SynaraComposer & attachments
Everything you can feed an agent — files, images, folders, screenshots, inline comments, and pasted context.
The composer is more than a text box. The more precise the context you attach, the less the agent has to guess — these are the tools for that.
Attach files and images
Drag files or images into the composer, paste them, or use mentions. Attachments render as chips and cards, previews are worktree-aware, and paths with spaces or parentheses survive intact. Browsing your prompt history keeps a draft's attachments instead of stripping them.
Mention folders
A folder mention opens a real local directory picker, so you can drill into nearby files without typing paths by hand.
Paste large text as cards
Big pasted blocks collapse into attachment-style cards with line and character counts. They stay expandable, keep the composer readable, and survive message edits.
Comment on specific lines
From file previews you can leave focused, line-level comments and send them with your next prompt. This is the highest-signal way to say "change this, not the whole file."
Reuse assistant output
Select part of an assistant response and send it back as a structured attachment in your next prompt — useful for "take this plan and implement step 2".
AppSnap: capture any window
On macOS, press both Option keys to capture the active window of any app and attach it to the current task. It is opt-in with a setup panel and permission guidance; captures persist through navigation and restarts until you send them. Perfect for "make it look like this" or attaching an error dialog from another app.
Thread modes
/planswitches the thread into plan mode: the agent proposes an approach before executing, and can pause to ask you multi-select questions you answer with "Submit answers"./defaultreturns to normal mode./fasttoggles fast mode for the thread;/compactfrees context;/statusshows context usage and rate limits.- Checkpoints let you revert a thread to an earlier state — Synara refuses the revert while a turn is still running, so you can't pull the rug out from under an active agent.
The full command list is in the slash-commands reference.
Quick keys
cmd+lfocuses (or blurs) the composer from anywhere outside the terminal.mod+shift+mopens the model picker;alt+]/alt+[cycle models without it.mod+shift+eopens the reasoning/effort picker.
What the agent produces flows back through the same panel system — terminals, browser previews, diffs, and generated images render beside the conversation. See Core concepts.