Add a required editable Agent prompt, prefilled from the Forgejo issue title, URL, body, and expected working notes.

frontend/src/components/git/AssignIssueAgentDialog.tsx

@@ -1,6 +1,8 @@
 "use client";
 
+import Link from "next/link";
 import { useEffect, useState } from "react";
+import { ExternalLink } from "lucide-react";
 
 import {
   useListAgentsApiV1AgentsGet,
@@ -30,6 +32,31 @@ type AssignIssueAgentDialogProps = {
   onSuccess: (result: AssignIssueAgentResponse) => void;
 };
 
+function buildDefaultAgentPrompt(issue: ForgejoIssue, repositoryName: string) {
+  const issueBody = (issue.body ?? issue.body_preview ?? "").trim();
+  const lines = [
+    `Work on ${repositoryName}#${issue.forgejo_issue_number}: ${issue.title}`,
+    "",
+    "Use this Forgejo issue as the source of truth.",
+    `Issue URL: ${issue.html_url}`,
+  ];
+
+  if (issueBody) {
+    lines.push("", "Issue details:", issueBody);
+  }
+
+  lines.push(
+    "",
+    "Expected approach:",
+    "- Read the relevant Pipeline code before editing.",
+    "- Keep the work scoped to this issue.",
+    "- Run targeted validation and report what passed.",
+    "- Post progress, blockers, and handoff notes back to the Pipeline task.",
+  );
+
+  return lines.join("\n");
+}
+
 export function AssignIssueAgentDialog({
   issue,
   repositoryName,
@@ -46,6 +73,7 @@ export function AssignIssueAgentDialog({
   const [error, setError] = useState<string | null>(null);
   const [linkedBoards, setLinkedBoards] = useState<LinkedBoard[]>([]);
   const [boardsLoading, setBoardsLoading] = useState(false);
+  const [linkedBoardsLoaded, setLinkedBoardsLoaded] = useState(false);
 
   // Fetch only boards linked to this issue's repository — prevents picking a
   // board that the backend will reject with "not linked to any board".
@@ -53,6 +81,7 @@ export function AssignIssueAgentDialog({
     if (!open || !issue) return;
     let cancelled = false;
     setBoardsLoading(true);
+    setLinkedBoardsLoaded(false);
     setLinkedBoards([]);
     setBoardId("");
     getLinkedBoardsForRepository(issue.repository_id)
@@ -65,7 +94,10 @@ export function AssignIssueAgentDialog({
         if (!cancelled) setLinkedBoards([]);
       })
       .finally(() => {
-        if (!cancelled) setBoardsLoading(false);
+        if (!cancelled) {
+          setBoardsLoading(false);
+          setLinkedBoardsLoaded(true);
+        }
       });
     return () => { cancelled = true; };
   }, [open, issue]);
@@ -91,29 +123,37 @@ export function AssignIssueAgentDialog({
       setInstructions("");
       setStartImmediately(true);
       setError(null);
+      setLinkedBoardsLoaded(false);
     }
   }, [open]);
 
+  useEffect(() => {
+    if (!open || !issue) return;
+    setInstructions(buildDefaultAgentPrompt(issue, repositoryName));
+  }, [open, issue, repositoryName]);
+
   useEffect(() => {
     setAgentId("");
   }, [boardId]);
 
   if (!issue) return null;
 
-  const noLinkedBoards = !boardsLoading && linkedBoards.length === 0;
+  const noLinkedBoards =
+    linkedBoardsLoaded && !boardsLoading && linkedBoards.length === 0;
+  const prompt = instructions.trim();
 
   const handleSubmit = async () => {
-    if (!boardId) return;
+    if (!boardId || !agentId || !prompt) return;
     setIsSubmitting(true);
     setError(null);
     try {
       const result = await assignIssueToAgent(issue.id, {
         board_id: boardId,
-        assigned_agent_id: agentId || undefined,
+        assigned_agent_id: agentId,
         priority,
         start_immediately: startImmediately,
-        status: startImmediately && agentId ? "in_progress" : "inbox",
+        status: startImmediately ? "in_progress" : "inbox",
-        instructions: instructions.trim() || undefined,
+        instructions: prompt,
       });
       onSuccess(result);
       onOpenChange(false);
@@ -183,12 +223,17 @@ export function AssignIssueAgentDialog({
               <p className="mt-1 text-muted">
                 Before you can assign an agent, link{" "}
                 <span className="font-medium text-strong">{repositoryName}</span>{" "}
-                to a board in{" "}
+                to the board that should own this task. Open the target board and
-                <span className="font-medium text-strong">
+                use its Git Project repositories panel, or manage tracked
-                  Board Settings → Git Repositories
+                repositories first.
-                </span>
-                .
               </p>
+              <Link
+                href="/git-projects/repositories"
+                className="mt-3 inline-flex h-9 items-center gap-2 rounded-xl border border-[color:var(--border)] bg-[color:var(--surface)] px-3 text-xs font-semibold text-strong transition hover:border-[color:var(--accent)] hover:text-[color:var(--accent)]"
+              >
+                Manage Git repositories
+                <ExternalLink className="h-3.5 w-3.5" />
+              </Link>
             </div>
           ) : (
             <>
@@ -221,10 +266,7 @@ export function AssignIssueAgentDialog({
 
               <div className="space-y-1.5">
                 <label className="text-sm font-medium text-strong">
-                  Agent{" "}
+                  Agent <span className="text-[color:var(--danger)]">*</span>
-                  <span className="text-xs font-normal text-muted">
-                    (optional — leaves task unassigned if blank)
-                  </span>
                 </label>
                 <select
                   value={agentId}
@@ -232,7 +274,7 @@ export function AssignIssueAgentDialog({
                   disabled={isSubmitting || !boardId || agentsQuery.isLoading}
                   className="w-full rounded-xl border border-[color:var(--border)] bg-[color:var(--surface)] px-3 py-2 text-sm text-strong focus:outline-none focus:ring-2 focus:ring-[color:var(--accent)]"
                 >
-                  <option value="">Unassigned</option>
+                  <option value="">Select an agent…</option>
                   {agentsQuery.isLoading ? (
                     <option disabled>Loading agents…</option>
                   ) : (
@@ -244,6 +286,11 @@ export function AssignIssueAgentDialog({
                     ))
                   )}
                 </select>
+                {boardId && !agentsQuery.isLoading && agents.length === 0 ? (
+                  <p className="text-xs text-muted">
+                    No agents are available on this board yet.
+                  </p>
+                ) : null}
               </div>
 
               <div className="space-y-1.5">
@@ -263,20 +310,22 @@ export function AssignIssueAgentDialog({
 
               <div className="space-y-1.5">
                 <label className="text-sm font-medium text-strong">
-                  Instructions{" "}
+                  Agent prompt <span className="text-[color:var(--danger)]">*</span>
-                  <span className="text-xs font-normal text-muted">(optional)</span>
                 </label>
                 <Textarea
                   value={instructions}
                   onChange={(e) => setInstructions(e.target.value)}
                   disabled={isSubmitting}
-                  rows={3}
+                  rows={9}
-                  placeholder="Additional context or instructions for the agent…"
+                  placeholder="Prompt the agent with the goal, context, and expected validation…"
-                  className="resize-none text-sm"
+                  className="resize-y text-sm"
                 />
+                <p className="text-xs text-muted">
+                  This prompt is copied into the Pipeline task and sent with the
+                  assignment notification.
+                </p>
               </div>
 
-              {agentId ? (
               <div className="flex items-center gap-3">
                 {toggleSwitch(startImmediately, setStartImmediately, isSubmitting)}
                 <span className="space-y-0.5">
@@ -284,12 +333,11 @@ export function AssignIssueAgentDialog({
                     Start immediately
                   </span>
                   <span className="block text-xs text-muted">
-                      Set task to{" "}
+                    Set task to <span className="font-mono">in_progress</span>{" "}
-                      <span className="font-mono">in_progress</span> on assign.
+                    when assigned.
                   </span>
                 </span>
               </div>
-              ) : null}
             </>
           )}
         </div>
@@ -311,13 +359,9 @@ export function AssignIssueAgentDialog({
           {!noLinkedBoards && (
             <Button
               onClick={handleSubmit}
-              disabled={isSubmitting || !boardId}
+              disabled={isSubmitting || !boardId || !agentId || !prompt}
             >
-              {isSubmitting
+              {isSubmitting ? "Assigning…" : "Assign Agent"}
-                ? "Assigning…"
-                : agentId
-                  ? "Assign Agent"
-                  : "Create Task"}
             </Button>
           )}
         </DialogFooter>