context extended

maybe need polishing

apps/admin/scripts/create-fitness-goals.js

@@ -0,0 +1,49 @@
+const Database = require('better-sqlite3');
+const path = require('path');
+
+const dbPath = path.join(__dirname, '../data/fitai.db');
+const db = new Database(dbPath);
+
+console.log('Creating fitness_goals table...');
+
+try {
+    db.exec(`
+        CREATE TABLE IF NOT EXISTS fitness_goals (
+            id TEXT PRIMARY KEY,
+            user_id TEXT NOT NULL,
+            fitness_profile_id TEXT,
+            goal_type TEXT NOT NULL CHECK(goal_type IN ('weight_target', 'strength_milestone', 'endurance_target', 'flexibility_goal', 'habit_building', 'custom')),
+            title TEXT NOT NULL,
+            description TEXT,
+            target_value REAL,
+            current_value REAL,
+            unit TEXT,
+            start_date INTEGER NOT NULL,
+            target_date INTEGER,
+            completed_date INTEGER,
+            status TEXT NOT NULL DEFAULT 'active' CHECK(status IN ('active', 'completed', 'abandoned', 'paused')),
+            progress REAL DEFAULT 0,
+            priority TEXT DEFAULT 'medium' CHECK(priority IN ('low', 'medium', 'high')),
+            notes TEXT,
+            created_at INTEGER NOT NULL,
+            updated_at INTEGER NOT NULL,
+            FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+            FOREIGN KEY (fitness_profile_id) REFERENCES fitness_profiles(id) ON DELETE CASCADE
+        )
+    `);
+
+    // Create indexes for better query performance
+    db.exec(`
+        CREATE INDEX IF NOT EXISTS idx_fitness_goals_user_id ON fitness_goals(user_id);
+        CREATE INDEX IF NOT EXISTS idx_fitness_goals_status ON fitness_goals(status);
+        CREATE INDEX IF NOT EXISTS idx_fitness_goals_profile_id ON fitness_goals(fitness_profile_id);
+    `);
+
+    console.log('✅ fitness_goals table created successfully');
+    console.log('✅ Indexes created successfully');
+} catch (error) {
+    console.error('❌ Migration failed:', error);
+    process.exit(1);
+} finally {
+    db.close();
+}

apps/admin/src/app/api/fitness-goals/[id]/complete/route.ts

@@ -0,0 +1,39 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@clerk/nextjs/server';
+import { getDatabase } from '@/lib/database';
+
+// POST - Mark goal as complete
+export async function POST(
+    req: NextRequest,
+    { params }: { params: { id: string } }
+) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const { id } = await params;
+        const db = await getDatabase();
+
+        // Verify goal exists and user owns it
+        const existingGoal = await db.getFitnessGoalById(id);
+        if (!existingGoal) {
+            return NextResponse.json({ error: 'Goal not found' }, { status: 404 });
+        }
+        if (existingGoal.userId !== userId) {
+            return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+        }
+
+        // Mark as completed
+        const completedGoal = await db.completeGoal(id);
+
+        return NextResponse.json(completedGoal);
+    } catch (error) {
+        console.error('Error completing fitness goal:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}

apps/admin/src/app/api/fitness-goals/[id]/route.ts

@@ -0,0 +1,119 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@clerk/nextjs/server';
+import { getDatabase } from '@/lib/database';
+
+// GET - Get specific goal
+export async function GET(
+    req: NextRequest,
+    { params }: { params: { id: string } }
+) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const { id } = await params;
+        const db = await getDatabase();
+
+        const goal = await db.getFitnessGoalById(id);
+
+        if (!goal) {
+            return NextResponse.json({ error: 'Goal not found' }, { status: 404 });
+        }
+
+        // Verify ownership
+        if (goal.userId !== userId) {
+            return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+        }
+
+        return NextResponse.json(goal);
+    } catch (error) {
+        console.error('Error fetching fitness goal:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}
+
+// PUT - Update goal
+export async function PUT(
+    req: NextRequest,
+    { params }: { params: { id: string } }
+) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const { id } = await params;
+        const db = await getDatabase();
+
+        // Verify goal exists and user owns it
+        const existingGoal = await db.getFitnessGoalById(id);
+        if (!existingGoal) {
+            return NextResponse.json({ error: 'Goal not found' }, { status: 404 });
+        }
+        if (existingGoal.userId !== userId) {
+            return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+        }
+
+        const updates = await req.json();
+
+        // Don't allow changing userId or id
+        delete updates.userId;
+        delete updates.id;
+        delete updates.createdAt;
+
+        const updatedGoal = await db.updateFitnessGoal(id, updates);
+
+        return NextResponse.json(updatedGoal);
+    } catch (error) {
+        console.error('Error updating fitness goal:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}
+
+// DELETE - Delete goal
+export async function DELETE(
+    req: NextRequest,
+    { params }: { params: { id: string } }
+) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const { id } = await params;
+        const db = await getDatabase();
+
+        // Verify goal exists and user owns it
+        const existingGoal = await db.getFitnessGoalById(id);
+        if (!existingGoal) {
+            return NextResponse.json({ error: 'Goal not found' }, { status: 404 });
+        }
+        if (existingGoal.userId !== userId) {
+            return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+        }
+
+        const deleted = await db.deleteFitnessGoal(id);
+
+        if (deleted) {
+            return NextResponse.json({ success: true });
+        } else {
+            return NextResponse.json({ error: 'Failed to delete goal' }, { status: 500 });
+        }
+    } catch (error) {
+        console.error('Error deleting fitness goal:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}

apps/admin/src/app/api/fitness-goals/route.ts

@@ -0,0 +1,95 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@clerk/nextjs/server';
+import { getDatabase } from '@/lib/database';
+import { randomBytes } from 'crypto';
+
+// GET - List user's fitness goals
+export async function GET(req: NextRequest) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const { searchParams } = new URL(req.url);
+        const targetUserId = searchParams.get('userId') || userId;
+        const status = searchParams.get('status'); // active, completed, all
+
+        const db = await getDatabase();
+
+        // Fetch goals with optional status filter
+        const goals = await db.getFitnessGoalsByUserId(
+            targetUserId,
+            status && status !== 'all' ? status : undefined
+        );
+
+        return NextResponse.json(goals);
+    } catch (error) {
+        console.error('Error fetching fitness goals:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}
+
+// POST - Create new fitness goal
+export async function POST(req: NextRequest) {
+    try {
+        const { userId } = await auth();
+        if (!userId) {
+            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+        }
+
+        const body = await req.json();
+        const {
+            goalType,
+            title,
+            description,
+            targetValue,
+            currentValue,
+            unit,
+            targetDate,
+            priority,
+            notes,
+            fitnessProfileId
+        } = body;
+
+        // Validation
+        if (!goalType || !title) {
+            return NextResponse.json(
+                { error: 'goalType and title are required' },
+                { status: 400 }
+            );
+        }
+
+        const db = await getDatabase();
+
+        // Create the goal
+        const goal = await db.createFitnessGoal({
+            id: randomBytes(16).toString('hex'),
+            userId,
+            fitnessProfileId: fitnessProfileId || undefined,
+            goalType,
+            title,
+            description: description || undefined,
+            targetValue: targetValue || undefined,
+            currentValue: currentValue || 0,
+            unit: unit || undefined,
+            startDate: new Date(),
+            targetDate: targetDate ? new Date(targetDate) : undefined,
+            status: 'active',
+            progress: 0,
+            priority: priority || 'medium',
+            notes: notes || undefined
+        });
+
+        return NextResponse.json(goal, { status: 201 });
+    } catch (error) {
+        console.error('Error creating fitness goal:', error);
+        return NextResponse.json(
+            { error: 'Internal server error' },
+            { status: 500 }
+        );
+    }
+}

apps/admin/src/app/api/recommendations/generate/route.ts

@@ -1,5 +1,7 @@
 import { NextResponse } from "next/server";
 import { getDatabase } from "@/lib/database";
+import { buildAIContext } from "@/lib/ai/ai-context";
+import { buildEnhancedPrompt, buildBasicPrompt } from "@/lib/ai/prompt-builder";
 
 export async function POST(req: Request) {
     try {
@@ -21,26 +23,17 @@ export async function POST(req: Request) {
             );
         }
 
-        // Construct prompt
-        const prompt = `
-      You are a professional fitness trainer and nutritionist.
-      Generate a detailed daily recommendation for a user with the following profile:
-      - Height: ${profile.height} cm
-      - Weight: ${profile.weight} kg
-      - Age: ${profile.age}
-      - Gender: ${profile.gender}
-      - Goal: ${profile.fitnessGoals.join(", ")}
-      - Activity Level: ${profile.activityLevel}
-      - Medical Conditions: ${profile.medicalConditions || "None"}
-      - Injuries: ${profile.injuries || "None"}
-
-      Please provide the response in the following JSON format ONLY, no other text. Do not use markdown formatting or code blocks:
-      {
-        "recommendationText": "General advice and motivation for today.",
-        "activityPlan": "Detailed workout or activity plan for today.",
-        "dietPlan": "Detailed meal plan for today."
+        // Build AI context with goals and recommendations
+        let prompt: string;
+        try {
+            const context = await buildAIContext(userId);
+            prompt = buildEnhancedPrompt(context);
+            console.log('Using enhanced AI context with goals and history');
+        } catch (error) {
+            // Fallback to basic prompt if context building fails
+            console.warn('Failed to build AI context, using basic prompt:', error);
+            prompt = buildBasicPrompt(profile);
         }
-    `;
 
         let parsedResponse;
 

apps/admin/src/lib/ai/ai-context.ts

@@ -0,0 +1,88 @@
+import { getDatabase } from '@/lib/database';
+import type { FitnessGoal } from '@/lib/database/types';
+
+// Import types from database package
+import type {
+    FitnessProfile as DBFitnessProfile,
+    Recommendation as DBRecommendation,
+} from '@fitai/database';
+
+export interface AIContext {
+    profile: DBFitnessProfile;
+    activeGoals: FitnessGoal[];
+    completedGoals: FitnessGoal[];
+    recentRecommendations: DBRecommendation[];
+    progressSummary: {
+        goalsCompleted: number;
+        goalsActive: number;
+        averageProgress: number;
+    };
+}
+
+/**
+ * Build comprehensive AI context for a user
+ * Aggregates fitness profile, goals, and recommendation history
+ */
+export async function buildAIContext(userId: string): Promise<AIContext> {
+    const db = await getDatabase();
+
+    // Fetch fitness profile
+    const profile = await db.getFitnessProfileByUserId(userId);
+
+    if (!profile) {
+        throw new Error(`Fitness profile not found for user ${userId}`);
+    }
+
+    // Fetch all fitness goals
+    const allGoals = await db.getFitnessGoalsByUserId(userId);
+
+    // Separate active and completed goals
+    const activeGoals = allGoals.filter((g) => g.status === 'active');
+    const completedGoals = allGoals.filter((g) => g.status === 'completed');
+
+    // Get all recommendations
+    const allRecommendations = await db.getRecommendationsByUserId(userId);
+
+    // Filter recent recommendations (last 7 days)
+    const sevenDaysAgo = new Date();
+    sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+    const recentRecommendations = allRecommendations
+        .filter((r) => new Date(r.createdAt) > sevenDaysAgo)
+        .sort((a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime())
+        .slice(0, 5);
+
+    // Calculate progress summary
+    const progressSummary = {
+        goalsCompleted: completedGoals.length,
+        goalsActive: activeGoals.length,
+        averageProgress:
+            activeGoals.length > 0
+                ? activeGoals.reduce((sum, g) => sum + (g.progress || 0), 0) / activeGoals.length
+                : 0,
+    };
+
+    return {
+        profile,
+        activeGoals,
+        completedGoals,
+        recentRecommendations,
+        progressSummary,
+    };
+}
+
+/**
+ * Format goal for display in AI prompt
+ */
+export function formatGoalForPrompt(goal: FitnessGoal): string {
+    const progress = goal.progress || 0;
+    const current = goal.currentValue || 0;
+    const target = goal.targetValue;
+    const unit = goal.unit || '';
+
+    if (target) {
+        return `${goal.title}: ${current}/${target} ${unit} (${progress.toFixed(1)}% complete)`;
+    }
+
+    return `${goal.title}: ${progress.toFixed(1)}% complete`;
+}

apps/admin/src/lib/ai/prompt-builder.ts

@@ -0,0 +1,91 @@
+import type { AIContext } from './ai-context';
+import { formatGoalForPrompt } from './ai-context';
+
+/**
+ * Build enhanced AI prompt with comprehensive user context
+ * Includes profile, goals, progress, and recommendation history
+ */
+export function buildEnhancedPrompt(context: AIContext): string {
+    const { profile, activeGoals, completedGoals, recentRecommendations, progressSummary } = context;
+
+    // Build goals section
+    const activeGoalsText =
+        activeGoals.length > 0
+            ? activeGoals.map((g) => `- ${formatGoalForPrompt(g)}`).join('\n')
+            : '- No active goals set';
+
+    const completedGoalsText =
+        completedGoals.length > 0
+            ? completedGoals.slice(0, 3).map((g) => g.title).join(', ')
+            : 'None yet';
+
+    // Build context about recent recommendations
+    const recommendationContextText =
+        recentRecommendations.length > 0
+            ? `The user has received ${recentRecommendations.length} recommendations in the past week. Consider their progress and avoid repetitive advice.`
+            : 'This is a new user or they haven\'t received recent recommendations. Provide comprehensive guidance.';
+
+    return `You are a professional fitness trainer and nutritionist with access to the user's complete fitness journey.
+
+## User Profile
+- Height: ${profile.height || 'Not specified'} cm
+- Weight: ${profile.weight || 'Not specified'} kg
+- Age: ${profile.age || 'Not specified'}
+- Gender: ${profile.gender || 'Not specified'}
+- Primary Goal: ${profile.fitnessGoal || 'General fitness'}
+- Activity Level: ${profile.activityLevel || 'Not specified'}
+- Medical Conditions: ${profile.medicalConditions || 'None'}
+- Allergies: ${profile.allergies || 'None'}
+- Injuries: ${profile.injuries || 'None'}
+
+## Active Goals (${activeGoals.length})
+${activeGoalsText}
+
+## Recent Progress
+- Goals Completed: ${progressSummary.goalsCompleted}
+- Active Goals: ${progressSummary.goalsActive}
+- Average Progress on Active Goals: ${progressSummary.averageProgress.toFixed(1)}%
+${completedGoals.length > 0 ? `- Recently Completed: ${completedGoalsText}` : ''}
+
+## Recommendation History
+${recommendationContextText}
+
+## Task
+Generate a personalized daily recommendation that:
+1. Acknowledges their progress on active goals
+2. Provides specific, actionable steps toward goal completion
+3. Builds on previous recommendations without being repetitive
+4. Adapts to their current progress level
+5. Takes into account their medical conditions, allergies, and injuries
+
+Respond in the following JSON format ONLY, no other text. Do not use markdown formatting or code blocks:
+{
+  "recommendationText": "Personalized motivation and progress acknowledgment (2-3 sentences)",
+  "activityPlan": "Specific workout plan aligned with active goals (detailed, 3-5 exercises or activities)",
+  "dietPlan": "Nutrition plan supporting their goals and restrictions (detailed, include meals and portions)"
+}`;
+}
+
+/**
+ * Build basic prompt for users without complete context
+ * Fallback when goals or other data is missing
+ */
+export function buildBasicPrompt(profile: any): string {
+    return `You are a professional fitness trainer and nutritionist.
+Generate a detailed daily recommendation for a user with the following profile:
+- Height: ${profile.height} cm
+- Weight: ${profile.weight} kg
+- Age: ${profile.age}
+- Gender: ${profile.gender}
+- Goal: ${profile.fitnessGoal}
+- Activity Level: ${profile.activityLevel}
+- Medical Conditions: ${profile.medicalConditions || "None"}
+- Injuries: ${profile.injuries || "None"}
+
+Please provide the response in the following JSON format ONLY, no other text. Do not use markdown formatting or code blocks:
+{
+  "recommendationText": "General advice and motivation for today.",
+  "activityPlan": "Detailed workout or activity plan for today.",
+  "dietPlan": "Detailed meal plan for today."
+}`;
+}

apps/admin/src/lib/database/sqlite.ts

@@ -614,6 +614,174 @@ export class SQLiteDatabase implements IDatabase {
     }
   }
 
+  // Fitness Goals operations
+  async createFitnessGoal(goalData: Omit<import('./types').FitnessGoal, 'createdAt' | 'updatedAt'>): Promise<import('./types').FitnessGoal> {
+    if (!this.db) throw new Error('Database not connected')
+
+    const now = new Date()
+    const goal: import('./types').FitnessGoal = {
+      ...goalData,
+      createdAt: now,
+      updatedAt: now
+    }
+
+    const stmt = this.db.prepare(
+      `INSERT INTO fitness_goals (
+        id, user_id, fitness_profile_id, goal_type, title, description,
+        target_value, current_value, unit, start_date, target_date,
+        completed_date, status, progress, priority, notes, created_at, updated_at
+      )
+      VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
+    )
+
+    stmt.run(
+      goal.id,
+      goal.userId,
+      goal.fitnessProfileId || null,
+      goal.goalType,
+      goal.title,
+      goal.description || null,
+      goal.targetValue || null,
+      goal.currentValue || null,
+      goal.unit || null,
+      goal.startDate.toISOString(),
+      goal.targetDate ? goal.targetDate.toISOString() : null,
+      goal.completedDate ? goal.completedDate.toISOString() : null,
+      goal.status,
+      goal.progress,
+      goal.priority,
+      goal.notes || null,
+      goal.createdAt.toISOString(),
+      goal.updatedAt.toISOString()
+    )
+
+    return goal
+  }
+
+  async getFitnessGoalById(id: string): Promise<import('./types').FitnessGoal | null> {
+    if (!this.db) throw new Error('Database not connected')
+
+    const stmt = this.db.prepare('SELECT * FROM fitness_goals WHERE id = ?')
+    const row = stmt.get(id)
+
+    return row ? this.mapRowToFitnessGoal(row) : null
+  }
+
+  async getFitnessGoalsByUserId(userId: string, status?: string): Promise<import('./types').FitnessGoal[]> {
+    if (!this.db) throw new Error('Database not connected')
+
+    let query = 'SELECT * FROM fitness_goals WHERE user_id = ?'
+    const params: any[] = [userId]
+
+    if (status) {
+      query += ' AND status = ?'
+      params.push(status)
+    }
+
+    query += ' ORDER BY created_at DESC'
+
+    const stmt = this.db.prepare(query)
+    const rows = stmt.all(...params)
+
+    return rows.map(row => this.mapRowToFitnessGoal(row))
+  }
+
+  async updateFitnessGoal(id: string, updates: Partial<import('./types').FitnessGoal>): Promise<import('./types').FitnessGoal | null> {
+    if (!this.db) throw new Error('Database not connected')
+
+    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'createdAt')
+    if (fields.length === 0) return this.getFitnessGoalById(id)
+
+    // Map camelCase to snake_case for database columns
+    const columnMap: Record<string, string> = {
+      userId: 'user_id',
+      fitnessProfileId: 'fitness_profile_id',
+      goalType: 'goal_type',
+      targetValue: 'target_value',
+      currentValue: 'current_value',
+      startDate: 'start_date',
+      targetDate: 'target_date',
+      completedDate: 'completed_date',
+      updatedAt: 'updated_at'
+    }
+
+    const setClause = fields.map(field => `${columnMap[field] || field} = ?`).join(', ')
+    const values = fields.map(field => {
+      const val = (updates as any)[field]
+      return val instanceof Date ? val.toISOString() : val
+    })
+    values.push(new Date().toISOString()) // updatedAt
+    values.push(id)
+
+    const stmt = this.db.prepare(`UPDATE fitness_goals SET ${setClause}, updated_at = ? WHERE id = ?`)
+    stmt.run(values)
+
+    return this.getFitnessGoalById(id)
+  }
+
+  async deleteFitnessGoal(id: string): Promise<boolean> {
+    if (!this.db) throw new Error('Database not connected')
+
+    const stmt = this.db.prepare('DELETE FROM fitness_goals WHERE id = ?')
+    const result = stmt.run(id)
+    return (result.changes || 0) > 0
+  }
+
+  async updateGoalProgress(id: string, currentValue: number): Promise<import('./types').FitnessGoal | null> {
+    if (!this.db) throw new Error('Database not connected')
+
+    // Get the goal to calculate progress
+    const goal = await this.getFitnessGoalById(id)
+    if (!goal) return null
+
+    let progress = goal.progress
+    if (goal.targetValue && goal.targetValue > 0) {
+      progress = Math.min(100, (currentValue / goal.targetValue) * 100)
+    }
+
+    const stmt = this.db.prepare(
+      'UPDATE fitness_goals SET current_value = ?, progress = ?, updated_at = ? WHERE id = ?'
+    )
+    stmt.run(currentValue, progress, new Date().toISOString(), id)
+
+    return this.getFitnessGoalById(id)
+  }
+
+  async completeGoal(id: string): Promise<import('./types').FitnessGoal | null> {
+    if (!this.db) throw new Error('Database not connected')
+
+    const now = new Date()
+    const stmt = this.db.prepare(
+      'UPDATE fitness_goals SET status = ?, progress = ?, completed_date = ?, updated_at = ? WHERE id = ?'
+    )
+    stmt.run('completed', 100, now.toISOString(), now.toISOString(), id)
+
+    return this.getFitnessGoalById(id)
+  }
+
+  private mapRowToFitnessGoal(row: any): import('./types').FitnessGoal {
+    return {
+      id: row.id,
+      userId: row.user_id,
+      fitnessProfileId: row.fitness_profile_id,
+      goalType: row.goal_type,
+      title: row.title,
+      description: row.description,
+      targetValue: row.target_value,
+      currentValue: row.current_value,
+      unit: row.unit,
+      startDate: new Date(row.start_date),
+      targetDate: row.target_date ? new Date(row.target_date) : undefined,
+      completedDate: row.completed_date ? new Date(row.completed_date) : undefined,
+      status: row.status,
+      progress: row.progress,
+      priority: row.priority,
+      notes: row.notes,
+      createdAt: new Date(row.created_at),
+      updatedAt: new Date(row.updated_at)
+    }
+  }
+
   async getDashboardStats(): Promise<{
     totalUsers: number;
     activeClients: number;

apps/admin/src/lib/database/types.ts

@@ -61,6 +61,27 @@ export interface Recommendation {
   approvedBy?: string;
 }
 
+export interface FitnessGoal {
+  id: string;
+  userId: string;
+  fitnessProfileId?: string;
+  goalType: "weight_target" | "strength_milestone" | "endurance_target" | "flexibility_goal" | "habit_building" | "custom";
+  title: string;
+  description?: string;
+  targetValue?: number;
+  currentValue?: number;
+  unit?: string;
+  startDate: Date;
+  targetDate?: Date;
+  completedDate?: Date;
+  status: "active" | "completed" | "abandoned" | "paused";
+  progress: number;
+  priority: "low" | "medium" | "high";
+  notes?: string;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
 // Database Interface - allows us to swap implementations
 export interface IDatabase {
   // Connection management
@@ -121,6 +142,20 @@ export interface IDatabase {
   ): Promise<Recommendation | null>;
   deleteRecommendation(id: string): Promise<boolean>;
 
+  // Fitness Goals operations
+  createFitnessGoal(
+    goal: Omit<FitnessGoal, "createdAt" | "updatedAt">
+  ): Promise<FitnessGoal>;
+  getFitnessGoalById(id: string): Promise<FitnessGoal | null>;
+  getFitnessGoalsByUserId(userId: string, status?: string): Promise<FitnessGoal[]>;
+  updateFitnessGoal(
+    id: string,
+    updates: Partial<FitnessGoal>
+  ): Promise<FitnessGoal | null>;
+  deleteFitnessGoal(id: string): Promise<boolean>;
+  updateGoalProgress(id: string, currentValue: number): Promise<FitnessGoal | null>;
+  completeGoal(id: string): Promise<FitnessGoal | null>;
+
   // Dashboard operations
   getDashboardStats(): Promise<{
     totalUsers: number;

packages/database/src/schema.ts

@@ -145,6 +145,67 @@ export const fitnessProfiles = sqliteTable("fitness_profiles", {
     .$defaultFn(() => new Date()),
 });
 
+export const fitnessGoals = sqliteTable("fitness_goals", {
+  id: text("id").primaryKey(),
+  userId: text("user_id")
+    .notNull()
+    .references(() => users.id, { onDelete: "cascade" }),
+  fitnessProfileId: text("fitness_profile_id").references(
+    () => fitnessProfiles.id,
+    { onDelete: "cascade" }
+  ),
+
+  // Goal details
+  goalType: text("goal_type", {
+    enum: [
+      "weight_target",
+      "strength_milestone",
+      "endurance_target",
+      "flexibility_goal",
+      "habit_building",
+      "custom",
+    ],
+  }).notNull(),
+
+  title: text("title").notNull(),
+  description: text("description"),
+
+  // Measurable targets
+  targetValue: real("target_value"), // e.g., 70 (kg), 100 (kg bench press)
+  currentValue: real("current_value"), // Current progress
+  unit: text("unit"), // kg, km, reps, etc.
+
+  // Timeline
+  startDate: integer("start_date", { mode: "timestamp" })
+    .notNull()
+    .$defaultFn(() => new Date()),
+  targetDate: integer("target_date", { mode: "timestamp" }),
+  completedDate: integer("completed_date", { mode: "timestamp" }),
+
+  // Status tracking
+  status: text("status", {
+    enum: ["active", "completed", "abandoned", "paused"],
+  })
+    .notNull()
+    .default("active"),
+
+  progress: real("progress").default(0), // 0-100 percentage
+
+  // Metadata
+  priority: text("priority", {
+    enum: ["low", "medium", "high"],
+  }).default("medium"),
+
+  notes: text("notes"),
+
+  createdAt: integer("created_at", { mode: "timestamp" })
+    .notNull()
+    .$defaultFn(() => new Date()),
+  updatedAt: integer("updated_at", { mode: "timestamp" })
+    .notNull()
+    .$defaultFn(() => new Date()),
+});
+
 export const recommendations = sqliteTable("recommendations", {
   id: text("id").primaryKey(),
   userId: text("user_id")
@@ -186,5 +247,8 @@ export type Notification = typeof notifications.$inferSelect;
 export type NewNotification = typeof notifications.$inferInsert;
 export type FitnessProfile = typeof fitnessProfiles.$inferSelect;
 export type NewFitnessProfile = typeof fitnessProfiles.$inferInsert;
+export type FitnessGoal = typeof fitnessGoals.$inferSelect;
+export type NewFitnessGoal = typeof fitnessGoals.$inferInsert;
 export type Recommendation = typeof recommendations.$inferSelect;
 export type NewRecommendation = typeof recommendations.$inferInsert;
+