Focused follow-up work for @knighted/develop.
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In-browser component testing
- Explore authoring and running component-focused tests in-browser (for example, a Vitest-compatible flow) using CDN-delivered tooling.
- Define a lightweight test UX that supports writing tests, running them on demand, and displaying results in-app.
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CDN failure recovery UX
- Detect transient CDN/module loading failures and surface a clear recovery action in-app.
- Add a user-triggered retry path (for example, Reload page / Force reload) when runtime bootstrap imports fail.
- Consider an optional automatic one-time retry before showing recovery controls, while avoiding infinite reload loops.
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Deterministic E2E lane in CI
- Add an integration-style E2E path that uses locally served/pinned copies of CDN runtime dependencies for test execution, while keeping production runtime behavior unchanged.
- Keep the current true CDN-backed E2E path as a separate smoke check, but make the deterministic lane the required gate for pull requests.
- Run this deterministic E2E suite on every pull request in CI.
- Ensure the deterministic lane still exercises the same user-facing flows (render, typecheck, lint, diagnostics drawer/button states), only swapping the source of runtime artifacts.
- Suggested implementation prompt:
- "Add a deterministic E2E execution mode for
@knighted/developthat serves pinned runtime artifacts locally (instead of live CDN fetches) and wire it into CI as a required check on every PR. Keep a separate lightweight CDN-smoke E2E check for real-network coverage. Validate withnpm run lint, deterministic Playwright PR checks, and one CDN-smoke Playwright run."
- "Add a deterministic E2E execution mode for
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Issue #18 continuation (finish remaining Phase 3 scope)
- Current rollout status:
- Phase 0 complete: feature flag + scaffolding.
- Phase 1 complete: BYOT token flow, localStorage persistence, writable repo discovery/filtering.
- Phase 2 complete: separate AI chat drawer UX, streaming-first responses with non-stream fallback, selected repository context plumbing, and README fine-grained PAT setup links.
- Phase 3 partially complete: PR-prep filename/path groundwork landed via the Open PR drawer with repository-scoped persistence and stricter path validation.
- Phase 4 complete: open PR flow from editor content (branch creation, file upserts, PR creation), confirmation UX, loading/success states, and toast feedback.
- Post-implementation hardening complete: traversal/path validation edge cases, trailing-slash rejection, writable-repo select reset behavior during loading/error states, and a JS-driven Playwright readiness check.
- Implement the next slice (remaining Phase 3 assistant features):
- Add mode-aware recommendation behavior so the assistant strongly adapts suggestions to current render mode and style mode.
- Add an editor update workflow where the assistant can propose structured edits and the user can apply to Component and Styles editors with explicit confirmation.
- Keep behavior and constraints aligned with current implementation:
- Keep everything behind the existing browser-only AI feature flag.
- Preserve BYOT token semantics (localStorage persistence until user deletes).
- Keep CDN-first runtime behavior and existing fallback model.
- Do not add dependencies without explicit approval.
- Remaining Phase 3 mini-spec (agent implementation prompt):
- "Continue Issue #18 in @knighted/develop from the current baseline where PR filename/path groundwork and Open PR flow are already shipped. Implement the two remaining Phase 3 assistant deliverables. (1) Add mode-aware assistant guidance: when collecting AI context, include explicit policy hints derived from render mode and style mode, and ensure recommendations avoid incompatible patterns (for example, avoid React hook/state guidance in DOM mode unless user explicitly asks for React migration). (2) Add assistant-to-editor apply flow: support structured assistant responses that can propose edits for component and/or styles editors; render these as reviewable actions in the chat drawer, require explicit user confirmation to apply, and support a one-step undo for last applied assistant edit per editor. Keep all AI/BYOT behavior behind the existing browser-only AI feature flag and preserve current token/repo persistence semantics. Do not add dependencies. Validate with npm run lint and targeted Playwright tests covering mode-aware recommendation constraints and apply/undo editor actions."
- Current rollout status:
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Phase 2 UX/UI continuation: fixed editor tabs first pass (Component, Styles, App)
- Continue the tabs/editor UX work with a constrained first implementation that supports exactly three editor tabs: Component, Styles, and App.
- Do not introduce arbitrary/custom tab names in this pass; treat custom naming as future scope after baseline tab behavior is stable.
- Preserve existing runtime behavior and editor content semantics while adding tab switching, active tab indication, and predictable persistence/reset behavior consistent with current app patterns.
- Ensure assistant/editor integration remains compatible with this model (edits should target one of the fixed tabs) without expanding to dynamic tab metadata yet.
- Suggested implementation prompt:
- "Implement Phase 2 UX/UI tab support in @knighted/develop with a fixed first-pass tab model: Component, Styles, and App only (no arbitrary tab names yet). Add a clear tab UI for switching editor panes, preserve existing editor behavior/content wiring, and keep render/lint/typecheck/diagnostics flows working with the selected tab context where relevant. Keep AI/BYOT feature-flag behavior unchanged, maintain CDN-first runtime constraints, and do not add dependencies. Add targeted Playwright coverage for tab switching, default/active tab behavior, and interactions with existing render/style-mode flows. Validate with npm run lint and targeted Playwright tests."
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Document implicit App strict-flow behavior (auto render)
- Add a short behavior matrix in docs that explains when implicit App wrapping is allowed versus when users must define
Appexplicitly. - Include concrete Component editor examples for each case so reviewer/user expectations are clear.
- Suggested example cases to document:
- Allowed implicit wrap (standalone top-level JSX, no imports/declarations), for example:
(<button type="button">Standalone</button>) as any
- Requires explicit
App(top-level JSX with declarations/imports), for example:const label = 'Hello'const Button = () => <button>{label}</button>(<Button />) as any
- Recommended explicit pattern, for example:
const Button = () => <button>Hello</button>const App = () => <Button />
- Allowed implicit wrap (standalone top-level JSX, no imports/declarations), for example:
- Suggested implementation prompt:
- "Document the current implicit App behavior in @knighted/develop for auto-render mode using a compact behavior matrix and concrete component-editor snippets. Clearly distinguish supported implicit wrapping from cases that intentionally require an explicit App (such as top-level JSX mixed with imports/declarations). Keep docs concise, aligned with current runtime behavior, and include at least one positive and one explicit-error example."
- Add a short behavior matrix in docs that explains when implicit App wrapping is allowed versus when users must define