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The chat in the inspector is for a question. Agent mode is for a job. Press Cmd+Option+Shift+A, or pick Agent under View > Mode or under Mode in the toolbar’s Actions menu, and the window’s three columns become the sessions on this connection, the conversation, and what that session proposed and ran. Nothing closes. The object browser and the editor tabs are where you left them, and Browse in the same place puts them back: the same tabs, the same scroll position and selection in the grid, the same undo stack and find panel in the editor, and a half-typed Create Table still half-typed.

The three columns

The choice is per connection, so one connection sits in Agent mode while another in the same window stays on a table. Drag either divider to resize; the widths are the ones the window already had. While the mode is on, the window names the session it is drawing, or Agent until the session has a name, and carries no file icon in its titlebar. The editor tab strip goes with the tabs it lists, and the sidebar’s Tables and Favorites chooser and filter field go with the object list: the session rail takes their height. A line above the transcript names the connection, the session, and what is holding Safe Mode at the level it is on. Point at that last part for the full sentence.

Writes wait for you

Agent mode holds the connection at Safe Mode Alert for as long as the mode is on, whatever level the connection itself is set to. Every INSERT, UPDATE and DELETE the assistant proposes waits on its card for Run or Reject. Nothing below Alert is offered while the mode is on: the padlock and Database > Safe Mode Level list the levels at or above it and print the reason underneath, and the padlock’s tooltip carries the same sentence. A connection already at Alert or stricter keeps its own level, and Read-Only stays read-only. Leaving Agent mode hands back the level you set, and nothing is written to the connection. Each card names the statement and the connection it will run against, and shows the database when the assistant named one. The full request is one click away under the tool name.
The floor is a habit, not a lock. It is one keystroke from off, so treat it as a reminder that a write is about to happen rather than as protection against one. What actually holds the assistant is the connection’s AI Policy and Safe Mode, which apply in both modes.
DROP, TRUNCATE and ALTER…DROP are unchanged: each one is confirmed on its own every time, and no standing grant covers the next.

Sessions

A session belongs to one connection and holds one conversation. Switching to Agent mode opens the first. The list runs newest first by when each session last did something, and the one the window is drawing carries a checkmark. Clicking a row highlights it and nothing more. To open one, double-click it, press Return on it, or choose Open Session from its context menu. + and - at the foot of the column start a session and delete one. Close Session ends a session and keeps its transcript in the list, to be opened again later. It asks first only when the session is working or waiting on your answer, and says which. Delete Session… throws the session and its conversation away, always asks, and names what it is about to stop; the - button, the context menu and the Delete key all reach it. Close or delete the session the window is drawing and the most recent live session takes its place. With none left, the two columns read No Session Open and offer New Session. Closing a window stops that connection’s sessions and keeps what they said. Open one again and it continues. Nothing is replayed: a statement that was waiting for an answer when the window closed was rejected by the stop, so the assistant is asked again rather than the call being re-issued. Sessions stay on this Mac. They are not part of iCloud sync.

From the menu bar

File > Session holds the same commands, so a session is reachable with the rail collapsed: New Session, Open Session, Close Session, Delete Session and New Conversation ship with no shortcut. Bind one in Settings > Keyboard, under Navigation.

The result pane

Two views of one session, chosen from the menu at the trailing end of the column’s header. The choice belongs to the session, so switching sessions does not inherit the other one’s view. Results is the data grid, so sorting, column widths, selection and Cmd+C work the way they do in a query tab, and values use the Data Grid font. A query the session ran more than once has a picker above the rows. A run with no rows to draw says which of three things happened: No Rows for a query that matched nothing, Statement Completed for a write, with the number of rows it changed, and Can’t Show This Result for a reply the grid cannot read, which the conversation still has in full. Cmd+Option+I opens and closes this column, and the View menu’s item reads Show Result while the mode is on. The column itself reads No Session Open until a session starts, and Not Connected while the connection is down.

When the connection drops

The conversation column is replaced by the same unavailable screen browsing shows: the error itself, Manage Connections…, and Reconnect for a connection that dropped or Try Again for one that failed. Reconnecting puts the same session and the same transcript back.

What Agent mode dims

The commands that act on the browse content have nothing to act on while the conversation fills the detail column, so the menu bar dims them: Refresh, Save, Add Row, Restore Previous Values…, Preview SQL, Show Results, Show Query History, New Tab, Open Quickly…, Export Tables…, Import Data…, Server Dashboard, Back and Forward. The toolbar drops Refresh and the commit control outright, and dims any of the rest you added to it. Everything that acts on the window or the session stays live: Switch Connection…, Close Connection, Safe Mode Level, Mode, and every command under File > Session.

Starting from the welcome window

Right-click a connection in the welcome window and choose Open in Agent Mode. The connection opens with its window already in Agent mode, and a connection that is already open switches where it stands rather than opening a second time. The composer stays live while a connection is still being made, so a question typed during the connect is sent once the session can take it.