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feat(hub+cli): surface mermaid parse failures back to the agent #863

feat(hub+cli): surface mermaid parse failures back to the agent

feat(hub+cli): surface mermaid parse failures back to the agent #863

name: Codex Mention Response
on:
issue_comment:
types: [created]
pull_request_review_comment:
types: [created]
concurrency:
group: codex-mention-${{ github.event.comment.id }}
cancel-in-progress: false
jobs:
mention-response:
if: |
contains(github.event.comment.body, '@tiann') &&
!endsWith(github.event.comment.user.login, '[bot]')
runs-on: ubuntu-latest
permissions:
contents: write
pull-requests: write
issues: write
steps:
- name: Check user permissions and skip conditions
id: check_skip
uses: actions/github-script@v7
with:
script: |
const marker = "*HAPI Bot*";
const triggeringCommentId = context.payload.comment.id;
const replyMarker = `<!-- reply-to:${triggeringCommentId} -->`;
const allowedLogins = (process.env.HAPI_BOT_LOGINS || "github-actions[bot]")
.split(",").map(v => v.trim()).filter(Boolean);
// Check user write permission
const commentAuthor = context.payload.comment.user.login;
const { data: permissionData } = await github.rest.repos.getCollaboratorPermissionLevel({
owner: context.repo.owner,
repo: context.repo.repo,
username: commentAuthor
});
const permission = permissionData.permission;
const hasWriteAccess = ["admin", "write"].includes(permission);
if (!hasWriteAccess) {
core.setOutput("should_skip", "true");
core.info(`User ${commentAuthor} has '${permission}' permission; write access required. Skipping.`);
return;
}
// Determine context type
const isIssueComment = context.eventName === "issue_comment";
// Get issue/PR number and labels
let targetNumber, labels, isPR;
if (isIssueComment) {
targetNumber = context.payload.issue.number;
labels = context.payload.issue.labels || [];
isPR = !!context.payload.issue.pull_request;
} else {
targetNumber = context.payload.pull_request.number;
labels = context.payload.pull_request.labels || [];
isPR = true;
}
// Check for bot-skip label
const hasBotSkip = labels.some(l => l.name === "bot-skip");
if (hasBotSkip) {
core.setOutput("should_skip", "true");
core.info("bot-skip label found; skipping.");
return;
}
// Check for existing bot reply to this specific comment
const comments = await github.paginate(
github.rest.issues.listComments,
{
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: targetNumber,
per_page: 100
}
);
const hasReply = comments.some(comment => {
const body = comment?.body || "";
if (!body.includes(marker) || !body.includes(replyMarker)) return false;
const user = comment.user;
return user?.type === "Bot" && allowedLogins.includes(user.login);
});
if (hasReply) {
core.setOutput("should_skip", "true");
core.info(`Existing reply to comment ${triggeringCommentId} found; skipping.`);
return;
}
core.setOutput("should_skip", "false");
core.setOutput("triggering_comment_id", triggeringCommentId);
core.setOutput("target_number", targetNumber);
core.setOutput("event_type", isIssueComment ? "issue_comment" : "pr_review_comment");
core.setOutput("is_pr", isPR ? "true" : "false");
env:
HAPI_BOT_LOGINS: ${{ vars.HAPI_BOT_LOGINS }}
- name: Checkout repository
if: steps.check_skip.outputs.should_skip != 'true'
uses: actions/checkout@v4
with:
ref: dev
fetch-depth: 0
- name: Fetch all branches
if: steps.check_skip.outputs.should_skip != 'true'
run: git fetch --all
- name: Run Codex for Mention Response
if: steps.check_skip.outputs.should_skip != 'true'
uses: openai/codex-action@v1
env:
GH_TOKEN: ${{ github.token }}
GITHUB_TOKEN: ${{ github.token }}
TRIGGERING_COMMENT_ID: ${{ steps.check_skip.outputs.triggering_comment_id }}
TARGET_NUMBER: ${{ steps.check_skip.outputs.target_number }}
EVENT_TYPE: ${{ steps.check_skip.outputs.event_type }}
IS_PR: ${{ steps.check_skip.outputs.is_pr }}
with:
openai-api-key: ${{ secrets.OPENAI_API_KEY }}
responses-api-endpoint: ${{ secrets.OPENAI_BASE_URL }}
model: ${{ vars.OPENAI_MODEL || 'gpt-5.4' }}
effort: ${{ vars.OPENAI_EFFORT || 'high' }}
sandbox: danger-full-access
safety-strategy: drop-sudo
prompt-file: .github/prompts/codex-mention-response.md
allow-bots: true