husteno-o feat: code review system, type safety, error handling, AI provider fallback · 9/9/2026
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import { githubClient } from "@devpulse/github";
import { SlashCommandBuilder } from "discord.js";
import { BrandColors } from "../ui/colors.js";
import { createPrActionButtons } from "../ui/components.js";
import { createBaseEmbed, createDetailedPrEmbed, createErrorEmbed } from "../ui/embeds.js";
import { NF } from "../ui/icons.js";
import type { Command } from "./types.js";
export const prCommand: Command = {
data: new SlashCommandBuilder()
.setName("pr")
.setDescription(
"Pull Request Power Tools: inspection, checks, reviews, merges, and bottleneck detection",
)
.addSubcommand((sub) =>
sub
.setName("view")
.setDescription("Inspect detailed PR status, line diffs, CI checks, and review bottlenecks")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
)
.addIntegerOption((opt) =>
opt.setName("number").setDescription("Pull request number").setRequired(true),
),
)
.addSubcommand((sub) =>
sub
.setName("list")
.setDescription("List pull requests in repository")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
)
.addStringOption((opt) =>
opt
.setName("state")
.setDescription("PR State (open/closed/all)")
.addChoices(
{ name: "Open", value: "open" },
{ name: "Closed", value: "closed" },
{ name: "All", value: "all" },
),
),
)
.addSubcommand((sub) =>
sub
.setName("review")
.setDescription("Submit a review on a pull request")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
)
.addIntegerOption((opt) =>
opt.setName("number").setDescription("Pull request number").setRequired(true),
)
.addStringOption((opt) =>
opt
.setName("action")
.setDescription("Review action")
.addChoices(
{ name: "Approve", value: "APPROVE" },
{ name: "Request Changes", value: "REQUEST_CHANGES" },
{ name: "Comment", value: "COMMENT" },
)
.setRequired(true),
)
.addStringOption((opt) => opt.setName("comment").setDescription("Review comment message")),
)
.addSubcommand((sub) =>
sub
.setName("merge")
.setDescription("Merge a pull request into base branch")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
)
.addIntegerOption((opt) =>
opt.setName("number").setDescription("Pull request number").setRequired(true),
)
.addStringOption((opt) =>
opt
.setName("method")
.setDescription("Merge strategy")
.addChoices(
{ name: "Merge Commit", value: "merge" },
{ name: "Squash and Merge", value: "squash" },
{ name: "Rebase and Merge", value: "rebase" },
),
),
)
.addSubcommand((sub) =>
sub
.setName("stale")
.setDescription("Detect pull requests with no activity for over 14 days")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
),
)
.addSubcommand((sub) =>
sub
.setName("waiting")
.setDescription("Detect pull requests stuck waiting on reviewer feedback > 24 hours")
.addStringOption((opt) =>
opt.setName("repo").setDescription("Repository format 'owner/repo'").setRequired(true),
),
),
async execute(interaction) {
await interaction.deferReply();
const subcommand = interaction.options.getSubcommand();
const repoInput = interaction.options.getString("repo", true);
try {
const { owner, repo } = githubClient.parseRepoInput(repoInput);
if (subcommand === "view") {
const prNumber = interaction.options.getInteger("number", true);
const detailed = await githubClient.getPullRequest(repoInput, prNumber);
const embed = createDetailedPrEmbed(detailed, `${owner}/${repo}`);
const buttons = createPrActionButtons(owner, repo, prNumber, detailed.htmlUrl);
await interaction.editReply({ embeds: [embed], components: buttons });
return;
}
if (subcommand === "list") {
const state =
(interaction.options.getString("state") as "open" | "closed" | "all") || "open";
const prs = await githubClient.getPullRequests(repoInput, state, 15);
const items = prs.map(
(p) =>
`• [#${p.number}](${p.htmlUrl}) **${p.title}** (${p.state}) — *by @${p.author.login}*`,
);
const embed = createBaseEmbed(
`${NF.gitPullRequest} Pull Requests: ${owner}/${repo}`,
).setDescription(items.length > 0 ? items.join("\n") : "No pull requests found.");
await interaction.editReply({ embeds: [embed] });
return;
}
if (subcommand === "review") {
const prNumber = interaction.options.getInteger("number", true);
const action = interaction.options.getString("action", true) as
| "APPROVE"
| "REQUEST_CHANGES"
| "COMMENT";
const comment = interaction.options.getString("comment") || undefined;
await githubClient.createReview(repoInput, prNumber, action, comment);
const embed = createBaseEmbed(`${NF.check} Review Submitted`)
.setColor(BrandColors.success)
.setDescription(
`Successfully submitted **${action}** on [PR #${prNumber}](https://github.com/${owner}/${repo}/pull/${prNumber}).`,
);
await interaction.editReply({ embeds: [embed] });
return;
}
if (subcommand === "merge") {
const prNumber = interaction.options.getInteger("number", true);
const method =
(interaction.options.getString("method") as "merge" | "squash" | "rebase") || "merge";
const res = await githubClient.mergePullRequest(repoInput, prNumber, method);
const embed = createBaseEmbed(`${NF.gitMerge} Pull Request Merged`)
.setColor(BrandColors.success)
.setDescription(
`PR #${prNumber} successfully merged into base branch using **${method}** strategy.\n${res.message || ""}`,
);
await interaction.editReply({ embeds: [embed] });
return;
}
if (subcommand === "stale") {
const stalePrs = await githubClient.getStalePullRequests(repoInput);
const lines = stalePrs.map(
(p) => `• [#${p.number}](${p.htmlUrl}) **${p.title}** (Author: @${p.author.login})`,
);
const embed = createBaseEmbed(`⏰ Stale Pull Requests (>14d): ${owner}/${repo}`)
.setColor(stalePrs.length > 0 ? BrandColors.warning : BrandColors.success)
.setDescription(
lines.length > 0
? `Found **${lines.length} stale PR(s)**:\n\n${lines.join("\n")}`
: "✅ Zero stale PRs detected in repository!",
);
await interaction.editReply({ embeds: [embed] });
return;
}
if (subcommand === "waiting") {
const waitingPrs = await githubClient.getWaitingPullRequests(repoInput);
const lines = waitingPrs.map(
(p) => `• [#${p.number}](${p.htmlUrl}) **${p.title}** — *waiting on reviewers*`,
);
const embed = createBaseEmbed(`⏳ PR Review Bottlenecks (>24h): ${owner}/${repo}`)
.setColor(waitingPrs.length > 0 ? BrandColors.danger : BrandColors.success)
.setDescription(
lines.length > 0
? `Found **${lines.length} PR(s)** stuck waiting for review:\n\n${lines.join("\n")}`
: "✅ All PR reviews are moving with high turnaround velocity!",
);
await interaction.editReply({ embeds: [embed] });
return;
}
} catch (err: unknown) {
await interaction.editReply({
embeds: [createErrorEmbed(err instanceof Error ? err : new Error(String(err)))],
});
}
},
};