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Author SHA1 Message Date
Bryan Helmkamp
62f0b3e7d1
refactor(web): improve React Doctor score (#405)
## Summary

Improves the web UI's React Doctor audit score by separating reusable
helpers from React component modules, tightening effect/state ownership,
and extracting real component boundaries in the install wizard, stage
activity view, run-files diff browser, RunDetail route, and Runs
workspace. The branch removes the previously deferred RunDetail and Runs
giant-component diagnostics without changing RunDetail UX, route
contracts, action ordering, or Runs workspace behavior.

| Metric | Main baseline | Initial PR | Current PR |
|--------|---------------|------------|------------|
| React Doctor score | 63 | 71 | 99 |
| React Doctor errors | 123 | 0 | 0 |
| React Doctor warnings | 241 | 163 | 3 |
| React Doctor diagnostics | 364 | 163 | 3 |

## Changes

- Moves exported helper logic out of component files so Fast
Refresh/component-export rules no longer dominate the audit.
- Adds a targeted React Doctor config exception for React Router route
modules, where non-component exports like route metadata are
intentional.
- Refactors low-risk state/effect patterns: keyed interview question
state, reducer-backed editable run title state, event-owned preview
opening, route-keyed insights editor initialization, refresh timer
ownership, and selection/derived list cleanup.
- Reworks `InstallApp` around an install reducer, a controller hook for
install lifecycle state, and focused wizard step components for LLM,
server, object-store, sandbox, and GitHub setup.
- Moves `RunStages` selected-stage activity into a keyed boundary for
panel/debug detail state while preserving stage activity filters across
navigation.
- Extracts the `RunFiles` loaded diff-browser view from route/query
coordination so the route owns data/URL state and the loaded view owns
rendering.
- Splits `RunDetail` into route-local header, actions, tab shell, docked
controls, model, and lifecycle-toast modules; the actions menu now uses
grouped descriptors instead of a large boolean/callback prop matrix.
- Extracts Runs workspace preference ownership into
`useRunsWorkspacePreferences` and moves toolbar rendering into
`RunsToolbar`, leaving the route focused on data, DnD state, filtering,
and view selection.
- Guards `InsightsEditor` query execution with a latest-run id and
timeout cleanup so stale or unmounted mock query runs cannot overwrite
newer results.
- Adds regression coverage for archived-run deletion from RunDetail and
stale-result handling in InsightsEditor.
- Improves semantic/accessibility coverage with labeled controls, native
meter/section semantics, decorative status dots, and clearer unavailable
copy.
- Removes dead UI code and applies local suppressions only where the
rule is a documented false positive or an intentional imperative
integration boundary.

## Remaining React Doctor warnings

Current score is 99 with 0 errors and 3 warnings. The remaining warnings
are intentionally left for separate judgment rather than mechanical
churn:

- `prefer-useReducer` (3): `AutomationsNew`, `InsightsEditor`, and
`CreateSecretForm` need reducers only if they encode real coupled
transitions, not simple field setters.

## Verification

- `cd apps/fabro-web && bun test app/routes/run-detail.test.ts` -> `22
pass`, `0 fail`
- `cd apps/fabro-web && bun test app/routes/insights-editor.test.tsx
app/routes/runs.preferences.test.tsx` -> `7 pass`, `0 fail`
- `cd apps/fabro-web && bun run typecheck`
- `cd apps/fabro-web && bun test --isolate` -> `490 pass`, `0 fail`
- `cd apps/fabro-web && bunx react-doctor@latest --full --json >
/tmp/fabro-react-doctor-runs-insights.json` -> score `99`, `0` errors,
`3` warnings
- Earlier branch verification also included `cd apps/fabro-web && bun
run build`
- `git diff --check`

---

[![Compound
Engineering](https://img.shields.io/badge/Compound_Engineering-6366f1)](https://github.com/EveryInc/compound-engineering-plugin)
🤖 Generated with GPT-5 (context not reported, default reasoning) via
[Codex](https://openai.com/codex)
2026-05-25 22:41:37 -04:00
Bryan Helmkamp
7ac15b28f0
feat(fabro-web): port /chats/new + /chats/:id from prototype (#289)
## Summary

Ports the validated `/chats/new` and `/chats/:id` chat surface from
`docs/superpowers/prototypes/2026-05-16-chats-new/` into
`apps/fabro-web`. Client-side scripted prototype mounted inside the
existing `AppShell`; replaces `/start` as the planned new "kick off
agent work" entry point (but does not delete `/start` in this phase).

- New routes: `/chats/new` (empty-state composer) and `/chats/:chatId`
(active conversation with assistant-ui's `<Thread>`, scripted streaming
replies, markdown + tool-call rendering).
- Drives `@assistant-ui/react` + `@assistant-ui/react-ui` via
`useLocalRuntime` and a custom `ChatModelAdapter` that cycles a 6-entry
scripted reply bank.
- Tailwind v4 cascade fix: assistant-ui CSS is now imported via `@layer
assistant-ui` so v4 utilities cascade above the package's unlayered
scoped preflight. Includes a discovered Bun-specific tweak — see Notable
Deviations below.
- StrictMode-safe first-message handoff: store seeds the user message
into `seedMessages` with a `pendingResponse: true` flag, and
`chats-detail` triggers a single `runtime.thread.startRun({ parentId:
null })` then consumes the flag. Avoids the prototype's
autorespond-lost-stream race under React 19 StrictMode.

The Ask-Fabro right sidebar (also in the prototype) is **out of scope**
for this PR.

Companion spec:
[`docs/superpowers/specs/2026-05-16-chats-new-prototype-design.md`](../tree/chats-new-port/docs/superpowers/specs/2026-05-16-chats-new-prototype-design.md)
Implementation plan:
[`docs/superpowers/plans/2026-05-16-chats-new-fabro-web-port.md`](../tree/chats-new-port/docs/superpowers/plans/2026-05-16-chats-new-fabro-web-port.md)

## Screenshots

Captured from a local debug `fabro server` running this branch's binary,
signed in via GitHub.

### `/chats/new` (empty state)

![chats-new empty
state](https://github.com/fabro-sh/fabro/raw/chats-new-port/docs/superpowers/prototypes/2026-05-16-chats-new/screenshots/chats-new-v4.png)

### `/chats/:chatId` (active conversation)

![chats-detail active
chat](https://github.com/fabro-sh/fabro/raw/chats-new-port/docs/superpowers/prototypes/2026-05-16-chats-new/screenshots/chats-detail-v4.png)

## Files

**New** (under `apps/fabro-web/`):
- `app/lib/chats-types.ts` — `Chat` wrapper + `ChatContentPart`
discriminated union over the API client's `CompletionContentPart`
- `app/lib/chats-script.ts` — 6-entry scripted reply bank
(`CompletionMessage[]`)
- `app/lib/chats-store.tsx` — Context + `useReducer` for chat metadata,
`pendingResponse` flag, scriptIndex
- `app/lib/chats-runtime.ts` — `createScriptedAdapter` +
`toThreadMessages` boundary converter
- `app/lib/test-utils.tsx` — minimal `renderHook` shim (lifts the
duplicated `IS_REACT_ACT_ENVIRONMENT` + dep-warning silencing pattern
out of `install-app.test.tsx`)
-
`app/components/chats/{tool-fallback,composer-chips,custom-composer}.tsx`
- `app/routes/{chats-layout,chats-new,chats-detail}.tsx`
- Tests: `chats-store.test.tsx` (5), `chats-runtime.test.ts` (4),
`chats-router.test.tsx` (3)

**Modified:**
- `package.json` — adds `@assistant-ui/{react,react-ui,react-markdown}`
(pinned exactly to versions verified in the prototype)
- `app/app.css` — `@layer` declaration + assistant-ui CSS imports into
`layer(assistant-ui)` + `.fabro-chat` `--aui-*` variable overrides
mapping to the Fabro palette
- `app/root.tsx` — removed `import "./app.css"` (see Notable Deviations)
- `app/router.tsx` — wires the chats routes under the AppShell tree

## Notable deviations from the plan

Two intentional deviations, both explained in their commit bodies:

1. **`apps/fabro-web/app/root.tsx` no longer imports `./app.css`.**
Bun's CSS bundler (used by `Bun.build` on `entry.tsx`) rejects
spec-valid `@layer name, name;` ordering between `@import` rules, even
though Tailwind's CLI accepts it. The CSS is built standalone by the
Tailwind CLI step in `scripts/build.ts` and linked from
`index.template.html`, so dropping the JS-side import bypasses Bun's
parser without any runtime change. A safety-net comment at the top of
`app.css` warns future engineers against re-adding the import. Commit:
`c37690be9`.
2. **`!` non-null assertions removed** in two places where the verbatim
prototype copy violated the global CLAUDE.md rule banning `!` in
production code: `chats-script.ts` now uses a typed `FALLBACK_REPLY` and
`??` coalescing; `composer-chips.tsx` lifts the first option of each
chip into a `DEFAULT_*` constant. `chats-runtime.test.ts`'s `for await`
drain loops were also replaced with `Array.fromAsync(...)` per the
no-loops-in-tests rule. Commits: `ace6ac6d4`, `652ad97af`.

## Test plan

- [x] `cd apps/fabro-web && bun run typecheck` — clean
- [x] `bun test` — 383 pass / 0 fail (12 new tests for chats)
- [x] `cd apps/fabro-web && bun run build` — succeeds; assistant-ui CSS
bundled into `dist/assets/app.css`
- [x] **Manual browser smoke test** — debug `fabro` binary running this
branch served `/chats/new` and `/chats/seed_email` correctly inside the
real AppShell with GitHub-OAuth auth (screenshots above).

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-16 17:10:16 -04:00