Thinking Levels

- Inline directive in any inbound body: ''/t <level>'', ''/think:<level>'', or ''/thinking <level>''.

- Levels (aliases): ''off | minimal | low | medium | high | xhigh'' (GPT-5.2 + Codex models only)

- minimal → "think"

- low → "think hard"

- medium → "think harder"

- high → "ultrathink" (max budget)

- xhigh → "ultrathink+" (GPT-5.2 + Codex models only)

- ''highest'', ''max'' map to ''high''.

- Provider notes:

- Z.AI (''zai/*'') only supports binary thinking (''on''/''off''). Any non-''off'' level is treated as ''on'' (mapped to ''low'').

1. Inline directive on the message (applies only to that message).

2. Session override (set by sending a directive-only message).

3. Global default (''agents.defaults.thinkingDefault'' in config).

4. Fallback: low for reasoning-capable models; off otherwise.

- Send a message that is ''only'' the directive (whitespace allowed), e.g. ''/think:medium'' or ''/t high''.

- That sticks for the current session (per-sender by default); cleared by ''/think:off'' or session idle reset.

- 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.

- Send ''/think'' (or ''/think:'') with no argument to see the current thinking level.

- Embedded Pi: the resolved level is passed to the in-process Pi agent runtime.

- Levels: ''on'' (minimal) | ''full'' | ''off'' (default).

- Directive-only message toggles session verbose and replies ''Verbose logging enabled.'' / ''Verbose logging disabled.''; invalid levels return a hint without changing state.

- ''/verbose off'' stores an explicit session override; clear it via the Sessions UI by choosing ''inherit''.

- Inline directive affects only that message; session/global defaults apply otherwise.

- Send ''/verbose'' (or ''/verbose:'') with no argument to see the current verbose level.

- When verbose is on, agents that emit structured tool results (Pi, other JSON agents) send each tool call back as its own metadata-only message, prefixed with ''<emoji> <tool-name>: <arg>'' when available (path/command). These tool summaries are sent as soon as each tool starts (separate bubbles), not as streaming deltas.

- When verbose is ''full'', tool outputs are also forwarded after completion (separate bubble, truncated to a safe length). If you toggle ''/verbose on|full|off'' while a run is in-flight, subsequent tool bubbles honor the new setting.

- Levels: ''on|off|stream''.

- Directive-only message toggles whether thinking blocks are shown in replies.

- When enabled, reasoning is sent as a ''separate message'' prefixed with ''Reasoning:''.

- ''stream'' (Telegram only): streams reasoning into the Telegram draft bubble while the reply is generating, then sends the final answer without reasoning.

- Alias: ''/reason''.

- Send ''/reasoning'' (or ''/reasoning:'') with no argument to see the current reasoning level.

- Elevated mode docs live in ''Elevated mode''.

- 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).

- 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''.

- The web chat thinking selector mirrors the session's stored level from the inbound session store/config when the page loads.

- Picking another level applies only to the next message (''thinkingOnce''); after sending, the selector snaps back to the stored session level.

- To change the session default, send a ''/think:<level>'' directive (as before); the selector will reflect it after the next reload.