dgf1988/codewhale

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reidliu41 4f8eff0c69 refactor: unify mode switching under /mode

Replace the separate /agent, /plan, and /yolo commands with a single
  /mode command that can either open a picker or switch directly by name
  or number.

  This keeps mode switching in one command surface and avoids duplicating
  similar commands for each mode.

2026-05-10 08:15:19 -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. Run /mode to open the mode picker, or switch directly with /mode agent, /mode plan, /mode yolo, /mode 1, /mode 2, or /mode 3.

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 tool. Inside its Python REPL, llm_query_batched fans out 1–16 cheap parallel child calls pinned to deepseek-v4-flash. The model reaches for it when work is decomposable.

Compatibility Notes

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:

/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:

/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.

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 in this workspace
--max-subagents <N>: clamp to 1..=20
--mouse-capture / --no-mouse-capture: opt in or out of internal mouse scrolling, transcript selection, right-click context actions, and transcript scrollbar dragging. Mouse capture is enabled by default on non-Windows terminals so drag selection copies only transcript text and stays scoped to the transcript pane; hold Shift while dragging or use --no-mouse-capture for raw terminal selection. It defaults off on Windows (CMD/terminal mouse-escape spam in the prompt) and inside JetBrains JediTerm — PyCharm/IDEA/CLion/etc. — where the terminal advertises mouse support but forwards SGR mouse events as raw text (#878, #898). Use --mouse-capture to opt in anywhere it's defaulted off. On Windows, raw terminal selection may cross the right sidebar because the terminal, not the TUI, owns the selection.
--profile <NAME>: select config profile
--config <PATH>: config file path
-v, --verbose: verbose logging

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