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/models/cv/validation.go

@@ -246,11 +246,11 @@ func (s *Skills) Validate() error {
 			})
 		}
 
-		// Proficiency should be between 1-5 (typical skill rating)
-		if cat.Proficiency < 1 || cat.Proficiency > 5 {
+		// Proficiency should be between 1-10 (half-star increments over 5 stars)
+		if cat.Proficiency < 1 || cat.Proficiency > 10 {
 			errors = append(errors, ValidationError{
 				Field:   fmt.Sprintf("technical[%d].proficiency", i),
-				Message: "proficiency must be between 1 and 5",
+				Message: "proficiency must be between 1 and 10",
 			})
 		}