62 lines
4.2 KiB
Markdown
62 lines
4.2 KiB
Markdown
---
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summary: "Directive syntax for /think + /verbose and how they affect model reasoning"
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read_when:
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- Adjusting thinking or verbose directive parsing or defaults
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---
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# Thinking Levels (/think directives)
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## What it does
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- Inline directive in any inbound body: `/t <level>`, `/think:<level>`, or `/thinking <level>`.
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- Levels (aliases): `off | minimal | low | medium | high | xhigh` (GPT-5.2 + Codex models only)
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- minimal → “think”
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- low → “think hard”
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- medium → “think harder”
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- high → “ultrathink” (max budget)
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- xhigh → “ultrathink+” (GPT-5.2 + Codex models only)
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- `highest`, `max` map to `high`.
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- Provider notes:
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- Z.AI (`zai/*`) only supports binary thinking (`on`/`off`). Any non-`off` level is treated as `on` (mapped to `low`).
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## Resolution order
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1. Inline directive on the message (applies only to that message).
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2. Session override (set by sending a directive-only message).
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3. Global default (`agents.defaults.thinkingDefault` in config).
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4. Fallback: low for reasoning-capable models; off otherwise.
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## Setting a session default
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- Send a message that is **only** the directive (whitespace allowed), e.g. `/think:medium` or `/t high`.
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- That sticks for the current session (per-sender by default); cleared by `/think:off` or session idle reset.
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- Confirmation reply is sent (`Thinking level set to high.` / `Thinking disabled.`). If the level is invalid (e.g. `/thinking big`), the command is rejected with a hint and the session state is left unchanged.
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- Send `/think` (or `/think:`) with no argument to see the current thinking level.
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## Application by agent
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- **Embedded Pi**: the resolved level is passed to the in-process Pi agent runtime.
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## Verbose directives (/verbose or /v)
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- Levels: `on|full` or `off` (default).
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- Directive-only message toggles session verbose and replies `Verbose logging enabled.` / `Verbose logging disabled.`; invalid levels return a hint without changing state.
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- `/verbose off` stores an explicit session override; clear it via the Sessions UI by choosing `inherit`.
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- Inline directive affects only that message; session/global defaults apply otherwise.
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- Send `/verbose` (or `/verbose:`) with no argument to see the current verbose level.
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- When verbose is on, agents that emit structured tool results (Pi, other JSON agents) send each tool result back as its own metadata-only message, prefixed with `<emoji> <tool-name>: <arg>` when available (path/command); the tool output itself is not forwarded. These tool summaries are sent as soon as each tool finishes (separate bubbles), not as streaming deltas. If you toggle `/verbose on|off` while a run is in-flight, subsequent tool bubbles honor the new setting.
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## Reasoning visibility (/reasoning)
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- Levels: `on|off|stream`.
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- Directive-only message toggles whether thinking blocks are shown in replies.
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- When enabled, reasoning is sent as a **separate message** prefixed with `Reasoning:`.
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- `stream` (Telegram only): streams reasoning into the Telegram draft bubble while the reply is generating, then sends the final answer without reasoning.
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- Alias: `/reason`.
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- Send `/reasoning` (or `/reasoning:`) with no argument to see the current reasoning level.
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## Related
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- Elevated mode docs live in [Elevated mode](/tools/elevated).
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## Heartbeats
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- Heartbeat probe body is the configured heartbeat prompt (default: `Read HEARTBEAT.md if it exists (workspace context). Follow it strictly. Do not infer or repeat old tasks from prior chats. If nothing needs attention, reply HEARTBEAT_OK.`). Inline directives in a heartbeat message apply as usual (but avoid changing session defaults from heartbeats).
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- Heartbeat delivery defaults to the final payload only. To also send the separate `Reasoning:` message (when available), set `agents.defaults.heartbeat.includeReasoning: true` or per-agent `agents.list[].heartbeat.includeReasoning: true`.
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## Web chat UI
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- The web chat thinking selector mirrors the session's stored level from the inbound session store/config when the page loads.
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- Picking another level applies only to the next message (`thinkingOnce`); after sending, the selector snaps back to the stored session level.
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- To change the session default, send a `/think:<level>` directive (as before); the selector will reflect it after the next reload.
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