Give bots tools and MCP servers per bot and workspace, with status and tests

- Bots and workspaces get tools and MCP servers from their settings
  pages; bots also from chips under the chat composer, removable there
- "Every bot" now gives one to every bot now and every new bot; each can
  still drop it (attach-every-bot-extensions.ts moves old installs over)
- Status lines: MCP servers record whether they connect, tools whether
  their last run worked
- Test connection in the MCP form and a Test panel in the tool form check
  the form as it is, without saving
- Hide Google sign-in on the login form

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/pages/admin/settings/(partials)/extension-row.tsx

@@ -0,0 +1,37 @@
+import IconTile from "@/src/components/general/icon-tile";
+import extensionIcon from "@/src/components/general/extension-icon";
+import type { BotExtension } from "@/src/types";
+import SettingsListRow from "./settings-list-row";
+import SettingsRowAction from "./settings-row-action";
+
+type Props = {
+    item: BotExtension;
+    busy?: boolean;
+    onRemove?: () => void;
+};
+
+/**
+ * One MCP server or tool a bot or workspace has, and whether it's working.
+ */
+export default function ExtensionRow({ item, busy, onRemove }: Props) {
+    const state = !item.enabled
+        ? "Off for every bot"
+        : item.state == "error"
+          ? "Not working"
+          : item.state == "untested"
+            ? "Not checked yet"
+            : "";
+
+    return (
+        <SettingsListRow
+            avatar={<IconTile Icon={extensionIcon({ kind: item.kind })} />}
+            title={item.name}
+            href={item.kind == "mcp" ? "/admin/settings/mcps" : "/admin/settings/tools"}
+            subtitle={[item.detail, state].filter(Boolean).join(" · ")}
+        >
+            {onRemove ? (
+                <SettingsRowAction title={`Remove ${item.name}`} label="Remove" disabled={busy} onClick={onRemove} />
+            ) : null}
+        </SettingsListRow>
+    );
+}