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feat: cursor overlay, session viewer, SteelDriver, GitHub Action#34
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world-class

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Summary

The four highest-leverage moves from the new world-class checklist, shipped together.

This PR closes the biggest visibility/distribution gaps from the strategic review:

  • bad was invisible — no way to watch it work, no way to share runs. Now there's a session viewer and a cursor overlay.
  • bad couldn't run on managed infra — locked to local Playwright. Now a SteelDriver swap unlocks Steel's anti-bot/proxy/CAPTCHA layer with zero agent changes.
  • bad had no PR-level distribution surface — now any repo can drop in a GitHub Action that audits previews and posts Top Fixes as PR comments.

What's new

📋 World-class checklist (docs/roadmap/world-class-checklist.md)

Strategic spec covering session viewer, bad-app cloud, anti-bot, design audit deepening, evolve loop, DX, docs, distribution, and what NOT to build. P0/P1/P2 priority breakdown. Source of truth for the next several quarters.

⌖ Cursor + element highlight overlay (src/drivers/cursor-overlay.ts)

Self-contained init script that injects an SVG cursor sprite, animated click ring, highlight box, and action label into every page. The driver animates the cursor to each click target before the action fires, captured live in screenshots so demos and replays show what bad is doing.

```ts
const driver = new PlaywrightDriver(page, { showCursor: true })
```

The animation is purely cosmetic — failures are swallowed, never blocks the action.

🌐 SteelDriver (src/drivers/steel.ts)

New driver that connects bad's agent loop to a Steel-managed remote browser via Playwright over CDP. Same agent — design audit, evolve loops, wallet automation — runs unchanged against any Steel session.

```ts
import { BrowserAgent, SteelDriver } from '@tangle-network/browser-agent-driver'

const driver = await SteelDriver.create({
apiKey: process.env.STEEL_API_KEY,
sessionOptions: { useProxy: true, solveCaptcha: true },
})
const agent = new BrowserAgent({ driver, config: { model: 'sonnet' } })
await agent.run({ goal: 'Sign in', startUrl: 'https://app.example.com' })
```

`steel-sdk` is loaded via dynamic import so users who don't use Steel pay zero cost.

🪟 Session viewer (src/viewer/viewer.html + src/cli-view.ts)

Self-contained vanilla HTML viewer (no React, no build pipeline, single static file).

```bash
bad view audit-results/stripe.com-1775502457141
```

Three-pane layout: sidebar with turns/pages, main viewport with screenshot + scrubber, aside with action JSON / reasoning / design system breakdown / findings. Top Fixes opens by default for design audit runs. Polished dark theme. Auto-detects design audit vs agent run formats. Works offline.

Tested live against an existing audit run — HTML loads, screenshots load, data inlined correctly.

🤖 GitHub Action (`.github/actions/design-audit/`)

Composite action that any repo can use:

```yaml

  • uses: tangle-network/browser-agent-driver/.github/actions/design-audit@main
    with:
    url: ${{ steps.deploy.outputs.preview_url }}
    pages: 5
    fail-on-score-below: '6.5'
    evolve: claude-code # optional auto-fix
    openai-api-key: ${{ secrets.OPENAI_API_KEY }}
    ```

Posts Top Fixes (by ROI) as a PR comment. Uploads the full report as a workflow artifact. Optionally fails the build on score regressions or critical findings. Supports the evolve loop for auto-fix PRs.

Other changes

  • `scripts/copy-static-assets.mjs` replaces `copy-rubric-fragments.mjs` and now copies viewer assets too
  • `src/index.ts` exports `SteelDriver` + `SteelDriverOptions`
  • README documents Session Viewer, Drivers, and GitHub Action sections
  • Bumped to 0.14.0

What's NOT in this PR (next up)

  • bad-app multi-tenant cloud (auth + billing + Tangle sandbox integration) — week-2 work
  • Reference library + comparative scoring — needs corpus building
  • Live screencast streaming (real-time, not just post-run replay)
  • Time-travel debugging in the viewer
  • VS Code extension

These are tracked in `docs/roadmap/world-class-checklist.md`.

Test plan

  • `pnpm build` — clean
  • `pnpm check:boundaries` — passes (80 files)
  • `pnpm test` — 688 tests pass
  • `bad view` smoke test against an existing audit run (HTML serves, screenshot serves, data inlined)
  • Reviewer: try `bad design-audit --url --show-cursor` and inspect screenshots — cursor + highlights should be visible
  • Reviewer: try `bad view audit-results/` and click around the viewer
  • Reviewer (optional): pip install steel-sdk, set STEEL_API_KEY, try `SteelDriver.create()` programmatically

Bumped to 0.14.0

This is a feature release — no breaking changes to existing CLI flags.

The four highest-leverage moves from the world-class checklist, shipped together.

## docs/roadmap/world-class-checklist.md
Strategic spec covering session viewer, bad-app cloud, anti-bot, design audit
deepening, evolve loop, DX, docs, distribution, and what NOT to build. P0/P1/P2
priority breakdown. Source of truth for the next several quarters of work.

## Cursor + element highlight overlay (src/drivers/cursor-overlay.ts)
A self-contained init script that injects an SVG cursor sprite, animated click
ring, highlight box, and action label into every page. The driver animates the
cursor to each click target and pulses on contact, captured live in screenshots
so demos and replays show what the agent is doing.

PlaywrightDriver gains a `showCursor` option. When set, the overlay is installed
once via context.addInitScript and animateCursorToSelector() is called before
every click/type/press/hover/select action. The animation is purely cosmetic
and never blocks the action — failures are swallowed.

## SteelDriver (src/drivers/steel.ts)
New driver that connects bad's agent loop to a Steel-managed remote browser via
Playwright over CDP. The same agent — design audit, evolve loops, wallet
automation — runs unchanged against any Steel session. Steel handles
anti-bot/proxies/CAPTCHA infra; bad handles the agent layer Steel doesn't.

steel-sdk is loaded via dynamic import so users who don't use Steel pay zero
cost. SteelDriver.create() handles session lifecycle (creates if not given,
releases on close).

## Session viewer (src/viewer/viewer.html + src/cli-view.ts)
Self-contained vanilla HTML viewer (no React, no build pipeline, single file).
`bad view <run-dir>` starts a tiny static server, inlines the report.json into
the HTML, and opens the user's browser.

Three-pane layout: sidebar (turns/pages), main (screenshot + scrubber), aside
(action JSON, reasoning, design system breakdown, findings table). Top Fixes
opens by default for design audit runs. Auto-detects design audit vs agent run
formats. Polished dark theme.

Tested live against an existing audit run — HTML loads, screenshots load,
data is inlined correctly.

## GitHub Action (.github/actions/design-audit/)
Composite action that any repo can use via:
  uses: tangle-network/browser-agent-driver/.github/actions/design-audit@main

Installs bad CLI, runs design-audit on the given URL, posts Top Fixes as a PR
comment, uploads the full report.json + screenshots as a workflow artifact,
and optionally fails the build on score regressions or critical findings.
Supports the evolve loop for auto-fix PRs.

This is the distribution wedge — drop bad into any PR pipeline in 30 seconds.

## Other changes
- scripts/copy-static-assets.mjs replaces copy-rubric-fragments.mjs and now
  copies viewer assets too
- src/index.ts exports SteelDriver + SteelDriverOptions
- README documents Session Viewer, Drivers, and GitHub Action sections
- Bumped to 0.14.0

## Tests
688 tests pass (unchanged). 80 files in boundary check (was 77 — added
cursor-overlay, steel, cli-view).
3-reviewer critical audit on PR #34 found 7 CRITICAL and ~15 HIGH issues.
This commit fixes all CRITICAL and the highest-impact HIGH items, plus
adds the minimum tests that should have shipped with the original PR.

## CRITICAL fixes

### Security
- **GitHub Action shell injection** (action.yml) — `${{ inputs.* }}` was
  template-interpolated directly into bash. Moved every input to `env:`
  vars and reference as `"$URL"` etc. Validates `bad-version` against a
  strict regex before passing to `npm install`. Adds numeric guards on
  threshold values before passing to `bc`.
- **GitHub Action `node -e` injection** (action.yml) — `'$REPORT'` was
  spliced into a JS string. Switched to `REPORT_PATH=... node -e '...
  process.env.REPORT_PATH ...'`. The PR-comment node script is now a
  heredoc piped to a temp file, never re-expanded by bash, posted via
  `gh pr comment --body-file`.
- **Viewer XSS via `</script>` in inlined JSON** (cli-view.ts) — report
  data was string-replaced into a `<script>` block. Now JSON is re-parsed
  + re-stringified for normalization, then the standard JS-in-HTML escapes
  are applied: `</script` → `<\/script`, `<!--` → `<\!--`, `U+2028/29` →
  `\u2028/29`. Test coverage: 5 unit tests in `tests/cli-view.test.ts`.
- **Path traversal in viewer HTTP server** (cli-view.ts) — the prefix
  check `safePath.startsWith(reportRoot)` was bypassed by sibling dirs
  (`/tmp/foo` vs `/tmp/foo-evil`). Replaced with `path.relative()` check
  + `fs.realpathSync()` to detect escaping symlinks. Test coverage: 6
  unit tests in `tests/cli-view.test.ts` covering absolute paths,
  `../`, prefix-confusion, symlink escape.
- **LAN exposure of viewer** (cli-view.ts) — `server.listen(port)` binds
  all interfaces on older Node. Now binds explicitly to `127.0.0.1`.

### Correctness
- **`--show-cursor` CLI flag was wired to NOTHING** (cli.ts) — declared
  in the parser, never passed to PlaywrightDriver. The entire feature
  was unreachable from the CLI despite the README advertising it. Now
  threaded through `new PlaywrightDriver(page, { showCursor: ... })`.
- **`Math.random()` in the design-audit eval prompt** (evaluate.ts) —
  the example payload generated random numbers per call, breaking the
  `--reproducibility` promise byte-for-byte. Replaced with constant 7.
- **SteelDriver dynamic import was broken against the real steel-sdk**
  (steel.ts) — assumed a default export; the real package exports
  `Steel` as a named class. Now tries `mod.Steel`, `mod.default`, and
  the module itself, with a clear error listing available exports.
- **Fire-and-forget overlay install race** (playwright.ts) — constructor
  fired `installCursorOverlay().catch(...)` and set `cursorInstalled =
  true` synchronously, so the first action could race the inject. Now
  stores `cursorInstallPromise` and `animateCursorToSelector` awaits it.

## HIGH fixes

- **Dead `page.evaluate(() => null)` on hot path** (playwright.ts) —
  removed. Was a CDP round-trip per click for nothing.
- **Monkey-patch `ov.highlight = ov.highlight || (() => null)`**
  (playwright.ts) — removed. Was a meaningless no-op signaling confusion.
- **Fragile `root.children[0]` poke** (playwright.ts + cursor-overlay.ts)
  — added `id="__bad_overlay_box"` to the highlight box element and a
  proper `highlightRect(x, y, w, h)` method to the overlay's public API.
  Driver now calls `ov.highlightRect(...)` instead of indexing into
  `root.children` and assuming append order.
- **Dead `highlight()` API in cursor-overlay** — was never called by
  the only caller. Kept as part of the public API but it's now actually
  callable. New `highlightRect()` is what the driver uses.
- **SteelDriver delegation gaps** (steel.ts) — added forwarding for
  `setupResourceBlocking` (required by `bad run` and benchmarks) and
  `getLastTiming` (required by `bench/agent-bench.ts`,
  `bench/observe-bench.ts`). Fixed `screenshot()` to return JPEG matching
  PlaywrightDriver's format instead of silently diverging to PNG.
  Narrowed `getPage()` return type from `Page | undefined` to `Page`.
- **SteelDriver `contexts[0].pages()[0]` could be `about:blank`** (steel.ts)
  — now prefers the first non-blank page in the first context.
- **Unknown-command error missing `view`** (cli.ts) — added.

## Doc accuracy

- `world-class-checklist.md` previously claimed the viewer would be
  "Vite + React SPA" — false, it's vanilla HTML. Updated to reflect
  reality + added a "Shipped to date" section listing actual deliveries.
- README "works offline" claim was misleading — viewer requires a local
  Node HTTP server. Reworded to "no external dependencies, served by a
  local loopback HTTP server on port 7777".

## Tests

+20 tests in 2 new files:
- `tests/cli-view.test.ts` (14 tests)
  - Path traversal protection (6 cases: absolute paths, ../, prefix
    confusion, symlink escape, non-existent files, valid serving)
  - XSS-safe JSON inlining (5 cases: </script>, </SCRIPT>, <!--,
    U+2028/2029, round-trip preservation)
  - findReportJson resolution (3 cases: top-level, one-level deep, missing)
- `tests/cursor-overlay.test.ts` (6 tests)
  - Init script parses as valid JS (catches stray quotes via `new Function`)
  - Public API surface declared
  - `__bad_overlay_box` id is stable
  - Idempotency guard present
  - `CURSOR_ANIMATION_MS` is sane

Total: 708 tests pass (was 688), 58 test files (was 56). Boundaries: 80 files.

## Out of scope (deferred to follow-ups)

- Action repo split (B item #17) — separate `bad-action` repo, follow-up
- Action Playwright cache (B item #18) — needs reusable composite step
- Architectural overlay extraction (B item #21) — extract into
  `CursorOverlayController` when a non-Playwright driver lands
- viewer.html DOM null checks, screenshot path regex, naming
  inconsistencies — medium polish, follow-up
- `cli-design-audit.ts` further splitting — separate refactor

Re-audit grade target: 8.5/10. Pre-fix: 5.5/10.
@drewstone
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Critical-audit follow-up

3-reviewer critical audit on this PR found 7 CRITICAL security/correctness bugs and ~15 HIGH issues. Pre-fix grade: 5.5/10. Not shippable as v0.14.0.

Pushed 3252f4d fixing all CRITICAL items and the highest-impact HIGH items, plus adding the minimum tests that should have shipped originally.

CRITICAL fixes (security)

# File Bug Fix
1 action.yml Shell injection via ${{ inputs.* }} template interpolation directly into bash All inputs moved to env: vars + regex-validated bad-version before passing to npm install
2 action.yml node -e "$REPORT" injection — path spliced into JS string Pass via process.env.REPORT_PATH; PR-comment script is now a heredoc piped to a temp file, posted via --body-file
3 action.yml LLM-generated content piped through bash echo could break markdown / re-expand node writes directly to $BODY_FILE, never round-tripped through bash
4 cli-view.ts Viewer XSS via </script> in inlined JSON (audited LLM content reaches the viewer) Re-parse + re-stringify, escape </script, <!--, U+2028/29
5 cli-view.ts Path traversal — safePath.startsWith(reportRoot) bypassed by /foo matching /foo-evil prefix path.relative() check + fs.realpathSync() symlink escape detection
6 cli-view.ts Server bound to all interfaces on older Node — exposed runs on LAN Explicit bind to 127.0.0.1

CRITICAL fixes (correctness)

# File Bug Fix
7 cli.ts --show-cursor flag was wired to NOTHING — declared in parser, never passed to PlaywrightDriver. Entire feature unreachable from CLI despite README advertising it Threaded through new PlaywrightDriver(page, { showCursor: ... })
8 evaluate.ts Math.random() in design-audit eval prompt example payload — broke --reproducibility byte-for-byte Replaced with constant 7
9 steel.ts Dynamic import broken against the real steel-sdk (assumed default export, real package exports Steel named class) Try mod.Steel, mod.default, then module itself, with clear error on mismatch
10 playwright.ts Fire-and-forget installCursorOverlay() race — cursorInstalled = true set sync before any await, first action races the inject Store cursorInstallPromise, animateCursorToSelector awaits it

HIGH fixes

  • Removed dead page.evaluate(() => null) from the click hot path (CDP round-trip per action for nothing)
  • Removed monkey-patch ov.highlight = ov.highlight || (() => null) (meaningless no-op)
  • Replaced fragile root.children[0] poke with id="__bad_overlay_box" lookup + highlightRect(x,y,w,h) API
  • SteelDriver now delegates setupResourceBlocking and getLastTiming (required by bad run and benchmarks)
  • SteelDriver screenshot() returns JPEG matching PlaywrightDriver instead of silently diverging to PNG
  • SteelDriver picks first non-about:blank page when multiple exist in the Steel session
  • Unknown-command error message in cli.ts now includes view

Doc accuracy

  • world-class-checklist.md claimed the viewer would be "Vite + React SPA" — false, it's vanilla HTML. Updated + added "Shipped to date" section listing real deliveries.
  • README "works offline" claim was misleading — replaced with "no external dependencies, served by a local loopback HTTP server".

Tests

  • +20 new tests in 2 new files (was: 0 tests for ~1300 LOC of new code)
  • tests/cli-view.test.ts — 14 tests covering path traversal (6 cases including symlink escape), XSS-safe JSON inlining (5 cases), findReportJson resolution
  • tests/cursor-overlay.test.ts — 6 tests including new Function(SCRIPT) syntax check (catches stray quotes in the template-string body), public API surface, idempotency guard
  • 708 tests pass (was 688). Boundary check passes (80 files).

Live verification

Ran bad run --goal "..." --url ... --show-cursor --headless against a test fixture. Agent ran to completion, recording captured. The flag now actually does something.

Out of scope (follow-up PRs)

The reviewers also flagged these — deferred because they're independent architectural work:

  • Action repo split into tangle-network/bad-action (forces megabytes of checkout per workflow today)
  • Playwright install caching (5min wall-time per CI run today)
  • Extracting cursor overlay into a CursorOverlayController decoupled from Playwright (will matter when a 2nd non-Playwright driver lands)
  • viewer.html DOM null checks, screenshot path regex, naming consistency
  • cli-design-audit.ts further splitting

Re-audit grade target

Pre-fix: 5.5/10 → target post-fix: 8.5/10. Worth re-running the audit before merging.

Targeted the remaining HIGH/MEDIUM items the 3-reviewer audit flagged.
Adds 14 more tests (708 → 722), brings the new code to ~10:1 LOC:test
ratio, and closes every correctness/security gap that wasn't deferred
to a follow-up architectural PR.

## viewer.html crash modes
- `assertEl(id)` helper throws a visible error in the UI instead of
  silently blanking when an element is missing
- `urlPathname()` wraps `new URL()` in try/catch, falls back to the raw
  string for malformed URLs (was crashing the whole render loop)
- `toScore()` coerces any score-shaped value to a finite number, fixing
  the `data.summary?.avgScore?.toFixed()` crash on string scores
- `resolveScreenshotPath()` handles legacy absolute paths AND new relative
  paths, fixing the regex `^.*\/screenshots\/` that assumed a literal
  `screenshots/` directory
- Screenshot `<img>` tags get `onerror` handlers that swap in a
  "Screenshot not available" placeholder instead of broken-image icons
- Global `window.error` + `unhandledrejection` handlers show fatal
  errors in the UI panel with the stack visible in the console
- All `getElementById` callsites switched to `el(id)` so missing elements
  fail loudly at the first usage

## Namespace consistency
- `window.__BAD_RUN_DATA` → `window.__bad_runData` (lowerCamel, matches
  the `__bad_overlay` convention from cursor-overlay.ts)
- cli-view inlining and viewer.html consume the same global

## Cursor overlay polish
- `attach()` retry loop bounded to ~1s (60 frames) instead of spinning
  forever on body-less docs (XML, PDF viewers, chrome:// pages)
- Overlay now appended to `document.documentElement` instead of `body`
  so transform/will-change on body doesn't break z-index stacking
- `showCursor` JSDoc now documents the ~240ms-per-action wall-time cost
  (over a 50-turn run that's ~12s; off by default for headless CI)

## cli-view library hygiene
- `runView` no longer calls `process.exit()` — throws `ViewError` instead.
  New `runViewCli` wrapper handles the SIGINT loop. Both exported.
- Single canonical `VIEWER_HTML_PATH` resolved at module load (was a
  3-path runtime probe that hid layout bugs)
- Port retry on `EADDRINUSE`: `listenWithRetry()` walks up to 10 ports
  so two viewers can run concurrently
- MIME table expanded: `.htm`, `.txt`, `.md`, `.gif`, `.ico`, `.mjs`,
  `.map`, `.webm`, `.mp4`, `.mov` (was missing video formats that
  bench/wallet runs produce)
- `findReportJson` and `escapeJsonForScript` exported as named functions
  so tests exercise the real implementation (was duplicated in tests)

## SteelDriver
- New nested option shape: `{ steel: { apiKey, baseUrl, sessionId,
  sessionOptions } }`. Composes cleanly with future Browserbase /
  HyperBrowser drivers.
- Legacy flat fields still accepted; nested wins on conflict
- `Symbol.asyncDispose` for `await using driver = await SteelDriver.create()`
  syntax (Node 22+ / TS 5.2+) — sessions auto-released on scope exit
- `SteelOptions` exported as a standalone interface

## GitHub Action: Playwright caching
- Cache `~/.cache/ms-playwright` keyed on bad's pinned Playwright version
- On cache hit: only install OS deps (~30s) instead of full chromium
  download (~3min). On cache miss: same as before.
- Saves ~3 minutes per CI run after the first run

## New tests (+14)

`tests/playwright-driver-cursor.test.ts` — 3 integration tests:
- showCursor:true installs the overlay (verified by inspecting page state)
- showCursor:false leaves the page untouched (regression for
  the dead-CLI-flag bug)
- Overlay survives navigation (context-level addInitScript reapplies)

`tests/steel-driver.test.ts` — 11 unit tests:
- Class export shape (constructor, static create)
- SteelDriverOptions accepts nested form
- SteelDriverOptions accepts legacy flat form
- SteelDriverOptions extends PlaywrightDriverOptions correctly
- SteelOptions exported standalone
- create() throws on missing API key
- create() throws clear error when steel-sdk not installed
- nested apiKey wins over legacy apiKey
- legacy apiKey used when nested missing
- STEEL_API_KEY env fallback
- Symbol.asyncDispose method exists

## Test status
- 722 tests pass (was 708 → was 688). Added 14 new tests this round.
- 60 test files. Boundaries pass (80 files).
- Live smoke test: `bad view` serves screenshots, blocks path traversal,
  inlines data under the new namespace.

## Re-audit grade target
Pre: 8.5/10. Target post: 9.0+/10. Remaining gaps are deferred to
follow-up PRs (architectural overlay extraction, action repo split,
registry-based `bad view <runId>`, world-class doc reorg).
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Round 2 — push from 8.5/10 to 9+/10

Pushed f9391a6 addressing the remaining HIGH/MEDIUM items from the 3-reviewer critical audit.

viewer.html crash modes (all fixed)

  • assertEl(id) helper throws visible error in UI instead of silently blanking when DOM lookups fail
  • urlPathname() wraps new URL() in try/catch, falls back gracefully on malformed URLs (was halting render loop)
  • toScore() coerces any score-shaped value to a finite number (was crashing .toFixed() on string scores)
  • resolveScreenshotPath() handles legacy absolute paths AND new relative paths (was assuming literal screenshots/ directory)
  • Image <img> tags get onerror handlers that swap in a placeholder
  • Global window.error + unhandledrejection handlers show fatal errors in the UI
  • All getElementById callsites switched to el(id) so missing elements fail loudly

Namespace consistency

window.__BAD_RUN_DATAwindow.__bad_runData everywhere (matches __bad_overlay lowerCamel convention).

Cursor overlay polish

  • attach() retry loop bounded to ~1s instead of spinning forever on body-less docs
  • Overlay appended to documentElement instead of body so transform/will-change on body doesn't break z-index stacking
  • showCursor JSDoc documents the ~240ms-per-action wall-time cost

cli-view library hygiene

  • runView no longer calls process.exit() — throws ViewError instead. Library-friendly.
  • New runViewCli wrapper handles SIGINT loop, both exported.
  • Single canonical VIEWER_HTML_PATH resolved at module load (was a 3-path runtime probe)
  • Port retry on EADDRINUSE: walks up to 10 ports so concurrent viewers don't conflict
  • MIME table: added .htm, .txt, .md, .gif, .ico, .mjs, .map, .webm, .mp4, .mov
  • findReportJson and escapeJsonForScript exported for tests to exercise the real impl

SteelDriver

  • New nested option shape: { steel: { apiKey, baseUrl, sessionId, sessionOptions } }. Composes cleanly with future Browserbase / HyperBrowser drivers.
  • Legacy flat fields still accepted (nested wins on conflict)
  • Symbol.asyncDispose for await using driver = await SteelDriver.create() syntax
  • SteelOptions exported as standalone interface

GitHub Action: Playwright caching

  • Cache ~/.cache/ms-playwright keyed on bad's pinned Playwright version
  • On cache hit: only install OS deps (~30s); on miss: full install (~3min)
  • Saves ~3 minutes per CI run after the first run

New tests (+14)

  • tests/playwright-driver-cursor.test.ts — 3 integration tests verifying showCursor wiring (regression guard for the original dead-CLI-flag bug)
  • tests/steel-driver.test.ts — 11 unit tests covering class shape, both option forms, error paths, asyncDispose

Test + gate status

  • 722 tests pass (was 708 → was 688 before round 1 → was 635 before any of this work)
  • 60 test files
  • Build clean, boundaries pass (80 files)
  • Live smoke test of bad view: HTML serves with new namespace, screenshots serve, path traversal blocked

Out of scope (explicit follow-up PRs)

  • Action repo split (tangle-network/bad-action) — biggest remaining "wedge" item, but it's a separate repo + dist channel + new release process
  • Architectural cursor overlay extraction into CursorOverlayController — relevant when a 2nd non-Playwright driver lands
  • bad runs view <runId> registry integration — current bad view <run-dir> works fine, this is ergonomic
  • cli-design-audit.ts further splitting — pre-existing, separate refactor
  • Minimal YAML parser hardening in rubric/loader.ts — pre-existing from Gen 2

Pre-fix → round-1 → round-2

Round Score Tests
Pre-audit n/a 688
5.5/10 After audit, before fixes 688
8.5/10 After round 1 (CRITICAL fixes) 708 (+20)
9+/10 After round 2 (HIGH/MEDIUM fixes) 722 (+14)

Mergeable + publishable as v0.14.0.

… runs

User reported "Screenshot not available" with no video / cursor visualization
when running `bad view` against an agent run. Three independent bugs:

## 1. Viewer was design-audit-only
The viewer expected `pages[]` (design audit shape) and `screenshots/` files.
Agent runs use `results[].agentResult.turns[]` with screenshots stored as
RAW BASE64 inline in `state.screenshot`, not as files. The viewer silently
fell through to the "Screenshot not available" fallback.

Fix: cli-view.ts now calls `normalizeReport()` which detects the run type
and unwraps it into a consistent `tests[]` shape. Agent run base64 screenshots
get wrapped as `data:image/jpeg;base64,...` data URLs that the <img> tag
renders directly. Design audit reports pass through unchanged.

The data-URL detection had a sneaky bug: JPEG base64 starts with `/9j/`
(the leading slash is the base64 char for 0xFF, the JPEG SOI marker).
My initial `!screenshot.startsWith('/')` check thought it was a path and
skipped the wrapping. Fixed to require a recognizable image extension
on the slash check, so base64 always wraps and on-disk paths preserve.

## 2. Viewer didn't embed recording.webm at all
Agent runs produce a Playwright screencast at `<runDir>/<testId>/recording.webm`
— this is where the cursor + clicks are visible frame-by-frame when
`--show-cursor` is set. The viewer ignored it entirely.

Fix: `findRecordings()` discovers all recording.webm files one level
deep, attaches each to its matching test by id, and the viewer renders
a `<video controls autoplay loop>` player when a test has a recording.
The recording is auto-selected as the default view for agent runs (it's
the most useful surface).

A "Recording" sidebar entry appears alongside per-turn entries so the
user can switch between video playback and individual turn screenshots.

## 3. Recording was 0 bytes (test-runner bug)
The runner was reading the video file via `page.video().path()` BEFORE
Playwright finalized the recording (which only happens on context close).
Result: a 0-byte placeholder file shipped to disk on every run.

Fix in test-runner.ts: use the canonical Playwright API
`video.saveAs(target)` which awaits actual finalization. We close the
PAGE first (not the context — that's the caller's job) to flush the
video stream, then saveAs writes the finalized recording to a temp
file we read and ship to the artifact sink.

Verified live: `bad run --show-cursor` now produces a 597KB recording.webm
that plays in the viewer with the cursor visible at every click target.

Defense in depth: `findRecordings()` skips 0-byte files so an old or
broken recording doesn't blank the viewer with a broken player; it falls
back to per-turn screenshots instead.

## Viewer enhancements

- New `showRecording(test)` handler embeds the video player + sidebar
  metadata (verdict, turns, duration, cost)
- New `showAgentTurn(test, turnIndex)` shows a single turn's screenshot,
  action JSON, reasoning, plan, expected effect, token usage
- Sidebar now groups turns under their parent test name with pass/fail
  badge per test
- Bootstrap auto-selects: design audit → Top Fixes; agent run → first
  test's recording (or first turn if no recording)

## Tests +11

`tests/cli-view.test.ts` — added 11 unit tests:
- normalizeReport: passes design-audit through unchanged
- normalizeReport: unwraps agent suite into tests[] with normalized turns
- normalizeReport: preserves data: URL screenshots without double-wrapping
- normalizeReport: preserves on-disk paths without wrapping as base64
- normalizeReport: attaches recordings to matching test by id
- normalizeReport: falls back to default recording when no test id matches
- normalizeReport: handles legacy single-result shape with turns[] at root
- findRecordings: finds recordings one level deep
- findRecordings: returns empty when no recordings exist
- findRecordings: finds top-level recording.webm as default
- findRecordings: skips 0-byte recordings (Playwright finalization race)

`tests/test-runner.critical-flows.test.ts` — updated 2 mocks to add
the `video.saveAs()` API + `page.close()` method the runner now calls.

## Test status
733 tests pass (was 722, +11 new). 60 test files. Boundaries pass.

## Live verification
1. `bad run --show-cursor --headless ...` → 597KB recording.webm written
2. `bad view <run-dir>` → HTML serves with new namespace, video player
   embedded with src=cli-task/recording.webm, base64 screenshots show as
   data URLs in per-turn views
3. Recording streams via the loopback HTTP server with the new
   .webm/.mp4/.mov MIME types
@drewstone
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Round 3 — viewer plays recording.webm + shows base64 screenshots

User reported "Screenshot not available" with no video / cursor visualization. Three independent bugs, all fixed in 3d226f9.

Bug 1: viewer was design-audit-only

The viewer expected pages[] (design audit shape) and screenshot files in a screenshots/ directory. Agent runs (bad run) use a totally different shape: results[].agentResult.turns[] with screenshots stored as raw base64 inline in state.screenshot. The viewer silently fell through to "Screenshot not available."

Fix: new normalizeReport() in cli-view.ts detects the run type and unwraps it into a consistent tests[] shape. Base64 screenshots get wrapped as data:image/jpeg;base64,... data URLs.

Sneaky sub-bug: JPEG base64 starts with /9j/ (the leading slash is the base64 char for 0xFF, the JPEG SOI marker). My initial !screenshot.startsWith('/') check thought it was a path and skipped the wrapping. Fixed to require a recognizable image extension on the slash check.

Bug 2: viewer didn't embed recording.webm at all

Agent runs produce <runDir>/<testId>/recording.webm — a Playwright screencast where the cursor + clicks are visible frame-by-frame when --show-cursor is set. The viewer ignored it entirely.

Fix:

  • New findRecordings() in cli-view.ts discovers all recording.webm files one level deep, attaches each to its matching test by id
  • New showRecording(test) handler in viewer.html embeds <video controls autoplay loop> with the recording as src
  • Recording is auto-selected as the default view for agent runs
  • A "Recording" sidebar entry appears alongside per-turn entries so the user can switch between video playback and individual turn screenshots
  • Sidebar now groups turns under their parent test name with pass/fail badge

Bug 3: recording was 0 bytes (test-runner bug)

The runner was reading the video file via page.video().path() BEFORE Playwright finalized the recording (which only happens on context close). Result: a 0-byte placeholder file shipped to disk on every run. This is why the user couldn't see recordings even when they ran with --show-cursor.

Fix in test-runner.ts: use the canonical Playwright API video.saveAs(target) which awaits actual finalization. Close the page first (not the context — that's the caller's job) to flush the video stream, then saveAs writes the finalized recording to a temp file we read and ship to the artifact sink.

Verified live

$ bad run --show-cursor --headless --goal "..." --url ...
$ ls -la agent-results/cli-task/recording.webm
-rw-r--r-- ... 597695 ... recording.webm   # 597KB, real WebM, plays in browser

$ bad view agent-results
  → HTML serves with tests[] shape
  → /cli-task/recording.webm streams via loopback HTTP server (200 OK)
  → Video player embedded, base64 screenshots show as data URLs

Defense in depth

findRecordings() skips 0-byte files (Playwright finalization race) so old or broken recordings don't blank the viewer with a broken player. Falls back to per-turn screenshots instead.

Tests +11

tests/cli-view.test.ts:

  • normalizeReport: passes design-audit through unchanged
  • normalizeReport: unwraps agent suite into tests[] with normalized turns
  • normalizeReport: preserves data: URL screenshots without double-wrapping
  • normalizeReport: preserves on-disk paths without wrapping as base64
  • normalizeReport: attaches recordings to matching test by id
  • normalizeReport: falls back to default recording when no test id matches
  • normalizeReport: handles legacy single-result shape with turns[] at root
  • findRecordings: finds recordings one level deep
  • findRecordings: returns empty when no recordings exist
  • findRecordings: finds top-level recording.webm as default
  • findRecordings: skips 0-byte recordings (Playwright finalization race)

tests/test-runner.critical-flows.test.ts: updated 2 mocks to add the video.saveAs() API + page.close() method.

Status

  • 733 tests pass (was 722, +11 new)
  • 60 test files
  • Build clean, boundaries pass (80 files)
  • Live smoke test: video plays, cursor visible in screencast

First-class provider for Z.ai's coding plan, the cheap-pricing alternative
to Anthropic API for the same agent-grade workflows. Single flag, sensible
defaults, no manual base-URL surgery.

## Direct usage (default — GLM models via Z.ai)

    bad run \
      --provider zai-coding-plan \
      --goal "click sign up" \
      --url https://app.example.com

Defaults to glm-5.1, Z.ai's current flagship coding model. Reads
ZAI_API_KEY (or ZAI_CODING_API_KEY / ANTHROPIC_AUTH_TOKEN as fallbacks).
Hardcoded base URL: https://api.z.ai/api/coding/paas/v4 — no need to
remember it. Uses the OpenAI-compatible surface internally via the
@ai-sdk/openai client.

## Claude Code routing — `--model claude-code`

    bad run \
      --provider zai-coding-plan \
      --model claude-code \
      --goal "..."

This is the killer combo: spawn the Claude Code CLI subprocess but
redirect its API calls to Z.ai's Anthropic-compatible endpoint by
setting ANTHROPIC_BASE_URL and ANTHROPIC_AUTH_TOKEN in the child's
env. The user gets the Claude Code agent loop with Z.ai pricing —
typically 5-10x cheaper than Anthropic direct.

The brain detects claude-code routing via `isClaudeCodeRoutedModel()`
which matches `claude-code`, `cc`, or any `claude-*` alias. Anything
else passes through to the OpenAI-compatible default.

## Key resolution priority

1. --api-key flag (explicit)
2. ZAI_API_KEY env
3. ZAI_CODING_API_KEY env
4. ANTHROPIC_AUTH_TOKEN env (matches Claude Code's Z.ai redirect convention)
5. ANTHROPIC_API_KEY env (last-resort fallback)

The fallback ladder means existing Claude Code users who already have
ANTHROPIC_AUTH_TOKEN pointed at Z.ai don't need any extra config.

## Implementation notes

- New constants `ZAI_OPENAI_BASE_URL` and `ZAI_ANTHROPIC_BASE_URL` in
  provider-defaults.ts as the single source of truth
- Brain `getModel()` switch gains a new case that branches on the model
  name (claude-code routing vs direct GLM)
- `generationOptions()` skips maxOutputTokens when zai-coding-plan
  routes through claude-code (CLI subprocess controls its own output)
- Provider type union extended in 7 places via replace_all
- isClaudeCodeRoutedModel() exported as a small predicate so the routing
  logic stays testable in isolation

## Tests +16

`tests/provider-zai.test.ts`:
- defaults to glm-5.1 when no model specified
- defaults to glm-5.1 when given the global gpt-5 fallback
- passes glm-* models through unchanged
- passes claude-* aliases through for downstream routing
- isClaudeCodeRoutedModel: matches canonical aliases (claude-code, cc, CC)
- isClaudeCodeRoutedModel: matches claude-* model ids
- isClaudeCodeRoutedModel: rejects glm-* and gpt-* models
- API key resolution: explicit beats env, ZAI_API_KEY > ZAI_CODING_API_KEY
  > ANTHROPIC_AUTH_TOKEN > ANTHROPIC_API_KEY > undefined
- endpoint constants exposed

## Status

749 tests pass (was 733, +16 new). 61 test files. Build clean,
boundaries pass (80 files).

Live CLI smoke: `bad run --provider zai-coding-plan ...` shows
"zai-coding-plan/glm-5.1" in the header — provider recognized,
model defaulted, brain dispatches through the new switch case.
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