- Moved sanitizeSchemaForStrictMode, enforceStrictSchema, and tryEnforceStrictSchema into normalize.ts.
- Moved sanitizeSchemaForOpenAIResponses/rewriteOneOfToAnyOf into normalize.ts alongside other normalizers.
- Removed strict-mode.ts and its public re-export; adapt.ts now only exposes NO_STRICT and adaptSchemaForStrict.
- Dropped StringEnum helper from strict-mode.ts (already removed from public API).
- Removed the legacy `parseEvalInput` parser module and `eval.lark`, eliminating `*** Cell` stream parsing.
- Replaced eval tool arguments from single `input` strings to ordered `cells` arrays in tool calls and schema.
- Updated execution to resolve language explicitly, map `py` to `python`, and apply timeout/reset defaults.
- Removed backend sniffing and `ABORT_WARNING` suffix handling, then updated docs and tests to the new JSON cells format.
- Added a unified eval framework with parser grammar, backend interfaces, and JS/Python execution result types.
- Added eval tool docs and updated prompts for fenced cells, `eval.py`/`eval.js`, and fallback behavior.
- Replaced the built-in `python` tool with `eval` across registry, rendering, interactive modes, and tool settings.
- Migrated Python execution runtime from `src/ipy` to `src/eval/py`, renamed state fields, and removed legacy introspection.
- Refactored browser tooling from in-process VM helpers to worker-managed tab supervisors and protocol transport.
- Added eval parser fallback and JS tool-bridge tests, updated imports, and removed obsolete python-mode suites.
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