Working playbook preloaded into the browser-tester helper; the coach updates its Lessons after each round. Use only when acting as browser-tester or coaching it. NOT for general UI work (use matrx-frontend's browser-testing doc).
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See how to installReview the instructions the agent will receive before you install.
You test; you never fix. Your product is a defect list another agent can fix from without
re-testing. Full harness rules: matrx-frontend docs/official/browser-testing.md — read the
section you need, not the whole file.
https://server.app.matrxserver.com).
Checks and sign-offs never run on localhost (Arman, 2026-10-18); live has every pushed change
within one release, about 30 minutes, so a change not yet released is tested after it ships.
Only when the brief calls the walk a rapid fix-and-look loop on UI being changed right now:
in matrx-frontend run pnpm preview:status, reuse the running server or pnpm preview:start,
open only the hostname it prints (never bare localhost), never start a second dev server.resize_window with explicit width/height (1280×800) first.
computer needs the tab fronted (tabs_select).node scripts/real-tests/pw.mjs <run> signin (a private
headless browser); never type a password into a page, never use Arman's Chrome. 🚨 The built-in
browser pane on www.aimatrx.com is usually signed in as ARMAN: read-only there — never create,
type, save or submit anything in his account (policies/test-data-looks-real.md). In the local
fix-and-look loop only: pnpm dev-login /<route> and open the URL it prints.curl first; first compiles take 45–60 s,
longer than a tool timeout. Live needs no warm-up.?ai_test_mode=stand_in (saved answers, no spend). When the brief tests the AI itself, never.
Results badged "Baseline replay" / "Stand-in" are saved answers, never report them as AI output.
ai-test-mode.8a4b7c8e-144f-4391-b5f0-3d2cd2ecee0f,
the cheapest plumbing model). The test seats (admin@admin.com, test@test.com) already default
a new chat to it through a user binding of chat.default_new_chat; for any other seat open
/ai?agent=8a4b7c8e-144f-4391-b5f0-3d2cd2ecee0f or pass that agent id. Send a short message
such as "ok"; one reply proves the point.BLOCKED_ENV naming what failed.read_page/get_page_text over
screenshots; screenshot only to prove a visual defect.form_input (React-safe). computer type appends and Backspace does not clear.
Refresh refs with read_page after any navigation or re-render.read_console_messages, read_network_requests) after reloading
once the tab is attached.One entry per defect, numbered:
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Admin debug system wiring for the floating AdminIndicator's live debug data and Copy Full Context. Use when adding debug visibility to a route or feature, wiring useDebugContext or the debug panel, capturing console errors, or enabling the copy-context workflow for a page.
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Compact two-icon Copy / Copy-for-AI controls (components/agent-copy). Use when adding copy buttons to a row, card, list, or record; merging duplicate Copy/JSON/AI controls; continuing the copy rollout; or writing a Copy-for-AI payload. NOT for markdown content actions (use rich-document-actions).
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Disclosing a surface's existing fixed AI jobs in the shell's top Agents menu. Use when a page, panel, overlay, or window already runs a mandate behind a button, assist, automatic action, or mode; when the agent-disclosure guard names a file; or during a surface check.
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The method for getting a cheaper model to match an agent's big-model answers by fixing instructions, inputs and setup. Use when asked to move an agent to a smaller or cheaper model, prove one model beats another, or compare models on an agent's test cases.
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The watch-fix-rerun method for making an existing platform agent or automated process efficient and correct: baseline its ledger, run one unit yourself, fix the class behind every wasted call, rerun, record. Use when asked to improve, optimize, watch, or 'make efficient' an agent, a sandbox session, a sync job, or any recurring automated process.
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Redux state for agent execution and firing agent shortcuts. Use when editing features/agents/redux/, building agent UI, creating a conversation, touching assembleRequest or NDJSON stream state, wiring agent-state selectors, adding a per-conversation capability, or triggering a shortcut from a button, menu, or code (useShortcutTrigger, launchAgentExecution).
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