docs: show browser test stats in the readme#24
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This reverts test stats from the README.md The stats now leave in a designated status page.
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…oto Tracer microsoft#1155 / Unit G-ops) (#6) Adds four operational MCP CLI flags + matching env vars: --filter-internal-urls PLAYWRIGHT_MCP_FILTER_INTERNAL_URLS --disable-downloads PLAYWRIGHT_MCP_DISABLE_DOWNLOADS --timeout-download <ms> PLAYWRIGHT_MCP_TIMEOUT_DOWNLOAD --allowed-tools <list> PLAYWRIGHT_MCP_ALLOWED_TOOLS Internal-URL filter: `file://`, `data:`, `chrome-extension://`, and the exact hostname `localhost` (not prefix — `localhost.example.com` is a real domain and stays visible). Reuses Unit I's `WeakSet<Page>` persistent-hide pattern so navigating an internal-URL page to a real URL keeps it hidden from `browser_tabs`. Disable-downloads: skips `page.on('download')` listener registration entirely, letting ADF's Electron-side capture stack own downloads exclusively. Timeout-download: tool responses block on pending downloads up to the budget. `Download.savePromise` field stores `download.saveAs()` for the wait; `waitForCompletion(callback)` captures `beforeCount` and calls `_waitForPendingDownloads` with the budget. CRITICAL deadlock-avoidance invariant (PRD user story microsoft#24): `_waitForPendingDownloads` early-returns at the very top when `disableDownloads` is true, BEFORE any loop or promise allocation. Reason: when `disableDownloads=true` no `savePromise` is ever created, so waiting on it deadlocks the tool response indefinitely. Pinned by the Test 1 regression in `tests/mcp/download-wait.spec.ts` which asserts <2500ms elapsed on a `--disable-downloads --timeout-download=5000` invocation (would be 5000ms on regression). Allowed-tools: comma-separated allowlist applied AFTER capability gate. `--allowed-tools=browser_pdf_save` without `--caps=pdf` advertises ZERO pdf tools — the allowlist cannot re-introduce a capability-gated tool. CLI overrides env. Empty / unset = all tools (no regression). Test plan: - `opsFilters.spec.ts` — 14 pure-logic tests for `isInternalUrl()` + `parseAllowedTools()` covering edge cases (whitespace, trailing commas, `localhost.example.com` rejection, `about:blank` not filtered). - `filter-internal-urls.spec.ts` — 3 MCP integration tests including the navigate-survives persistence regression. - `allowed-tools.spec.ts` — 3 MCP tests for allowlist semantics, capability-gate-first ordering, CLI-over-env precedence. - `download-wait.spec.ts` — 3 MCP tests pinning the deadlock-avoidance invariant + the wait-for-completion happy path + the upstream-default no-wait fallback. - `config-resolve.spec.ts` — 11 new wiring tests for all 4 flags + env vars + numeric parser handling. `npm run flint`: clean. All affected tests pass. Part of Sapoto-Health/automatic-document-fetcher#1150. Closes Sapoto-Health/automatic-document-fetcher#1155.
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