feat(swift): voeg chat messages en styling toe (E2.S1-S2)
E2.S1 - Store uitbreiding (2 SP)
- ChatMessage, ChatAction, ChatMessageType types toegevoegd
- chatMessages[], isStreaming, pendingAction state
- addChatMessage, updateLastMessage, clearChat, setStreaming actions
E2.S2 - ChatMessage component (3 SP)
- Herbruikbare ChatMessage component met 4 message types
- MESSAGE_STYLES config (user/assistant/system/error)
- User: amber bubble rechts, rounded-tr-sm
- Assistant: slate bubble links, rounded-tl-sm
- System: centered, transparent, italic
- Error: red bubble links
- Optional timestamp support (NL locale)
- Demo messages in ChatPanel voor testing
Components Created:
- components/swift/chat/chat-message.tsx (77 regels)
- components/swift/chat/chat-panel.tsx (102 regels)
Store Updated:
- stores/swift-store.ts (+87 regels) - Chat state en actions
Epic 2 Progress: 2/5 stories compleet (5 SP / 13 SP = 38%)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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