feat(browser): add browser protocol with full Playwright MCP parity#59

Merged

jrandolf merged 39 commits intomainfrom

feature/browser-protocol

Feb 25, 2026

Commits on Feb 25, 2026

feat(browser): scaffold earl-protocol-browser crate

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fix(browser): add rkyv derives, scope tokio features
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feat(browser): add typed BrowserError enum
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feat(browser): add BrowserOperationTemplate and BrowserStep schema with all ~55 step types

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feat(browser): add SessionFile with atomic write, 0700 directory, and advisory locking

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feat(browser): add Chrome launcher, connect, and configure_page

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feat(browser): add accessibility tree ref mapping
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feat(browser): add step engine, URL scheme validation, navigation, snapshot, screenshot

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fix(browser): use 'text' key in snapshot result per spec
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feat(browser): add interaction and mouse step implementations

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feat(browser): implement all remaining step types

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fix(browser): validate locator ref and fix wait_for timeout overshoot

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feat(browser): implement builder and executor

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fix(browser): fix action discriminant corruption, session reconnect, cleanup, and lock file

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feat(browser): wire browser protocol into Earl schema, builder, and executor

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fix(browser): add explicit Browser arm to request_url for consistency
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test(browser): add integration tests for navigation, snapshot, scheme check, optional steps

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feat(browser): add example browser templates
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fix(browser): add Browser arm to validate_operation in validator
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test(browser): add local HTTP test server and shared test helpers

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test(browser): add screenshot and PDF use-case tests

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test(browser): add scraping and javascript use-case tests

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test(browser): add dialog handling and assertion step tests

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test(browser): add form automation and keyboard/mouse use-case tests

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test(browser): add cookie and localStorage integration tests

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test(browser): add session persistence use-case tests

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test(browser): implement dialog and assertion tests, fix handle_dialog

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fix(ci): fix clippy errors, rustfmt, and publish order for browser crate

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fix(ci): fix workspace rustfmt and per-crate publish dry-run

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test(browser): address all code review findings from testing.md review

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docs: add browser protocol documentation to templates and schema reference

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fix(docs): remove MDX-incompatible heading ID syntax

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fix: address code review security and correctness findings

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fix: address second round of code review findings

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fix(browser): eliminate temp-file leaks in screenshot/pdf and add stub notes

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fix(browser): restrict diagnostic screenshot permissions to 0o600

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fix(browser): omit session_id from tracing::warn log to fix CodeQL cleartext-logging

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fix(browser): remove session file path from warn log to fix CodeQL cleartext-logging

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fix(browser): omit session_id from SessionLocked error Display to fix CodeQL

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