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Documentation Index

Fetch the complete documentation index at: https://docs.eluu.ai/llms.txt

Use this file to discover all available pages before exploring further.

The composer is the input area at the bottom of every chat. It’s the surface you’ll spend the most time in.

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Textarea

  • Auto-grows as you type, up to roughly 192 px tall before scrolling.
  • Placeholder reads How can I help you today? in a new chat, or Reply... in an ongoing session.
  • Pasting a very long block of text auto-attaches it as a file rather than filling the textarea — useful for log dumps, transcripts, or pasted documents.

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Send button — five states

The button on the right of the composer changes based on what your colleague is doing.
StateWhenWhat it does
Send (active)You’ve typed something, or the colleague is idleSends your message
Send (inactive)Empty textarea, colleague idleDisabled
PauseColleague is busy, textarea is emptyPauses the colleague mid-task
PausingYou’ve pressed Pause and the system is settlingDisabled, shows a spinner
ResumeColleague is paused, textarea is emptyResumes from where it stopped
If you start typing while the colleague is paused or busy, the button switches back to Send and your message queues. See Pause and resume for the full state machine.

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Attach files

Click the + icon to attach files, or drag and drop them onto the composer.
LimitValue
Max file size50 MB
Max files per message10
Blocked extensions.exe, .bat, .sh, .cmd, .com, .msi, .scr
There’s no MIME-type allowlist beyond the blocked extensions. Documents, code, spreadsheets, images, PDFs, and archives all work.
Pasting a very long string into the textarea auto-attaches it as a file. Useful when copying logs from a terminal or text from a PDF.
If a file fails to upload, it stays in the tray with an error state — you can dismiss it, but it won’t block sending. Eluu excludes errored files from the message.

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Model picker

The pill above the send button shows the current model (e.g. Claude Opus 4.7). Click it to open a picker grouped by provider.
  • The list of models you see depends on your team’s plan and any BYOK keys you’ve added.
  • Models marked with a lock icon aren’t available on your current plan.
  • Your selection persists per colleague — switch colleagues and the picker remembers each one’s last-used model.

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Thinking level — six values

If the selected model supports reasoning, a Thinking: … pill appears next to the model picker. Six values:
ValueLabel
noneOff
lowLow
mediumMedium
highHigh
xhighX-High
maxMax
Higher levels make the colleague reason longer before answering. Hard analytical questions, multi-step plans, and ambiguous data benefit from High or above. Quick lookups and short answers usually run faster on Off or Low. The pill hides entirely if the selected model doesn’t support thinking.

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Slash commands

Type / at the start of the textarea to open the command picker.
  • /research and /create-plan are built-in.
  • Each colleague can define its own commands — they appear below the built-ins.
Pick a command with arrow keys + Enter, or click. The command becomes a chip before the textarea, and you type the rest of your message after it. Press the chip’s × or Backspace at column 0 to remove it. See Slash commands for the full reference.

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Keyboard

KeyAction
EnterSend (or select highlighted slash command, if the picker is open)
Shift + EnterNewline
EscClose the slash command picker
Arrow Up / DownMove highlight in the slash picker

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Drag and drop

Drag files from your desktop onto the composer to attach them. The whole pane shows a drop overlay while you drag.

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Pasting

Paste images and files from your clipboard the same way you’d paste text — they become attachments.

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Where to next

Slash commands

The two built-ins and how to add your own.

Models and thinking

Pick the right model and reasoning depth for the work.

Pause and resume

Stop a colleague mid-task and pick up later.

Attachments

What file types your colleague can read, and how it uses them.