Add issue link copy action

scripts/smoke-test.mjs

@@ -88,6 +88,15 @@ try {
   // ------------------------------------------------------- contributor apply
   await go('/issue/512');
   await page.getByRole('heading', { name: 'Add a test helper for asserting emitted events' }).waitFor();
+  await page.evaluate(() => Object.defineProperty(navigator, 'clipboard', {
+    configurable: true,
+    value: undefined,
+  }));
+  await page.getByRole('button', { name: 'Copy link' }).click();
+  const issueLink = page.getByRole('textbox', { name: 'Issue link; select and copy' });
+  assert.equal(await issueLink.inputValue(), `${base}/issue/512`);
+  assert.ok(await issueLink.evaluate(input => input.selectionStart === 0 && input.selectionEnd === input.value.length),
+    'the fallback selects the full issue URL for copying');
   await page.getByRole('button', { name: 'Apply to this issue' }).click();
   await page.waitForURL('**/login?**');
   await page.getByLabel('Display name').fill('Casey Contributor');

src/pages/issue.tsx

@@ -1,6 +1,6 @@
-import { useState } from 'react';
+import { useRef, useState } from 'react';
 import { Link, Navigate, useNavigate, useParams } from 'react-router-dom';
-import { ArrowUpRight, Check, GitPullRequest, Lock } from 'lucide-react';
+import { ArrowUpRight, Check, Copy, GitPullRequest, Lock } from 'lucide-react';
 import { applicantName, formatMoney, isOwnApplication, repoName, statusTone } from '../lib/model';
 import { PLATFORM } from '../lib/platform';
 import { useApp } from '../lib/store';
@@ -13,6 +13,8 @@ export function IssuePage() {
   const [open, setOpen] = useState(false);
   const [message, setMessage] = useState('');
   const [err, setErr] = useState('');
+  const [copyFallback, setCopyFallback] = useState(false);
+  const copyInput = useRef<HTMLInputElement>(null);
 
   const issue = state.issues.find(i => i.id === issueId);
   if (!issue) return <Navigate to="/explore" replace />;
@@ -25,6 +27,22 @@ export function IssuePage() {
   const paid = taken?.status === 'Paid';
   const canApply = !mine && !taken;
 
+  const copyLink = async () => {
+    try {
+      if (!navigator.clipboard?.writeText) throw new Error('Clipboard API unavailable');
+      await navigator.clipboard.writeText(window.location.href);
+      setCopyFallback(false);
+      notify('Issue link copied.');
+    } catch {
+      setCopyFallback(true);
+      notify('Select the issue link below and copy it.');
+      window.setTimeout(() => {
+        copyInput.current?.focus();
+        copyInput.current?.select();
+      }, 0);
+    }
+  };
+
   const submit = () => {
     if (message.trim().length < 30) { setErr('Add at least 30 characters so the maintainer can judge your plan.'); return; }
     setState(s => ({
@@ -60,7 +78,24 @@ export function IssuePage() {
                 <Chip>{issue.complexity}</Chip>
                 <Chip tone={paid ? '' : 'ok'}>{paid ? 'Paid out' : 'Escrowed'}</Chip>
               </div>
-              <h1>{issue.title}</h1>
+              <div className="detail-title-row">
+                <h1>{issue.title}</h1>
+                <button className="btn ghost sm" type="button" onClick={copyLink}>
+                  <Copy size={13} />Copy link
+                </button>
+              </div>
+              {copyFallback && (
+                <label className="copy-link-fallback">
+                  <input
+                    ref={copyInput}
+                    className="input"
+                    aria-label="Issue link; select and copy"
+                    readOnly
+                    value={window.location.href}
+                    onFocus={event => event.currentTarget.select()}
+                  />
+                </label>
+              )}
               <div className="row dim" style={{ gap: 7, fontSize: 'var(--t3)' }}>
                 <Avatar name={repo.org} org={repo.org} square />
                 <span>{repoName(repo)}</span>

src/styles/pages.css

@@ -128,6 +128,10 @@ a.row-title:hover { text-decoration: underline; text-underline-offset: 2px; }
 .detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: var(--s7); align-items: start; }
 .detail-head { padding-bottom: var(--s4); border-bottom: 1px solid var(--line); margin-bottom: var(--s5); }
 .detail-head h1 { margin: var(--s3) 0 var(--s3); font-size: var(--t7); line-height: 1.25; }
+.detail-title-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); flex-wrap: wrap; }
+.detail-title-row h1 { min-width: 0; }
+.copy-link-fallback { display: block; margin: 0 0 var(--s3); }
+.copy-link-fallback .input { width: min(100%, 34rem); }
 .prose h2 { font-size: var(--t5); margin-bottom: var(--s2); }
 .prose h2 + p { font-size: var(--t4); color: var(--ink-2); }
 .prose > * + h2 { margin-top: var(--s5); }