feat: CV overhaul — modernize skills, add projects, fix proficiency scale

- Title: "Senior Technical Consultant & Full-Stack Developer"
- Add Swift & macOS Development skill category (SoundInbox, Commando)
- Rename "AI-Assisted Development" → "AI Engineering & Integration" with MCP, ADK, Gemini, CLIP
- Remove "Design Tools" (Corel Draw, GIMP) and "Legacy Enterprise" (Struts, Yii, Zend)
- Remove jQuery, Assembler, Groovy; add Swift to programming languages
- Rewrite Team Management with professional language
- Proficiency scale: 1-5 → 1-10 (validation, tests, chat agent prompt)
- Add SoundInbox (Swift) and Commando (Go+SwiftUI) to projects
- Remove personal details: dateOfBirth, placeOfBirth, domestika, driverLicense
- Trim weak LinkedIn Learning courses (speed reading, persuasive UX)
- Fix Spanish soft_skills duplicates
- Chat agent: 11 new assertions (proficiency scale, new projects, removed skills)
- Fix hardcoded year 2025 in TestDefaultCVShortcut → time.Now().Year()

internal/chat/agent.go

@@ -61,6 +61,7 @@ QUERY STRATEGY BY QUESTION TYPE:
    - NEVER search only projects or only experience — always use cross-section search.
    - Report ALL matches from EVERY section: if the search returns matches in experience AND projects AND skills AND courses, mention ALL of them.
    - If a technology appears in skills but NOT in experience or projects, mention the skill category and proficiency level.
+   - IMPORTANT: Proficiency is on a scale of 1 to 10 (not 1 to 5). Always say "X out of 10" or "X/10". Each unit represents half a star on a 5-star visual scale.
    - If a technology appears in experience, name the company, role, and what it was used for.
 
 2. COMPANY / EMPLOYER QUESTIONS (e.g. "What companies?", "Tell me about SAP"):