feat(assign-issue): implement linked boards fetching for repository in AssignIssueAgentDialog

backend/app/api/forgejo_repositories.py

@@ -11,8 +11,11 @@ from sqlmodel import select
 from app.api.deps import require_org_member
 from app.db import crud
 from app.db.session import get_session
+from app.models.boards import Board
+from app.models.board_repository_links import BoardRepositoryLink
 from app.models.forgejo_connections import ForgejoConnection
 from app.models.forgejo_repositories import ForgejoRepository
+from app.schemas.boards import BoardRead
 from app.schemas.common import OkResponse
 from app.schemas.forgejo_repositories import (
     ForgejoRepositoryCreate,
@@ -348,3 +351,38 @@ def _mask_repository(repository: ForgejoRepository, connection: ForgejoConnectio
         "created_at": repository.created_at,
         "updated_at": repository.updated_at,
     }
+
+
+@router.get("/{repository_id}/boards", response_model=list[BoardRead])
+async def list_boards_for_repository(
+    repository_id: UUID,
+    session: AsyncSession = SESSION_DEP,
+    ctx: OrganizationContext = ORG_MEMBER_DEP,
+) -> list[BoardRead]:
+    """Return all boards that have this repository linked to them."""
+    repository = await crud.get_by_id(session, ForgejoRepository, repository_id)
+    if repository is None or repository.organization_id != ctx.organization.id:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Repository not found")
+
+    links = (
+        await session.exec(
+            select(BoardRepositoryLink).where(
+                BoardRepositoryLink.organization_id == ctx.organization.id,
+                BoardRepositoryLink.repository_id == repository_id,
+            )
+        )
+    ).all()
+
+    if not links:
+        return []
+
+    board_ids = [link.board_id for link in links]
+    boards = (
+        await session.exec(
+            select(Board).where(
+                Board.id.in_(board_ids),
+                Board.organization_id == ctx.organization.id,
+            )
+        )
+    ).all()
+    return [BoardRead.model_validate(b) for b in boards]

frontend/src/components/git/AssignIssueAgentDialog.tsx

@@ -2,10 +2,6 @@
 
 import { useEffect, useState } from "react";
 
-import {
-  useListBoardsApiV1BoardsGet,
-  type listBoardsApiV1BoardsGetResponse,
-} from "@/api/generated/boards/boards";
 import {
   useListAgentsApiV1AgentsGet,
   type listAgentsApiV1AgentsGetResponse,
@@ -22,7 +18,9 @@ import {
 import { Button } from "@/components/ui/button";
 import { Textarea } from "@/components/ui/textarea";
 import type { ForgejoIssue, AssignIssueAgentResponse } from "@/lib/api-forgejo";
-import { assignIssueToAgent } from "@/lib/api-forgejo";
+import { assignIssueToAgent, getLinkedBoardsForRepository } from "@/lib/api-forgejo";
+
+type LinkedBoard = { id: string; name: string };
 
 type AssignIssueAgentDialogProps = {
   issue: ForgejoIssue | null;
@@ -46,11 +44,31 @@ export function AssignIssueAgentDialog({
   const [startImmediately, setStartImmediately] = useState(true);
   const [isSubmitting, setIsSubmitting] = useState(false);
   const [error, setError] = useState<string | null>(null);
+  const [linkedBoards, setLinkedBoards] = useState<LinkedBoard[]>([]);
+  const [boardsLoading, setBoardsLoading] = useState(false);
 
-  const boardsQuery = useListBoardsApiV1BoardsGet<
-    listBoardsApiV1BoardsGetResponse,
-    ApiError
-  >(undefined, { query: { enabled: open, refetchOnMount: "always" } });
+  // Fetch only boards linked to this issue's repository — prevents picking a
+  // board that the backend will reject with "not linked to any board".
+  useEffect(() => {
+    if (!open || !issue) return;
+    let cancelled = false;
+    setBoardsLoading(true);
+    setLinkedBoards([]);
+    setBoardId("");
+    getLinkedBoardsForRepository(issue.repository_id)
+      .then((boards) => {
+        if (cancelled) return;
+        setLinkedBoards(boards);
+        if (boards.length === 1) setBoardId(boards[0].id);
+      })
+      .catch(() => {
+        if (!cancelled) setLinkedBoards([]);
+      })
+      .finally(() => {
+        if (!cancelled) setBoardsLoading(false);
+      });
+    return () => { cancelled = true; };
+  }, [open, issue]);
 
   const agentsQuery = useListAgentsApiV1AgentsGet<
     listAgentsApiV1AgentsGetResponse,
@@ -60,10 +78,6 @@ export function AssignIssueAgentDialog({
     { query: { enabled: open && !!boardId, refetchOnMount: "always" } },
   );
 
-  const boards =
-    boardsQuery.data?.status === 200
-      ? (boardsQuery.data.data.items ?? [])
-      : [];
   const agents =
     agentsQuery.data?.status === 200
       ? (agentsQuery.data.data.items ?? [])
@@ -80,18 +94,14 @@ export function AssignIssueAgentDialog({
     }
   }, [open]);
 
-  useEffect(() => {
-    if (boards.length > 0 && !boardId) {
-      setBoardId(boards[0].id);
-    }
-  }, [boards, boardId]);
-
   useEffect(() => {
     setAgentId("");
   }, [boardId]);
 
   if (!issue) return null;
 
+  const noLinkedBoards = !boardsLoading && linkedBoards.length === 0;
+
   const handleSubmit = async () => {
     if (!boardId) return;
     setIsSubmitting(true);
@@ -126,7 +136,9 @@ export function AssignIssueAgentDialog({
       onClick={() => !disabled && setter(!value)}
       disabled={disabled}
       className={`mt-0.5 inline-flex h-6 w-11 shrink-0 items-center rounded-full border transition ${
-        value ? "border-emerald-600 bg-emerald-600" : "border-[color:var(--border)] bg-[color:var(--surface-muted)]"
+        value
+          ? "border-emerald-600 bg-emerald-600"
+          : "border-[color:var(--border)] bg-[color:var(--surface-muted)]"
       } ${disabled ? "cursor-not-allowed opacity-60" : "cursor-pointer"}`}
     >
       <span
@@ -163,101 +175,123 @@ export function AssignIssueAgentDialog({
             </p>
           </div>
 
-          <div className="space-y-1.5">
-            <label className="text-sm font-medium text-strong">
-              Board <span className="text-[color:var(--danger)]">*</span>
-            </label>
-            <select
-              value={boardId}
-              onChange={(e) => setBoardId(e.target.value)}
-              disabled={isSubmitting || boardsQuery.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)]"
-            >
-              {boardsQuery.isLoading ? (
-                <option>Loading boards…</option>
-              ) : boards.length === 0 ? (
-                <option>No boards available</option>
-              ) : (
-                boards.map((b) => (
-                  <option key={b.id} value={b.id}>
-                    {b.name}
-                  </option>
-                ))
-              )}
-            </select>
-          </div>
-
-          <div className="space-y-1.5">
-            <label className="text-sm font-medium text-strong">
-              Agent{" "}
-              <span className="text-xs font-normal text-muted">
-                (optional — leaves task unassigned if blank)
-              </span>
-            </label>
-            <select
-              value={agentId}
-              onChange={(e) => setAgentId(e.target.value)}
-              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>
-              {agentsQuery.isLoading ? (
-                <option disabled>Loading agents…</option>
-              ) : (
-                agents.map((a) => (
-                  <option key={a.id} value={a.id}>
-                    {a.name}
-                    {a.is_board_lead ? " (lead)" : ""}
-                  </option>
-                ))
-              )}
-            </select>
-          </div>
-
-          <div className="space-y-1.5">
-            <label className="text-sm font-medium text-strong">Priority</label>
-            <select
-              value={priority}
-              onChange={(e) => setPriority(e.target.value)}
-              disabled={isSubmitting}
-              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="low">Low</option>
-              <option value="medium">Medium</option>
-              <option value="high">High</option>
-              <option value="critical">Critical</option>
-            </select>
-          </div>
-
-          <div className="space-y-1.5">
-            <label className="text-sm font-medium text-strong">
-              Instructions{" "}
-              <span className="text-xs font-normal text-muted">(optional)</span>
-            </label>
-            <Textarea
-              value={instructions}
-              onChange={(e) => setInstructions(e.target.value)}
-              disabled={isSubmitting}
-              rows={3}
-              placeholder="Additional context or instructions for the agent…"
-              className="resize-none text-sm"
-            />
-          </div>
-
-          {agentId ? (
-            <div className="flex items-center gap-3">
-              {toggleSwitch(startImmediately, setStartImmediately, isSubmitting)}
-              <span className="space-y-0.5">
-                <span className="block text-sm font-medium text-strong">
-                  Start immediately
+          {noLinkedBoards ? (
+            <div className="rounded-xl border border-[color:rgba(234,179,8,0.4)] bg-[color:rgba(234,179,8,0.08)] p-4 text-sm">
+              <p className="font-semibold text-[color:var(--warning,#ca8a04)]">
+                Repository not linked to any board
+              </p>
+              <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{" "}
+                <span className="font-medium text-strong">
+                  Board Settings → Git Repositories
                 </span>
-                <span className="block text-xs text-muted">
-                  Set task to <span className="font-mono">in_progress</span>{" "}
-                  on assign.
-                </span>
-              </span>
+                .
+              </p>
             </div>
-          ) : null}
+          ) : (
+            <>
+              <div className="space-y-1.5">
+                <label className="text-sm font-medium text-strong">
+                  Board <span className="text-[color:var(--danger)]">*</span>
+                </label>
+                <select
+                  value={boardId}
+                  onChange={(e) => setBoardId(e.target.value)}
+                  disabled={isSubmitting || boardsLoading}
+                  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)]"
+                >
+                  {boardsLoading ? (
+                    <option>Loading boards…</option>
+                  ) : (
+                    <>
+                      {linkedBoards.length > 1 && (
+                        <option value="">Select a board…</option>
+                      )}
+                      {linkedBoards.map((b) => (
+                        <option key={b.id} value={b.id}>
+                          {b.name}
+                        </option>
+                      ))}
+                    </>
+                  )}
+                </select>
+              </div>
+
+              <div className="space-y-1.5">
+                <label className="text-sm font-medium text-strong">
+                  Agent{" "}
+                  <span className="text-xs font-normal text-muted">
+                    (optional — leaves task unassigned if blank)
+                  </span>
+                </label>
+                <select
+                  value={agentId}
+                  onChange={(e) => setAgentId(e.target.value)}
+                  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>
+                  {agentsQuery.isLoading ? (
+                    <option disabled>Loading agents…</option>
+                  ) : (
+                    agents.map((a) => (
+                      <option key={a.id} value={a.id}>
+                        {a.name}
+                        {a.is_board_lead ? " (lead)" : ""}
+                      </option>
+                    ))
+                  )}
+                </select>
+              </div>
+
+              <div className="space-y-1.5">
+                <label className="text-sm font-medium text-strong">Priority</label>
+                <select
+                  value={priority}
+                  onChange={(e) => setPriority(e.target.value)}
+                  disabled={isSubmitting}
+                  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="low">Low</option>
+                  <option value="medium">Medium</option>
+                  <option value="high">High</option>
+                  <option value="critical">Critical</option>
+                </select>
+              </div>
+
+              <div className="space-y-1.5">
+                <label className="text-sm font-medium text-strong">
+                  Instructions{" "}
+                  <span className="text-xs font-normal text-muted">(optional)</span>
+                </label>
+                <Textarea
+                  value={instructions}
+                  onChange={(e) => setInstructions(e.target.value)}
+                  disabled={isSubmitting}
+                  rows={3}
+                  placeholder="Additional context or instructions for the agent…"
+                  className="resize-none text-sm"
+                />
+              </div>
+
+              {agentId ? (
+                <div className="flex items-center gap-3">
+                  {toggleSwitch(startImmediately, setStartImmediately, isSubmitting)}
+                  <span className="space-y-0.5">
+                    <span className="block text-sm font-medium text-strong">
+                      Start immediately
+                    </span>
+                    <span className="block text-xs text-muted">
+                      Set task to{" "}
+                      <span className="font-mono">in_progress</span> on assign.
+                    </span>
+                  </span>
+                </div>
+              ) : null}
+            </>
+          )}
         </div>
 
         {error ? (
@@ -274,12 +308,18 @@ export function AssignIssueAgentDialog({
           >
             Cancel
           </Button>
-          <Button
-            onClick={handleSubmit}
-            disabled={isSubmitting || !boardId}
-          >
-            {isSubmitting ? "Assigning…" : agentId ? "Assign Agent" : "Create Task"}
-          </Button>
+          {!noLinkedBoards && (
+            <Button
+              onClick={handleSubmit}
+              disabled={isSubmitting || !boardId}
+            >
+              {isSubmitting
+                ? "Assigning…"
+                : agentId
+                  ? "Assign Agent"
+                  : "Create Task"}
+            </Button>
+          )}
         </DialogFooter>
       </DialogContent>
     </Dialog>

frontend/src/lib/api-forgejo.ts

@@ -128,6 +128,14 @@ export async function deleteForgejoConnection(
 }
 
 // Forgejo Repository API
+export async function getLinkedBoardsForRepository(
+  repositoryId: string,
+): Promise<{ id: string; name: string }[]> {
+  return fetchJson<{ id: string; name: string }[]>(
+    `/api/v1/forgejo/repositories/${repositoryId}/boards`,
+  );
+}
+
 export async function getForgejoRepositories(): Promise<ForgejoRepository[]> {
   return fetchJson<ForgejoRepository[]>("/api/v1/forgejo/repositories");
 }