[chaxus]

History & data commands looked like plain text until hover. They now have visible secondary button surfaces, a separate destructive group, and a visually distinct explicit-deletion confirmation.

Merge Verdict

[APPROVE]

Independent review approved the final follow-up after an outline-delete contrast finding was fixed. The change is limited to history-control grouping and appearance, with rendered regressions for the winning cascade and native interaction paths.

Summary

• Add visible resting borders and token-based hover, pressed, focus and disabled states to history commands.
• Separate destructive actions; preserve danger outlines on hover and use an accessible solid fill for explicit confirmation.
• Cover themes, narrow layouts, keyboard activation/cancellation, actual export download and touch targets with real editor tests.

Risk Analysis

Risk	Level	Mitigation
Later CSS rules overriding command states	Low	Scoped state ownership and computed-style regressions in all three browser engines
Group wrappers breaking disabled or focus behavior	Low	Existing descendant queries retained; pending-deletion unit assertions and real history/workspace browser coverage

Design Decisions

• Follow ran DESIGN/INTERACTION at 66a00775 using existing foundation/application tokens and the installed ranui builder.
• Keep native buttons and existing confirmation, persistence, accessible names and focus-return ownership. The wrappers only group related commands.
• Preserve multiple commits as requested: implementation, regression tests, verification documentation and the review-driven contrast fix.

Code Concerns

No unresolved findings in the scoped code review. Pre-PR review reproduced light-theme outline-delete hover/pressed contrast below AA; the fix now independently measures 5.04:1 / 5.43:1 in light and 5.62:1 / 5.29:1 in dark for both deletion controls.

Verification

• Full local unit suite: 252 files / 6799 tests passed. The suite printed two non-fatal PromiseRejectionHandledWarning messages.
• Initial local verification: 17 distinct browser cases passed without retries: 11 Chromium history/workspace cases plus six WebKit/Firefox history-action cases. The three Chromium history-action cases were also rechecked after refining the cross-browser keyboard assertions.
• Actual rendering covers English/Portuguese, 1280/360/320px, both themes, AA text contrast, resting/hover/pressed/disabled/focus states, Enter/Escape, JSON download, focus restoration and 44px coarse-pointer targets.
• RED/GREEN evidence: resting border width was zero; a neutral hover selector also overrode the danger border before its specificity was corrected.
• Lint/TypeScript, production Vite builds, formatting, 1511 immutable evaluation artifacts and diff checks passed. Fresh post-review verification passed 32 focused unit tests, all 3 Chromium history-action cases without retries, and changed-file formatting.
• Credential, clean-worktree and current-main preflight checks passed. The helper's single-commit requirement is intentionally overridden by the explicit request to preserve multiple commits.

Final-head remote acceptance

All workflows below passed on 12002592d95423f288cf2aa7ebf0c9e62ee7049b; all four commits are pushed.

Workflow	Verified result
Main CI	Success, 252 unit files / 6799 tests; coverage 87.79% statements / 83.94% branches / 88.77% functions / 90.25% lines, all thresholds met. Default preview 346, Docker 350, Pages 346 and timing budgets 2 passed, with zero flaky/retry cases
Real deployed-preview smoke	Success, 41 passed without retries. Exact final-head deployment gate passed at the preview; independent HTTP verification confirmed its identity and Cache-Control: no-store
Complete nightly browsers/budgets	Success, all six ordinary shards, both serial jobs and aggregate passed: 664 passed / 3 flaky (configured first retry passed) / 61 skipped. The three added cases passed once per engine (six executions total) without retries; serial 2 passes per engine, UI crawl 3 passed, throttled-network budget 1 passed
Semantic PR validation	Success; the check triggered by the final PR-body update is verified before handoff

All eight distinct browser reports were uploaded. The weekly external-document corpus was explicitly excluded from this focused UI/browser validation. No main/preview/nightly job or workflow was rerun on this head, and no timeout, worker, retry, skip or assertion policy was relaxed.

Existing retry observations

These workflow results are not zero-retry nightly results. Three unchanged tests passed their configured first retry; their original observations are retained in the linked nightly logs and artifacts:

• WebKit agent-composer-ux.spec.ts:153: historical reading position changed after editing the next draft (scrollTop 1293 instead of 0).
• Firefox agent-sources-artifacts.spec.ts:136: the reference-preview summary detached during a click after search, exhausting the existing test timeout.
• Firefox save-to-file.spec.ts:289: initial text insertion was not observed within the existing five-second assertion, before the held-conversion fault was installed.

No added history-action regression required a retry.

Conclusion basis: verified through the commands and rendered interactions above, plus caller/selector tracing. Main CI, real deployed-preview smoke and the complete nightly browser/budget workflow passed on the pushed head; remaining pre-existing nightly flakiness is disclosed above, and the unrelated weekly corpus matrix is outside this UI change.

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