- Added `highlightMagicKeywords(text: string, resetTo?: string): string` and chained ultrathink, orchestrate, workflow glow.
- Updated ultrathink, orchestrate, and workflow matching to lowercase whitespace-delimited patterns with prose-only checks.
- Added `maskNonProse` and `keywordInProse` to skip fenced/inline code and HTML/XML segments while highlighting keywords.
- Added `KeywordHighlighter` with optional `resetTo`, and updated gradient highlighting to use masked match slicing.
- Added orchestrate keyword detection and notice handling for non-synthetic prompts.
- Added orchestrate notice handling in session output paths, including streaming and append delivery.
- Added a system orchestrate notice specifying task-subagent delegation, phase workflow, and validation gates.
- Added shared gradient-highlighter utilities and switched ultrathink highlighting to use cached palettes.
- Removed embedded orchestrate prompt artifacts and updated usage tips for orchestration, ultrathink, and /login behavior.
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