feat: move session sharing and collab rooms into a plugin (B12)

plugins/ssh-terminal/src/frontend/terminal/Terminal.tsx

@@ -784,8 +784,30 @@ const TerminalInner = forwardRef<TerminalHandle, SSHTerminalProps>(
         openSidePanel: (panelId, props) =>
           setDock({ id: panelId, props: props ?? {} }),
         runCommand: handleRunCommandInTerminal,
+        getShareTarget: () =>
+          isConnected &&
+          !isQuickConnect &&
+          !hostConfig.joinShareId &&
+          typeof hostConfig.id === "number" &&
+          sessionIdRef.current
+            ? {
+                hostId: hostConfig.id,
+                sessionId: sessionIdRef.current,
+                protocol: "ssh" as const,
+                tabInstanceId: hostConfig.instanceId,
+              }
+            : null,
       }),
-      [host, terminal, handleRunCommandInTerminal],
+      [
+        host,
+        terminal,
+        handleRunCommandInTerminal,
+        isConnected,
+        isQuickConnect,
+        hostConfig.joinShareId,
+        hostConfig.id,
+        hostConfig.instanceId,
+      ],
     );
 
     const overlayProps = useMemo<TerminalOverlayProps>(
@@ -1423,27 +1445,8 @@ const TerminalInner = forwardRef<TerminalHandle, SSHTerminalProps>(
             onOpenFileManager?.("/");
           }
         },
-        getShareTarget: () =>
-          isConnected &&
-          !isQuickConnect &&
-          !hostConfig.joinShareId &&
-          typeof hostConfig.id === "number" &&
-          sessionIdRef.current
-            ? {
-                hostId: hostConfig.id,
-                sessionId: sessionIdRef.current,
-                protocol: "ssh" as const,
-                tabInstanceId: hostConfig.instanceId,
-              }
-            : null,
       }),
-      [
-        isConnected,
-        terminal,
-        isQuickConnect,
-        hostConfig.joinShareId,
-        hostConfig.id,
-      ],
+      [isConnected, terminal],
     );
 
     function getCopyOnSelect() {

plugins/ssh-terminal/src/frontend/terminal/terminal-slots.ts

@@ -29,6 +29,16 @@ export interface TerminalSlotApi {
   openSidePanel: (panelId: string, props?: Record<string, unknown>) => void;
   /** Types a command into the session and runs it. */
   runCommand: (command: string) => void;
+  /**
+   * What sharing this session needs, or null while there is nothing to share
+   * (not connected yet, a quick connect, or a session joined from a share).
+   */
+  getShareTarget: () => {
+    hostId: number;
+    sessionId: string;
+    protocol: "ssh";
+    tabInstanceId?: string;
+  } | null;
 }
 
 export interface TerminalToolbarStatusProps {

plugins/ssh-terminal/src/frontend/terminal/terminal-types.ts

@@ -33,11 +33,4 @@ export interface TerminalHandle {
   notifyResize: () => void;
   refresh: () => void;
   getApplicationCursorKeysMode: () => boolean;
-  /** What the shell's share action needs, or null while there is nothing to share. */
-  getShareTarget: () => {
-    hostId: number;
-    sessionId: string;
-    protocol: "ssh";
-    tabInstanceId?: string;
-  } | null;
 }