docs: Python Selenium Adapter arch and doc update

[vishnuv688]

What & why

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Polish (an improvement to an existing feature)
• Breaking change (existing behavior changes for users)
• Documentation
• Internal (build, CI, dependencies, tooling)

Packages touched

• shared (types and contracts)
• core (framework-agnostic capture/reporting)
• elements (published element/snapshot API — @wdio/elements)
• service (WebdriverIO adapter)
• nightwatch-devtools (Nightwatch adapter)
• selenium-devtools (Selenium adapter)
• backend (server)
• app (UI)
• script (page-injected runtime)
• selenium-devtools-py

Notes for reviewers

Screenshots / recordings

[greptile-apps]

Greptile Summary

The PR updates the project documentation to cover the Python Selenium adapter and distinguish it from the three JavaScript adapters.

• Documents Python installation, configuration, capture capabilities, lifecycle, and trace mode.
• Expands the architecture and package maps to include the Python adapter.
• Clarifies which shared-core and trace features apply only to JavaScript adapters.

Confidence Score: 5/5

The PR appears safe to merge because no blocking failure remains within the eligible follow-up-review scope.

No blocking failure remains.

Important Files Changed

Filename	Overview
ARCHITECTURE.md	Adds the Python Selenium adapter to the package architecture and clarifies that shared TypeScript capture code applies to the JavaScript adapters.
README.md	Adds top-level Python installation and integration guidance and updates project-wide adapter descriptions.
packages/selenium-devtools-py/README.md	Substantially expands Python adapter documentation for trace export, capture behavior, lifecycle, module layout, and remaining feature gaps.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  TEST[Python Selenium tests] --> ADAPTER[selenium-devtools-py]
  ADAPTER -->|scope, data| BACKEND[Node.js backend]
  BACKEND --> LIVE[Live dashboard]
  BACKEND --> TRACE[Portable trace archive]
  TRACE --> PLAYER[Trace player]

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_{Reviews (3): Last reviewed commit: "traceGranularity and tracePolicy doc upd..." | Re-trigger Greptile}