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fix: correct assign-to-agent GraphQL mutations per official docs #39941

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Merged
pelikhan merged 4 commits into from
Jun 18, 2026
+73 −35
Merged

fix: correct assign-to-agent GraphQL mutations per official docs #39941

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a559cc8
chore: start assign-to-agent JS fix plan
Copilot Jun 18, 2026
7bddb21
fix: correct assign-to-agent GraphQL per official docs
Copilot Jun 18, 2026
77fa513
fix: remove unintended User fragment from findAgent query
Copilot Jun 18, 2026
a7344b5
Merge remote-tracking branch 'origin/main' into copilot/fix-assign-to…
Copilot Jun 18, 2026
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56 changes: 51 additions & 5 deletions actions/setup/js/assign_agent_helpers.cjs
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ async function getAvailableAgentLogins(owner, repo, githubClient = github) {
const query = `
query($owner: String!, $repo: String!) {
repository(owner: $owner, name: $repo) {
suggestedActors(first: 100, capabilities: CAN_BE_ASSIGNED) {
suggestedActors(first: 100, capabilities: [CAN_BE_ASSIGNED]) {
nodes { ... on Bot { login __typename } }
}
}
Expand Down Expand Up @@ -80,7 +80,7 @@ async function findAgent(owner, repo, agentName, githubClient = github) {
const query = `
query($owner: String!, $repo: String!) {
repository(owner: $owner, name: $repo) {
suggestedActors(first: 100, capabilities: CAN_BE_ASSIGNED) {
suggestedActors(first: 100, capabilities: [CAN_BE_ASSIGNED]) {
nodes {
... on Bot {
id
Expand Down Expand Up @@ -467,7 +467,54 @@ async function assignAgentToIssue(assignableId, agentId, currentAssignees, agent
// Attempt fallback mutation addAssigneesToAssignable when replaceActorsForAssignable is forbidden
core.info("Primary mutation replaceActorsForAssignable forbidden. Attempting fallback addAssigneesToAssignable...");
try {
const fallbackMutation = `
// Build agentAssignment for fallback mutation (same parameters as primary)
const fallbackAgentAssignmentFields = [];
const fallbackAgentAssignmentParams = [];
const fallbackVariables = { assignableId, assigneeIds: [agentId] };

if (pullRequestRepoId) {
fallbackAgentAssignmentFields.push("targetRepositoryId: $targetRepoId");
fallbackAgentAssignmentParams.push("$targetRepoId: ID!");
fallbackVariables.targetRepoId = pullRequestRepoId;
}
if (model) {
fallbackAgentAssignmentFields.push("model: $model");
fallbackAgentAssignmentParams.push("$model: String!");
fallbackVariables.model = model;
}
if (customAgent) {
fallbackAgentAssignmentFields.push("customAgent: $customAgent");
fallbackAgentAssignmentParams.push("$customAgent: String!");
fallbackVariables.customAgent = customAgent;
}
if (customInstructions) {
fallbackAgentAssignmentFields.push("customInstructions: $customInstructions");
fallbackAgentAssignmentParams.push("$customInstructions: String!");
fallbackVariables.customInstructions = customInstructions;
}
if (baseBranch) {
fallbackAgentAssignmentFields.push("baseRef: $baseRef");
fallbackAgentAssignmentParams.push("$baseRef: String!");
fallbackVariables.baseRef = baseBranch;
}

const hasFallbackAgentAssignment = fallbackAgentAssignmentFields.length > 0;
const fallbackBaseParams = ["$assignableId: ID!", "$assigneeIds: [ID!]!", ...fallbackAgentAssignmentParams].join(", ");
const fallbackMutation = hasFallbackAgentAssignment
? `
mutation(${fallbackBaseParams}) {
addAssigneesToAssignable(input: {
assignableId: $assignableId,
assigneeIds: $assigneeIds,
agentAssignment: {
${fallbackAgentAssignmentFields.join("\n ")}
}
}) {
clientMutationId
}
}
`
: `
mutation($assignableId: ID!, $assigneeIds: [ID!]!) {
addAssigneesToAssignable(input: {
assignableId: $assignableId,
Expand All @@ -480,8 +527,7 @@ async function assignAgentToIssue(assignableId, agentId, currentAssignees, agent
core.info("Executing fallback agent assignment GraphQL mutation");
core.debug(`Fallback GraphQL mutation with variables: assignableId=${assignableId}, assigneeIds=[${agentId}]`);
const fallbackResp = await githubClient.graphql(fallbackMutation, {
assignableId,
assigneeIds: [agentId],
...fallbackVariables,
headers: {
"GraphQL-Features": "issues_copilot_assignment_api_support,coding_agent_model_selection",
},
Expand Down
52 changes: 22 additions & 30 deletions actions/setup/js/assign_to_agent.test.cjs
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Original file line number Diff line number Diff line change
Expand Up @@ -211,12 +211,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: {
assignees: {
nodes: [{ login: "copilot-swe-agent" }],
},
},
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -251,8 +247,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
})
.mockResolvedValueOnce({
Expand All @@ -261,8 +257,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -305,8 +301,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -354,8 +350,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -947,8 +943,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
})
.mockResolvedValueOnce({
Expand All @@ -957,8 +953,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -1098,12 +1094,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: {
assignees: {
nodes: [{ login: "copilot-swe-agent" }],
},
},
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down Expand Up @@ -1631,8 +1623,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
})
.mockResolvedValueOnce({
Expand All @@ -1641,8 +1633,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
})
.mockResolvedValueOnce({
Expand All @@ -1651,8 +1643,8 @@ describe("assign_to_agent", () => {
},
})
.mockResolvedValueOnce({
addAssigneesToAssignable: {
assignable: { assignees: { nodes: [{ login: "copilot-swe-agent" }] } },
replaceActorsForAssignable: {
__typename: "ReplaceActorsForAssignablePayload",
},
});

Expand Down
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