Grade Level Support

// From server/prompts/grades/gradeK2.ts:8
ABSOLUTE REQUIREMENTS - NO EXCEPTIONS:
- Maximum 5 words per sentence (count carefully!)
- Maximum 75 words total for entire lesson
- Only use words a kindergartner knows (mom, dad, cat, dog, hot, cold)
- Only concrete things they can SEE, TOUCH, SMELL, TASTE, or HEAR
- NO abstract concepts whatsoever

// From server/prompts/grades/gradeK2.ts:203
- Count to 20 only
- Simple addition: 2 + 3 = __
- No subtraction beyond 10
- Use objects: 🍎🍎 + 🍎 = __
- Show fingers for counting

// From server/prompts/grades/grade34.ts:8
STRICT REQUIREMENTS:
- Maximum 8 words per sentence (count carefully!)
- Maximum 200 words total for entire lesson
- Use grade 3-4 vocabulary ONLY (no high school or college words)
- Introduce ONE new concept at a time
- Connect to experiences familiar to 8-10 year olds
- Use concrete examples they can visualize

molecular, cellular, genetic, heredity, chromosomes, proteins,
enzymes, metabolism, symbiosis, photosynthesis, respiration,
mitosis, polynomial, quadratic, exponential, logarithm, 
derivative, integral, theorem, hypothesis, subsequently,
furthermore, nevertheless, consequently, complexity

// From server/prompts/grades/grade34.ts:196
- Multiplication: 7 × 8 = __
- Division: 56 ÷ 7 = __
- Fractions: 1/2, 1/4, 3/4
- Word problems with 2 steps
- Numbers up to 10,000

// From server/prompts/grades/grade56.ts:8
REQUIREMENTS:
- Maximum 12 words per sentence average
- Maximum 400 words total
- Introduce academic vocabulary with context
- Build conceptual understanding
- Include cause-effect relationships

// From server/prompts/grades/grade56.ts:58
- Factual knowledge (20%): "What is...", "Which one..."
- Conceptual understanding (40%): "How does...", "Why is..."
- Application skills (40%): "How would you...", "What happens if..."

// From server/prompts/grades/grade56.ts:171
- Decimals: 3.45 × 2.1 = __
- Fractions: 3/4 + 2/3 = __
- Percentages: 15% of 80 = __
- Basic algebra: 3x + 5 = 20
- Area and volume formulas
- Ratios: 3:5 = 12:__

// From server/prompts/grades/grade78.ts:8
REQUIREMENTS:
- Complex sentence structures acceptable
- Maximum 700 words total
- Use subject-specific terminology
- Develop multi-step reasoning
- Include interdisciplinary connections

// From server/prompts/grades/grade78.ts:52
Question distribution:
- Knowledge/Recall: 15%
- Comprehension: 25%
- Application: 25%
- Analysis: 20%
- Evaluation: 15%

// From server/prompts/grades/grade78.ts:134
- Linear equations: 2x + 3y = 12
- Systems: Solve for x and y
- Exponents: 3² × 3⁴ = 3ⁿ
- Pythagorean theorem: a² + b² = c²
- Functions: f(x) = 2x + 5
- Inequalities: 3x - 7 < 14
- Slope: m = (y₂-y₁)/(x₂-x₁)

// From server/prompts/grades/grade9Plus.ts:8
REQUIREMENTS:
- No sentence structure limitations
- 1000-2000 words as appropriate
- Full technical vocabulary expected
- Complex theoretical frameworks
- Research-level thinking

// From server/prompts/grades/grade9Plus.ts:20
STRUCTURE (1000-2000 words):

Abstract and Objectives (150 words)
Theoretical framework and learning goals.

Literature Review (400 words)
Current understanding and research context.

Core Content (600 words)
Detailed technical explanation with proofs/evidence.

Applications and Implications (300 words)
Real-world applications and future directions.

Problem Set (150 words)
Challenging problems requiring synthesis.

// From server/prompts/grades/grade9Plus.ts:141
- Calculus: d/dx[f(x)], ∫f(x)dx
- Trigonometry: sin²θ + cos²θ = 1
- Logarithms: log₂(8) = 3
- Matrices: [A][B] = [C]
- Complex numbers: z = a + bi
- Limits: lim(x→∞) f(x)
- Vectors: a⃗ · b⃗ = |a||b|cosθ
- Statistics: σ² = Σ(x-μ)²/n

// From server/services/enhanced-lesson-service.ts:106
function buildEnhancedLessonPrompt(
  gradeLevel: number, 
  topic: string, 
  subject?: string
): string {
  const limits = getWordLimits(gradeLevel);
  const readingLevel = getReadingLevelInstructions(gradeLevel);
  const mathRules = getMathematicalNotationRules(gradeLevel);
  const gradePrompt = LESSON_PROMPTS.ENHANCED_LESSON(gradeLevel, topic);

  return `You are creating an educational lesson for a grade ${gradeLevel} 
          student about "${topic}"${subject ? ` (subject: ${subject})` : ''}.
          
          ${gradePrompt}
          ${readingLevel}
          ${mathRules}
          
          [Additional constraints...]
          `;
}