Fix Peekaboo MacInCloud capture proof

[Farhan (fkb032)]

Summary

This follow-up fixes the MacInCloud Peekaboo report failure seen after PR #101 merged, where the app DOM mounted but screenshots showed black/blank central content.

What changed:

• Adds E2E-only native capture CSS that disables backdrop-filter/-webkit-backdrop-filter under html[data-nixmac-e2e-capture="solid"].
• Adds computed-style breadcrumbs at initial RAF and nixmac:app-mounted + 2 RAFs so future MacInCloud capture failures show whether the CSS, root, body, and app shell actually painted.
• Adds native/WebKit snapshot diagnostics and keeps them strictly diagnostic unless real visual-signal checks pass.
• Keeps pre-load and page-load native WebView snapshot probes behind explicit debug-only opt-in gates (NIXMAC_E2E_PRELOAD_NATIVE_CAPTURE, NIXMAC_E2E_PAGE_LOAD_NATIVE_CAPTURE) so the default Scott-driver path relies on shell readiness plus on-demand capture.
• Keeps screenshot assertions strict; this does not weaken report pass/fail criteria.
• Hardens the trusted report secret scanner to use bounded samples and streaming chunk reads, including chunk-boundary handling for redacted values.
• Updates the Peekaboo workflow contract self-test for the capture, scanner, report, and opt-in native snapshot contracts.

Small develop-base cleanup included because the rebased PR merge ref failed local/CI gates before this PR could be honestly verified:

• Fixes two Clippy/rustfmt issues in search_packages.rs.
• Fixes directory-picker.test.tsx mock typing/duplicate setup from the earlier branch history, plus the current merge-ref duplicate SetDirResult import. PR fix(test): dir picker test reconsile dopple fix merge #115 also touches this test file, but the line ranges are disjoint; this PR keeps the change minimal so Fix Peekaboo MacInCloud capture proof #105 can stay independently green.
• Removes unused Plus / DropdownMenu* imports in prompt-input.tsx that are only referenced inside JSX comments.
• Replaces the removed effect/Schema.BooleanFromString parser in env.ts with explicit env parsing for VITE_SERVER_URL and optional boolean NIX_INSTALLED_OVERRIDE. The boolean parser accepts common truthy/falsy strings (true/false, 1/0, yes/no, on/off); the only consumer checks strictly for true.

How to test

Run locally:

node tools/computer-use-e2e/peekaboo-workflow-contract-self-test.mjs
node tools/computer-use-e2e/run-local.mjs self-test
bash tests/e2e/lib/peekaboo.test.sh
(cd apps/native/src-tauri && cargo fmt --check && cargo check && cargo clippy --all-targets --all-features -- -D warnings)
cargo clippy --manifest-path apps/native/src-tauri/Cargo.toml -- -D warnings
(cd apps/native && bunx tsc --noEmit)
bun -F native build
bun -F native test:unit src/components/widget/controls/directory-picker.test.tsx

Expected CI validation:

• The Peekaboo E2E GitHub Action should build/run on MacInCloud.
• The PR comment should link to the hosted HTML report.
• The report should have nonblank app screenshots, video/storyboard evidence, scenario annotations, trusted secret scan pass, and Computer Use parity coverage metadata.

Verification performed

Latest local verification on rebased commit eea0eb61:

• $claude-review proposal review completed; blocking PR fix(test): dir picker test reconsile dopple fix merge #115 overlap feedback was incorporated.
• node tools/computer-use-e2e/peekaboo-workflow-contract-self-test.mjs passed.
• bash tests/e2e/lib/peekaboo.test.sh passed.
• node tools/computer-use-e2e/run-local.mjs self-test passed.
• cargo clippy --manifest-path apps/native/src-tauri/Cargo.toml -- -D warnings passed.
• bun install --frozen-lockfile passed.
• (cd apps/native && bunx tsc --noEmit) passed.
• bun -F native test:unit src/components/widget/controls/directory-picker.test.tsx passed, with existing React act(...) warnings.
• bun -F native build passed.
• git diff --check passed.
• $claude-review implementation review completed with zero blocking issues and approved commit/push/rerun.

Known local tooling note:

• bun -F native lint currently fails before source analysis because .oxlintrc.json references eslint plugin rule groups not recognized by the installed oxlint. This patch does not touch oxlint config.

Docs

• Docs updated
• No docs update needed

This is an E2E capture/reporting stabilization change. It does not change user-facing nixmac behavior or public docs semantics.

[github-actions]

	Warnings
⚠️	❗ Big PR (2279 lines changed). Consider splitting it into smaller, focused changes.

	Messages
📖	🤖 This PR touches CI / infra — reviewers please pay extra attention: .github/workflows/peekaboo-e2e.yml
📖	No docs update needed — acknowledged.

📋 PR Overview

Lines changed	2279 (+2192 / -87)
Files	0 added, 28 modified, 0 deleted
Draft / WIP	no
Has Test Plan	yes
New UI components	no
New Storybook stories	no
New Rust modules	no
New TS source files	no
New tests	no
package.json touched	no
Cargo.toml touched	yes
Infra / CI touched	yes

🔬 Coverage

Report	Lines	Statements	Functions	Branches
apps/native/coverage/coverage-summary.json	17.4%	17.4%	27.9%	53.3%

Generated by 🚫 dangerJS against eea0eb6

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: ff87afbed2

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "Codex (@codex) review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "Codex (@codex) address that feedback".

[github-actions]

nixmac Peekaboo E2E: ❌ FAIL

• Result: 4 pass / 7 fail / 0 inconclusive / 56 not required
• CU parity coverage: 1/24
• Evidence: 16 screenshots / 8 timestamped video frames
• Report fetch: complete
• Secret scan: true
• Next action: Open the report and inspect failures before approval.
• Hosted HTML report: https://htmlpreview.github.io/?https://github.com/darkmatter/nixmac/blob/gh-pages/peekaboo-e2e/pr-105/run-25547855538-1/index.html
• Latest report for this PR: https://htmlpreview.github.io/?https://github.com/darkmatter/nixmac/blob/gh-pages/peekaboo-e2e/pr-105/latest/index.html

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 98d8ea5649

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "Codex (@codex) review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "Codex (@codex) address that feedback".

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 3f4af8eefd

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "Codex (@codex) review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "Codex (@codex) address that feedback".