docs(cortex): add PRD, TO and rename swift → cortex
New documents:
- prd-cortex-v2.md: Product Requirements Document with MVP scope,
user flows, success criteria, and roadmap
- to-cortex-v2.md: Technical Design with three-layer architecture,
API design, error handling, and logging
Renamed files (swift → cortex):
- architecture-swift-cortex-v2.md → architecture-cortex-v2.md
- fo-swift-intent-system-v2.md → fo-cortex-intent-system-v2.md
- haalbaarheidsanalyse-swift-cortex-v2.md → haalbaarheidsanalyse-cortex-v2.md
- review-swift-cortex-v2.md → review-cortex-v2.md
Updated content:
- All swift references replaced with cortex
- FO: confidence threshold 0.9 → 0.7 (industry standard)
- TO v1.1: Added error handling, input sanitization, improved
suïcidaliteit regex, model version note
- Legacy docs: Added note about swift → cortex rename
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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