Job df021d87-e8de-472b-b2c0-8a9958332d3d
Details and log output for this agent run.
Agent
greg
greg
Log
Thinking
First, let's start by exploring the project to understand what we're dealing with. This issue is about auto-scrolling on the "Jobs page" — when monitoring a job that's streaming, the page should auto-scroll to the button (probably a "scroll to bottom" button), unless the user is scrolling themselves.
Let's take a look at the repository structure.
Tool 🔧 bash {"command": "cd /project && ls -la && git log --oneline -5 && git branch --show-current"}
Arguments
{"command": "cd /project && ls -la && git log --oneline -5 && git branch --show-current"}
Result
total 64 drwxr-xr-x 6 user user 4096 Aug 25 21:59 . drwxr-xr-x 1 root root 4096 Aug 25 21:59 .. drwxr-xr-x 7 user user 4096 Aug 25 21:59 .git -rw-r--r-- 1 user user 22 Aug 25 21:59 .gitignore -rw-r--r-- 1 user user 6387 Aug 25 21:59 README.md drwxr-xr-x 3 user user 4096 Aug 25 21:59 cmd drwxr-xr-x 2 user user 4096 Aug 25 21:59 docker -rw-r--r-- 1 user user 2628 Aug 25 21:59 go.mod -rw-r--r-- 1 user user 16578 Aug 25 21:59 go.sum drwxr-xr-x 11 user user 4096 Aug 25 21:59 internal -rw-r--r-- 1 user user 3092 Aug 25 21:59 zoo.hcl.example 98298f6 Merge pull request 'Fix excessive vertical space in job view blocks (#53)' (#55) from issue-53-greg into main b75b64d Fix excessive vertical space in job view blocks 10c3dce Better Docker/git inter. 315f993 Add docker image build. 5717258 Merge pull request 'forgejo: repository allowlist with wildcard patterns' (#40) from issue-39-greg into main issue-57-greg
Tool 🔧 list_files {"path": "."}
Arguments
{"path": "."}
Result
drwxr-xr-x 6 user user 4096 Aug 25 21:59 . drwxr-xr-x 1 root root 4096 Aug 25 21:59 .. drwxr-xr-x 7 user user 4096 Aug 25 21:59 .git -rw-r--r-- 1 user user 22 Aug 25 21:59 .gitignore -rw-r--r-- 1 user user 6387 Aug 25 21:59 README.md drwxr-xr-x 3 user user 4096 Aug 25 21:59 cmd drwxr-xr-x 2 user user 4096 Aug 25 21:59 docker -rw-r--r-- 1 user user 2628 Aug 25 21:59 go.mod -rw-r--r-- 1 user user 16578 Aug 25 21:59 go.sum drwxr-xr-x 11 user user 4096 Aug 25 21:59 internal -rw-r--r-- 1 user user 3092 Aug 25 21:59 zoo.hcl.example
Thinking
This is a Go project. Let's take a look at the internal directory, especially the web frontend part (the job page).
Tool 🔧 bash {"command": "cd /project && find . -type f -not -path './.git/*' | head -100"}
Arguments
{"command": "cd /project && find . -type f -not -path './.git/*' | head -100"}
Result
./README.md ./go.sum ./cmd/zoo/main.go ./docker/group ./docker/passwd ./docker/Dockerfile ./docker/shadow ./docker/uid1000-sudo ./.gitignore ./go.mod ./internal/config/config.go ./internal/config/config_test.go ./internal/web/templates.go ./internal/web/web_test.go ./internal/web/web.go ./internal/livelog/hub.go ./internal/livelog/hub_test.go ./internal/tools/forgejo.go ./internal/tools/grep_search.go ./internal/tools/context.go ./internal/tools/remove_file.go ./internal/tools/registry.go ./internal/tools/write_file.go ./internal/tools/move_file.go ./internal/tools/read_file.go ./internal/tools/edit-file.go ./internal/tools/list_files.go ./internal/tools/bash.go ./internal/tools/shell.go ./internal/tools/tools_test.go ./internal/llm/streamer_test.go ./internal/llm/client.go ./internal/llm/streamer.go ./internal/llm/types.go ./internal/store/store.go ./internal/store/schema.sql ./internal/store/store_test.go ./internal/forgejo/watcher_test.go ./internal/forgejo/poll.go ./internal/forgejo/watcher.go ./internal/forgejo/repo_filter.go ./internal/forgejo/webhook_test.go ./internal/forgejo/webhook.go ./internal/forgejo/repo_filter_test.go ./internal/forgejo/client.go ./internal/forgejo/poll_test.go ./internal/forgejo/client_test.go ./internal/forgejo/event.go ./internal/agentrun/forgejo.go ./internal/agentrun/roster_test.go ./internal/agentrun/context.go ./internal/agentrun/system.md ./internal/agentrun/loop.go ./internal/agentrun/sandboxgit.go ./internal/agentrun/docker.go ./internal/agentrun/seed_test.go ./internal/agentrun/docker_integration_test.go ./internal/agentrun/run.go ./internal/agentrun/sandboxgit_test.go ./internal/agentrun/roster.go ./internal/scheduler/scheduler.go ./internal/scheduler/scheduler_test.go ./zoo.hcl.example
Thinking
The web frontend is in `internal/web/`. Let's take a look at the templates and web.go to understand the job page.
Tool 🔧 read_file {"path": "internal/web/templates.go", "start_line": 1, "end_line": 100}
Arguments
{"path": "internal/web/templates.go", "start_line": 1, "end_line": 100}
Result
{"path":"internal/web/templates.go","content":"package web\n\nconst templates = `\n{{define \"layout_head\"}}\n\u003c!doctype html\u003e\n\u003chtml lang=\"en\"\u003e\n\u003chead\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1\"\u003e\n\u003ctitle\u003ezoo\u003c/title\u003e\n\u003cstyle\u003e\n :root {\n --bg: #0f0f13;\n --bg-surface: #1a1a24;\n --bg-surface-hover: #22222e;\n --bg-code: #12121a;\n --border: #2a2a3a;\n --text: #e4e4e8;\n --text-muted: #8888a0;\n --accent: #7c6aef;\n --accent-glow: rgba(124, 106, 239, 0.15);\n --radius: 12px;\n --radius-sm: 8px;\n --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;\n --mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;\n }\n\n * { margin: 0; padding: 0; box-sizing: border-box; }\n\n body {\n font-family: var(--font);\n background: var(--bg);\n color: var(--text);\n line-height: 1.6;\n min-height: 100vh;\n }\n\n /* ── Navigation ─────────────────────────────── */\n nav {\n position: sticky;\n top: 0;\n z-index: 100;\n display: flex;\n align-items: center;\n justify-content: space-between;\n padding: 0 2rem;\n height: 60px;\n background: var(--bg-surface);\n border-bottom: 1px solid var(--border);\n backdrop-filter: blur(12px);\n }\n\n nav .brand {\n display: flex;\n align-items: center;\n gap: 0.6rem;\n font-size: 1.25rem;\n font-weight: 700;\n color: var(--text);\n text-decoration: none;\n letter-spacing: -0.02em;\n }\n\n nav .brand .logo {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n width: 32px;\n height: 32px;\n border-radius: var(--radius-sm);\n background: linear-gradient(135deg, var(--accent), #a78bfa);\n color: #fff;\n font-size: 1rem;\n font-weight: 800;\n }\n\n nav .links {\n display: flex;\n gap: 0.25rem;\n }\n\n nav .links a {\n display: inline-flex;\n align-items: center;\n gap: 0.4rem;\n padding: 0.5rem 1rem;\n border-radius: var(--radius-sm);\n color: var(--text-muted);\n text-decoration: none;\n font-size: 0.9rem;\n font-weight: 500;\n transition: all 0.15s ease;\n }\n\n nav .links a:hover {\n color: var(--text);\n background: var(--bg-surface-hover);\n }\n\n nav .links a.active {","start_line":1,"end_line":100,"total_lines":1004,"truncated":true}
Tool 🔧 bash {"command": "cd /project && wc -l internal/web/*.go"}
Arguments
{"command": "cd /project && wc -l internal/web/*.go"}
Result
1004 internal/web/templates.go 374 internal/web/web.go 253 internal/web/web_test.go 1631 total
Thinking
The template is a large Go string. Let me search for the job page, especially the streaming part and the "button" that's mentioned in the issue. The issue says "auto-scroll to the button" — probably a "scroll to bottom" button that appears when the user scrolls up. Let me search for the relevant code.
Tool 🔧 bash {"command": "cd /project && grep -n -i \"scroll\\|stream\\|spying\\|spy\" internal/web/templates.go | head -50"}
Arguments
{"command": "cd /project && grep -n -i \"scroll\\|stream\\|spying\\|spy\" internal/web/templates.go | head -50"}
Result
634: /* ── Scrollbar ──────────────────────────────── */
635: ::-webkit-scrollbar { width: 8px; height: 8px; }
636: ::-webkit-scrollbar-track { background: transparent; }
637: ::-webkit-scrollbar-thumb {
641: ::-webkit-scrollbar-thumb:hover { background: #3a3a50; }
888: return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);
961: var shouldScroll = nearBottom();
995: if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);
Tool 🔧 bash {"command": "cd /project && grep -n -i \"job\" internal/web/templates.go | head -40"}
Arguments
{"command": "cd /project && grep -n -i \"job\" internal/web/templates.go | head -40"}
Result
157: /* ── Job Cards ──────────────────────────────── */
158: .job-cards {
165: .job-card {
176: .job-card:hover {
181: .job-card-header {
187: .job-card-link {
201: .job-card-link:hover {
206: .job-card-body {
212: .job-card-title {
224: .job-card-meta {
230: .job-card-meta code {
237: .job-card-agent {
244: .job-card-avatar {
253: .job-card-agent-name {
594: /* ── Job detail meta ────────────────────────── */
595: .job-meta {
602: .job-meta-item {
608: .job-meta-item .label {
616: .job-meta-item .value {
631: .job-meta { gap: 1rem; }
652: <a href="/jobs">Jobs</a>
665: {{if .ActiveJobs}}
666: <h2>Running Jobs</h2>
667: <div class="job-cards">
668: {{range .ActiveJobs}}
669: <div class="job-card">
670: <div class="job-card-header">
675: <a href="/jobs/{{.ID}}" class="job-card-link" title="View job details">→</a>
677: <div class="job-card-body">
678: <h3 class="job-card-title">
681: <p class="job-card-meta">
684: <div class="job-card-agent">
685: {{if .AvatarURL}}<img class="job-card-avatar" src="{{.AvatarURL}}" alt="{{.Agent}}" title="{{.Agent}}" loading="lazy">{{end}}
686: <span class="job-card-agent-name">{{.Agent}}</span>
757:{{define "jobs"}}
761: <h1>Jobs</h1>
780: <td><a href="/jobs/{{.ID}}">{{.ID}}</a></td>
806:{{define "job_detail"}}
810: <h1>Job {{.Job.ID}}</h1>
814: <div class="job-meta">
Thinking
Let's take a look at the job detail page template and the streaming JavaScript. The issue says "when monitoring a job that's streaming, it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves)".
Hmm, "auto-scroll to the button" — there might be a "scroll to bottom" button. Let me check the job detail template and the JS.
Tool 🔧 read_file {"end_line": 1004, "path": "internal/web/templates.go", "start_line": 806}
Arguments
{"end_line": 1004, "path": "internal/web/templates.go", "start_line": 806}
Result
{"path":"internal/web/templates.go","content":"{{define \"job_detail\"}}\n{{template \"layout_head\" .}}\n\u003cdiv class=\"container\"\u003e\n \u003cdiv class=\"page-header\"\u003e\n \u003ch1\u003eJob {{.Job.ID}}\u003c/h1\u003e\n \u003cp\u003eDetails and log output for this agent run.\u003c/p\u003e\n \u003c/div\u003e\n\n \u003cdiv class=\"job-meta\"\u003e\n \u003cdiv class=\"job-meta-item\"\u003e\n \u003cspan class=\"label\"\u003eStatus\u003c/span\u003e\n \u003cspan class=\"value\"\u003e\n \u003cspan class=\"badge badge-{{.Job.Status}}\"\u003e\n \u003cspan class=\"dot\"\u003e\u003c/span\u003e\n {{.Job.Status}}\n \u003c/span\u003e\n \u003c/span\u003e\n \u003c/div\u003e\n \u003cdiv class=\"job-meta-item\"\u003e\n \u003cspan class=\"label\"\u003eEvent\u003c/span\u003e\n \u003cspan class=\"value\"\u003e{{.Job.EventKind}} on \u003ccode\u003e{{.Job.Owner}}/{{.Job.Repo}}#{{.Job.IssueIndex}}\u003c/code\u003e\u003c/span\u003e\n \u003c/div\u003e\n \u003cdiv class=\"job-meta-item\"\u003e\n \u003cspan class=\"label\"\u003eAgent\u003c/span\u003e\n \u003cspan class=\"value\"\u003e\n \u003cspan class=\"agent\"\u003e\n {{if .AvatarURL}}\u003cimg class=\"agent-avatar\" src=\"{{.AvatarURL}}\" alt=\"{{.Job.Agent}}\" title=\"{{.Job.Agent}}\"\u003e{{end}}\n \u003cstrong\u003e{{.Job.Agent}}\u003c/strong\u003e\n \u003c/span\u003e\n \u003c/span\u003e\n \u003c/div\u003e\n {{if .Job.Error}}\n \u003cdiv class=\"job-meta-item\"\u003e\n \u003cspan class=\"label\"\u003eError\u003c/span\u003e\n \u003cspan class=\"value error-text\"\u003e{{.Job.Error}}\u003c/span\u003e\n \u003c/div\u003e\n {{end}}\n \u003c/div\u003e\n\n \u003ch2\u003eLog\u003c/h2\u003e\n \u003cdiv class=\"log-container\" id=\"log\"\u003e\n {{range .Blocks}}\n {{if eq .Kind \"reasoning\"}}\n \u003cdiv class=\"block block-reasoning\"\u003e\n \u003cdiv class=\"block-label\"\u003eThinking\u003c/div\u003e\n \u003cdiv class=\"block-body\"\u003e{{.Text}}\u003c/div\u003e\n \u003c/div\u003e\n {{else if eq .Kind \"content\"}}\n \u003cdiv class=\"block block-content\"\u003e\n \u003cdiv class=\"block-body\"\u003e{{.Text}}\u003c/div\u003e\n \u003c/div\u003e\n {{else if eq .Kind \"tool\"}}\n \u003cdetails class=\"block block-tool{{if .Tool.Error}} block-tool-error{{end}}\"\u003e\n \u003csummary\u003e\n \u003cspan class=\"tool-badge\"\u003eTool\u003c/span\u003e\n \u003cspan class=\"tool-summary-text\"\u003e\n \u003cspan class=\"tool-name\"\u003e🔧 {{.Tool.Name}}\u003c/span\u003e\n \u003cspan class=\"tool-args-preview\"\u003e{{.Tool.Arguments}}\u003c/span\u003e\n \u003c/span\u003e\n \u003c/summary\u003e\n \u003cdiv class=\"block-body\"\u003e\n \u003cdiv class=\"tool-section-label\"\u003eArguments\u003c/div\u003e\n \u003cpre\u003e{{.Tool.Arguments}}\u003c/pre\u003e\n \u003cdiv class=\"tool-section-label\"\u003eResult\u003c/div\u003e\n \u003cpre\u003e{{.Tool.Result}}\u003c/pre\u003e\n \u003c/div\u003e\n \u003c/details\u003e\n {{else}}\n \u003cdiv class=\"block block-system\"\u003e{{.Text}}\u003c/div\u003e\n {{end}}\n {{end}}\n \u003c/div\u003e\n\n {{if .Live}}\n \u003cscript\u003e\n (function() {\n var jobID = {{.Job.ID}};\n var log = document.getElementById(\"log\");\n var reasoningBody = null;\n var contentBody = null;\n\n function nearBottom() {\n return (window.innerHeight + window.scrollY) \u003e= (document.body.offsetHeight - 80);\n }\n\n function newBlock(kind, label) {\n var div = document.createElement(\"div\");\n div.className = \"block block-\" + kind;\n if (label) {\n var l = document.createElement(\"div\");\n l.className = \"block-label\";\n l.textContent = label;\n div.appendChild(l);\n }\n var body = document.createElement(\"div\");\n body.className = \"block-body\";\n div.appendChild(body);\n log.appendChild(div);\n return body;\n }\n\n function newToolBlock(ev) {\n var details = document.createElement(\"details\");\n details.className = \"block block-tool\" + (ev.error ? \" block-tool-error\" : \"\");\n\n var summary = document.createElement(\"summary\");\n\n var badge = document.createElement(\"span\");\n badge.className = \"tool-badge\";\n badge.textContent = \"Tool\";\n\n var text = document.createElement(\"span\");\n text.className = \"tool-summary-text\";\n\n var name = document.createElement(\"span\");\n name.className = \"tool-name\";\n name.textContent = \"🔧 \" + ev.name;\n\n var preview = document.createElement(\"span\");\n preview.className = \"tool-args-preview\";\n preview.textContent = ev.arguments;\n\n text.appendChild(name);\n text.appendChild(preview);\n summary.appendChild(badge);\n summary.appendChild(text);\n details.appendChild(summary);\n\n var body = document.createElement(\"div\");\n body.className = \"block-body\";\n\n var argsLabel = document.createElement(\"div\");\n argsLabel.className = \"tool-section-label\";\n argsLabel.textContent = \"Arguments\";\n var argsPre = document.createElement(\"pre\");\n argsPre.textContent = ev.arguments;\n\n var resultLabel = document.createElement(\"div\");\n resultLabel.className = \"tool-section-label\";\n resultLabel.textContent = \"Result\";\n var resultPre = document.createElement(\"pre\");\n resultPre.textContent = ev.result;\n\n body.appendChild(argsLabel);\n body.appendChild(argsPre);\n body.appendChild(resultLabel);\n body.appendChild(resultPre);\n details.appendChild(body);\n log.appendChild(details);\n }\n\n var es = new EventSource(\"/jobs/\" + jobID + \"/events\");\n\n es.onmessage = function(e) {\n var ev = JSON.parse(e.data);\n var shouldScroll = nearBottom();\n\n switch (ev.type) {\n case \"reasoning_start\":\n reasoningBody = newBlock(\"reasoning\", \"Thinking\");\n break;\n case \"reasoning_delta\":\n if (reasoningBody) reasoningBody.textContent += ev.text;\n break;\n case \"reasoning_end\":\n // Model output routinely starts/ends with newlines; drop them\n // so the finished block matches the static (trimmed) view.\n if (reasoningBody) reasoningBody.textContent = reasoningBody.textContent.trim();\n reasoningBody = null;\n break;\n case \"content_start\":\n contentBody = newBlock(\"content\", null);\n break;\n case \"content_delta\":\n if (contentBody) contentBody.textContent += ev.text;\n break;\n case \"content_end\":\n if (contentBody) contentBody.textContent = contentBody.textContent.trim();\n contentBody = null;\n break;\n case \"tool\":\n newToolBlock(ev);\n break;\n case \"status\":\n es.close();\n location.reload();\n return;\n }\n\n if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);\n };\n })();\n \u003c/script\u003e\n {{end}}\n\u003c/div\u003e\n\u003c/body\u003e\n\u003c/html\u003e\n{{end}}\n`","start_line":806,"end_line":1004,"total_lines":1004,"truncated":false}
Thinking
Now I understand the current behavior: the job detail page streams log output via EventSource, and when new content arrives, if the user is near the bottom, it auto-scrolls to the bottom.
The Issue says: "When monitoring a streaming job, it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves). Can we do that?"
Hmm, "auto-scroll to the button" — this is a bit ambiguous. Let me re-read: "When monitoring a streaming job, it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves). Can we do that?"
Wait — "auto-scroll to the button"? Maybe it means "auto-scroll to the bottom" and "button" is a typo? Or maybe it means a "scroll to bottom" button should be shown when the user scrolls up, and clicking it scrolls to the bottom?
Actually, let me think about this. The current behavior is: auto-scroll to bottom if the user is near the bottom. If the user scrolls up, auto-scroll stops. The Issue's request is: "it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves)".
Hmm, "auto-scroll to the button" — could it be that there's a button at the bottom of the page (like a "follow" button, or a "scroll to bottom" button)? Let me check the rest of the template to see if there's a button in the job detail view. Let me look at the CSS around the log container and check whether there's a button element.
Let me search for "button" in the template.
Tool 🔧 bash {"command": "cd /project && grep -n -i \"button\\|btn\" internal/web/templates.go | head -30"}
Arguments
{"command": "cd /project && grep -n -i \"button\\|btn\" internal/web/templates.go | head -30"}
Result
Tool 🔧 bash {"command": "cd /project && grep -n \"log-container\\|\\.log\\b\\|#log\" internal/web/templates.go | head -20"}
Arguments
{"command": "cd /project && grep -n \"log-container\\|\\.log\\b\\|#log\" internal/web/templates.go | head -20"}
Result
411: .log-container {
424: .log-container .block + .block {
846: <div class="log-container" id="log">
Thinking
There's no button on the page. So the phrase "auto-scroll to the button" is probably a typo for "auto-scroll to the bottom". This is a classic feature: when streaming a job, the page should automatically scroll to the bottom (so you can follow the latest output), unless the user is scrolling on their own (in which case, don't hijack the scroll position).
Let me check the current behavior:
1. `nearBottom()` — checks whether the user is within 80px of the bottom.
2. On each message, `shouldScroll = nearBottom()` is calculated, and if true, it scrolls to the bottom.
So the current behavior already auto-scrolls when the user is near the bottom. But the issue says "it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves)".
Hmm, wait. Maybe the current behavior has a bug: if the user is at the bottom and new content arrives, the page scrolls. But if the user scrolls up a bit (say, to read an earlier part of the log) and then scrolls back down, the auto-scroll resumes. That's the standard behavior.
But maybe the issue is that the current auto-scroll doesn't work well? Let me think about what "unless the user is scrolling themselves" means. The current implementation checks `nearBottom()` before each update — if the user is near the bottom, it scrolls. So if the user is scrolling up (not near the bottom), it doesn't scroll. That's already "unless the user is scrolling themselves".
Hmm, but there might be a subtle bug: `nearBottom()` uses `document.body.offsetHeight`. If the content is inside a scrollable container (`.log-container` might have `max-height` and `overflow-y: auto`), then `window.scrollY` doesn't reflect the container's scroll. Let me check the CSS for `.log-container`.
Let me read the CSS around line 411.
Tool 🔧 read_file {"end_line": 470, "path": "internal/web/templates.go", "start_line": 380}
Arguments
{"end_line": 470, "path": "internal/web/templates.go", "start_line": 380}
Result
{"path":"internal/web/templates.go","content":" }\n\n /* ── Info grid ──────────────────────────────── */\n .info-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 1rem;\n margin-bottom: 1rem;\n }\n\n .info-item {\n display: flex;\n flex-direction: column;\n gap: 0.2rem;\n }\n\n .info-item .label {\n font-size: 0.78rem;\n text-transform: uppercase;\n letter-spacing: 0.05em;\n color: var(--text-muted);\n font-weight: 600;\n }\n\n .info-item .value {\n font-size: 0.95rem;\n color: var(--text);\n word-break: break-all;\n }\n\n /* ── Code / Log ─────────────────────────────── */\n .log-container {\n background: var(--bg-code);\n border: 1px solid var(--border);\n border-radius: var(--radius);\n overflow-y: auto;\n max-height: 70vh;\n padding: 1rem;\n }\n\n /* Plain block flow, not flex: a flex column with overflow:hidden\n children (.block-tool) gives those children an automatic min-height\n of 0 instead of their content height, so once total content\n exceeded max-height, flexbox was free to squash them down. */\n .log-container .block + .block {\n margin-top: 0.6rem;\n }\n\n pre {\n margin: 0;\n padding: 1.25rem;\n font-family: var(--mono);\n font-size: 0.82rem;\n line-height: 1.7;\n color: #c4c4d0;\n white-space: pre-wrap;\n word-break: break-all;\n }\n\n /* ── Log blocks ─────────────────────────────── */\n .block-label {\n font-size: 0.72rem;\n text-transform: uppercase;\n letter-spacing: 0.06em;\n color: var(--text-muted);\n font-weight: 600;\n margin-bottom: 0.35rem;\n }\n\n .block-body {\n font-family: var(--font);\n font-size: 0.9rem;\n line-height: 1.6;\n color: var(--text);\n white-space: pre-wrap;\n word-break: break-word;\n }\n\n .block-reasoning,\n .block-content {\n padding: 0.75rem 1rem;\n border-radius: var(--radius-sm);\n }\n\n .block-reasoning {\n background: rgba(124, 106, 239, 0.06);\n border-left: 3px solid var(--accent);\n }\n\n .block-reasoning .block-body {\n color: var(--text-muted);","start_line":380,"end_line":470,"total_lines":1004,"truncated":true}
Thinking
Found it! `.log-container` has `overflow-y: auto; max-height: 70vh;` — meaning the log is a **scrollable inner container**, not the window. But the JS is using `window.scrollY`, `window.innerHeight`, `document.body.offsetHeight`, and `window.scrollTo(...)`.
So the current auto-scroll is broken:
- `nearBottom()` checks the window's scroll position, not the log container's scroll position.
- `window.scrollTo(0, document.body.scrollHeight)` scrolls the window, not the container.
If the page body itself is short (the log container is capped at 70vh), the window might not scroll at all, and the log container scrolls internally. So the "auto-scroll" logic never works properly — the page doesn't follow the stream, and the user has to manually scroll the log container.
Now, re-reading the issue: "When monitoring a job that's streaming, it would be nice if the page auto-scrolled to the bottom (unless the user is scrolling themselves). Can we do that?"
"to the button" — hmm. Wait, maybe it's "to the bottom" with a typo. Or maybe the issue author is thinking of a "scroll to bottom" button. Actually, re-reading: "it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves)".
Hmm, "auto-scroll to the button" — maybe there's a button at the bottom of the page that the user wants to scroll to? Let me check the rest of the job detail page — is there a button at the bottom? Let me look at the whole job_detail template… From what I read above (lines 806–1004), the page ends with the log container and a script. There's no button.
Wait, maybe "button" refers to a "scroll to bottom" button that should be added. A common UX pattern: when the user scrolls up in a streaming log, a "↓ Jump to bottom" button appears, and when the user is at the bottom, the view auto-follows. The issue says "auto-scroll to the button (unless the user is scrolling themselves)".
Hmm, that reading is weird. Let me think about the most plausible interpretation:
Interpretation A: "auto-scroll to the bottom" (typo: "button" → "bottom"). The page should auto-scroll to the bottom as new content arrives, unless the user is scrolling themselves (i.e., if the user scrolls up, stop auto-scrolling; resume when the user returns to the bottom).
Interpretation B: Add a "scroll to bottom" button that appears when the user scrolls up, and auto-scroll follows the stream when the user is at the bottom.
Interpretation A is the core feature, and the current code attempts it but is broken because it uses window scroll instead of the container scroll. The phrase "(unless the user is scrolling themselves)" strongly suggests: if the user is at the bottom (i.e., not scrolling away), auto-scroll; if the user has scrolled up (is reading), don't hijack their scroll position.
Actually, wait — "auto-scroll to the button" might literally mean: the log container has a "scroll to bottom" button, and the page should auto-scroll so that button is visible… no, that doesn't make sense either.
Let me check git history for context on how this page evolved, and also check the recent PR #55 "Fix excessive vertical space in job view blocks" which touched this area.
Actually, the most sensible engineering interpretation: fix the auto-scroll so it works on the log container (the actually-scrolling element), follow the stream when the user is at the bottom, and stop when the user scrolls up. Additionally, as a nice UX touch, add a "↓" button to jump back to the bottom when the user is scrolled up — that would cover both interpretations. The issue explicitly says "auto-scroll to the button", so adding a "scroll to bottom" button and auto-scrolling to it (i.e., to the bottom of the log) when the user isn't scrolling themselves is a reasonable, complete implementation.
Hmm, wait, let me re-read once more: "When monitoring a job that's streaming, it would be nice if the page auto-scrolled to the button (unless the user is scrolling themselves). Can we do that?"
I think "button" is a typo for "bottom" — very common. "Auto-scroll to the bottom (unless the user is scrolling themselves)". That's the standard "follow the tail" behavior.
Plan:
1. Fix the auto-scroll logic to operate on the `.log-container` element (the actually-scrolling element) instead of the window.
2. Track user intent: if the user scrolls up (away from the bottom), stop auto-following; if the user scrolls back to the bottom, resume following.
3. Add a floating "↓ bottom" button inside the log container that appears when the user is scrolled up, so they can jump back to the bottom (and re-enable auto-follow). This directly addresses the "button" in the issue title if it wasn't a typo.
4. Preserve behavior: on "status" events, close and reload.
Let me also check web_test.go to see what tests exist, and how the templates are tested, so I can add tests.
I found the job detail page with its streaming logic. Let me look at the rest of the relevant code and the tests.
Tool 🔧 read_file {"end_line": 374, "path": "internal/web/web.go", "start_line": 1}
Arguments
{"end_line": 374, "path": "internal/web/web.go", "start_line": 1}
Result
{"path":"internal/web/web.go","content":"// Package web is zoo's minimal server-rendered dashboard: config\n// overview, live queue/history, and a per-job log tail.\npackage web\n\nimport (\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"html/template\"\n\t\"net/http\"\n\t\"strings\"\n\t\"sync\"\n\t\"time\"\n\n\t\"github.com/abrander/zoo/internal/config\"\n\t\"github.com/abrander/zoo/internal/forgejo\"\n\t\"github.com/abrander/zoo/internal/livelog\"\n\t\"github.com/abrander/zoo/internal/store\"\n)\n\ntype Server struct {\n\tcfg *config.Config\n\tstore *store.Store\n\thub *livelog.Hub\n\tfg *forgejo.Client\n\ttmpl *template.Template\n\n\tavatarMu sync.Mutex\n\tavatarCache map[string]avatarCacheEntry\n}\n\n// avatarCacheTTL bounds how long a resolved avatar URL is trusted before\n// it's re-fetched from Forgejo. Avatars rarely change, but a user can\n// re-upload one (which changes its URL), so the cache expires instead of\n// living for the process lifetime.\nconst avatarCacheTTL = time.Hour\n\ntype avatarCacheEntry struct {\n\turl string\n\tfetchedAt time.Time\n}\n\nfunc New(cfg *config.Config, st *store.Store, hub *livelog.Hub, fg *forgejo.Client) *Server {\n\treturn \u0026Server{\n\t\tcfg: cfg,\n\t\tstore: st,\n\t\thub: hub,\n\t\tfg: fg,\n\t\ttmpl: template.Must(template.New(\"\").Parse(templates)),\n\t\tavatarCache: map[string]avatarCacheEntry{},\n\t}\n}\n\n// Handler returns the dashboard's http.Handler, gated by config.Web's\n// bearer token if one is set.\nfunc (s *Server) Handler() http.Handler {\n\tmux := http.NewServeMux()\n\n\tmux.HandleFunc(\"GET /{$}\", s.handleIndex)\n\tmux.HandleFunc(\"GET /jobs\", s.handleJobs)\n\tmux.HandleFunc(\"GET /jobs/{id}\", s.handleJobDetail)\n\tmux.HandleFunc(\"GET /jobs/{id}/events\", s.handleJobEvents)\n\n\treturn s.authMiddleware(mux)\n}\n\nfunc (s *Server) authMiddleware(next http.Handler) http.Handler {\n\tif s.cfg.Web == nil || s.cfg.Web.Token == \"\" {\n\t\treturn next\n\t}\n\n\ttoken := s.cfg.Web.Token\n\n\treturn http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {\n\t\tauth := r.Header.Get(\"Authorization\")\n\t\tif auth != \"Bearer \"+token {\n\t\t\tw.Header().Set(\"WWW-Authenticate\", `Bearer realm=\"zoo\"`)\n\t\t\thttp.Error(w, \"unauthorized\", http.StatusUnauthorized)\n\n\t\t\treturn\n\t\t}\n\n\t\tnext.ServeHTTP(w, r)\n\t})\n}\n\nfunc (s *Server) handleIndex(w http.ResponseWriter, r *http.Request) {\n\t// Fetch active (pending or running) jobs for the dashboard overview.\n\t// We fetch more than we display so we can filter to just active ones.\n\tallJobs, err := s.store.ListJobs(r.Context(), 200)\n\tif err != nil {\n\t\thttp.Error(w, err.Error(), http.StatusInternalServerError)\n\t\treturn\n\t}\n\n\t// Collect unique agent names from active jobs.\n\tvar agentNames []string\n\tseenAgents := make(map[string]bool)\n\n\tvar activeJobs []activeJobRow\n\tfor _, j := range allJobs {\n\t\tif j.Status != store.JobPending \u0026\u0026 j.Status != store.JobRunning {\n\t\t\tcontinue\n\t\t}\n\t\tif !seenAgents[j.Agent] {\n\t\t\tseenAgents[j.Agent] = true\n\t\t\tagentNames = append(agentNames, j.Agent)\n\t\t}\n\t\tactiveJobs = append(activeJobs, activeJobRow{\n\t\t\tJob: j,\n\t\t\tAvatarURL: s.avatarFor(j.Agent),\n\t\t})\n\t}\n\n\ttype indexData struct {\n\t\t*config.Config\n\t\tActiveJobs []activeJobRow\n\t}\n\n\ts.render(w, \"index\", indexData{\n\t\tConfig: s.cfg,\n\t\tActiveJobs: activeJobs,\n\t})\n}\n\n// activeJobRow is a store.Job enriched with the agent's avatar URL.\ntype activeJobRow struct {\n\tstore.Job\n\tAvatarURL string\n}\n\n// jobRow is a store.Job plus the agent's Forgejo avatar, resolved for the\n// jobs table so it's immediately clear who is running each job.\ntype jobRow struct {\n\tstore.Job\n\tAvatarURL string\n}\n\nfunc (s *Server) handleJobs(w http.ResponseWriter, r *http.Request) {\n\tjobs, err := s.store.ListJobs(r.Context(), 200)\n\tif err != nil {\n\t\thttp.Error(w, err.Error(), http.StatusInternalServerError)\n\n\t\treturn\n\t}\n\n\trows := make([]jobRow, 0, len(jobs))\n\n\tfor _, j := range jobs {\n\t\trows = append(rows, jobRow{Job: j, AvatarURL: s.avatarFor(j.Agent)})\n\t}\n\n\ts.render(w, \"jobs\", rows)\n}\n\n// avatarFor returns the Forgejo avatar URL of the agent named username,\n// or \"\" if it can't be resolved (no Forgejo client configured, unknown\n// user, API error). The dashboard must never fail to render because of a\n// missing avatar, so every failure mode degrades to no image. Results are\n// cached per username for avatarCacheTTL so a page refresh doesn't turn\n// into one GetUserInfo call per unique agent.\nfunc (s *Server) avatarFor(username string) string {\n\tif s.fg == nil || username == \"\" {\n\t\treturn \"\"\n\t}\n\n\ts.avatarMu.Lock()\n\n\tif e, ok := s.avatarCache[username]; ok \u0026\u0026 time.Since(e.fetchedAt) \u003c avatarCacheTTL {\n\t\ts.avatarMu.Unlock()\n\n\t\treturn e.url\n\t}\n\n\ts.avatarMu.Unlock()\n\n\tprofile, err := s.fg.AgentProfile(username)\n\tif err != nil {\n\t\treturn \"\"\n\t}\n\n\ts.avatarMu.Lock()\n\ts.avatarCache[username] = avatarCacheEntry{url: profile.AvatarURL, fetchedAt: time.Now()}\n\ts.avatarMu.Unlock()\n\n\treturn profile.AvatarURL\n}\n\n// toolBlock is the parsed form of a stream=\"tool\" store.LogLine, for the\n// template to render as a single collapsed detail.\ntype toolBlock struct {\n\tName string\n\tArguments string\n\tResult string\n\tError bool\n}\n\n// block is one self-contained, already-complete unit of job output: a\n// finished reasoning or assistant-message block, a finished tool call,\n// or a misc system note. Unlike the old flat log view, one store.LogLine\n// maps to exactly one block — grouping/streaming happens upstream, when\n// agentrun persists the row.\ntype block struct {\n\tKind string // \"reasoning\" | \"content\" | \"tool\" | \"system\"\n\tText string\n\tTool *toolBlock\n}\n\nfunc buildBlocks(logs []store.LogLine) []block {\n\tblocks := make([]block, 0, len(logs))\n\n\tfor _, l := range logs {\n\t\tswitch l.Stream {\n\t\tcase \"reasoning\", \"content\":\n\t\t\t// Model output routinely starts/ends with newlines. The block\n\t\t\t// body renders with white-space: pre-wrap, so those would show\n\t\t\t// up as visible blank lines inflating the block's height. Trim\n\t\t\t// them for display (internal newlines are kept) and drop\n\t\t\t// blocks that are nothing but whitespace.\n\t\t\ttext := strings.TrimSpace(l.Line)\n\t\t\tif text == \"\" {\n\t\t\t\tcontinue\n\t\t\t}\n\t\t\tblocks = append(blocks, block{Kind: l.Stream, Text: text})\n\n\t\tcase \"tool\":\n\t\t\tvar entry store.ToolLogEntry\n\t\t\tif err := json.Unmarshal([]byte(l.Line), \u0026entry); err != nil {\n\t\t\t\tblocks = append(blocks, block{Kind: \"system\", Text: l.Line})\n\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\tblocks = append(blocks, block{Kind: \"tool\", Tool: \u0026toolBlock{\n\t\t\t\tName: entry.Name,\n\t\t\t\tArguments: entry.Arguments,\n\t\t\t\tResult: entry.Result,\n\t\t\t\tError: entry.Error,\n\t\t\t}})\n\n\t\tdefault:\n\t\t\tblocks = append(blocks, block{Kind: \"system\", Text: l.Line})\n\t\t}\n\t}\n\n\treturn blocks\n}\n\nfunc (s *Server) handleJobDetail(w http.ResponseWriter, r *http.Request) {\n\tid := r.PathValue(\"id\")\n\n\tjob, err := s.store.GetJob(r.Context(), id)\n\tif err != nil {\n\t\thttp.Error(w, \"job not found\", http.StatusNotFound)\n\n\t\treturn\n\t}\n\n\tlogs, err := s.store.TailLogs(r.Context(), id, -1)\n\tif err != nil {\n\t\thttp.Error(w, err.Error(), http.StatusInternalServerError)\n\n\t\treturn\n\t}\n\n\ts.render(w, \"job_detail\", struct {\n\t\tJob store.Job\n\t\tBlocks []block\n\t\tLive bool\n\t\tAvatarURL string\n\t}{job, buildBlocks(logs), job.Status == store.JobPending || job.Status == store.JobRunning, s.avatarFor(job.Agent)})\n}\n\n// handleJobEvents streams job jobID's live output as Server-Sent\n// Events. It only ever carries events for the current, not-yet-persisted\n// block (see livelog.Hub.Checkpoint) — everything already written to\n// the store is rendered once, statically, by handleJobDetail. If the\n// job isn't live, the response just ends immediately and the client\n// falls back to the static page.\nfunc (s *Server) handleJobEvents(w http.ResponseWriter, r *http.Request) {\n\tid := r.PathValue(\"id\")\n\n\tjob, err := s.store.GetJob(r.Context(), id)\n\tif err != nil {\n\t\thttp.Error(w, \"job not found\", http.StatusNotFound)\n\n\t\treturn\n\t}\n\n\tif job.Status != store.JobPending \u0026\u0026 job.Status != store.JobRunning {\n\t\treturn\n\t}\n\n\tflusher, ok := w.(http.Flusher)\n\tif !ok {\n\t\thttp.Error(w, \"streaming unsupported\", http.StatusInternalServerError)\n\n\t\treturn\n\t}\n\n\tw.Header().Set(\"Content-Type\", \"text/event-stream\")\n\tw.Header().Set(\"Cache-Control\", \"no-cache\")\n\tw.Header().Set(\"Connection\", \"keep-alive\")\n\tw.WriteHeader(http.StatusOK)\n\n\tbuffered, ch, cancel := s.hub.Subscribe(id)\n\tdefer cancel()\n\n\twrite := func(ev livelog.Event) bool {\n\t\tdata, err := json.Marshal(ev)\n\t\tif err != nil {\n\t\t\treturn true\n\t\t}\n\n\t\tif _, err := fmt.Fprintf(w, \"data: %s\\n\\n\", data); err != nil {\n\t\t\treturn false\n\t\t}\n\n\t\tflusher.Flush()\n\n\t\treturn true\n\t}\n\n\tfor _, ev := range buffered {\n\t\tif !write(ev) {\n\t\t\treturn\n\t\t}\n\t}\n\n\theartbeat := time.NewTicker(15 * time.Second)\n\tdefer heartbeat.Stop()\n\n\tfor {\n\t\tselect {\n\t\tcase ev, ok := \u003c-ch:\n\t\t\tif !ok {\n\t\t\t\treturn\n\t\t\t}\n\n\t\t\tif !write(ev) {\n\t\t\t\treturn\n\t\t\t}\n\n\t\t\tif ev.Type == livelog.Status {\n\t\t\t\treturn\n\t\t\t}\n\n\t\tcase \u003c-heartbeat.C:\n\t\t\tif _, err := fmt.Fprint(w, \": heartbeat\\n\\n\"); err != nil {\n\t\t\t\treturn\n\t\t\t}\n\n\t\t\tflusher.Flush()\n\n\t\tcase \u003c-r.Context().Done():\n\t\t\treturn\n\t\t}\n\t}\n}\n\nfunc (s *Server) render(w http.ResponseWriter, name string, data any) {\n\tw.Header().Set(\"Content-Type\", \"text/html; charset=utf-8\")\n\n\t// Every page here reflects live, fast-changing state (job status, log\n\t// blocks). Without this, browsers are free to serve a stale cached\n\t// copy of the job detail page on a same-URL navigation — including\n\t// the auto location.reload() a job's SSE stream triggers when it\n\t// finishes — which looks exactly like blocks that were visible while\n\t// streaming vanishing once the page reloads.\n\tw.Header().Set(\"Cache-Control\", \"no-store\")\n\n\tif err := s.tmpl.ExecuteTemplate(w, name, data); err != nil {\n\t\thttp.Error(w, err.Error(), http.StatusInternalServerError)\n\t}\n}","start_line":1,"end_line":374,"total_lines":374,"truncated":false}
Tool 🔧 read_file {"path": "internal/web/web_test.go", "start_line": 1, "end_line": 253}
Arguments
{"path": "internal/web/web_test.go", "start_line": 1, "end_line": 253}
Result
{"path":"internal/web/web_test.go","content":"package web\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"net/http\"\n\t\"net/http/httptest\"\n\t\"path/filepath\"\n\t\"strings\"\n\t\"testing\"\n\t\"time\"\n\n\t\"github.com/abrander/zoo/internal/config\"\n\t\"github.com/abrander/zoo/internal/forgejo\"\n\t\"github.com/abrander/zoo/internal/livelog\"\n\t\"github.com/abrander/zoo/internal/store\"\n)\n\nfunc testServer(t *testing.T) (*Server, *store.Store) {\n\tt.Helper()\n\n\tst, err := store.Open(filepath.Join(t.TempDir(), \"zoo.db\"))\n\tif err != nil {\n\t\tt.Fatal(err)\n\t}\n\tt.Cleanup(func() { st.Close() })\n\n\tcfg := \u0026config.Config{\n\t\tLLMs: []config.LLM{{Name: \"qwen\", OpenAI: \"https://example.com\", Model: \"qwen3\"}},\n\t\tAgents: []config.Agent{{Name: \"leon\", LLM: \"qwen\"}},\n\t\tEvents: []config.Event{{Kind: config.EventIssueNew, Agent: \"leon\"}},\n\t\tEnvironment: config.Environment{DockerImage: \"debian:unstable\", MaxLive: 2},\n\t}\n\n\t// No Forgejo client: pages render without avatars.\n\treturn New(cfg, st, livelog.NewHub(), nil), st\n}\n\nfunc TestIndexRenders(t *testing.T) {\n\ts, _ := testServer(t)\n\n\trr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/\", nil))\n\n\tif rr.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", rr.Code, rr.Body.String())\n\t}\n\tif !strings.Contains(rr.Body.String(), \"leon\") {\n\t\tt.Fatalf(\"expected agent name in output, got %s\", rr.Body.String())\n\t}\n}\n\nfunc TestJobsAndDetail(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-1\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 1}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.AppendLog(ctx, \"job-1\", \"stdout\", \"hello\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\trr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs\", nil))\n\tif rr.Code != http.StatusOK || !strings.Contains(rr.Body.String(), \"job-1\") {\n\t\tt.Fatalf(\"unexpected jobs page: %d %s\", rr.Code, rr.Body.String())\n\t}\n\n\trr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif rr.Code != http.StatusOK || !strings.Contains(rr.Body.String(), \"hello\") {\n\t\tt.Fatalf(\"unexpected job detail page: %d %s\", rr.Code, rr.Body.String())\n\t}\n\n\t// job-1 was never marked started/finished, so it's still \"live\":\n\t// hitting /events should stream whatever's currently buffered in the\n\t// hub (not yet checkpointed/persisted) and then wait for more, until\n\t// the request context is done.\n\ts.hub.Publish(\"job-1\", livelog.Event{Type: livelog.ContentDelta, Text: \"streaming\"})\n\n\tevCtx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)\n\tdefer cancel()\n\n\trr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs/job-1/events\", nil).WithContext(evCtx))\n\tif rr.Code != http.StatusOK || !strings.Contains(rr.Body.String(), \"streaming\") {\n\t\tt.Fatalf(\"unexpected events response: %d %s\", rr.Code, rr.Body.String())\n\t}\n\n\t// A finished job isn't live: /events should return immediately with\n\t// nothing to stream, so the client falls back to the static page.\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-2\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 2}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.MarkJobFinished(ctx, \"job-2\", store.JobSucceeded, \"\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\trr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs/job-2/events\", nil))\n\tif rr.Code != http.StatusOK || rr.Body.Len() != 0 {\n\t\tt.Fatalf(\"expected empty response for a non-live job, got %d %q\", rr.Code, rr.Body.String())\n\t}\n}\n\n// TestJobDetailTrimsBlockWhitespace verifies that reasoning/content\n// blocks are rendered without the leading/trailing newlines the model\n// routinely emits: the block body uses white-space: pre-wrap, so those\n// would show up as visible blank lines inflating the block's height\n// (issue #53). Internal newlines must be preserved.\nfunc TestJobDetailTrimsBlockWhitespace(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-1\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 1}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.MarkJobFinished(ctx, \"job-1\", store.JobSucceeded, \"\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.AppendLog(ctx, \"job-1\", \"content\", \"\\nNow the remaining tool callers:\\n\\n\\n\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\t// A block that is nothing but whitespace should not render at all.\n\tif err := st.AppendLog(ctx, \"job-1\", \"content\", \" \\n\\t \"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.AppendLog(ctx, \"job-1\", \"reasoning\", \" \\ninner\\nlines\\nkept\\n \"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif r.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", r.Code, r.Body.String())\n\t}\n\n\tbody := r.Body.String()\n\tif !strings.Contains(body, `\u003cdiv class=\"block-body\"\u003eNow the remaining tool callers:\u003c/div\u003e`) {\n\t\tt.Fatalf(\"expected trimmed content block, got: %s\", body)\n\t}\n\tif strings.Contains(body, \"\u003cdiv class=\\\"block-body\\\"\u003e\\n\") {\n\t\tt.Fatalf(\"block body still starts with a newline: %s\", body)\n\t}\n\tif got := strings.Count(body, `class=\"block block-content\"`); got != 1 {\n\t\tt.Fatalf(\"expected exactly one content block (whitespace-only one dropped), got %d: %s\", got, body)\n\t}\n\tif !strings.Contains(body, \"inner\\nlines\\nkept\") {\n\t\tt.Fatalf(\"expected internal newlines to be preserved, got: %s\", body)\n\t}\n}\n\nfunc TestAuthGate(t *testing.T) {\n\tst, err := store.Open(filepath.Join(t.TempDir(), \"zoo.db\"))\n\tif err != nil {\n\t\tt.Fatal(err)\n\t}\n\tdefer st.Close()\n\n\tcfg := \u0026config.Config{Web: \u0026config.Web{Token: \"secret\"}}\n\ts := New(cfg, st, livelog.NewHub(), nil)\n\n\trr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs\", nil))\n\tif rr.Code != http.StatusUnauthorized {\n\t\tt.Fatalf(\"expected 401 without token, got %d\", rr.Code)\n\t}\n\n\treq := httptest.NewRequest(http.MethodGet, \"/jobs\", nil)\n\treq.Header.Set(\"Authorization\", \"Bearer secret\")\n\trr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, req)\n\tif rr.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200 with correct token, got %d\", rr.Code)\n\t}\n}\n\n// TestJobsShowAgentAvatars verifies the jobs pages render each agent's\n// Forgejo avatar, and that an unresolvable avatar (unknown user) degrades\n// to no image instead of breaking the page.\nfunc TestJobsShowAgentAvatars(t *testing.T) {\n\t// Minimal in-test Forgejo API: the version probe the SDK makes when\n\t// the client is constructed, plus per-user profile lookups.\n\tavatars := map[string]string{\n\t\t\"leon\": \"https://forgejo.example/avatars/leon\",\n\t}\n\n\tapi := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {\n\t\tif r.URL.Path == \"/api/v1/version\" {\n\t\t\tw.Header().Set(\"Content-Type\", \"application/json\")\n\t\t\tfmt.Fprint(w, `{\"version\":\"1.23.0\"}`)\n\n\t\t\treturn\n\t\t}\n\n\t\tif user, ok := strings.CutPrefix(r.URL.Path, \"/api/v1/users/\"); ok {\n\t\t\tif url, ok := avatars[user]; ok {\n\t\t\t\tw.Header().Set(\"Content-Type\", \"application/json\")\n\t\t\t\tfmt.Fprintf(w, `{\"login_name\":%q,\"avatar_url\":%q}`, user, url)\n\n\t\t\t\treturn\n\t\t\t}\n\t\t}\n\n\t\thttp.NotFound(w, r)\n\t}))\n\tt.Cleanup(api.Close)\n\n\tfg, err := forgejo.NewClient(config.Forgejo{URL: api.URL, Token: \"test\"})\n\tif err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tst, err := store.Open(filepath.Join(t.TempDir(), \"zoo.db\"))\n\tif err != nil {\n\t\tt.Fatal(err)\n\t}\n\tt.Cleanup(func() { st.Close() })\n\n\ts := New(\u0026config.Config{}, st, livelog.NewHub(), fg)\n\n\tctx := context.Background()\n\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-1\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 1}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\t// \"ghost\" doesn't exist on the mock Forgejo: the page must still\n\t// render, just without an avatar for that job.\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-2\", EventKind: \"issue:new\", Agent: \"ghost\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 2}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\trr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs\", nil))\n\tif rr.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", rr.Code, rr.Body.String())\n\t}\n\n\tbody := rr.Body.String()\n\tif !strings.Contains(body, `src=\"https://forgejo.example/avatars/leon\"`) {\n\t\tt.Fatalf(\"expected leon's avatar on the jobs page, got: %s\", body)\n\t}\n\tif !strings.Contains(body, \"job-2\") {\n\t\tt.Fatalf(\"expected the unknown-agent job to still render, got: %s\", body)\n\t}\n\n\trr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(rr, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif rr.Code != http.StatusOK || !strings.Contains(rr.Body.String(), `src=\"https://forgejo.example/avatars/leon\"`) {\n\t\tt.Fatalf(\"expected leon's avatar on the job detail page, got %d: %s\", rr.Code, rr.Body.String())\n\t}\n}","start_line":1,"end_line":253,"total_lines":253,"truncated":false}
Thinking
Now I have a grasp of the whole picture:
**Current behavior:**
- The job detail page renders log blocks inside `.log-container` (an inner scrollable div: `overflow-y: auto; max-height: 70vh`).
- Live streaming appends blocks via EventSource.
- Auto-scroll code: `nearBottom()` uses `window.innerHeight + window.scrollY >= document.body.offsetHeight - 80`, and `window.scrollTo(0, document.body.scrollHeight)`.
**Bug:** The scrollable element is `.log-container`, not the window. So `window.scrollTo` scrolls the page (which might not scroll at all if the content fits in the viewport), and `nearBottom()` checks the window's position. Result: the log view doesn't follow the stream. The user has to manually scroll the container.
**Issue request:** "When spying on a job that's streaming, it would be nice if the page auto-scrolled to the bottom (unless the user is scrolling themselves)."
So the fix is:
1. Make auto-follow work on the `.log-container` element.
2. Track whether the user has scrolled away from the bottom (i.e., is reading history). If so, don't auto-scroll. If the user returns to the bottom, resume following.
3. Add a "scroll to bottom" button (floating, inside the log container) that appears when the user is scrolled up — clicking it jumps to the bottom and re-enables auto-follow. This directly addresses the "button" in the issue title.
Implementation details:
```js
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var jumpBtn = document.getElementById("log-jump-bottom");
var reasoningBody = null;
var contentBody = null;
var stickToBottom = true; // follow the stream until the user scrolls up
function isAtBottom() {
return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
}
function scrollToBottom() {
log.scrollTop = log.scrollHeight;
}
// The user scrolled away from the bottom: stop following.
log.addEventListener("scroll", function() {
stickToBottom = isAtBottom();
jumpBtn.hidden = !stickToBottom;
});
jumpBtn.addEventListener("click", function() {
stickToBottom = true;
scrollToBottom();
jumpBtn.hidden = true;
});
function follow() {
if (stickToBottom) scrollToBottom();
}
...
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
switch (ev.type) {
...
case "status":
es.close();
location.reload();
return;
}
follow();
};
})();
```
Wait, there's a subtlety with the `scroll` event listener: when we programmatically scroll to the bottom, the `scroll` event fires, `isAtBottom()` becomes true, and `stickToBottom = true` — that's fine. When the user scrolls up, `stickToBottom = false` and the button appears.
But there's an edge case: if the user scrolls up and then new content arrives that pushes the content down… `stickToBottom` stays false, so we don't scroll. Good.
Another subtlety: if the user is at the bottom and new content arrives, we scroll to the bottom → scroll event fires → `stickToBottom` stays true. Good.
Edge case: what if the content is shorter than the container (no scroll needed)? `scrollHeight - scrollTop - clientHeight <= 80` → `0 <= 80` → true. So `stickToBottom` stays true, and the button is hidden. Good.
Also, the initial state: when the page loads with a live job, the user probably wants to see the latest output. Should the page start pinned to the bottom? Hmm — if the job has already produced a lot of output and the user opens the page, the static render shows all blocks, and the container's initial scrollTop is 0 (top). Should we auto-scroll to the bottom on load?
The issue says "when spying on a job that's streaming, it would be nice if the page auto-scrolled to the bottom (unless the user is scrolling themselves)". When you open the page, the user hasn't scrolled yet — so it's reasonable to start pinned to the bottom (that's what "spying" means: following the live tail). I think starting pinned to the bottom is the right UX: open a running job → see the latest output, and follow as it streams.
Hmm, but wait — is that desirable? If the job has been running for 10 minutes and you open the page, jumping to the bottom shows the latest. That's the "tail -f" behavior. I think that's what "spying on a job that's streaming" means. Let's do that: on load, if the job is live, scroll the container to the bottom.
Actually, let's be careful: `stickToBottom = true` on load means the first event will scroll to the bottom. But if no event arrives for a while, the view stays at the top. To make it deterministic, call `scrollToBottom()` once on init.
Next, about the button: "auto-scroll to the button" — I'll add a floating "↓ bottom" button inside the log container (position: absolute relative to the container; the container needs `position: relative`). It appears when the user is scrolled up. Clicking scrolls to the bottom and resumes following.
Let me design the CSS:
```css
.log-container {
position: relative; /* anchor for the jump-to-bottom button */
...
}
.log-jump {
position: absolute;
right: 1rem;
bottom: 1rem;
display: inline-flex;
align-items: center;
gap: 0.4rem;
padding: 0.4rem 0.8rem;
border-radius: 999px;
border: 1px solid var(--border);
background: var(--bg-surface);
color: var(--text);
font-family: var(--font);
font-size: 0.8rem;
font-weight: 600;
cursor: pointer;
box-shadow: 0 4px 12px rgba(0,0,0,0.4);
transition: background 0.15s ease, border-color 0.15s ease;
}
.log-jump:hover {
background: var(--bg-surface-hover);
border-color: var(--accent);
}
```
And the HTML inside the log container:
```html
<div class="log-container" id="log">
...blocks...
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
</div>
```
Wait — the button inside the scrollable container: with `position: absolute`, it's positioned relative to the container's padding box… actually, for an absolutely positioned element inside a scrollable container, the containing block is the container's padding box, and the element scrolls with the content unless you use `position: sticky`. Hmm, let me think.
If `.log-container` is `position: relative` and the button is `position: absolute; bottom: 1rem; right: 1rem`, the button is positioned relative to the container's padding box — but when the container scrolls, absolutely positioned children scroll with the content (they're positioned relative to the padding box's origin, which is at the top of the content, not the visible viewport of the scrollport). So `bottom: 1rem` would be relative to the full height of the content — meaning the button would be at the very bottom of the content, only visible when scrolled all the way down. That's not what we want.
Options:
1. Use `position: sticky` — a sticky element inside a scroll container stays within its containing block, but can be pinned. If we put the button as the last child with `position: sticky; bottom: 1rem`, it would… hmm, sticky bottom pins when the element would otherwise scroll above the bottom edge. For a button at the end of the content, `position: sticky; bottom: 1rem` would keep it visible at the bottom of the scrollport when the content is longer than the viewport. Actually, yes! A sticky element with `bottom: X` is pinned when its natural position is below the viewport's bottom edge minus X… let me think again.
`position: sticky; bottom: 1rem`: the element behaves like relative until its containing block's scroll would push it past the bottom edge of the scrollport (minus 1rem), then it's pinned. For an element at the very end of the content: when scrolled to the top, the element's natural position is far below the viewport → it gets pinned to the bottom edge of the scrollport (1rem up). When scrolled all the way down, the element's natural position is within the viewport → it sits at its natural position (end of content).
Hmm, but that means the button would be visible at all times (pinned to the bottom when scrolled up, at the end of content when at the bottom). We only want it visible when scrolled up. We can toggle a `hidden` attribute in the scroll handler. When at the bottom, hide it. When scrolled up, show it (sticky pins it to the bottom of the scrollport). That works!
But wait, there's a subtlety with sticky + hidden: when we hide the button (display: none), the layout is fine.
Actually, a simpler and more robust approach: wrap the log container in a `position: relative` wrapper div, and place the button as a sibling of the log container, absolutely positioned over it:
```html
<div class="log-wrap">
<div class="log-container" id="log">...</div>
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
</div>
```
```css
.log-wrap { position: relative; }
.log-jump { position: absolute; right: 1.5rem; bottom: 1.5rem; ... }
```
This is clean: the button floats over the bottom-right of the log box, doesn't scroll with the content, and doesn't affect the container's layout. I like this.
Hmm, but the existing tests check for specific markup… let me check what the tests assert about the job detail page: `strings.Contains(body, "hello")` and the block markup. Adding a wrapper div won't break those.
Next, the JS. Let me rewrite the streaming script:
```js
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var jumpBtn = document.getElementById("log-jump");
var reasoningBody = null;
var contentBody = null;
// Follow the stream (keep the view pinned to the newest output) as
// long as the user hasn't scrolled up to read earlier output.
var stick = true;
function atBottom() {
return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
}
function follow() {
if (stick) log.scrollTop = log.scrollHeight;
}
log.addEventListener("scroll", function() {
stick = atBottom();
jumpBtn.hidden = !stick;
});
jumpBtn.addEventListener("click", function() {
stick = true;
log.scrollTop = log.scrollHeight;
jumpBtn.hidden = true;
});
// Open the page on a live job: start on the newest output.
follow();
function newBlock(kind, label) { ... unchanged ... }
function newToolBlock(ev) { ... unchanged ... }
var es = new EventSource("/jobs/" + jobID + "/events");
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
switch (ev.type) {
case "reasoning_start": ...
...
case "status":
es.close();
location.reload();
return;
}
follow();
};
})();
```
Wait, one issue: `follow()` on init — if the static content is shorter than the container, scrollTop stays 0, no problem. If it's longer, it jumps to the bottom. Good.
Another subtlety: when the user scrolls up, the scroll handler sets `stick = false` and shows the button. When new content arrives, we don't scroll (stick is false). Good — "unless the user is scrolling themselves."
When the user manually scrolls back to the bottom, the scroll handler sets `stick = true` and hides the button. Following resumes.
Edge case: the scroll handler fires on programmatic scrolls too. When we do `log.scrollTop = log.scrollHeight` inside `follow()`, the scroll event fires asynchronously; `atBottom()` → true; `stick` stays true; the button stays hidden. No problem.
Edge case: `atBottom()` threshold of 80px — consistent with the old code's 80px.
Next, about the button label: "↓ Latest" or "↓ Bottom"? The issue says "auto-scroll to the button". Let's go with "↓ Latest" — it conveys jumping to the latest output. Hmm, or "Jump to bottom". Let me keep it short: "↓ Latest".
Also, should the button only show when the job is live? The button is only rendered when `{{if .Live}}`… actually, the button's HTML is inside the log container, which is always rendered. But the JS that shows it is only in the live branch. For a non-live job, the button stays `hidden` — no problem, it's just inert markup. But it's cleaner to only render the button when live. Hmm, the button is inside `#log`, and the `{{if .Live}}` script is outside. We can put the button inside the `{{if .Live}}` block:
```html
<div class="log-container" id="log">
...blocks...
</div>
{{if .Live}}
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
{{end}}
```
But then we need a wrapper for absolute positioning. Let me restructure:
```html
<h2>Log</h2>
<div class="log-wrap">
<div class="log-container" id="log">
...blocks...
</div>
{{if .Live}}
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
{{end}}
</div>
```
This is clean. The wrapper is always present (harmless).
Wait, but do we even need the wrapper? Alternative: make `.log-container` itself `position: relative` and use `position: sticky` on the button inside it. Let me reconsider… the wrapper approach is more predictable across browsers. Let's go with the wrapper.
Hmm, actually, let me reconsider whether to place the button inside the container with `position: sticky; bottom: 1rem`. Sticky inside a scroll container: the containing block is the scroll container. The button as the last child, `position: sticky; bottom: 1rem; margin-left: auto` (to right-align)… sticky elements participate in flow, so they'd take up space at the end of the content (a small button-height gap at the end of the log). And when pinned, they overlap the content. It works, but it adds a small layout artifact at the end of the content. The wrapper approach has zero layout impact. Going with the wrapper.
Next, CSS for the button. Let me match the existing design language (dark theme, accent color, radius).
```css
/* ── Log jump-to-bottom button ─────────────────── */
.log-wrap {
position: relative;
}
.log-jump {
position: absolute;
right: 1.5rem;
bottom: 1.5rem;
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.45rem 0.9rem;
border: 1px solid var(--border);
border-radius: 999px;
background: var(--bg-surface);
color: var(--text);
font-family: var(--font);
font-size: 0.8rem;
font-weight: 600;
line-height: 1.2;
cursor: pointer;
box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
transition: background 0.15s ease, border-color 0.15s ease;
}
.log-jump:hover {
background: var(--bg-surface-hover);
border-color: var(--accent);
}
```
Note: `.log-container` has `padding: 1rem`, so a button at `right: 1.5rem; bottom: 1.5rem` floats nicely inside the box's edge.
Next, the JS. One more consideration: `es.onmessage` — the old code computed `shouldScroll = nearBottom()` before the switch, then scrolled after. The new code calls `follow()` after the switch. Equivalent.
Also, should we handle the case where the user is at the bottom but the scroll event from our programmatic scroll lags behind the next message? The `stick` flag is only set by the scroll handler; programmatic scrolls set stick=true via the scroll event. If two messages arrive in the same frame before the scroll event fires… `stick` is already true (unchanged), so `follow()` scrolls again. No problem.
What if the user is at the bottom (stick=true) and new content arrives, and the scroll event from the previous programmatic scroll hasn't fired yet? stick is still true from before. No problem.
Potential issue: `log.addEventListener("scroll", ...)` — when the user scrolls up, `stick = atBottom()` → false. Good. But what if the user scrolls up and the content is still shorter than the viewport? atBottom() is true → stick stays true, button hidden. Correct — there's nowhere to scroll to.
Next, about the initial `follow()` on load: we should call it after the DOM is ready — the script is at the end of the body, so the DOM is ready.
One more thing: the old code's `nearBottom` used the window; we're replacing it entirely. The static (non-live) page has no script, so no impact.
Next, tests. The project has Go tests for the web package. The JS itself can't be tested in Go, but we can add a test that verifies the rendered job detail page for a live job includes the jump button and the auto-follow script (e.g., contains `log-jump`, references `scrollHeight`, etc.). That's a reasonable smoke test consistent with the existing test style (string checks on rendered HTML).
Let me write a test:
```go
// TestJobDetailAutoScroll verifies the live job detail page ships the
// auto-follow + jump-to-bottom controls (issue #57): the log container
// is wrapped so the button can float over it, and the streaming script
// follows the container's scroll position instead of the window's.
func TestJobDetailAutoScroll(t *testing.T) {
s, st := testServer(t)
ctx := context.Background()
if err := st.CreateJob(ctx, store.Job{ID: "job-1", EventKind: "issue:new", Agent: "leon", Owner: "acme", Repo: "widgets", IssueIndex: 1}); err != nil {
t.Fatal(err)
}
r := httptest.NewRecorder()
s.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, "/jobs/job-1", nil))
if r.Code != http.StatusOK {
t.Fatalf("expected 200, got %d: %s", r.Code, r.Body.String())
}
body := r.Body.String()
for _, want := range []string{
`class="log-wrap"`,
`id="log-jump"`,
`log.scrollHeight`,
`log.scrollTop`,
} {
if !strings.Contains(body, want) {
t.Fatalf("expected %q in live job detail page, got:\n%s", want, body)
}
}
// A finished job is static: no streaming script, no jump button.
if err := st.MarkJobFinished(ctx, "job-1", store.JobSucceeded, ""); err != nil {
t.Fatal(err)
}
r = httptest.NewRecorder()
s.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, "/jobs/job-1", nil))
if r.Code != http.StatusOK {
t.Fatalf("expected 200, got %d: %s", r.Code, r.Body.String())
}
if b := r.Body.String(); strings.Contains(b, `id="log-jump"`) || strings.Contains(b, "EventSource") {
t.Fatalf("finished job detail page should not carry live streaming controls:\n%s", b)
}
}
```
Wait — job-1 is created with the default status. Let me check the store: what's the initial status of a job? In `TestJobsAndDetail`, "job-1 was never marked started/finished, so it's still 'live'". So the initial status must be pending. Good.
Now, let me write the template changes. Current template section (from the read above):
```
<h2>Log</h2>
<div class="log-container" id="log">
{{range .Blocks}}
...
{{end}}
</div>
{{if .Live}}
<script>
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var reasoningBody = null;
var contentBody = null;
function nearBottom() {
return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);
}
...
```
Note: this is a Go template inside a backtick string in templates.go. The JS contains `{{.Job.ID}}` — template actions. I need to edit the raw Go file. The file uses `\u003c` escapes for `<` and `\u0026` for `&`… wait, is that actually in the file, or is it the read_file tool's JSON encoding? The read_file output shows `\u003c` — that's the JSON encoding of `<` in the tool response. The actual file probably has literal `<`. Let me verify with grep/bash.
Actually, the first read_file output (lines 1–100) shows `\u003c!doctype html\u003e` — that's the JSON-escaped form of `<!doctype html>`. The actual file has `<!doctype html>`. OK.
So I'll edit the actual file with edit_file using the real characters.
Now let me write the new template section.
Replace:
```
<h2>Log</h2>
<div class="log-container" id="log">
```
with:
```
<h2>Log</h2>
<div class="log-wrap">
<div class="log-container" id="log">
```
And replace:
```
</div>
{{if .Live}}
<script>
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var reasoningBody = null;
var contentBody = null;
function nearBottom() {
return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);
}
```
with:
```
</div>
{{if .Live}}
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
{{end}}
</div>
{{if .Live}}
<script>
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var jumpBtn = document.getElementById("log-jump");
var reasoningBody = null;
var contentBody = null;
// The log container (not the window) is what scrolls, so all
// scroll math is done against it. While the view is pinned to the
// newest output we keep it there as the stream grows; the moment
// the user scrolls up to read earlier output we stop, and the
// jump button reappears so they can get back to the live tail.
var stick = true;
function atBottom() {
return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
}
function follow() {
if (stick) log.scrollTop = log.scrollHeight;
}
log.addEventListener("scroll", function() {
stick = atBottom();
jumpBtn.hidden = !stick;
});
jumpBtn.addEventListener("click", function() {
stick = true;
log.scrollTop = log.scrollHeight;
jumpBtn.hidden = true;
});
// Opening a live job means spying on its tail: start at the
// newest output.
follow();
```
And the end:
```
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
var shouldScroll = nearBottom();
switch (ev.type) {
```
→
```
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
switch (ev.type) {
```
And:
```
if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);
};
```
→
```
follow();
};
```
And the CSS: add after the `.log-container` block:
```css
/* The log is the scrollable element (not the window), so the
jump-to-bottom button floats over the container via a wrapper. */
.log-wrap {
position: relative;
}
.log-jump {
position: absolute;
right: 1.5rem;
bottom: 1.5rem;
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.45rem 0.9rem;
border: 1px solid var(--border);
border-radius: 999px;
background: var(--bg-surface);
color: var(--text);
font-family: var(--font);
font-size: 0.8rem;
font-weight: 600;
line-height: 1.2;
cursor: pointer;
box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
transition: background 0.15s ease, border-color 0.15s ease;
}
.log-jump:hover {
background: var(--bg-surface-hover);
border-color: var(--accent);
}
```
Wait, one thing about the `hidden` attribute + `display: inline-flex`: the CSS `display: inline-flex` overrides the UA stylesheet's `[hidden] { display: none }`! This is a classic gotcha. The `hidden` attribute sets `display: none` via the UA stylesheet, but author styles with `display: inline-flex` have higher priority than the UA sheet, so the button would always be visible.
We must handle this: add `.log-jump[hidden] { display: none; }` to the CSS. Yes, that's needed.
Alternatively, we could toggle a class instead of the hidden attribute. But `hidden` + an explicit `[hidden] { display: none }` rule is clean and semantic. Let's add it.
Now, let me double-check the "unless the user is scrolling themselves" requirement once more. Our approach: the user scrolls up → stick=false → no more auto-scrolls. The user scrolls back to the bottom (or clicks the button) → stick=true → following resumes. This matches "auto-scroll to the bottom (unless the user is scrolling themselves)".
Hmm, wait. Let me reconsider the phrase "auto-scroll to the button" once more. Could there be a button at the bottom of the page that the user wants to scroll to? There's no button on the page. So either it's a typo for "bottom", or the author is imagining a button. Our implementation covers both: auto-scroll to the bottom when following, plus a button to jump to the bottom when the user has scrolled up.
Now, let me check the git log for how the previous PR (#55) handled this area, to match the style. Also let me check the README for any docs about the web dashboard that might need updating.
Let me also verify that the templates parse — Go's html/template with `{{if .Live}}` etc. The `↓` character in the template: it's a UTF-8 literal, no problem.
One more check: in the template, the `{{if .Live}}` block wraps the script; I'm adding a second `{{if .Live}}` for the button. That's fine.
Also, the button should be inside `.log-wrap` but outside `.log-container` (so it doesn't scroll with the content). Yes, that's the plan.
Now, let me check the exact current text around lines 855–870 (the `<h2>Log</h2>` part) to get the exact string for edit_file. Let me look at the raw file with bash sed to get the exact bytes.
Now I have the full picture. Let me examine the exact raw template text around the log container and the streaming script:
Tool 🔧 bash {"command": "cd /project && sed -n '855,875p' internal/web/templates.go && echo '---' && sed -n '985,1004p' internal/web/templates.go"}
Arguments
{"command": "cd /project && sed -n '855,875p' internal/web/templates.go && echo '---' && sed -n '985,1004p' internal/web/templates.go"}
Result
<div class="block-body">{{.Text}}</div>
</div>
{{else if eq .Kind "tool"}}
<details class="block block-tool{{if .Tool.Error}} block-tool-error{{end}}">
<summary>
<span class="tool-badge">Tool</span>
<span class="tool-summary-text">
<span class="tool-name">🔧 {{.Tool.Name}}</span>
<span class="tool-args-preview">{{.Tool.Arguments}}</span>
</span>
</summary>
<div class="block-body">
<div class="tool-section-label">Arguments</div>
<pre>{{.Tool.Arguments}}</pre>
<div class="tool-section-label">Result</div>
<pre>{{.Tool.Result}}</pre>
</div>
</details>
{{else}}
<div class="block block-system">{{.Text}}</div>
{{end}}
---
break;
case "tool":
newToolBlock(ev);
break;
case "status":
es.close();
location.reload();
return;
}
if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);
};
})();
</script>
{{end}}
</div>
</body>
</html>
{{end}}
`
Tool 🔧 bash {"command": "cd /project && git log --oneline -8 -- internal/web/templates.go && cat README.md | head -60"}
Arguments
{"command": "cd /project && git log --oneline -8 -- internal/web/templates.go && cat README.md | head -60"}
Result
b75b64d Fix excessive vertical space in job view blocks 3b38675 feat(dashboard): add job overview on dashboard 7cf22ff Move max_live_agents into the environment block e1bf291 web: show agent profile photos on the jobs pages c3edf5a Add live streaming of job spying. d1315ed redesign: modern dark-themed UI for zoo dashboard 9e06288 Init. # 🐾 Zoo **Autonomous AI agents that work your Forgejo issues & pull requests.** Zoo watches a [Forgejo](https://codeberg.org/forgejo/forgejo) instance for issue and pull request events, then dispatches them to configured AI agents running in isolated Docker containers. Each agent has its own role, LLM model, and personality — like a menagerie working together to keep your projects moving. --- ## ✨ Features - **Multi-agent orchestration** — Assign different tasks to specialized agents (reviewers, managers, developers). - **Event-driven routing** — Configure which agent handles `issue:new`, `pr:new`, `issue:comment`, `issue:assigned`, and more. - **LLM flexibility** — Plug in any OpenAI-compatible API; each agent gets its own model choice. - **Isolated execution** — Agents run in Docker containers with full filesystem access but no persistence between runs. - **Live dashboard** — Real-time web UI showing active agents, logs, and job history. - **Webhook & polling support** — React to events instantly via webhooks, or fall back to polling. --- ## 🚀 Quick Start ### Prerequisites | Requirement | Version | |-------------|---------| | Go | 1.26+ | | Docker | Latest | | Forgejo | Any (self-hosted or codeberg.dk) | | LLM endpoint | OpenAI-compatible API | ### Configuration Copy the example config and customize it: ```bash cp zoo.hcl.example zoo.hcl ``` Edit `zoo.hcl` with your Forgejo credentials, LLM tokens, and agent definitions. See the [configuration reference](#-configuration-reference) below. ### Running ```bash go build -o zoo ./cmd/zoo ./zoo ``` The daemon starts on port `:8080` by default. Open your browser to see the dashboard. --- ## 👥 Meet the Agents The example configuration includes four agents, each with a distinct role: | Agent | Role | Suggested LLM | Handles | |----------|-----------------------|---------------------|----------------------------------| | **leon** | Engineering Manager | Qwen 3.8 | New issues, comments | | **greg** | Senior Developer | Qwen 3.8 | Pull request reviews | | **anna** | UI/UX Designer | Qwen 3.6 | Design-related issues & PRs |
Thinking
Now I fully understand. Let me summarize the diagnosis:
**Root cause:** The log area (`.log-container`) is an *inner* scrollable element (`overflow-y: auto; max-height: 70vh`), but the streaming auto-scroll code is operating on the **window** (`window.scrollY`, `document.body.offsetHeight`, `window.scrollTo`). As a result, the page doesn't follow the stream at all — the user has to manually scroll the log box.
**Fix (issue #57):**
1. Do the scroll calculations against the `.log-container` element.
2. Follow the tail by default (when you open a live job, start from the latest output).
3. Stop auto-scrolling the moment the user scrolls up (i.e., "except when the user is scrolling themselves").
4. When the user scrolls up, show a floating "↓ Latest" button over the log box, and clicking it jumps back to the bottom and resumes following.
Now let me make the edits. I need to be careful with the exact text in the Go file. Let me check the exact lines to edit.
Edit 1 — CSS: after the `.log-container .block + .block { margin-top: 0.6rem; }` block, add the `.log-wrap` and `.log-jump` styles.
Edit 2 — HTML: wrap the log container with `.log-wrap` and add the jump button.
Edit 3 — JS: replace the window-based scroll logic with container-based stick/follow logic.
Edit 4 — tests.
Let me check the exact text of the CSS section (lines 410–430):
```
/* ── Code / Log ─────────────────────────────── */
.log-container {
background: var(--bg-code);
border: 1px solid var(--border);
border-radius: var(--radius);
overflow-y: auto;
max-height: 70vh;
padding: 1rem;
}
/* Plain block flow, not flex: ... */
.log-container .block + .block {
margin-top: 0.6rem;
}
```
After the `.log-container` rule, I'll add the following:
```
/* The log box is the scrollable element (not the window), so the
jump-to-bottom button floats over it via a positioned wrapper. */
.log-wrap {
position: relative;
}
.log-jump {
position: absolute;
right: 1.5rem;
bottom: 1.5rem;
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.45rem 0.9rem;
border: 1px solid var(--border);
border-radius: 999px;
background: var(--bg-surface);
color: var(--text);
font-family: var(--font);
font-size: 0.8rem;
font-weight: 600;
line-height: 1.2;
cursor: pointer;
box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
transition: background 0.15s ease, border-color 0.15s ease;
}
.log-jump:hover {
background: var(--bg-surface-hover);
border-color: var(--accent);
}
/* The author-level display rule above would otherwise override the
UA stylesheet's [hidden] { display: none }. */
.log-jump[hidden] {
display: none;
}
```
Next, the HTML edit. The current text (around lines 850–853):
```
<h2>Log</h2>
<div class="log-container" id="log">
{{range .Blocks}}
```
New:
```
<h2>Log</h2>
<div class="log-wrap">
<div class="log-container" id="log">
{{range .Blocks}}
```
And the closing part. The current text (around lines 875–880):
```
{{else}}
<div class="block block-system">{{.Text}}</div>
{{end}}
{{end}}
</div>
{{if .Live}}
<script>
```
New:
```
{{else}}
<div class="block block-system">{{.Text}}</div>
{{end}}
{{end}}
</div>
{{if .Live}}
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
{{end}}
</div>
{{if .Live}}
<script>
```
Next, the JS edit. The current text:
```
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var reasoningBody = null;
var contentBody = null;
function nearBottom() {
return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);
}
function newBlock(kind, label) {
```
New:
```
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var jumpBtn = document.getElementById("log-jump");
var reasoningBody = null;
var contentBody = null;
// The log box (not the window) is what scrolls, so all scroll
// math is done against it. While the view is pinned to the newest
// output we keep it there as the stream grows; the moment the
// user scrolls up to read earlier output we stop, and the jump
// button reappears so they can get back to the live tail.
var stick = true;
function atBottom() {
return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
}
function follow() {
if (stick) log.scrollTop = log.scrollHeight;
}
log.addEventListener("scroll", function() {
stick = atBottom();
jumpBtn.hidden = !stick;
});
jumpBtn.addEventListener("click", function() {
stick = true;
log.scrollTop = log.scrollHeight;
jumpBtn.hidden = true;
});
// Opening a live job means spying on its tail: start at the
// newest output.
follow();
function newBlock(kind, label) {
```
And the onmessage part:
```
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
var shouldScroll = nearBottom();
switch (ev.type) {
```
→
```
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
switch (ev.type) {
```
And:
```
if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);
};
```
→
```
follow();
};
```
Let me apply these edits.
I've grasped the overall picture. My diagnosis:
**Root cause:** The log box (`.log-container`) is an *internal* scrollable element (`overflow-y: auto; max-height: 70vh`), but the streaming auto-scroll code is operating against the **window** (`window.scrollY`, `document.body.offsetHeight`, `window.scrollTo`). As a result, the page doesn't follow the stream at all — the user has to manually scroll the log box.
**Plan (Issue #57):**
1. Perform the scroll calculation against the log container.
2. By default, follow the tail (when you open a live job, start from the latest output).
3. The moment the user scrolls up, stop auto-scrolling ("except when the user is scrolling themselves").
4. When the user scrolls up, display a floating "↓ Latest" button over the log box. Clicking it jumps back to the bottom and resumes following.
Now let's apply the changes:
Tool 🔧 edit_file {"path": "internal/web/templates.go", "find": " .log-container {\n background: var(--bg-code);\n border: 1px solid var(--border);\n border-radius: var(--radius);\n overflow-y: auto;\n max-height: 70vh;\n padding: 1rem;\n }", "replace": " .log-container {\n background: var(--bg-code);\n border: 1px solid var(--border);\n border-radius: var(--radius);\n overflow-y: auto;\n max-height: 70vh;\n padding: 1rem;\n }\n\n /* The log box (not the window) is the scrollable element, so the\n jump-to-bottom button floats over it via a positioned wrapper. */\n .log-wrap {\n position: relative;\n }\n\n .log-jump {\n position: absolute;\n right: 1.5rem;\n bottom: 1.5rem;\n display: inline-flex;\n align-items: center;\n gap: 0.35rem;\n padding: 0.45rem 0.9rem;\n border: 1px solid var(--border);\n border-radius: 999px;\n background: var(--bg-surface);\n color: var(--text);\n font-family: var(--font);\n font-size: 0.8rem;\n font-weight: 600;\n line-height: 1.2;\n cursor: pointer;\n box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);\n transition: background 0.15s ease, border-color 0.15s ease;\n }\n\n .log-jump:hover {\n background: var(--bg-surface-hover);\n border-color: var(--accent);\n }\n\n /* The display rule above would otherwise outrank the UA stylesheet's\n [hidden] { display: none }. */\n .log-jump[hidden] {\n display: none;\n }"}
Arguments
{"path": "internal/web/templates.go", "find": " .log-container {\n background: var(--bg-code);\n border: 1px solid var(--border);\n border-radius: var(--radius);\n overflow-y: auto;\n max-height: 70vh;\n padding: 1rem;\n }", "replace": " .log-container {\n background: var(--bg-code);\n border: 1px solid var(--border);\n border-radius: var(--radius);\n overflow-y: auto;\n max-height: 70vh;\n padding: 1rem;\n }\n\n /* The log box (not the window) is the scrollable element, so the\n jump-to-bottom button floats over it via a positioned wrapper. */\n .log-wrap {\n position: relative;\n }\n\n .log-jump {\n position: absolute;\n right: 1.5rem;\n bottom: 1.5rem;\n display: inline-flex;\n align-items: center;\n gap: 0.35rem;\n padding: 0.45rem 0.9rem;\n border: 1px solid var(--border);\n border-radius: 999px;\n background: var(--bg-surface);\n color: var(--text);\n font-family: var(--font);\n font-size: 0.8rem;\n font-weight: 600;\n line-height: 1.2;\n cursor: pointer;\n box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);\n transition: background 0.15s ease, border-color 0.15s ease;\n }\n\n .log-jump:hover {\n background: var(--bg-surface-hover);\n border-color: var(--accent);\n }\n\n /* The display rule above would otherwise outrank the UA stylesheet's\n [hidden] { display: none }. */\n .log-jump[hidden] {\n display: none;\n }"}
Result
1 occurrences replaced
Tool 🔧 edit_file {"path": "internal/web/templates.go", "find": " <h2>Log</h2>\n <div class=\"log-container\" id=\"log\">\n {{range .Blocks}}", "replace": " <h2>Log</h2>\n <div class=\"log-wrap\">\n <div class=\"log-container\" id=\"log\">\n {{range .Blocks}}"}
Arguments
{"path": "internal/web/templates.go", "find": " <h2>Log</h2>\n <div class=\"log-container\" id=\"log\">\n {{range .Blocks}}", "replace": " <h2>Log</h2>\n <div class=\"log-wrap\">\n <div class=\"log-container\" id=\"log\">\n {{range .Blocks}}"}
Result
1 occurrences replaced
Thinking
Next, I'll close the wrapper and add the jump button, then rewrite the JS.
Tool 🔧 edit_file {"find": " <div class=\"block block-system\">{{.Text}}</div>\n {{end}}\n {{end}}\n </div>\n\n {{if .Live}}\n <script>", "path": "internal/web/templates.go", "replace": " <div class=\"block block-system\">{{.Text}}</div>\n {{end}}\n {{end}}\n </div>\n {{if .Live}}\n <button type=\"button\" class=\"log-jump\" id=\"log-jump\" hidden>↓ Latest</button>\n {{end}}\n </div>\n\n {{if .Live}}\n <script>"}
Arguments
{"find": " <div class=\"block block-system\">{{.Text}}</div>\n {{end}}\n {{end}}\n </div>\n\n {{if .Live}}\n <script>", "path": "internal/web/templates.go", "replace": " <div class=\"block block-system\">{{.Text}}</div>\n {{end}}\n {{end}}\n </div>\n {{if .Live}}\n <button type=\"button\" class=\"log-jump\" id=\"log-jump\" hidden>↓ Latest</button>\n {{end}}\n </div>\n\n {{if .Live}}\n <script>"}
Result
1 occurrences replaced
Tool 🔧 edit_file {"find": " (function() {\n var jobID = {{.Job.ID}};\n var log = document.getElementById(\"log\");\n var reasoningBody = null;\n var contentBody = null;\n\n function nearBottom() {\n return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);\n }\n\n function newBlock(kind, label) {", "path": "internal/web/templates.go", "replace": " (function() {\n var jobID = {{.Job.ID}};\n var log = document.getElementById(\"log\");\n var jumpBtn = document.getElementById(\"log-jump\");\n var reasoningBody = null;\n var contentBody = null;\n\n // The log box (not the window) is what scrolls, so all scroll\n // math is done against it. While the view is pinned to the\n // newest output we keep it there as the stream grows; the moment\n // the user scrolls up to read earlier output we stop, and the\n // jump button reappears so they can get back to the live tail.\n var stick = true;\n\n function atBottom() {\n return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;\n }\n\n function follow() {\n if (stick) log.scrollTop = log.scrollHeight;\n }\n\n log.addEventListener(\"scroll\", function() {\n stick = atBottom();\n jumpBtn.hidden = !stick;\n });\n\n jumpBtn.addEventListener(\"click\", function() {\n stick = true;\n log.scrollTop = log.scrollHeight;\n jumpBtn.hidden = true;\n });\n\n // Opening a live job means spying on its tail: start at the\n // newest output.\n follow();\n\n function newBlock(kind, label) {"}
Arguments
{"find": " (function() {\n var jobID = {{.Job.ID}};\n var log = document.getElementById(\"log\");\n var reasoningBody = null;\n var contentBody = null;\n\n function nearBottom() {\n return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);\n }\n\n function newBlock(kind, label) {", "path": "internal/web/templates.go", "replace": " (function() {\n var jobID = {{.Job.ID}};\n var log = document.getElementById(\"log\");\n var jumpBtn = document.getElementById(\"log-jump\");\n var reasoningBody = null;\n var contentBody = null;\n\n // The log box (not the window) is what scrolls, so all scroll\n // math is done against it. While the view is pinned to the\n // newest output we keep it there as the stream grows; the moment\n // the user scrolls up to read earlier output we stop, and the\n // jump button reappears so they can get back to the live tail.\n var stick = true;\n\n function atBottom() {\n return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;\n }\n\n function follow() {\n if (stick) log.scrollTop = log.scrollHeight;\n }\n\n log.addEventListener(\"scroll\", function() {\n stick = atBottom();\n jumpBtn.hidden = !stick;\n });\n\n jumpBtn.addEventListener(\"click\", function() {\n stick = true;\n log.scrollTop = log.scrollHeight;\n jumpBtn.hidden = true;\n });\n\n // Opening a live job means spying on its tail: start at the\n // newest output.\n follow();\n\n function newBlock(kind, label) {"}
Result
1 occurrences replaced
Thinking
Next, I'll update the onmessage handler: remove `var shouldScroll = nearBottom();` and replace `if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);` with `follow();`.
Tool 🔧 edit_file {"find": " es.onmessage = function(e) {\n var ev = JSON.parse(e.data);\n var shouldScroll = nearBottom();\n\n switch (ev.type) {", "path": "internal/web/templates.go", "replace": " es.onmessage = function(e) {\n var ev = JSON.parse(e.data);\n\n switch (ev.type) {"}
Arguments
{"find": " es.onmessage = function(e) {\n var ev = JSON.parse(e.data);\n var shouldScroll = nearBottom();\n\n switch (ev.type) {", "path": "internal/web/templates.go", "replace": " es.onmessage = function(e) {\n var ev = JSON.parse(e.data);\n\n switch (ev.type) {"}
Result
1 occurrences replaced
Tool 🔧 edit_file {"find": " if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);\n };", "path": "internal/web/templates.go", "replace": " follow();\n };"}
Arguments
{"find": " if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);\n };", "path": "internal/web/templates.go", "replace": " follow();\n };"}
Result
1 occurrences replaced
Thinking
Alright, let's verify that the entire job_detail template section reads correctly, then add tests, and run build and tests.
Now let me verify the full modified template section reads correctly:
Tool 🔧 bash {"command": "cd /project && sed -n '/{{define \"job_detail\"}}/,/^{{end}}/p' internal/web/templates.go"}
Arguments
{"command": "cd /project && sed -n '/{{define \"job_detail\"}}/,/^{{end}}/p' internal/web/templates.go"}
Result
{{define "job_detail"}}
{{template "layout_head" .}}
<div class="container">
<div class="page-header">
<h1>Job {{.Job.ID}}</h1>
<p>Details and log output for this agent run.</p>
</div>
<div class="job-meta">
<div class="job-meta-item">
<span class="label">Status</span>
<span class="value">
<span class="badge badge-{{.Job.Status}}">
<span class="dot"></span>
{{.Job.Status}}
</span>
</span>
</div>
<div class="job-meta-item">
<span class="label">Event</span>
<span class="value">{{.Job.EventKind}} on <code>{{.Job.Owner}}/{{.Job.Repo}}#{{.Job.IssueIndex}}</code></span>
</div>
<div class="job-meta-item">
<span class="label">Agent</span>
<span class="value">
<span class="agent">
{{if .AvatarURL}}<img class="agent-avatar" src="{{.AvatarURL}}" alt="{{.Job.Agent}}" title="{{.Job.Agent}}">{{end}}
<strong>{{.Job.Agent}}</strong>
</span>
</span>
</div>
{{if .Job.Error}}
<div class="job-meta-item">
<span class="label">Error</span>
<span class="value error-text">{{.Job.Error}}</span>
</div>
{{end}}
</div>
<h2>Log</h2>
<div class="log-wrap">
<div class="log-container" id="log">
{{range .Blocks}}
{{if eq .Kind "reasoning"}}
<div class="block block-reasoning">
<div class="block-label">Thinking</div>
<div class="block-body">{{.Text}}</div>
</div>
{{else if eq .Kind "content"}}
<div class="block block-content">
<div class="block-body">{{.Text}}</div>
</div>
{{else if eq .Kind "tool"}}
<details class="block block-tool{{if .Tool.Error}} block-tool-error{{end}}">
<summary>
<span class="tool-badge">Tool</span>
<span class="tool-summary-text">
<span class="tool-name">🔧 {{.Tool.Name}}</span>
<span class="tool-args-preview">{{.Tool.Arguments}}</span>
</span>
</summary>
<div class="block-body">
<div class="tool-section-label">Arguments</div>
<pre>{{.Tool.Arguments}}</pre>
<div class="tool-section-label">Result</div>
<pre>{{.Tool.Result}}</pre>
</div>
</details>
{{else}}
<div class="block block-system">{{.Text}}</div>
{{end}}
{{end}}
</div>
{{if .Live}}
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
{{end}}
</div>
{{if .Live}}
<script>
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
var jumpBtn = document.getElementById("log-jump");
var reasoningBody = null;
var contentBody = null;
// The log box (not the window) is what scrolls, so all scroll
// math is done against it. While the view is pinned to the
// newest output we keep it there as the stream grows; the moment
// the user scrolls up to read earlier output we stop, and the
// jump button reappears so they can get back to the live tail.
var stick = true;
function atBottom() {
return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
}
function follow() {
if (stick) log.scrollTop = log.scrollHeight;
}
log.addEventListener("scroll", function() {
stick = atBottom();
jumpBtn.hidden = !stick;
});
jumpBtn.addEventListener("click", function() {
stick = true;
log.scrollTop = log.scrollHeight;
jumpBtn.hidden = true;
});
// Opening a live job means spying on its tail: start at the
// newest output.
follow();
function newBlock(kind, label) {
var div = document.createElement("div");
div.className = "block block-" + kind;
if (label) {
var l = document.createElement("div");
l.className = "block-label";
l.textContent = label;
div.appendChild(l);
}
var body = document.createElement("div");
body.className = "block-body";
div.appendChild(body);
log.appendChild(div);
return body;
}
function newToolBlock(ev) {
var details = document.createElement("details");
details.className = "block block-tool" + (ev.error ? " block-tool-error" : "");
var summary = document.createElement("summary");
var badge = document.createElement("span");
badge.className = "tool-badge";
badge.textContent = "Tool";
var text = document.createElement("span");
text.className = "tool-summary-text";
var name = document.createElement("span");
name.className = "tool-name";
name.textContent = "🔧 " + ev.name;
var preview = document.createElement("span");
preview.className = "tool-args-preview";
preview.textContent = ev.arguments;
text.appendChild(name);
text.appendChild(preview);
summary.appendChild(badge);
summary.appendChild(text);
details.appendChild(summary);
var body = document.createElement("div");
body.className = "block-body";
var argsLabel = document.createElement("div");
argsLabel.className = "tool-section-label";
argsLabel.textContent = "Arguments";
var argsPre = document.createElement("pre");
argsPre.textContent = ev.arguments;
var resultLabel = document.createElement("div");
resultLabel.className = "tool-section-label";
resultLabel.textContent = "Result";
var resultPre = document.createElement("pre");
resultPre.textContent = ev.result;
body.appendChild(argsLabel);
body.appendChild(argsPre);
body.appendChild(resultLabel);
body.appendChild(resultPre);
details.appendChild(body);
log.appendChild(details);
}
var es = new EventSource("/jobs/" + jobID + "/events");
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
switch (ev.type) {
case "reasoning_start":
reasoningBody = newBlock("reasoning", "Thinking");
break;
case "reasoning_delta":
if (reasoningBody) reasoningBody.textContent += ev.text;
break;
case "reasoning_end":
// Model output routinely starts/ends with newlines; drop them
// so the finished block matches the static (trimmed) view.
if (reasoningBody) reasoningBody.textContent = reasoningBody.textContent.trim();
reasoningBody = null;
break;
case "content_start":
contentBody = newBlock("content", null);
break;
case "content_delta":
if (contentBody) contentBody.textContent += ev.text;
break;
case "content_end":
if (contentBody) contentBody.textContent = contentBody.textContent.trim();
contentBody = null;
break;
case "tool":
newToolBlock(ev);
break;
case "status":
es.close();
location.reload();
return;
}
follow();
};
})();
</script>
{{end}}
</div>
</body>
</html>
{{end}}
Thinking
The template looks fine. Next, I'll add a test to web_test.go that verifies the following:
1. The detail page of a live job includes the log-wrap wrapper, the jump button, and the container-based scroll logic.
2. The detail page of a completed (static) job does not include the jump button or the streaming script.
I'll add the test after TestJobDetailTrimsBlockWhitespace.
The template looks good. Now let me add a test covering the new behavior:
Tool 🔧 edit_file {"find": "func TestAuthGate(t *testing.T) {", "path": "internal/web/web_test.go", "replace": "// TestJobDetailAutoScroll verifies the live job detail page ships the\n// tail-following controls (issue #57): the log box is wrapped so the\n// jump-to-bottom button can float over it, and the streaming script does\n// its scroll math against the log container (the actual scrollable\n// element) instead of the window. A finished job is static and must not\n// carry either the button or the streaming script.\nfunc TestJobDetailAutoScroll(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-1\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 1}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif r.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", r.Code, r.Body.String())\n\t}\n\n\tbody := r.Body.String()\n\tfor _, want := range []string{\n\t\t`class=\"log-wrap\"`,\n\t\t`id=\"log-jump\"`,\n\t\t`log.scrollHeight - log.scrollTop - log.clientHeight`,\n\t\t`log.scrollTop = log.scrollHeight`,\n\t} {\n\t\tif !strings.Contains(body, want) {\n\t\t\tt.Fatalf(\"expected %q in live job detail page, got:\\n%s\", want, body)\n\t\t}\n\t}\n\t// The old window-based scroll math must be gone: it never worked,\n\t// because the log box (not the window) is what scrolls.\n\tfor _, gone := range []string{\n\t\t\"window.scrollY\",\n\t\t\"window.scrollTo\",\n\t} {\n\t\tif strings.Contains(body, gone) {\n\t\t\tt.Fatalf(\"live job detail page still uses window scroll math %q:\\n%s\", gone, body)\n\t\t}\n\t}\n\n\t// A finished job is static: no jump button, no streaming script.\n\tif err := st.MarkJobFinished(ctx, \"job-1\", store.JobSucceeded, \"\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif r.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", r.Code, r.Body.String())\n\t}\n\tif b := r.Body.String(); strings.Contains(b, `id=\"log-jump\"`) || strings.Contains(b, \"EventSource\") {\n\t\tt.Fatalf(\"finished job detail page should not carry live streaming controls:\\n%s\", b)\n\t}\n}\n\nfunc TestAuthGate(t *testing.T) {"}
Arguments
{"find": "func TestAuthGate(t *testing.T) {", "path": "internal/web/web_test.go", "replace": "// TestJobDetailAutoScroll verifies the live job detail page ships the\n// tail-following controls (issue #57): the log box is wrapped so the\n// jump-to-bottom button can float over it, and the streaming script does\n// its scroll math against the log container (the actual scrollable\n// element) instead of the window. A finished job is static and must not\n// carry either the button or the streaming script.\nfunc TestJobDetailAutoScroll(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-1\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 1}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif r.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", r.Code, r.Body.String())\n\t}\n\n\tbody := r.Body.String()\n\tfor _, want := range []string{\n\t\t`class=\"log-wrap\"`,\n\t\t`id=\"log-jump\"`,\n\t\t`log.scrollHeight - log.scrollTop - log.clientHeight`,\n\t\t`log.scrollTop = log.scrollHeight`,\n\t} {\n\t\tif !strings.Contains(body, want) {\n\t\t\tt.Fatalf(\"expected %q in live job detail page, got:\\n%s\", want, body)\n\t\t}\n\t}\n\t// The old window-based scroll math must be gone: it never worked,\n\t// because the log box (not the window) is what scrolls.\n\tfor _, gone := range []string{\n\t\t\"window.scrollY\",\n\t\t\"window.scrollTo\",\n\t} {\n\t\tif strings.Contains(body, gone) {\n\t\t\tt.Fatalf(\"live job detail page still uses window scroll math %q:\\n%s\", gone, body)\n\t\t}\n\t}\n\n\t// A finished job is static: no jump button, no streaming script.\n\tif err := st.MarkJobFinished(ctx, \"job-1\", store.JobSucceeded, \"\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\n\tr = httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-1\", nil))\n\tif r.Code != http.StatusOK {\n\t\tt.Fatalf(\"expected 200, got %d: %s\", r.Code, r.Body.String())\n\t}\n\tif b := r.Body.String(); strings.Contains(b, `id=\"log-jump\"`) || strings.Contains(b, \"EventSource\") {\n\t\tt.Fatalf(\"finished job detail page should not carry live streaming controls:\\n%s\", b)\n\t}\n}\n\nfunc TestAuthGate(t *testing.T) {"}
Result
1 occurrences replaced
Thinking
Alright, let's run the build and tests.
Now let me build and run the tests:
Tool 🔧 bash {"command": "cd /project && go build ./... && go vet ./internal/web/ && go test ./internal/web/ -v -run 'TestJobDetail|TestJobsAndDetail|TestIndexRenders' 2>&1 | tail -20", "timeout": 180}
Arguments
{"command": "cd /project && go build ./... && go vet ./internal/web/ && go test ./internal/web/ -v -run 'TestJobDetail|TestJobsAndDetail|TestIndexRenders' 2>&1 | tail -20", "timeout": 180}
Result
=== RUN TestIndexRenders --- PASS: TestIndexRenders (0.14s) === RUN TestJobsAndDetail --- PASS: TestJobsAndDetail (0.41s) === RUN TestJobDetailTrimsBlockWhitespace --- PASS: TestJobDetailTrimsBlockWhitespace (0.21s) === RUN TestJobDetailAutoScroll --- PASS: TestJobDetailAutoScroll (0.16s) PASS ok github.com/abrander/zoo/internal/web 0.926s go: downloading github.com/docker/docker v28.5.2+incompatible go: downloading github.com/hashicorp/hcl/v2 v2.24.0 go: downloading codeberg.org/mvdkleijn/forgejo-sdk/forgejo/v2 v2.2.0 go: downloading github.com/google/uuid v1.6.0 go: downloading modernc.org/sqlite v1.56.0 go: downloading github.com/docker/go-connections v0.8.1 go: downloading github.com/docker/go-units v0.5.0 go: downloading github.com/moby/docker-image-spec v1.3.1 go: downloading github.com/opencontainers/image-spec v1.1.1 go: downloading github.com/containerd/errdefs v1.0.0 go: downloading github.com/containerd/errdefs/pkg v0.3.0 go: downloading github.com/distribution/reference v0.6.0 go: downloading github.com/opencontainers/go-digest v1.0.0 go: downloading github.com/pkg/errors v0.9.1 go: downloading go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.70.0 go: downloading go.opentelemetry.io/otel/trace v1.45.0 go: downloading go.opentelemetry.io/otel v1.45.0 go: downloading github.com/42wim/httpsig v1.2.3 go: downloading github.com/go-fed/httpsig v1.1.0 go: downloading github.com/hashicorp/go-version v1.7.0 go: downloading golang.org/x/crypto v0.39.0 go: downloading github.com/felixge/httpsnoop v1.1.0 go: downloading go.opentelemetry.io/otel/metric v1.45.0 go: downloading github.com/agext/levenshtein v1.2.1 go: downloading github.com/apparentlymart/go-textseg/v15 v15.0.0 go: downloading github.com/mitchellh/go-wordwrap v1.0.1 go: downloading github.com/zclconf/go-cty v1.16.3 go: downloading github.com/go-logr/logr v1.4.4 go: downloading golang.org/x/sys v0.47.0 go: downloading github.com/google/go-cmp v0.7.0 go: downloading github.com/go-logr/stdr v1.2.2 go: downloading go.opentelemetry.io/auto/sdk v1.2.1 go: downloading github.com/cespare/xxhash/v2 v2.3.0 go: downloading golang.org/x/text v0.40.0 go: downloading modernc.org/libc v1.74.4 go: downloading github.com/dustin/go-humanize v1.0.1 go: downloading modernc.org/mathutil v1.7.1 go: downloading modernc.org/memory v1.11.0 go: downloading github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec
Thinking
The web test passed. Next, to confirm that nothing else is broken, I'll run the entire test suite (some tests may require Docker, and those might fail in this environment, but let's see what happens).
Web tests pass. Let me run the full test suite to make sure nothing else broke:
Tool 🔧 bash {"command": "cd /project && go test ./... 2>&1 | tail -20", "timeout": 300}
Arguments
{"command": "cd /project && go test ./... 2>&1 | tail -20", "timeout": 300}
Result
? github.com/abrander/zoo/cmd/zoo [no test files] ok github.com/abrander/zoo/internal/agentrun 0.004s ok github.com/abrander/zoo/internal/config 0.006s ok github.com/abrander/zoo/internal/forgejo 1.137s ok github.com/abrander/zoo/internal/livelog 0.052s ok github.com/abrander/zoo/internal/llm 0.003s ok github.com/abrander/zoo/internal/scheduler 2.737s ok github.com/abrander/zoo/internal/store 1.744s ok github.com/abrander/zoo/internal/tools 0.003s ok github.com/abrander/zoo/internal/web 1.205s
Thinking
All tests pass. Next, do a quick sanity check on the rendered HTML — spin up a quick check to verify the template renders correctly (the tests already cover this, but let me double-check the placement of the button HTML in the rendered output).
Actually, the tests already verify this. Let me also do a quick visual check of the CSS section I added, and then verify the JS logic once more:
1. Page loads with a live job → `follow()` is called → the container scrolls to the bottom. `stick = true`.
2. User is at the bottom, new event arrives → `follow()` scrolls to the bottom. ✓
3. User scrolls up → scroll event → `stick = atBottom()` = false → the button appears. New events don't scroll. ✓
4. User clicks "↓ Latest" → `stick = true`, scroll to the bottom, hide the button. Following resumes. ✓
5. User manually scrolls back to the bottom → scroll event → `stick = true`, button hides. Following resumes. ✓
6. Content is shorter than the viewport → `atBottom()` is always true → the button never appears. ✓
7. `status` event → close + reload (unchanged). ✓
One edge case: when the user is at the bottom and `follow()` programmatically scrolls, the scroll event fires and `stick = atBottom()` = true — consistent.
Another edge case: the 80px threshold in `atBottom()` — if the user is within 80px of the bottom, we treat them as "at the bottom" and keep following. This matches the original intent (the old code also used 80px).
One more check — the `[hidden]` CSS rule. I added `.log-jump[hidden] { display: none; }`. Good, this handles the `display: inline-flex` override issue.
Let me also verify the final CSS section renders correctly and check the diff. Then commit and push.
All tests pass. Let me review the final diff and verify the rendered HTML output once more:
Tool 🔧 bash {"command": "cd /project && git diff"}
Arguments
{"command": "cd /project && git diff"}
Result
diff --git a/internal/web/templates.go b/internal/web/templates.go
index c64e61b..38e1fe0 100644
--- a/internal/web/templates.go
+++ b/internal/web/templates.go
@@ -417,6 +417,44 @@ const templates = `
padding: 1rem;
}
+ /* The log box (not the window) is the scrollable element, so the
+ jump-to-bottom button floats over it via a positioned wrapper. */
+ .log-wrap {
+ position: relative;
+ }
+
+ .log-jump {
+ position: absolute;
+ right: 1.5rem;
+ bottom: 1.5rem;
+ display: inline-flex;
+ align-items: center;
+ gap: 0.35rem;
+ padding: 0.45rem 0.9rem;
+ border: 1px solid var(--border);
+ border-radius: 999px;
+ background: var(--bg-surface);
+ color: var(--text);
+ font-family: var(--font);
+ font-size: 0.8rem;
+ font-weight: 600;
+ line-height: 1.2;
+ cursor: pointer;
+ box-shadow: 0 6px 16px rgba(0, 0, 0, 0.45);
+ transition: background 0.15s ease, border-color 0.15s ease;
+ }
+
+ .log-jump:hover {
+ background: var(--bg-surface-hover);
+ border-color: var(--accent);
+ }
+
+ /* The display rule above would otherwise outrank the UA stylesheet's
+ [hidden] { display: none }. */
+ .log-jump[hidden] {
+ display: none;
+ }
+
/* Plain block flow, not flex: a flex column with overflow:hidden
children (.block-tool) gives those children an automatic min-height
of 0 instead of their content height, so once total content
@@ -843,6 +881,7 @@ const templates = `
</div>
<h2>Log</h2>
+ <div class="log-wrap">
<div class="log-container" id="log">
{{range .Blocks}}
{{if eq .Kind "reasoning"}}
@@ -875,19 +914,50 @@ const templates = `
{{end}}
{{end}}
</div>
+ {{if .Live}}
+ <button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
+ {{end}}
+ </div>
{{if .Live}}
<script>
(function() {
var jobID = {{.Job.ID}};
var log = document.getElementById("log");
+ var jumpBtn = document.getElementById("log-jump");
var reasoningBody = null;
var contentBody = null;
- function nearBottom() {
- return (window.innerHeight + window.scrollY) >= (document.body.offsetHeight - 80);
+ // The log box (not the window) is what scrolls, so all scroll
+ // math is done against it. While the view is pinned to the
+ // newest output we keep it there as the stream grows; the moment
+ // the user scrolls up to read earlier output we stop, and the
+ // jump button reappears so they can get back to the live tail.
+ var stick = true;
+
+ function atBottom() {
+ return log.scrollHeight - log.scrollTop - log.clientHeight <= 80;
+ }
+
+ function follow() {
+ if (stick) log.scrollTop = log.scrollHeight;
}
+ log.addEventListener("scroll", function() {
+ stick = atBottom();
+ jumpBtn.hidden = !stick;
+ });
+
+ jumpBtn.addEventListener("click", function() {
+ stick = true;
+ log.scrollTop = log.scrollHeight;
+ jumpBtn.hidden = true;
+ });
+
+ // Opening a live job means spying on its tail: start at the
+ // newest output.
+ follow();
+
function newBlock(kind, label) {
var div = document.createElement("div");
div.className = "block block-" + kind;
@@ -958,7 +1028,6 @@ const templates = `
es.onmessage = function(e) {
var ev = JSON.parse(e.data);
- var shouldScroll = nearBottom();
switch (ev.type) {
case "reasoning_start":
@@ -992,7 +1061,7 @@ const templates = `
return;
}
- if (shouldScroll) window.scrollTo(0, document.body.scrollHeight);
+ follow();
};
})();
</script>
diff --git a/internal/web/web_test.go b/internal/web/web_test.go
index ded09b2..27827e4 100644
--- a/internal/web/web_test.go
+++ b/internal/web/web_test.go
@@ -151,6 +151,63 @@ func TestJobDetailTrimsBlockWhitespace(t *testing.T) {
}
}
+// TestJobDetailAutoScroll verifies the live job detail page ships the
+// tail-following controls (issue #57): the log box is wrapped so the
+// jump-to-bottom button can float over it, and the streaming script does
+// its scroll math against the log container (the actual scrollable
+// element) instead of the window. A finished job is static and must not
+// carry either the button or the streaming script.
+func TestJobDetailAutoScroll(t *testing.T) {
+ s, st := testServer(t)
+ ctx := context.Background()
+
+ if err := st.CreateJob(ctx, store.Job{ID: "job-1", EventKind: "issue:new", Agent: "leon", Owner: "acme", Repo: "widgets", IssueIndex: 1}); err != nil {
+ t.Fatal(err)
+ }
+
+ r := httptest.NewRecorder()
+ s.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, "/jobs/job-1", nil))
+ if r.Code != http.StatusOK {
+ t.Fatalf("expected 200, got %d: %s", r.Code, r.Body.String())
+ }
+
+ body := r.Body.String()
+ for _, want := range []string{
+ `class="log-wrap"`,
+ `id="log-jump"`,
+ `log.scrollHeight - log.scrollTop - log.clientHeight`,
+ `log.scrollTop = log.scrollHeight`,
+ } {
+ if !strings.Contains(body, want) {
+ t.Fatalf("expected %q in live job detail page, got:\n%s", want, body)
+ }
+ }
+ // The old window-based scroll math must be gone: it never worked,
+ // because the log box (not the window) is what scrolls.
+ for _, gone := range []string{
+ "window.scrollY",
+ "window.scrollTo",
+ } {
+ if strings.Contains(body, gone) {
+ t.Fatalf("live job detail page still uses window scroll math %q:\n%s", gone, body)
+ }
+ }
+
+ // A finished job is static: no jump button, no streaming script.
+ if err := st.MarkJobFinished(ctx, "job-1", store.JobSucceeded, ""); err != nil {
+ t.Fatal(err)
+ }
+
+ r = httptest.NewRecorder()
+ s.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, "/jobs/job-1", nil))
+ if r.Code != http.StatusOK {
+ t.Fatalf("expected 200, got %d: %s", r.Code, r.Body.String())
+ }
+ if b := r.Body.String(); strings.Contains(b, `id="log-jump"`) || strings.Contains(b, "EventSource") {
+ t.Fatalf("finished job detail page should not carry live streaming controls:\n%s", b)
+ }
+}
+
func TestAuthGate(t *testing.T) {
st, err := store.Open(filepath.Join(t.TempDir(), "zoo.db"))
if err != nil {
Thinking
The diff looks clean and surgical. Let's do a final sanity check on the JS logic with a simple headless verification — actually, if node is available, we can extract the script and do a basic syntax check.
The diff is clean. Let me do a final syntax check on the embedded JavaScript (extract it and run it through `node --check` if available):
Tool 🔧 bash {"command": "cd /project && which node || echo \"no node\"; awk '/<script>/,/<\\/script>/' internal/web/templates.go | sed '1d;$d' | sed 's/{{.Job.ID}}/42/' > /tmp/live.js && (node --check /tmp/live.js && echo \"JS syntax OK\") 2>/dev/null || echo \"node not available, skipping\""}
Arguments
{"command": "cd /project && which node || echo \"no node\"; awk '/<script>/,/<\\/script>/' internal/web/templates.go | sed '1d;$d' | sed 's/{{.Job.ID}}/42/' > /tmp/live.js && (node --check /tmp/live.js && echo \"JS syntax OK\") 2>/dev/null || echo \"node not available, skipping\""}
Result
no node node not available, skipping
Thinking
Node isn't available. The JS is simple, and I've reviewed it carefully. The Go template parses without issues (the test renders it), and the JS syntax is straightforward ES5.
One more check: let me verify that the rendered HTML structure is valid by rendering the live job page and inspecting the log-wrap region.
Node isn't available, but the JS is simple ES5 and I've reviewed it carefully. Let me do one final render check of the live page's log section:
Tool 🔧 bash {"command": "cd /project && cat > /tmp/render_check_test.go <<'EOF'\npackage web\n\nimport (\n\t\"context\"\n\t\"net/http\"\n\t\"net/http/httptest\"\n\t\"strings\"\n\t\"testing\"\n\n\t\"github.com/abrander/zoo/internal/store\"\n)\n\nfunc TestRenderCheck(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-9\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 9}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.AppendLog(ctx, \"job-9\", \"content\", \"line one\\nline two\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-9\", nil))\n\tbody := r.Body.String()\n\ti := strings.Index(body, `<h2>Log</h2>`)\n\tj := strings.Index(body, `<script>`)\n\tt.Logf(\"%s\", body[i:j])\n}\nEOF\ncp /tmp/render_check_test.go internal/web/zz_render_check_test.go && go test ./internal/web/ -run TestRenderCheck -v 2>&1 | sed -n '1,40p'; rm internal/web/zz_render_check_test.go", "timeout": 120}
Arguments
{"command": "cd /project && cat > /tmp/render_check_test.go <<'EOF'\npackage web\n\nimport (\n\t\"context\"\n\t\"net/http\"\n\t\"net/http/httptest\"\n\t\"strings\"\n\t\"testing\"\n\n\t\"github.com/abrander/zoo/internal/store\"\n)\n\nfunc TestRenderCheck(t *testing.T) {\n\ts, st := testServer(t)\n\tctx := context.Background()\n\tif err := st.CreateJob(ctx, store.Job{ID: \"job-9\", EventKind: \"issue:new\", Agent: \"leon\", Owner: \"acme\", Repo: \"widgets\", IssueIndex: 9}); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tif err := st.AppendLog(ctx, \"job-9\", \"content\", \"line one\\nline two\"); err != nil {\n\t\tt.Fatal(err)\n\t}\n\tr := httptest.NewRecorder()\n\ts.Handler().ServeHTTP(r, httptest.NewRequest(http.MethodGet, \"/jobs/job-9\", nil))\n\tbody := r.Body.String()\n\ti := strings.Index(body, `<h2>Log</h2>`)\n\tj := strings.Index(body, `<script>`)\n\tt.Logf(\"%s\", body[i:j])\n}\nEOF\ncp /tmp/render_check_test.go internal/web/zz_render_check_test.go && go test ./internal/web/ -run TestRenderCheck -v 2>&1 | sed -n '1,40p'; rm internal/web/zz_render_check_test.go", "timeout": 120}
Result
=== RUN TestRenderCheck
zz_render_check_test.go:27: <h2>Log</h2>
<div class="log-wrap">
<div class="log-container" id="log">
<div class="block block-content">
<div class="block-body">line one
line two</div>
</div>
</div>
<button type="button" class="log-jump" id="log-jump" hidden>↓ Latest</button>
</div>
--- PASS: TestRenderCheck (0.16s)
PASS
ok github.com/abrander/zoo/internal/web 0.168s
Thinking
The rendered HTML structure is correct:
- `.log-wrap` wraps `.log-container`
- The jump button is inside the wrapper, outside the scrollable container, and hidden by default
- The temporary test files have been deleted
Next, I'll commit and push, then open the PR and comment on the issue.
The rendered structure is exactly right. Now let me commit, push, and open the PR:
Tool 🔧 bash {"command": "cd /project && git add internal/web/templates.go internal/web/web_test.go && git commit -m \"Jobs page: follow the live log tail, with a jump-to-bottom button\n\nThe job detail page streams into .log-container, which is the\nscrollable element (overflow-y: auto, max-height: 70vh) — but the\nauto-scroll code did its math against the window (window.scrollY,\ndocument.body.offsetHeight, window.scrollTo), so the view never\nactually followed the stream.\n\nNow the streaming script tracks the container's scroll position:\n\n- Opening a live job starts pinned to the newest output, and the\n view keeps following as the stream grows.\n- The moment the user scrolls up to read earlier output, following\n stops (no scroll hijacking); scrolling back to the bottom resumes\n it.\n- A floating \\\"↓ Latest\\\" button appears over the log box whenever\n the user is scrolled up; clicking it jumps back to the tail and\n resumes following.\n\nThe button is only rendered for live jobs, and a [hidden] display\nrule keeps it out of the way otherwise.\" && git push origin issue-57-greg", "timeout": 120}
Arguments
{"command": "cd /project && git add internal/web/templates.go internal/web/web_test.go && git commit -m \"Jobs page: follow the live log tail, with a jump-to-bottom button\n\nThe job detail page streams into .log-container, which is the\nscrollable element (overflow-y: auto, max-height: 70vh) — but the\nauto-scroll code did its math against the window (window.scrollY,\ndocument.body.offsetHeight, window.scrollTo), so the view never\nactually followed the stream.\n\nNow the streaming script tracks the container's scroll position:\n\n- Opening a live job starts pinned to the newest output, and the\n view keeps following as the stream grows.\n- The moment the user scrolls up to read earlier output, following\n stops (no scroll hijacking); scrolling back to the bottom resumes\n it.\n- A floating \\\"↓ Latest\\\" button appears over the log box whenever\n the user is scrolled up; clicking it jumps back to the tail and\n resumes following.\n\nThe button is only rendered for live jobs, and a [hidden] display\nrule keeps it out of the way otherwise.\" && git push origin issue-57-greg", "timeout": 120}
Result
[issue-57-greg f4da8cd] Jobs page: follow the live log tail, with a jump-to-bottom button 2 files changed, 130 insertions(+), 4 deletions(-) To https://code.stdio.dk/abrander/zoo.git * [new branch] issue-57-greg -> issue-57-greg
Thinking
Push complete. Next, I'll open a pull request and add a comment to the issue.
Tool 🔧 open_pull_request {"head": "issue-57-greg", "base": "main", "title": "Jobs page: follow the live log tail, with a jump-to-bottom button", "body": "## Issue #57 — Jobs page auto-scroll\n\n### Root cause\n\nThe job detail page streams into `.log-container`, which is the **scrollable element** (`overflow-y: auto; max-height: 70vh`) — but the auto-scroll code did all its math against the **window** (`window.scrollY`, `document.body.offsetHeight`, `window.scrollTo`). Since the window rarely scrolls on that page, the view never actually followed the stream: you had to scroll the log box by hand.\n\n### What this does\n\nThe streaming script now tracks the container's scroll position:\n\n- **Follow the tail** — opening a live job starts pinned to the newest output, and the view keeps following as the stream grows.\n- **No scroll hijacking** — the moment you scroll up to read earlier output, following stops. Scrolling back to the bottom (within 80px) resumes it.\n- **Jump button** — a floating \"↓ Latest\" button appears over the log box whenever you're scrolled up; clicking it jumps back to the tail and resumes following. It's only rendered for live jobs.\n\n### Changes\n\n- `internal/web/templates.go` — container-based `atBottom()`/`follow()` logic, scroll/click listeners, `.log-wrap` positioned wrapper + `.log-jump` button styles (including a `[hidden]` rule so the `display: inline-flex` rule can't override the UA hidden state).\n- `internal/web/web_test.go` — `TestJobDetailAutoScroll`: live page ships the wrapper, button, and container-based scroll math (and no window scroll math); finished job page ships neither button nor streaming script.\n\n`go build ./...`, `go vet`, and the full `go test ./...` suite pass."}
Arguments
{"head": "issue-57-greg", "base": "main", "title": "Jobs page: follow the live log tail, with a jump-to-bottom button", "body": "## Issue #57 — Jobs page auto-scroll\n\n### Root cause\n\nThe job detail page streams into `.log-container`, which is the **scrollable element** (`overflow-y: auto; max-height: 70vh`) — but the auto-scroll code did all its math against the **window** (`window.scrollY`, `document.body.offsetHeight`, `window.scrollTo`). Since the window rarely scrolls on that page, the view never actually followed the stream: you had to scroll the log box by hand.\n\n### What this does\n\nThe streaming script now tracks the container's scroll position:\n\n- **Follow the tail** — opening a live job starts pinned to the newest output, and the view keeps following as the stream grows.\n- **No scroll hijacking** — the moment you scroll up to read earlier output, following stops. Scrolling back to the bottom (within 80px) resumes it.\n- **Jump button** — a floating \"↓ Latest\" button appears over the log box whenever you're scrolled up; clicking it jumps back to the tail and resumes following. It's only rendered for live jobs.\n\n### Changes\n\n- `internal/web/templates.go` — container-based `atBottom()`/`follow()` logic, scroll/click listeners, `.log-wrap` positioned wrapper + `.log-jump` button styles (including a `[hidden]` rule so the `display: inline-flex` rule can't override the UA hidden state).\n- `internal/web/web_test.go` — `TestJobDetailAutoScroll`: live page ships the wrapper, button, and container-based scroll math (and no window scroll math); finished job page ships neither button nor streaming script.\n\n`go build ./...`, `go vet`, and the full `go test ./...` suite pass."}
Result
Pull request opened
Thinking
The PR has been opened. Next, I'll add a comment on the issue summarizing what was done.
Tool 🔧 comment {"body": "Done — PR opened against `main` (branch `issue-57-greg`).\n\n**Why it didn't work before:** the log box (`.log-container`) is the scrollable element (`overflow-y: auto; max-height: 70vh`), but the streaming auto-scroll code did its math against the *window* (`window.scrollY` / `window.scrollTo`), so the view never actually followed the stream.\n\n**What you get now:**\n\n- **Auto-scroll to the bottom while streaming** — opening a live job starts you at the newest output, and the view keeps following as the log grows.\n- **No hijacking** — the moment you scroll up to read earlier output, auto-scroll stops; scroll back down (or click the button) and it resumes.\n- **\"↓ Latest\" button** — floats over the log box whenever you're scrolled up, so you can jump straight back to the live tail. Only shown on live jobs.\n\nCovered by a new `TestJobDetailAutoScroll`; full test suite passes."}
Arguments
{"body": "Done — PR opened against `main` (branch `issue-57-greg`).\n\n**Why it didn't work before:** the log box (`.log-container`) is the scrollable element (`overflow-y: auto; max-height: 70vh`), but the streaming auto-scroll code did its math against the *window* (`window.scrollY` / `window.scrollTo`), so the view never actually followed the stream.\n\n**What you get now:**\n\n- **Auto-scroll to the bottom while streaming** — opening a live job starts you at the newest output, and the view keeps following as the log grows.\n- **No hijacking** — the moment you scroll up to read earlier output, auto-scroll stops; scroll back down (or click the button) and it resumes.\n- **\"↓ Latest\" button** — floats over the log box whenever you're scrolled up, so you can jump straight back to the live tail. Only shown on live jobs.\n\nCovered by a new `TestJobDetailAutoScroll`; full test suite passes."}
Result
Comment posted
Thinking
Everything is complete:
1. ✅ Diagnosed the root cause (window scroll calculation vs. container scroll)
2. ✅ Implemented auto-follow with a stick flag, a scroll listener, and a jump-to-bottom button
3. ✅ Added tests
4. ✅ All tests pass (go build, go vet, go test ./...)
5. ✅ Committed and pushed
6. ✅ Opened a PR
7. ✅ Commented on the issue
I'll wrap up with a summary.
Issue #57 is handled. Summary of what I did:
**Diagnosis:** The job detail page streams into `.log-container`, which is the actual scrollable element (`overflow-y: auto; max-height: 70vh`) — but the auto-scroll code did all its math against the *window* (`window.scrollY`, `document.body.offsetHeight`, `window.scrollTo`). Since the window barely scrolls on that page, the view never followed the stream and users had to scroll the log box by hand.
**Fix (branch `issue-57-greg`, PR opened against `main`):**
1. **Container-based scroll math** — `atBottom()` / `follow()` now operate on the log element itself.
2. **Tail-following** — opening a live job starts pinned to the newest output and keeps following as the stream grows.
3. **No scroll hijacking** — the moment the user scrolls up to read earlier output, following stops; scrolling back to the bottom (within 80px) or clicking the button resumes it.
4. **"↓ Latest" jump button** — floats over the log box (via a positioned `.log-wrap` wrapper) whenever the user is scrolled up; only rendered for live jobs, with a `[hidden]` CSS rule so the `display: inline-flex` rule can't override the hidden state.
**Verification:** Added `TestJobDetailAutoScroll` (live page ships the wrapper/button/container scroll math and no window scroll math; finished job ships neither). `go build ./...`, `go vet`, and the full `go test ./...` suite all pass.