
  checklist card with completed/total + percent header, per-item status
  markers, and a collapsing affordance for long lists. Plumbed through
  the existing `GenericToolCell` so no new variant threading is needed (#241).

Refs #236 #238 #241 #242 #244

* fix(v0.7.7): Esc clears active tool entries optimistically (#243)

When Esc cancels the foreground turn we now finalize the active cell
immediately rather than waiting for the engine's TurnComplete echo to
drain. This stops the footer "tool ... · X active" chip from briefly
contradicting the cancelled state, and frees the composer for the next
message.

Background `block:false` swarms are intentionally NOT killed here — they
remain durable, tracked through `swarm_jobs` and `swarm_card_index` so
their FanoutCard updates as workers land. Subsequent `swarm_status` /
`swarm_result` / `swarm_cancel` tool calls see the canonical store.

New focused test verifies: after Esc, `active_cell` is None, the
background swarm record is preserved, and `is_loading` is cleared so
the composer can submit immediately.

Refs #243

* fix(v0.7.7): Windows .exe lookup + post-turn snapshot detach (#247, #234)

#247 — npm-distributed Windows package failed at runtime because the
Rust dispatcher's `delegate_to_tui` / `delegate_simple_tui` looked for a
sibling named exactly "deepseek-tui", while the actual file shipped by
`scripts/install.js` is `deepseek-tui.exe`. Replace both lookups with
`locate_sibling_tui_binary`, which:

- Honours `DEEPSEEK_TUI_BIN` for explicit overrides
- Tries `deepseek-tui{EXE_SUFFIX}` first (`.exe` on Windows, "" elsewhere)
- Falls back to suffix-less `deepseek-tui` on Windows so users who
  applied the issue's manual workaround still launch successfully
- Emits a platform-correct error path in the bail message

Tests: `sibling_tui_candidate_picks_platform_correct_name`,
`sibling_tui_candidate_windows_falls_back_to_suffixless` (windows-only),
`locate_sibling_tui_binary_honours_env_override`.

#234 — Detach the post-turn workspace snapshot so `git add -A && git
commit` no longer pins the engine loop after `Event::TurnComplete`.
The snapshot still runs on `tokio::task::spawn_blocking`, but the
engine no longer awaits its `JoinHandle`, so the UI accepts input
(text, copy, paste, selection) without waiting for the bookkeeping to
finish. Cycle advance and pre-turn snapshot remain awaited — they are
correctness-sensitive and the cycle path already emits a status chip
("↻ context refreshing…") so the user has visible feedback.

Refs #234 #247

* chore(v0.7.7): bump npm package version 0.7.6 → 0.7.7

Required by `scripts/release/check-versions.sh` ("Version drift" CI
gate); the workspace was bumped to 0.7.7 but `npm/deepseek-tui/package.json`
still reported 0.7.6, blocking PR #246 from going green.

Refs #245
2026-04-30 07:26:26 -05:00

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# Modes and Approvals
DeepSeek TUI has two related concepts:
- **TUI mode**: what kind of visible interaction you're in (Plan/Agent/YOLO).
- **Approval mode**: how aggressively the UI asks before executing tools.
## TUI Modes
Press `Tab` to complete composer menus, queue a draft as a next-turn follow-up
while a turn is running, or cycle through the visible modes when the composer is
otherwise idle: **Plan → Agent → YOLO → Plan**.
Press `Shift+Tab` to cycle reasoning effort.
- **Plan**: design-first prompting. Read-only investigation tools stay available; shell and patch execution stay off. Use this when you want to think out loud and produce a plan to hand to a human (yourself later, or a reviewer).
- **Agent**: multi-step tool use. Approvals for shell and paid tools (file writes are allowed without a prompt).
- **YOLO**: enables shell + trust mode and auto-approves all tools. Use only in trusted repos.
All three modes have access to the `rlm_query` tool — a structured tool call that fans out 116 cheap parallel children on `deepseek-v4-flash`. The model reaches for it when work is decomposable.
## Compatibility Notes
- `/normal` is a hidden compatibility alias that switches to `Agent`.
- Older settings files with `default_mode = "normal"` still load as `agent`; saving rewrites the normalized value.
## Escape Key Behavior
`Esc` is a cancel stack, not a mode switch.
- Close slash menus or transient UI first.
- Cancel the active request if a turn is running.
- Discard a queued draft if the composer is empty.
- Clear the current input if text is present.
- Otherwise it is a no-op.
## Approval Mode
You can override approval behavior at runtime:
```text
/config
# edit the approval_mode row to: suggest | auto | never
```
Legacy note: `/set approval_mode ...` was retired in favor of `/config`.
- `suggest` (default): uses the per-mode rules above.
- `auto`: auto-approves all tools (similar to YOLO approval behavior, but without forcing YOLO mode).
- `never`: blocks any tool that isn't considered safe/read-only.
## Small-Screen Status Behavior
When terminal height is constrained, the status area compacts first so header/chat/composer/footer remain visible:
- Loading and queued status rows are budgeted by available height.
- Queued previews collapse to compact summaries when full previews do not fit.
- `/queue` workflows remain available; compact status only affects rendering density.
## Workspace Boundary and Trust Mode
By default, file tools are restricted to the `--workspace` directory. Enable trust mode to allow file access outside the workspace:
```text
/trust
```
YOLO mode enables trust mode automatically.
## MCP Behavior
MCP tools are exposed as `mcp_<server>_<tool>` and use the same approval flow as built-in tools. Read-only MCP helpers may auto-run in suggestive approval modes; MCP tools with possible side effects require approval.
See `MCP.md`.
## Related CLI Flags
Run `deepseek --help` for the canonical list. Common flags:
- `-p, --prompt <TEXT>`: one-shot prompt mode (prints and exits)
- `--model <MODEL>`: when using the `deepseek` facade, forward a DeepSeek model override to the TUI
- `--workspace <DIR>`: workspace root for file tools
- `--yolo`: start in YOLO mode
- `-r, --resume <ID|PREFIX|latest>`: resume a saved session
- `-c, --continue`: resume the most recent session
- `--max-subagents <N>`: clamp to `1..=20`
- `--no-alt-screen`: run inline without the alternate screen buffer
- `--mouse-capture` / `--no-mouse-capture`: opt in or out of internal mouse scrolling, transcript selection, and right-click context actions. Mouse capture is enabled by default when the alternate screen is active; use `--no-mouse-capture` when you need terminal-native drag selection.
- `--profile <NAME>`: select config profile
- `--config <PATH>`: config file path
- `-v, --verbose`: verbose logging