opencode chat frontend implementation

packages/frontend/src/components/chat.tsx

@@ -0,0 +1,102 @@
+import { useState } from "react";
+import { Button } from "@/components/ui/button";
+import Icon from "@/components/ui/icon";
+import { useChatMutation, useSelectedOrganisation, useSelectedProject } from "@/lib/query/hooks";
+import { parseError } from "@/lib/server";
+import { IconButton } from "./ui/icon-button";
+import { Input } from "./ui/input";
+
+export function Chat() {
+  const selectedOrganisation = useSelectedOrganisation();
+  const selectedProject = useSelectedProject();
+  const chatMutation = useChatMutation();
+
+  const [isOpen, setIsOpen] = useState(false);
+  const [message, setMessage] = useState("");
+  const [response, setResponse] = useState<string>("");
+  const [error, setError] = useState<string | null>(null);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+
+    if (!message.trim()) return;
+    if (!selectedOrganisation || !selectedProject) {
+      setError("Please select an organisation and project first");
+      return;
+    }
+
+    setError(null);
+    setResponse("");
+
+    try {
+      const data = await chatMutation.mutateAsync({
+        orgId: selectedOrganisation.Organisation.id,
+        projectId: selectedProject.Project.id,
+        message: message.trim(),
+      });
+      setResponse(data.text);
+      setMessage("");
+    } catch (err) {
+      const errorMessage = parseError(err as Error);
+      setError(errorMessage);
+    }
+  };
+
+  return (
+    <>
+      <IconButton
+        onClick={() => setIsOpen(!isOpen)}
+        className="fixed bottom-4 left-1/2 -translate-x-1/2 z-50 rounded-full"
+        size="lg"
+        variant="outline"
+      >
+        <Icon icon={isOpen ? "x" : "handsUp"} className="size-5" />
+      </IconButton>
+
+      {isOpen && (
+        <div className="fixed bottom-20 left-1/2 -translate-x-1/2 z-40 w-full max-w-2xl mx-4 bg-background border shadow-xl">
+          <div className="flex flex-col p-2">
+            <form onSubmit={handleSubmit} className="flex flex-col gap-2">
+              {response && (
+                <div className="p-4 border max-h-60 overflow-y-auto">
+                  <p className="text-sm whitespace-pre-wrap">{response}</p>
+                </div>
+              )}
+
+              {chatMutation.isPending && (
+                <div className="flex justify-center py-4">
+                  <Icon icon="loader" size={32} className="animate-spin" />
+                </div>
+              )}
+
+              <div className="flex items-center gap-2">
+                <Input
+                  value={message}
+                  onChange={(e: React.ChangeEvent<HTMLInputElement>) => setMessage(e.target.value)}
+                  placeholder={`Ask me anything about the ${selectedProject?.Project.name || "..."} project...`}
+                  disabled={chatMutation.isPending}
+                  showCounter={false}
+                />
+
+                <Button
+                  type="submit"
+                  disabled={
+                    chatMutation.isPending || !message.trim() || !selectedOrganisation || !selectedProject
+                  }
+                >
+                  {chatMutation.isPending ? "Sending..." : "Send"}
+                </Button>
+              </div>
+            </form>
+
+            {error && (
+              <div className="p-4 bg-destructive/10 border border-destructive">
+                <p className="text-destructive text-sm">{error}</p>
+              </div>
+            )}
+          </div>
+        </div>
+      )}
+    </>
+  );
+}

packages/frontend/src/components/ui/field.tsx

@@ -15,6 +15,7 @@ export function Field({
   spellcheck,
   maxLength,
   showCounter = true,
+  disabled = false,
 }: {
   label: string;
   value?: string;
@@ -28,6 +29,7 @@ export function Field({
   spellcheck?: boolean;
   maxLength?: number;
   showCounter?: boolean;
+  disabled?: boolean;
 }) {
   const [internalTouched, setInternalTouched] = useState(false);
   const isTouched = submitAttempted || internalTouched;
@@ -62,6 +64,7 @@ export function Field({
         spellCheck={spellcheck}
         maxLength={maxLength}
         showCounter={showCounter}
+        disabled={disabled}
       />
       <div className="flex items-end justify-end w-full text-xs mb-0 -mt-1">
         {error || invalidMessage !== "" ? (

packages/frontend/src/components/ui/icon-button.tsx

@@ -22,6 +22,11 @@ const iconButtonVariants = cva(
         sm: "w-5 h-5",
         md: "w-9 h-9",
         lg: "w-10 h-10",
+        xl: "w-12 h-12",
+        "2xl": "w-14 h-14",
+        "3xl": "w-16 h-16",
+        "4xl": "w-18 h-18",
+        "5xl": "w-20 h-20",
       },
     },
     defaultVariants: {

packages/frontend/src/components/ui/icon.tsx

@@ -20,6 +20,7 @@ import {
   Edit as PixelEdit,
   EyeClosed as PixelEyeClosed,
   AddGrid as PixelGridAdd,
+  HumanHandsup as PixelHandsUp,
   Home as PixelHome,
   InfoBox as PixelInfo,
   Link as PixelLink,
@@ -61,6 +62,7 @@ import {
   DotsThreeVerticalIcon as PhosphorDotsThreeVertical,
   PencilSimpleIcon as PhosphorEdit,
   EyeClosedIcon as PhosphorEyeClosed,
+  PersonArmsSpreadIcon as PhosphorHandsUp,
   HashIcon as PhosphorHash,
   HashStraightIcon as PhosphorHashStraight,
   HouseIcon as PhosphorHome,
@@ -123,6 +125,7 @@ import {
   Moon,
   OctagonXIcon,
   Pause,
+  PersonStanding,
   Play,
   Plus,
   Rocket,
@@ -181,6 +184,7 @@ const icons = {
     phosphor: PhosphorDotsSixVertical,
   },
   hash: { lucide: Hash, pixel: PhosphorHashStraight, phosphor: PhosphorHash },
+  handsUp: { lucide: PersonStanding, pixel: PixelHandsUp, phosphor: PhosphorHandsUp },
   home: { lucide: LucideHome, pixel: PixelHome, phosphor: PhosphorHome },
   info: { lucide: InfoIcon, pixel: PixelInfo, phosphor: PhosphorInfo },
   layoutDashboard: { lucide: LayoutDashboard, pixel: PixelDashboard, phosphor: PhosphorLayout },