refix

backend/app/api/activities.py

@@ -26,6 +26,7 @@ from backend.app.services.power_curve import calculate_power_curve
 from backend.app.services.intervals import detect_intervals
 from backend.app.services.ai_summary import generate_summary
 from backend.app.services.coaching import link_activity_to_plan
+from backend.app.models.training import TrainingPlan
 
 router = APIRouter()
 
@@ -205,6 +206,7 @@ async def get_activity_power_curve(
 @router.post("/{activity_id}/ai-summary")
 async def generate_ai_summary(
     activity_id: uuid.UUID,
+    body: dict | None = None,
     rider: Rider = Depends(get_current_rider),
     session: AsyncSession = Depends(get_session),
 ):
@@ -212,16 +214,31 @@ async def generate_ai_summary(
     if not activity or activity.rider_id != rider.id:
         raise HTTPException(status_code=404, detail="Activity not found")
 
+    force = (body or {}).get("force", False)
+
     # Check for existing diary entry with summary
     query = select(DiaryEntry).where(DiaryEntry.activity_id == activity_id)
     result = await session.execute(query)
     diary = result.scalar_one_or_none()
 
-    if diary and diary.ai_summary:
+    if diary and diary.ai_summary and not force:
         return {"summary": diary.ai_summary}
 
+    # If linked to a plan, find the planned workout for comparison
+    planned_workout = None
+    if activity.training_plan_id and activity.plan_week and activity.plan_day:
+        plan = await session.get(TrainingPlan, activity.training_plan_id)
+        if plan and plan.weeks_json:
+            for week in plan.weeks_json.get("weeks", []):
+                if week.get("week_number") == activity.plan_week:
+                    for day in week.get("days", []):
+                        if day.get("day") == activity.plan_day:
+                            planned_workout = day
+                            break
+                    break
+
     # Generate new summary
-    summary = await generate_summary(activity, rider_ftp=rider.ftp)
+    summary = await generate_summary(activity, rider_ftp=rider.ftp, planned_workout=planned_workout)
 
     if diary:
         diary.ai_summary = summary

backend/app/api/rider.py

@@ -1,7 +1,7 @@
 from datetime import date, timedelta
 
 from fastapi import APIRouter, Depends
-from sqlalchemy import select, func
+from sqlalchemy import select, func, extract, cast, Date
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from backend.app.core.auth import get_current_rider
@@ -144,3 +144,402 @@ async def get_personal_records(
 
     # Sort by duration
     return sorted(records.values(), key=lambda r: r["duration"])
+
+
+@router.get("/detect-ftp")
+async def detect_ftp(
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """Auto-detect FTP from best 20min power × 0.95 across all activities."""
+    query = (
+        select(PowerCurve.curve_data, Activity.date, Activity.name, Activity.id)
+        .join(Activity, Activity.id == PowerCurve.activity_id)
+        .where(Activity.rider_id == rider.id)
+    )
+    result = await session.execute(query)
+
+    best_20min = 0
+    best_activity_id = None
+    best_activity_name = None
+    best_date = None
+
+    for row in result:
+        power_20 = row.curve_data.get("1200")  # 20 min = 1200s
+        if power_20 and power_20 > best_20min:
+            best_20min = power_20
+            best_activity_id = str(row.id)
+            best_activity_name = row.name or "Ride"
+            best_date = row.date.isoformat()
+
+    if best_20min == 0:
+        return {"detected_ftp": None, "best_20min_power": None, "message": "No 20-minute power data found"}
+
+    detected_ftp = round(best_20min * 0.95)
+    return {
+        "detected_ftp": detected_ftp,
+        "best_20min_power": best_20min,
+        "activity_id": best_activity_id,
+        "activity_name": best_activity_name,
+        "date": best_date,
+        "current_ftp": rider.ftp,
+    }
+
+
+@router.get("/activity-calendar")
+async def get_activity_calendar(
+    months: int = 12,
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """Activity heatmap data: date → TSS for the last N months."""
+    start_date = date.today() - timedelta(days=months * 30)
+    day_col = cast(Activity.date, Date).label("day")
+
+    query = (
+        select(
+            day_col,
+            func.count(Activity.id).label("count"),
+            func.sum(Activity.duration).label("duration"),
+            func.sum(ActivityMetrics.tss).label("tss"),
+        )
+        .select_from(Activity)
+        .outerjoin(ActivityMetrics, ActivityMetrics.activity_id == Activity.id)
+        .where(Activity.rider_id == rider.id)
+        .where(Activity.date >= start_date)
+        .group_by(day_col)
+        .order_by(day_col)
+    )
+    result = await session.execute(query)
+
+    return [
+        {
+            "date": row.day.isoformat(),
+            "count": row.count,
+            "duration": row.duration or 0,
+            "tss": round(float(row.tss or 0), 0),
+        }
+        for row in result
+    ]
+
+
+@router.get("/monthly-trends")
+async def get_monthly_trends(
+    months: int = 12,
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """Monthly trends: avg power, avg HR, volume, W/kg."""
+    start_date = date.today() - timedelta(days=months * 30)
+    month_col = func.date_trunc("month", Activity.date).label("month")
+
+    query = (
+        select(
+            month_col,
+            func.count(Activity.id).label("rides"),
+            func.sum(Activity.duration).label("duration"),
+            func.sum(Activity.distance).label("distance"),
+            func.avg(ActivityMetrics.avg_power).label("avg_power"),
+            func.avg(ActivityMetrics.normalized_power).label("avg_np"),
+            func.avg(ActivityMetrics.avg_hr).label("avg_hr"),
+            func.sum(ActivityMetrics.tss).label("tss"),
+        )
+        .select_from(Activity)
+        .outerjoin(ActivityMetrics, ActivityMetrics.activity_id == Activity.id)
+        .where(Activity.rider_id == rider.id)
+        .where(Activity.date >= start_date)
+        .group_by(month_col)
+        .order_by(month_col)
+    )
+    result = await session.execute(query)
+
+    weight = rider.weight
+    return [
+        {
+            "month": row.month.strftime("%Y-%m") if row.month else None,
+            "rides": row.rides,
+            "hours": round((row.duration or 0) / 3600, 1),
+            "distance_km": round(float(row.distance or 0) / 1000, 0),
+            "avg_power": round(float(row.avg_power), 0) if row.avg_power else None,
+            "avg_np": round(float(row.avg_np), 0) if row.avg_np else None,
+            "avg_hr": round(float(row.avg_hr), 0) if row.avg_hr else None,
+            "tss": round(float(row.tss or 0), 0),
+            "w_per_kg": round(float(row.avg_power) / weight, 2) if row.avg_power and weight else None,
+        }
+        for row in result
+    ]
+
+
+@router.get("/progress-summary")
+async def get_progress_summary(
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """Compare this week vs last week, this month vs last month. Current fitness state."""
+    today = date.today()
+    start_of_week = today - timedelta(days=today.weekday())  # Monday
+    last_week_start = start_of_week - timedelta(weeks=1)
+
+    start_of_month = today.replace(day=1)
+    last_month_start = (start_of_month - timedelta(days=1)).replace(day=1)
+
+    async def _period_stats(start: date, end: date):
+        query = (
+            select(
+                func.count(Activity.id).label("rides"),
+                func.sum(Activity.duration).label("duration"),
+                func.sum(Activity.distance).label("distance"),
+                func.sum(ActivityMetrics.tss).label("tss"),
+                func.avg(ActivityMetrics.avg_power).label("avg_power"),
+                func.avg(ActivityMetrics.normalized_power).label("avg_np"),
+                func.avg(ActivityMetrics.avg_hr).label("avg_hr"),
+            )
+            .select_from(Activity)
+            .outerjoin(ActivityMetrics, ActivityMetrics.activity_id == Activity.id)
+            .where(Activity.rider_id == rider.id)
+            .where(Activity.date >= start)
+            .where(Activity.date < end)
+        )
+        row = (await session.execute(query)).first()
+        if not row or row.rides == 0:
+            return {"rides": 0, "hours": 0, "distance_km": 0, "tss": 0,
+                    "avg_power": None, "avg_np": None, "avg_hr": None}
+        return {
+            "rides": row.rides,
+            "hours": round((row.duration or 0) / 3600, 1),
+            "distance_km": round(float(row.distance or 0) / 1000, 1),
+            "tss": round(float(row.tss or 0), 0),
+            "avg_power": round(float(row.avg_power), 0) if row.avg_power else None,
+            "avg_np": round(float(row.avg_np), 0) if row.avg_np else None,
+            "avg_hr": round(float(row.avg_hr), 0) if row.avg_hr else None,
+        }
+
+    this_week = await _period_stats(start_of_week, today + timedelta(days=1))
+    last_week = await _period_stats(last_week_start, start_of_week)
+    this_month = await _period_stats(start_of_month, today + timedelta(days=1))
+    last_month = await _period_stats(last_month_start, start_of_month)
+
+    # Current fitness (latest CTL/ATL/TSB)
+    from backend.app.models.fitness import FitnessHistory
+    fh_query = (
+        select(FitnessHistory)
+        .where(FitnessHistory.rider_id == rider.id)
+        .order_by(FitnessHistory.date.desc())
+        .limit(1)
+    )
+    fh = (await session.execute(fh_query)).scalar_one_or_none()
+
+    # Fitness 7 days ago for trend
+    fh_prev_query = (
+        select(FitnessHistory)
+        .where(FitnessHistory.rider_id == rider.id)
+        .where(FitnessHistory.date <= today - timedelta(days=7))
+        .order_by(FitnessHistory.date.desc())
+        .limit(1)
+    )
+    fh_prev = (await session.execute(fh_prev_query)).scalar_one_or_none()
+
+    fitness_now = {
+        "ctl": round(fh.ctl, 1) if fh else None,
+        "atl": round(fh.atl, 1) if fh else None,
+        "tsb": round(fh.tsb, 1) if fh else None,
+    }
+    fitness_prev = {
+        "ctl": round(fh_prev.ctl, 1) if fh_prev else None,
+        "atl": round(fh_prev.atl, 1) if fh_prev else None,
+        "tsb": round(fh_prev.tsb, 1) if fh_prev else None,
+    }
+
+    # Total activity count
+    total_count = (await session.execute(
+        select(func.count(Activity.id)).where(Activity.rider_id == rider.id)
+    )).scalar() or 0
+
+    # Days since last activity
+    last_act = (await session.execute(
+        select(Activity.date)
+        .where(Activity.rider_id == rider.id)
+        .order_by(Activity.date.desc())
+        .limit(1)
+    )).scalar_one_or_none()
+
+    if last_act is not None:
+        from datetime import datetime as dt_type
+        last_date = last_act.date() if isinstance(last_act, dt_type) else last_act
+        days_since_last = (today - last_date).days
+    else:
+        days_since_last = None
+
+    return {
+        "this_week": this_week,
+        "last_week": last_week,
+        "this_month": this_month,
+        "last_month": last_month,
+        "fitness": fitness_now,
+        "fitness_7d_ago": fitness_prev,
+        "total_activities": total_count,
+        "days_since_last_activity": days_since_last,
+        "ftp": rider.ftp,
+        "weight": rider.weight,
+    }
+
+
+@router.get("/ai-progress")
+async def get_ai_progress(
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """AI analysis of long-term progress with actionable recommendations."""
+    from backend.app.services.coaching import build_rider_context
+    from backend.app.services.gemini_client import chat_async
+    from backend.app.models.fitness import FitnessHistory
+
+    today = date.today()
+
+    rider_context = await build_rider_context(rider, session)
+
+    # Collect monthly stats for the last 6 months
+    lines = [rider_context, "\n--- Monthly breakdown (last 6 months) ---"]
+    for i in range(6):
+        m_start = (today.replace(day=1) - timedelta(days=30 * i)).replace(day=1)
+        m_end = (m_start + timedelta(days=32)).replace(day=1)
+        query = (
+            select(
+                func.count(Activity.id).label("rides"),
+                func.sum(Activity.duration).label("duration"),
+                func.sum(Activity.distance).label("distance"),
+                func.sum(ActivityMetrics.tss).label("tss"),
+                func.avg(ActivityMetrics.avg_power).label("avg_power"),
+                func.avg(ActivityMetrics.avg_hr).label("avg_hr"),
+            )
+            .select_from(Activity)
+            .outerjoin(ActivityMetrics, ActivityMetrics.activity_id == Activity.id)
+            .where(Activity.rider_id == rider.id)
+            .where(Activity.date >= m_start)
+            .where(Activity.date < m_end)
+        )
+        row = (await session.execute(query)).first()
+        if row and row.rides:
+            lines.append(
+                f"{m_start.strftime('%Y-%m')}: {row.rides} rides, "
+                f"{(row.duration or 0) / 3600:.1f}h, "
+                f"TSS={float(row.tss or 0):.0f}, "
+                f"AP={float(row.avg_power):.0f}W" if row.avg_power else f"{m_start.strftime('%Y-%m')}: {row.rides} rides"
+            )
+
+    # Fitness trend: sample every 7 days for last 90 days
+    fh_query = (
+        select(FitnessHistory.date, FitnessHistory.ctl, FitnessHistory.atl, FitnessHistory.tsb)
+        .where(FitnessHistory.rider_id == rider.id)
+        .where(FitnessHistory.date >= today - timedelta(days=90))
+        .order_by(FitnessHistory.date)
+    )
+    fh_rows = (await session.execute(fh_query)).all()
+    if fh_rows:
+        lines.append("\n--- Fitness trend (sampled weekly, last 90d) ---")
+        for idx, fh in enumerate(fh_rows):
+            if idx % 7 == 0 or idx == len(fh_rows) - 1:
+                lines.append(f"{fh.date}: CTL={fh.ctl:.0f} ATL={fh.atl:.0f} TSB={fh.tsb:.0f}")
+
+    system = """You are VeloBrain AI Coach performing a comprehensive progress analysis.
+
+Analyze the rider's data and produce a structured report with these sections:
+
+1. **Текущее состояние** — Current fitness level, form, fatigue. Is the rider fresh, building, overreaching?
+2. **Динамика прогресса** — How fitness, power, and volume have changed over the last months. Specific numbers and trends.
+3. **Сильные стороны** — What the rider is doing well (consistency, intensity, volume, specific power durations).
+4. **Зоны роста** — Specific weaknesses or areas for improvement. Be constructive.
+5. **Рекомендации** — 3-5 specific, actionable recommendations for the next 4 weeks. Include target numbers where possible.
+6. **Риски** — Any warning signs: overtraining, stagnation, imbalance. Only include if relevant.
+
+Be specific with numbers. Compare periods where possible.
+Keep each section 2-4 sentences.
+Respond in Russian. Use HTML formatting."""
+
+    analysis = await chat_async(
+        [{"role": "user", "text": "\n".join(lines)}],
+        system_instruction=system,
+        temperature=0.5,
+    )
+
+    return {"analysis": analysis}
+
+
+@router.get("/weekly-digest")
+async def get_weekly_digest(
+    rider: Rider = Depends(get_current_rider),
+    session: AsyncSession = Depends(get_session),
+):
+    """Get data for AI weekly digest generation."""
+    from backend.app.services.coaching import build_rider_context
+    from backend.app.services.gemini_client import chat_async
+
+    today = date.today()
+    week_start = today - timedelta(days=today.weekday() + 7)  # Last Monday
+    week_end = week_start + timedelta(days=7)
+
+    # Activities from last week
+    act_query = (
+        select(Activity, ActivityMetrics)
+        .outerjoin(ActivityMetrics, ActivityMetrics.activity_id == Activity.id)
+        .where(Activity.rider_id == rider.id)
+        .where(Activity.date >= week_start)
+        .where(Activity.date < week_end)
+        .order_by(Activity.date)
+    )
+    result = await session.execute(act_query)
+    activities = list(result.all())
+
+    if not activities:
+        return {"digest": None, "message": "No activities last week"}
+
+    # Build prompt
+    lines = [f"Weekly digest for {week_start.isoformat()} — {week_end.isoformat()}"]
+    total_duration = 0
+    total_tss = 0
+    total_distance = 0
+
+    for act, metrics in activities:
+        total_duration += act.duration
+        total_distance += act.distance or 0
+        tss = float(metrics.tss or 0) if metrics else 0
+        total_tss += tss
+        lines.append(
+            f"- {act.date.strftime('%a')}: {act.name or 'Workout'}, "
+            f"{act.duration // 60}min, "
+            f"{f'{act.distance / 1000:.1f}km, ' if act.distance else ''}"
+            f"{f'AP={metrics.avg_power:.0f}W, NP={metrics.normalized_power:.0f}W, ' if metrics and metrics.avg_power else ''}"
+            f"TSS={tss:.0f}"
+        )
+
+    lines.append(f"\nTotals: {len(activities)} workouts, {total_duration / 3600:.1f}h, "
+                 f"{total_distance / 1000:.1f}km, TSS={total_tss:.0f}")
+
+    rider_context = await build_rider_context(rider, session)
+    lines.append(f"\n--- Rider ---\n{rider_context}")
+
+    system = """You are VeloBrain AI Coach generating a weekly training digest.
+Provide a concise summary with these sections:
+1. **Итоги недели** — what was done, key numbers
+2. **Что получилось хорошо** — highlights, PRs, consistency
+3. **На что обратить внимание** — areas for improvement, recovery needs
+4. **Рекомендации на следующую неделю** — specific actionable advice
+
+Keep it 8-12 sentences total. Be specific with numbers.
+Respond in Russian. Use HTML formatting."""
+
+    digest = await chat_async(
+        [{"role": "user", "text": "\n".join(lines)}],
+        system_instruction=system,
+        temperature=0.5,
+    )
+
+    return {
+        "digest": digest,
+        "week_start": week_start.isoformat(),
+        "week_end": week_end.isoformat(),
+        "total_activities": len(activities),
+        "total_hours": round(total_duration / 3600, 1),
+        "total_tss": round(total_tss, 0),
+        "total_distance_km": round(total_distance / 1000, 1),
+    }

backend/app/services/ai_summary.py

@@ -10,11 +10,32 @@ Be specific with numbers. Use a friendly, coaching tone.
 Respond in Russian.
 Use a HTML text formatting."""
 
+SYSTEM_PROMPT_WITH_PLAN = """You are VeloBrain, an AI cycling coach.
+The athlete completed a workout that was part of their training plan.
 
-def _build_activity_prompt(activity: Activity, rider_ftp: float | None = None) -> str:
+Your analysis MUST include two sections:
+
+1. **Анализ тренировки** — General performance summary (2-3 sentences): highlights, pacing, training effect.
+2. **Соответствие плану** — How well the actual workout matched the planned workout (2-4 sentences). Compare:
+   - Actual duration vs planned duration
+   - Actual intensity (IF, TSS, avg power) vs planned targets
+   - Workout type match (was it the right type of effort?)
+   - Give a compliance verdict: fully matched / partially matched / deviated significantly
+   - If deviated, explain what was different and whether the deviation was acceptable or needs attention.
+
+Be specific with numbers. Use a friendly, coaching tone.
+Respond in Russian.
+Use HTML text formatting."""
+
+
+def _build_activity_prompt(
+    activity: Activity,
+    rider_ftp: float | None = None,
+    planned_workout: dict | None = None,
+) -> str:
     m: ActivityMetrics | None = activity.metrics
     lines = [
-        f"Activity: {activity.name or 'Ride'}",
+        f"Activity: {activity.name or 'Workout'}",
         f"Type: {activity.activity_type}",
         f"Duration: {activity.duration // 3600}h {(activity.duration % 3600) // 60}m",
     ]
@@ -41,10 +62,25 @@ def _build_activity_prompt(activity: Activity, rider_ftp: float | None = None) -
             lines.append(f"Max HR: {m.max_hr} bpm")
         if m.avg_cadence:
             lines.append(f"Avg Cadence: {m.avg_cadence} rpm")
+        if m.calories:
+            lines.append(f"Calories: {m.calories} kcal")
 
     if rider_ftp:
         lines.append(f"Rider FTP: {rider_ftp:.0f} W")
 
+    # Exercise sets for strength workouts
+    if activity.exercise_sets:
+        lines.append(f"\nExercise sets ({len(activity.exercise_sets)} total):")
+        for s in activity.exercise_sets:
+            parts = [s.get("exercise_name", "Unknown")]
+            if s.get("repetitions"):
+                parts.append(f"{s['repetitions']} reps")
+            if s.get("weight"):
+                parts.append(f"{s['weight']} kg")
+            if s.get("duration") and not s.get("repetitions"):
+                parts.append(f"{s['duration']:.0f}s")
+            lines.append(f"  - {' / '.join(parts)}")
+
     intervals = activity.intervals or []
     work_intervals = [i for i in intervals if i.interval_type == "work"]
     if work_intervals:
@@ -53,10 +89,29 @@ def _build_activity_prompt(activity: Activity, rider_ftp: float | None = None) -
         if powers:
             lines.append(f"Interval avg powers: {', '.join(f'{p:.0f}W' for p in powers)}")
 
+    # Planned workout from training plan
+    if planned_workout:
+        lines.append("\n--- PLANNED WORKOUT ---")
+        lines.append(f"Planned type: {planned_workout.get('workout_type', '?')}")
+        lines.append(f"Planned title: {planned_workout.get('title', '?')}")
+        if planned_workout.get("description"):
+            lines.append(f"Planned description: {planned_workout['description']}")
+        if planned_workout.get("duration_minutes"):
+            lines.append(f"Planned duration: {planned_workout['duration_minutes']} min")
+        if planned_workout.get("target_tss"):
+            lines.append(f"Planned TSS: {planned_workout['target_tss']}")
+        if planned_workout.get("target_if"):
+            lines.append(f"Planned IF: {planned_workout['target_if']}")
+
     return "\n".join(lines)
 
 
-async def generate_summary(activity: Activity, rider_ftp: float | None = None) -> str:
+async def generate_summary(
-    prompt = _build_activity_prompt(activity, rider_ftp)
+    activity: Activity,
+    rider_ftp: float | None = None,
+    planned_workout: dict | None = None,
+) -> str:
+    prompt = _build_activity_prompt(activity, rider_ftp, planned_workout)
     messages = [{"role": "user", "text": prompt}]
-    return await chat_async(messages, system_instruction=SYSTEM_PROMPT, temperature=0.5)
+    system = SYSTEM_PROMPT_WITH_PLAN if planned_workout else SYSTEM_PROMPT
+    return await chat_async(messages, system_instruction=system, temperature=0.5)

frontend/src/stores/activities.ts

@@ -1,7 +1,7 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
 import { useApi } from '../composables/useApi'
-import type { Activity, DataPoint, ZonesResponse, PowerCurveResponse, FitnessEntry, DiaryEntry, WeeklyStats, PersonalRecord } from '../types/models'
+import type { Activity, DataPoint, ZonesResponse, PowerCurveResponse, FitnessEntry, DiaryEntry, WeeklyStats, PersonalRecord, CalendarDay, MonthlyTrend, FtpDetection, WeeklyDigest, ProgressSummary } from '../types/models'
 
 export const useActivitiesStore = defineStore('activities', () => {
   const { api } = useApi()
@@ -49,8 +49,8 @@ export const useActivitiesStore = defineStore('activities', () => {
     return data
   }
 
-  async function fetchAiSummary(id: string): Promise<string> {
+  async function fetchAiSummary(id: string, force = false): Promise<string> {
-    const { data } = await api.post<{ summary: string }>(`/activities/${id}/ai-summary`)
+    const { data } = await api.post<{ summary: string }>(`/activities/${id}/ai-summary`, { force })
     return data.summary
   }
 
@@ -85,5 +85,35 @@ export const useActivitiesStore = defineStore('activities', () => {
     return data
   }
 
-  return { activities, total, loading, fetchActivities, fetchActivity, fetchStream, fetchZones, fetchPowerCurve, uploadFit, fetchAiSummary, fetchFitness, deleteActivity, fetchDiary, updateDiary, fetchWeeklyStats, fetchPersonalRecords }
+  async function fetchActivityCalendar(months = 12): Promise<CalendarDay[]> {
+    const { data } = await api.get<CalendarDay[]>('/rider/activity-calendar', { params: { months } })
+    return data
+  }
+
+  async function fetchMonthlyTrends(months = 12): Promise<MonthlyTrend[]> {
+    const { data } = await api.get<MonthlyTrend[]>('/rider/monthly-trends', { params: { months } })
+    return data
+  }
+
+  async function detectFtp(): Promise<FtpDetection> {
+    const { data } = await api.get<FtpDetection>('/rider/detect-ftp')
+    return data
+  }
+
+  async function fetchWeeklyDigest(): Promise<WeeklyDigest> {
+    const { data } = await api.get<WeeklyDigest>('/rider/weekly-digest')
+    return data
+  }
+
+  async function fetchProgressSummary(): Promise<ProgressSummary> {
+    const { data } = await api.get<ProgressSummary>('/rider/progress-summary')
+    return data
+  }
+
+  async function fetchAiProgress(): Promise<string> {
+    const { data } = await api.get<{ analysis: string }>('/rider/ai-progress')
+    return data.analysis
+  }
+
+  return { activities, total, loading, fetchActivities, fetchActivity, fetchStream, fetchZones, fetchPowerCurve, uploadFit, fetchAiSummary, fetchFitness, deleteActivity, fetchDiary, updateDiary, fetchWeeklyStats, fetchPersonalRecords, fetchActivityCalendar, fetchMonthlyTrends, detectFtp, fetchWeeklyDigest, fetchProgressSummary, fetchAiProgress }
 })

frontend/src/types/models.ts

@@ -208,6 +208,75 @@ export interface ComplianceWeek {
   days: ComplianceDayStatus[]
 }
 
+export interface CalendarDay {
+  date: string
+  count: number
+  duration: number
+  tss: number
+}
+
+export interface MonthlyTrend {
+  month: string
+  rides: number
+  hours: number
+  distance_km: number
+  avg_power: number | null
+  avg_np: number | null
+  avg_hr: number | null
+  tss: number
+  w_per_kg: number | null
+}
+
+export interface FtpDetection {
+  detected_ftp: number | null
+  best_20min_power: number | null
+  activity_id: string | null
+  activity_name: string | null
+  date: string | null
+  current_ftp: number | null
+  message?: string
+}
+
+export interface WeeklyDigest {
+  digest: string | null
+  message?: string
+  week_start: string
+  week_end: string
+  total_activities: number
+  total_hours: number
+  total_tss: number
+  total_distance_km: number
+}
+
+export interface PeriodStats {
+  rides: number
+  hours: number
+  distance_km: number
+  tss: number
+  avg_power: number | null
+  avg_np: number | null
+  avg_hr: number | null
+}
+
+export interface FitnessSnapshot {
+  ctl: number | null
+  atl: number | null
+  tsb: number | null
+}
+
+export interface ProgressSummary {
+  this_week: PeriodStats
+  last_week: PeriodStats
+  this_month: PeriodStats
+  last_month: PeriodStats
+  fitness: FitnessSnapshot
+  fitness_7d_ago: FitnessSnapshot
+  total_activities: number
+  days_since_last_activity: number | null
+  ftp: number | null
+  weight: number | null
+}
+
 export interface TodayWorkout {
   plan_id: string
   plan_goal: string

frontend/src/views/ActivityDetailView.vue

@@ -2,7 +2,8 @@
 import { onMounted, ref, computed, nextTick } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useActivitiesStore } from '../stores/activities'
-import type { Activity, DataPoint, ZonesResponse, PowerCurveResponse, DiaryEntry } from '../types/models'
+import { useCoachingStore } from '../stores/coaching'
+import type { Activity, DataPoint, ZonesResponse, PowerCurveResponse, DiaryEntry, TrainingPlan } from '../types/models'
 import Card from 'primevue/card'
 import Tag from 'primevue/tag'
 import DataTable from 'primevue/datatable'
@@ -27,6 +28,7 @@ use([CanvasRenderer, LineChart, BarChart, TitleComponent, TooltipComponent, Lege
 const route = useRoute()
 const router = useRouter()
 const store = useActivitiesStore()
+const coaching = useCoachingStore()
 
 const activity = ref<Activity | null>(null)
 const stream = ref<DataPoint[]>([])
@@ -41,6 +43,62 @@ const diary = ref<DiaryEntry>({ rider_notes: null, mood: null, rpe: null, sleep_
 const diarySaving = ref(false)
 const diarySaved = ref(false)
 
+// Plan linking
+const activePlan = ref<TrainingPlan | null>(null)
+const linkMenuOpen = ref(false)
+const linking = ref(false)
+
+const planDayOptions = computed(() => {
+  if (!activePlan.value?.weeks) return []
+  const options: { label: string; week: number; day: string }[] = []
+  for (const week of activePlan.value.weeks) {
+    for (const d of week.days) {
+      if (d.workout_type === 'rest') continue
+      options.push({
+        label: `Нед. ${week.week_number}, ${dayLabelMap[d.day] || d.day} — ${d.title || d.workout_type}`,
+        week: week.week_number,
+        day: d.day,
+      })
+    }
+  }
+  return options
+})
+
+const dayLabelMap: Record<string, string> = {
+  monday: 'Пн', tuesday: 'Вт', wednesday: 'Ср', thursday: 'Чт',
+  friday: 'Пт', saturday: 'Сб', sunday: 'Вс',
+}
+
+async function linkToPlan(option: { week: number; day: string }) {
+  if (!activity.value || !activePlan.value) return
+  linking.value = true
+  try {
+    await coaching.linkActivity(activity.value.id, activePlan.value.id, option.week, option.day)
+    activity.value.training_plan_id = activePlan.value.id
+    activity.value.plan_week = option.week
+    activity.value.plan_day = option.day
+    linkMenuOpen.value = false
+    // Clear cached summary so re-generation picks up plan context
+    aiSummary.value = ''
+  } finally {
+    linking.value = false
+  }
+}
+
+async function unlinkFromPlan() {
+  if (!activity.value) return
+  linking.value = true
+  try {
+    await coaching.unlinkActivity(activity.value.id)
+    activity.value.training_plan_id = null
+    activity.value.plan_week = null
+    activity.value.plan_day = null
+    aiSummary.value = ''
+  } finally {
+    linking.value = false
+  }
+}
+
 const moods = [
   { label: 'Great', value: 'great' },
   { label: 'Good', value: 'good' },
@@ -281,6 +339,19 @@ async function loadAiSummary() {
   }
 }
 
+async function regenerateSummary() {
+  if (!activity.value) return
+  aiLoading.value = true
+  aiSummary.value = ''
+  try {
+    aiSummary.value = await store.fetchAiSummary(activity.value.id, true)
+  } catch {
+    aiSummary.value = 'Failed to generate summary. Check your Gemini API key.'
+  } finally {
+    aiLoading.value = false
+  }
+}
+
 async function saveDiary() {
   if (!activity.value) return
   diarySaving.value = true
@@ -301,6 +372,114 @@ async function handleDelete() {
   router.push({ name: 'activities' })
 }
 
+async function shareActivity() {
+  if (!activity.value) return
+  const a = activity.value
+  const m = a.metrics
+
+  const canvas = document.createElement('canvas')
+  const W = 800, H = 420
+  canvas.width = W
+  canvas.height = H
+  const ctx = canvas.getContext('2d')!
+
+  // Background gradient
+  const grad = ctx.createLinearGradient(0, 0, W, H)
+  grad.addColorStop(0, '#0f172a')
+  grad.addColorStop(1, '#1e3a5f')
+  ctx.fillStyle = grad
+  ctx.fillRect(0, 0, W, H)
+
+  // Accent line
+  ctx.fillStyle = '#3b82f6'
+  ctx.fillRect(0, 0, W, 4)
+
+  // Title
+  ctx.fillStyle = '#ffffff'
+  ctx.font = 'bold 28px system-ui, -apple-system, sans-serif'
+  ctx.fillText(a.name || 'Ride', 40, 60)
+
+  // Date & type
+  ctx.fillStyle = '#94a3b8'
+  ctx.font = '16px system-ui, -apple-system, sans-serif'
+  const dateStr = new Date(a.date).toLocaleDateString('en-GB', { day: 'numeric', month: 'long', year: 'numeric' })
+  ctx.fillText(`${dateStr}  •  ${a.activity_type}`, 40, 90)
+
+  // Metrics grid
+  const metrics: { label: string; value: string; unit: string }[] = []
+  metrics.push({ label: 'Duration', value: formatDuration(a.duration), unit: '' })
+  if (a.distance) metrics.push({ label: 'Distance', value: (a.distance / 1000).toFixed(1), unit: 'km' })
+  if (a.elevation_gain) metrics.push({ label: 'Elevation', value: `${a.elevation_gain.toFixed(0)}`, unit: 'm' })
+  if (m?.avg_power) metrics.push({ label: 'Avg Power', value: `${m.avg_power}`, unit: 'W' })
+  if (m?.normalized_power) metrics.push({ label: 'NP', value: `${m.normalized_power}`, unit: 'W' })
+  if (m?.tss) metrics.push({ label: 'TSS', value: `${m.tss}`, unit: '' })
+  if (m?.intensity_factor) metrics.push({ label: 'IF', value: `${m.intensity_factor}`, unit: '' })
+  if (m?.avg_hr) metrics.push({ label: 'Avg HR', value: `${m.avg_hr}`, unit: 'bpm' })
+
+  const cols = Math.min(metrics.length, 4)
+  const boxW = (W - 80) / cols
+  const startY = 130
+
+  metrics.forEach((item, i) => {
+    const row = Math.floor(i / cols)
+    const col = i % cols
+    const x = 40 + col * boxW
+    const y = startY + row * 110
+
+    // Box background
+    ctx.fillStyle = 'rgba(255,255,255,0.06)'
+    ctx.beginPath()
+    ctx.roundRect(x, y, boxW - 12, 90, 10)
+    ctx.fill()
+
+    // Label
+    ctx.fillStyle = '#94a3b8'
+    ctx.font = '12px system-ui, -apple-system, sans-serif'
+    ctx.fillText(item.label.toUpperCase(), x + 14, y + 28)
+
+    // Value
+    ctx.fillStyle = '#ffffff'
+    ctx.font = 'bold 28px system-ui, -apple-system, sans-serif'
+    ctx.fillText(item.value, x + 14, y + 62)
+
+    // Unit
+    if (item.unit) {
+      const valWidth = ctx.measureText(item.value).width
+      ctx.fillStyle = '#64748b'
+      ctx.font = '14px system-ui, -apple-system, sans-serif'
+      ctx.fillText(item.unit, x + 14 + valWidth + 4, y + 62)
+    }
+  })
+
+  // Branding
+  ctx.fillStyle = '#475569'
+  ctx.font = '14px system-ui, -apple-system, sans-serif'
+  ctx.fillText('VeloBrain', 40, H - 30)
+  ctx.fillStyle = '#334155'
+  ctx.fillText('velobrain.app', W - 140, H - 30)
+
+  // Export
+  canvas.toBlob(async (blob) => {
+    if (!blob) return
+    if (navigator.share && navigator.canShare?.({ files: [new File([blob], 'activity.png', { type: 'image/png' })] })) {
+      try {
+        await navigator.share({
+          title: a.name || 'My Ride',
+          files: [new File([blob], 'activity.png', { type: 'image/png' })],
+        })
+        return
+      } catch { /* fallback to download */ }
+    }
+    // Fallback: download
+    const url = URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = `${(a.name || 'activity').replace(/\s+/g, '_')}.png`
+    link.click()
+    URL.revokeObjectURL(url)
+  }, 'image/png')
+}
+
 onMounted(async () => {
   const id = route.params.id as string
   try {
@@ -320,6 +499,11 @@ onMounted(async () => {
     loading.value = false
   }
 
+  // Load active plan for linking
+  try {
+    activePlan.value = await coaching.fetchActivePlan()
+  } catch { /* no plan */ }
+
   // Init map after loading=false triggers DOM render of #route-map
   if (stream.value.some(dp => dp.latitude && dp.longitude)) {
     await nextTick()
@@ -341,7 +525,10 @@ onMounted(async () => {
           <h1 class="text-2xl font-semibold">{{ activity.name || 'Ride' }}</h1>
           <Tag :value="activity.activity_type" severity="info" />
         </div>
-        <Button icon="pi pi-trash" severity="danger" text rounded size="small" @click="handleDelete" />
+        <div class="flex items-center gap-2">
+          <Button icon="pi pi-share-alt" severity="secondary" text rounded size="small" title="Share activity card" @click="shareActivity" />
+          <Button icon="pi pi-trash" severity="danger" text rounded size="small" @click="handleDelete" />
+        </div>
       </div>
 
       <!-- Key metrics -->
@@ -431,22 +618,78 @@ onMounted(async () => {
         </template>
       </Card>
 
+      <!-- Plan link -->
+      <Card v-if="activity.training_plan_id" class="mb-4 bg-blue-50 border-blue-200">
+        <template #content>
+          <div class="flex items-center justify-between">
+            <div class="flex items-center gap-3">
+              <i class="pi pi-calendar-check text-blue-500 text-lg"></i>
+              <div>
+                <p class="font-semibold text-blue-800 text-sm">Тренировка по плану</p>
+                <p class="text-blue-600 text-xs">Неделя {{ activity.plan_week }}, {{ dayLabelMap[activity.plan_day || ''] || activity.plan_day }}</p>
+              </div>
+            </div>
+            <Button icon="pi pi-times" text rounded severity="secondary" size="small" :loading="linking" @click="unlinkFromPlan" title="Отвязать от плана" />
+          </div>
+        </template>
+      </Card>
+
+      <Card v-else-if="activePlan" class="mb-4">
+        <template #content>
+          <div v-if="!linkMenuOpen" class="flex items-center justify-between">
+            <div class="flex items-center gap-3">
+              <i class="pi pi-link text-surface-400 text-lg"></i>
+              <p class="text-surface-500 text-sm">Активность не привязана к тренировочному плану</p>
+            </div>
+            <Button label="Привязать к плану" icon="pi pi-calendar-plus" size="small" severity="secondary" outlined @click="linkMenuOpen = true" />
+          </div>
+          <div v-else>
+            <div class="flex items-center justify-between mb-3">
+              <p class="font-semibold text-sm">Выберите тренировку из плана</p>
+              <Button icon="pi pi-times" text rounded severity="secondary" size="small" @click="linkMenuOpen = false" />
+            </div>
+            <div class="flex flex-col gap-1 max-h-60 overflow-y-auto">
+              <button
+                v-for="opt in planDayOptions"
+                :key="`${opt.week}-${opt.day}`"
+                class="text-left px-3 py-2 rounded-lg hover:bg-primary/10 text-sm transition-colors border border-transparent hover:border-primary/20"
+                :disabled="linking"
+                @click="linkToPlan(opt)"
+              >
+                {{ opt.label }}
+              </button>
+              <p v-if="planDayOptions.length === 0" class="text-surface-400 text-sm px-3 py-2">Нет доступных тренировок в плане</p>
+            </div>
+          </div>
+        </template>
+      </Card>
+
       <!-- AI Summary -->
       <Card class="mb-6">
         <template #title>
-          <div class="flex items-center gap-2">
+          <div class="flex items-center justify-between">
-            <i class="pi pi-sparkles text-primary"></i>
+            <div class="flex items-center gap-2">
-            AI Coach Summary
+              <i class="pi pi-sparkles text-primary"></i>
+              {{ activity.training_plan_id ? 'AI Анализ и соответствие плану' : 'AI Coach Summary' }}
+            </div>
+            <Button v-if="aiSummary" icon="pi pi-refresh" text rounded severity="secondary" size="small" @click="regenerateSummary" :loading="aiLoading" />
           </div>
         </template>
         <template #content>
           <div v-if="aiSummary" v-html="aiSummary" class="text-surface-700 leading-relaxed whitespace-pre-line"></div>
           <div v-else-if="aiLoading" class="flex items-center gap-3">
             <ProgressSpinner style="width: 20px; height: 20px" />
-            <span class="text-surface-500 text-sm">Analyzing your ride...</span>
+            <span class="text-surface-500 text-sm">{{ activity.training_plan_id ? 'Анализирую соответствие плану...' : 'Analyzing your ride...' }}</span>
           </div>
           <div v-else>
-            <Button label="Generate AI Analysis" icon="pi pi-sparkles" severity="secondary" outlined size="small" @click="loadAiSummary" />
+            <Button
+              :label="activity.training_plan_id ? 'Анализировать выполнение плана' : 'Generate AI Analysis'"
+              icon="pi pi-sparkles"
+              severity="secondary"
+              outlined
+              size="small"
+              @click="loadAiSummary"
+            />
           </div>
         </template>
       </Card>

frontend/src/views/CoachView.vue

@@ -141,6 +141,7 @@ onMounted(async () => {
       await coaching.fetchTodayWorkout()
 
       if (plan.value) {
+        activeTab.value = 'plan'
         await loadCompliance()
       }
 

frontend/src/views/DashboardView.vue

@@ -3,19 +3,20 @@ import { onMounted, computed, ref } from 'vue'
 import { useAuthStore } from '../stores/auth'
 import { useActivitiesStore } from '../stores/activities'
 import { useCoachingStore } from '../stores/coaching'
-import type { FitnessEntry, WeeklyStats, PersonalRecord, TodayWorkout } from '../types/models'
+import type { FitnessEntry, WeeklyStats, PersonalRecord, TodayWorkout, CalendarDay, MonthlyTrend, WeeklyDigest, ProgressSummary } from '../types/models'
 import Card from 'primevue/card'
 import Tag from 'primevue/tag'
+import Button from 'primevue/button'
 import { useRouter } from 'vue-router'
 import { use } from 'echarts/core'
 import { CanvasRenderer } from 'echarts/renderers'
-import { LineChart, BarChart } from 'echarts/charts'
+import { LineChart, BarChart, HeatmapChart, GaugeChart } from 'echarts/charts'
 import {
-  TooltipComponent, LegendComponent, GridComponent,
+  TooltipComponent, LegendComponent, GridComponent, VisualMapComponent, CalendarComponent,
 } from 'echarts/components'
 import VChart from 'vue-echarts'
 
-use([CanvasRenderer, LineChart, BarChart, TooltipComponent, LegendComponent, GridComponent])
+use([CanvasRenderer, LineChart, BarChart, HeatmapChart, GaugeChart, TooltipComponent, LegendComponent, GridComponent, VisualMapComponent, CalendarComponent])
 
 const auth = useAuthStore()
 const store = useActivitiesStore()
@@ -27,6 +28,44 @@ const fitness = ref<FitnessEntry[]>([])
 const weeklyStats = ref<WeeklyStats[]>([])
 const records = ref<PersonalRecord[]>([])
 const todayWorkout = ref<TodayWorkout | null>(null)
+const calendarDays = ref<CalendarDay[]>([])
+const monthlyTrends = ref<MonthlyTrend[]>([])
+const weeklyDigest = ref<WeeklyDigest | null>(null)
+const digestLoading = ref(false)
+const progress = ref<ProgressSummary | null>(null)
+const aiProgress = ref('')
+const aiProgressLoading = ref(false)
+
+// Delta helpers
+function delta(current: number | null | undefined, previous: number | null | undefined): number | null {
+  if (current == null || previous == null) return null
+  return current - previous
+}
+
+function deltaPercent(current: number | null | undefined, previous: number | null | undefined): number | null {
+  if (current == null || previous == null || previous === 0) return null
+  return Math.round(((current - previous) / previous) * 100)
+}
+
+function trendClass(d: number | null, inverted = false): string {
+  if (d == null || d === 0) return 'text-surface-400'
+  const positive = inverted ? d < 0 : d > 0
+  return positive ? 'text-green-600' : 'text-red-500'
+}
+
+function trendIcon(d: number | null): string {
+  if (d == null || d === 0) return ''
+  return d > 0 ? 'pi pi-arrow-up' : 'pi pi-arrow-down'
+}
+
+function fitnessZoneLabel(tsb: number | null): { label: string; color: string; description: string } {
+  if (tsb == null) return { label: '—', color: 'text-surface-400', description: '' }
+  if (tsb > 25) return { label: 'Восстановлен', color: 'text-emerald-600', description: 'Высокая свежесть, готовность к интенсивной работе' }
+  if (tsb > 5) return { label: 'Свежий', color: 'text-green-600', description: 'Хорошая форма для качественных тренировок' }
+  if (tsb > -10) return { label: 'Оптимально', color: 'text-blue-600', description: 'Баланс нагрузки и восстановления' }
+  if (tsb > -25) return { label: 'Устал', color: 'text-amber-600', description: 'Накопленная усталость, следите за восстановлением' }
+  return { label: 'Перегрузка', color: 'text-red-600', description: 'Высокий риск перетренированности' }
+}
 
 function formatDurationLabel(seconds: number): string {
   if (seconds < 60) return `${seconds}s`
@@ -46,9 +85,11 @@ function formatDistance(meters: number | null): string {
 }
 
 function formatDate(iso: string): string {
-  return new Date(iso).toLocaleDateString('en-GB', { day: 'numeric', month: 'short', year: 'numeric' })
+  return new Date(iso).toLocaleDateString('ru-RU', { day: 'numeric', month: 'short' })
 }
 
+// Charts
+
 function buildFitnessChart() {
   if (fitness.value.length === 0) return null
 
@@ -67,7 +108,7 @@ function buildFitnessChart() {
           params.map((p: any) => `${p.marker} ${p.seriesName}: <b>${p.value.toFixed(1)}</b>`).join('<br/>')
       },
     },
-    legend: { data: ['Fitness (CTL)', 'Fatigue (ATL)', 'Form (TSB)'], top: 0, textStyle: { color: '#6b7280', fontSize: 11 } },
+    legend: { data: ['Фитнес (CTL)', 'Усталость (ATL)', 'Форма (TSB)'], top: 0, textStyle: { color: '#6b7280', fontSize: 11 } },
     grid: { left: 40, right: 20, top: 40, bottom: 30 },
     xAxis: {
       type: 'category',
@@ -77,10 +118,10 @@ function buildFitnessChart() {
     },
     yAxis: { type: 'value', axisLabel: { color: '#6b7280' }, splitLine: { lineStyle: { color: '#e5e7eb' } } },
     series: [
-      { name: 'Fitness (CTL)', type: 'line', data: ctlData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#3b82f6' } },
+      { name: 'Фитнес (CTL)', type: 'line', data: ctlData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#3b82f6' } },
-      { name: 'Fatigue (ATL)', type: 'line', data: atlData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#ef4444' } },
+      { name: 'Усталость (ATL)', type: 'line', data: atlData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#ef4444' } },
       {
-        name: 'Form (TSB)', type: 'line', data: tsbData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#10b981' },
+        name: 'Форма (TSB)', type: 'line', data: tsbData, showSymbol: false, lineStyle: { width: 2 }, itemStyle: { color: '#10b981' },
         areaStyle: {
           color: {
             type: 'linear', x: 0, y: 0, x2: 0, y2: 1,
@@ -111,11 +152,11 @@ function buildWeeklyChart() {
       trigger: 'axis',
       formatter: (params: any) => {
         const week = params[0].name
-        return `<b>Week of ${week}</b><br/>` +
+        return `<b>Неделя ${week}</b><br/>` +
           params.map((p: any) => `${p.marker} ${p.seriesName}: <b>${p.value}</b>`).join('<br/>')
       },
     },
-    legend: { data: ['Distance (km)', 'TSS', 'Hours'], top: 0, textStyle: { color: '#6b7280', fontSize: 11 } },
+    legend: { data: ['Дистанция (км)', 'TSS', 'Часы'], top: 0, textStyle: { color: '#6b7280', fontSize: 11 } },
     grid: { left: 40, right: 40, top: 40, bottom: 30 },
     xAxis: { type: 'category', data: weeks, axisLabel: { color: '#6b7280', fontSize: 10 } },
     yAxis: [
@@ -124,7 +165,7 @@ function buildWeeklyChart() {
     ],
     series: [
       {
-        name: 'Distance (km)', type: 'bar', data: weeklyStats.value.map(w => w.distance),
+        name: 'Дистанция (км)', type: 'bar', data: weeklyStats.value.map(w => w.distance),
         itemStyle: { color: '#3b82f6', borderRadius: [4, 4, 0, 0] }, barMaxWidth: 30,
       },
       {
@@ -132,7 +173,7 @@ function buildWeeklyChart() {
         itemStyle: { color: '#a855f7', borderRadius: [4, 4, 0, 0] }, barMaxWidth: 30,
       },
       {
-        name: 'Hours', type: 'line', yAxisIndex: 1,
+        name: 'Часы', type: 'line', yAxisIndex: 1,
         data: weeklyStats.value.map(w => +(w.duration / 3600).toFixed(1)),
         showSymbol: true, symbolSize: 6, itemStyle: { color: '#10b981' }, lineStyle: { width: 2 },
       },
@@ -140,28 +181,146 @@ function buildWeeklyChart() {
   }
 }
 
+function buildCalendarChart() {
+  if (calendarDays.value.length === 0) return null
+
+  const now = new Date()
+  const yearAgo = new Date(now)
+  yearAgo.setFullYear(yearAgo.getFullYear() - 1)
+  const rangeStart = yearAgo.toISOString().slice(0, 10)
+  const rangeEnd = now.toISOString().slice(0, 10)
+
+  const data = calendarDays.value.map(d => [d.date, d.tss || d.count])
+  const maxVal = Math.max(...data.map(d => d[1] as number), 1)
+
+  return {
+    backgroundColor: 'transparent',
+    tooltip: {
+      formatter: (params: any) => {
+        const d = calendarDays.value.find(c => c.date === params.data[0])
+        if (!d) return params.data[0]
+        return `<b>${params.data[0]}</b><br/>Тренировок: ${d.count}<br/>Время: ${Math.round(d.duration / 60)} мин<br/>TSS: ${d.tss}`
+      },
+    },
+    visualMap: {
+      min: 0,
+      max: maxVal,
+      show: false,
+      inRange: { color: ['#ebedf0', '#9be9a8', '#40c463', '#30a14e', '#216e39'] },
+    },
+    calendar: {
+      range: [rangeStart, rangeEnd],
+      cellSize: [13, 13],
+      top: 30,
+      left: 40,
+      right: 10,
+      itemStyle: { borderWidth: 2, borderColor: '#fff', borderRadius: 2 },
+      yearLabel: { show: false },
+      monthLabel: { color: '#6b7280', fontSize: 10 },
+      dayLabel: { color: '#6b7280', fontSize: 9, firstDay: 1, nameMap: ['Вс', 'Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб'] },
+      splitLine: { show: false },
+    },
+    series: [{
+      type: 'heatmap',
+      coordinateSystem: 'calendar',
+      data,
+    }],
+  }
+}
+
+function buildMonthlyTrendsChart() {
+  if (monthlyTrends.value.length === 0) return null
+
+  const months = monthlyTrends.value.map(m => m.month)
+
+  return {
+    backgroundColor: 'transparent',
+    tooltip: {
+      trigger: 'axis',
+      formatter: (params: any) => {
+        const month = params[0].name
+        return `<b>${month}</b><br/>` +
+          params.map((p: any) => `${p.marker} ${p.seriesName}: <b>${p.value ?? '—'}</b>`).join('<br/>')
+      },
+    },
+    legend: { data: ['Средняя мощность (W)', 'Средний пульс', 'W/kg', 'Часы'], top: 0, textStyle: { color: '#6b7280', fontSize: 11 } },
+    grid: { left: 50, right: 50, top: 40, bottom: 30 },
+    xAxis: { type: 'category', data: months, axisLabel: { color: '#6b7280', fontSize: 10 } },
+    yAxis: [
+      { type: 'value', name: 'W / bpm', axisLabel: { color: '#6b7280' }, splitLine: { lineStyle: { color: '#e5e7eb' } } },
+      { type: 'value', name: 'W/kg / ч', axisLabel: { color: '#6b7280' }, splitLine: { show: false } },
+    ],
+    series: [
+      {
+        name: 'Средняя мощность (W)', type: 'line', data: monthlyTrends.value.map(m => m.avg_power),
+        showSymbol: true, symbolSize: 6, itemStyle: { color: '#3b82f6' }, lineStyle: { width: 2 },
+        connectNulls: true,
+      },
+      {
+        name: 'Средний пульс', type: 'line', data: monthlyTrends.value.map(m => m.avg_hr),
+        showSymbol: true, symbolSize: 6, itemStyle: { color: '#ef4444' }, lineStyle: { width: 2 },
+        connectNulls: true,
+      },
+      {
+        name: 'W/kg', type: 'line', yAxisIndex: 1, data: monthlyTrends.value.map(m => m.w_per_kg),
+        showSymbol: true, symbolSize: 6, itemStyle: { color: '#10b981' }, lineStyle: { width: 2 },
+        connectNulls: true,
+      },
+      {
+        name: 'Часы', type: 'bar', yAxisIndex: 1, data: monthlyTrends.value.map(m => m.hours),
+        itemStyle: { color: 'rgba(168,85,247,0.3)', borderRadius: [4, 4, 0, 0] }, barMaxWidth: 25,
+      },
+    ],
+  }
+}
+
+async function loadDigest() {
+  digestLoading.value = true
+  try {
+    weeklyDigest.value = await store.fetchWeeklyDigest()
+  } catch {
+    // digest not available
+  } finally {
+    digestLoading.value = false
+  }
+}
+
+async function loadAiProgress() {
+  aiProgressLoading.value = true
+  try {
+    aiProgress.value = await store.fetchAiProgress()
+  } catch {
+    aiProgress.value = ''
+  } finally {
+    aiProgressLoading.value = false
+  }
+}
+
+const fitnessZone = computed(() => fitnessZoneLabel(progress.value?.fitness?.tsb ?? null))
+
+const weekVsWeekTss = computed(() => deltaPercent(progress.value?.this_week?.tss, progress.value?.last_week?.tss))
+const weekVsWeekHours = computed(() => deltaPercent(progress.value?.this_week?.hours, progress.value?.last_week?.hours))
+const monthVsMonthTss = computed(() => deltaPercent(progress.value?.this_month?.tss, progress.value?.last_month?.tss))
+const monthVsMonthPower = computed(() => delta(progress.value?.this_month?.avg_power, progress.value?.last_month?.avg_power))
+const ctlDelta = computed(() => delta(progress.value?.fitness?.ctl, progress.value?.fitness_7d_ago?.ctl))
+
 onMounted(async () => {
-  store.fetchActivities(5)
+  // Load everything in parallel
-  try {
+  const promises: Promise<any>[] = [
-    fitness.value = await store.fetchFitness(90)
+    store.fetchActivities(5),
-  } catch {
+  ]
-    // Fitness data may not be available yet
+
-  }
+  promises.push(
-  try {
+    store.fetchProgressSummary().then(p => { progress.value = p }).catch(() => {}),
-    weeklyStats.value = await store.fetchWeeklyStats(8)
+    store.fetchFitness(90).then(f => { fitness.value = f }).catch(() => {}),
-  } catch {
+    store.fetchWeeklyStats(8).then(w => { weeklyStats.value = w }).catch(() => {}),
-    // Weekly stats may not be available yet
+    store.fetchPersonalRecords().then(r => { records.value = r }).catch(() => {}),
-  }
+    coaching.fetchTodayWorkout().then(t => { todayWorkout.value = t }).catch(() => {}),
-  try {
+    store.fetchActivityCalendar(12).then(c => { calendarDays.value = c }).catch(() => {}),
-    records.value = await store.fetchPersonalRecords()
+    store.fetchMonthlyTrends(12).then(m => { monthlyTrends.value = m }).catch(() => {}),
-  } catch {
+  )
-    // PR data may not be available yet
+
-  }
+  await Promise.all(promises)
-  try {
-    todayWorkout.value = await coaching.fetchTodayWorkout()
-  } catch {
-    // No active plan
-  }
 })
 </script>
 
@@ -169,8 +328,80 @@ onMounted(async () => {
   <div>
     <h1 class="text-2xl font-semibold mb-6">Dashboard</h1>
 
-    <!-- Rider stats cards -->
+    <!-- ===== FITNESS STATUS BAR ===== -->
-    <div class="grid grid-cols-2 md:grid-cols-4 gap-3 md:gap-4 mb-8">
+    <div v-if="progress" class="grid grid-cols-2 md:grid-cols-5 gap-3 mb-6">
+      <!-- Current Form -->
+      <Card class="col-span-2 md:col-span-1">
+        <template #content>
+          <p class="text-surface-500 text-xs uppercase mb-1">Состояние</p>
+          <p class="text-lg font-bold" :class="fitnessZone.color">{{ fitnessZone.label }}</p>
+          <p v-if="progress.fitness?.tsb != null" class="text-xs text-surface-400 mt-1">TSB {{ progress.fitness.tsb }}</p>
+        </template>
+      </Card>
+
+      <!-- CTL -->
+      <Card>
+        <template #content>
+          <p class="text-surface-500 text-xs uppercase mb-1">Фитнес (CTL)</p>
+          <div class="flex items-baseline gap-2">
+            <p class="text-2xl font-bold">{{ progress.fitness?.ctl ?? '—' }}</p>
+            <span v-if="ctlDelta != null" class="text-xs font-medium" :class="trendClass(ctlDelta)">
+              <i :class="trendIcon(ctlDelta)" class="text-[10px]"></i>
+              {{ ctlDelta > 0 ? '+' : '' }}{{ ctlDelta.toFixed(1) }}
+            </span>
+          </div>
+          <p class="text-xs text-surface-400">за 7 дней</p>
+        </template>
+      </Card>
+
+      <!-- This week volume -->
+      <Card>
+        <template #content>
+          <p class="text-surface-500 text-xs uppercase mb-1">Эта неделя</p>
+          <p class="text-2xl font-bold">{{ progress.this_week.hours }}<span class="text-sm font-normal text-surface-500">ч</span></p>
+          <div class="flex items-center gap-1 mt-1">
+            <span v-if="weekVsWeekHours != null" class="text-xs font-medium" :class="trendClass(weekVsWeekHours)">
+              <i :class="trendIcon(weekVsWeekHours)" class="text-[10px]"></i>
+              {{ weekVsWeekHours > 0 ? '+' : '' }}{{ weekVsWeekHours }}%
+            </span>
+            <span class="text-xs text-surface-400">vs прошлая</span>
+          </div>
+        </template>
+      </Card>
+
+      <!-- This week TSS -->
+      <Card>
+        <template #content>
+          <p class="text-surface-500 text-xs uppercase mb-1">TSS неделя</p>
+          <p class="text-2xl font-bold">{{ progress.this_week.tss }}</p>
+          <div class="flex items-center gap-1 mt-1">
+            <span v-if="weekVsWeekTss != null" class="text-xs font-medium" :class="trendClass(weekVsWeekTss)">
+              <i :class="trendIcon(weekVsWeekTss)" class="text-[10px]"></i>
+              {{ weekVsWeekTss > 0 ? '+' : '' }}{{ weekVsWeekTss }}%
+            </span>
+            <span class="text-xs text-surface-400">vs прошлая</span>
+          </div>
+        </template>
+      </Card>
+
+      <!-- Monthly power change -->
+      <Card>
+        <template #content>
+          <p class="text-surface-500 text-xs uppercase mb-1">Мощность (месяц)</p>
+          <p class="text-2xl font-bold">{{ progress.this_month.avg_power ?? '—' }}<span class="text-sm font-normal text-surface-500">W</span></p>
+          <div class="flex items-center gap-1 mt-1">
+            <span v-if="monthVsMonthPower != null" class="text-xs font-medium" :class="trendClass(monthVsMonthPower)">
+              <i :class="trendIcon(monthVsMonthPower)" class="text-[10px]"></i>
+              {{ monthVsMonthPower > 0 ? '+' : '' }}{{ monthVsMonthPower }}W
+            </span>
+            <span class="text-xs text-surface-400">vs прошлый</span>
+          </div>
+        </template>
+      </Card>
+    </div>
+
+    <!-- Static fallback cards when no progress data -->
+    <div v-else class="grid grid-cols-2 md:grid-cols-4 gap-3 md:gap-4 mb-6">
       <Card>
         <template #content>
           <p class="text-surface-500 text-xs uppercase mb-1">FTP</p>
@@ -179,13 +410,13 @@ onMounted(async () => {
       </Card>
       <Card>
         <template #content>
-          <p class="text-surface-500 text-xs uppercase mb-1">Weight</p>
+          <p class="text-surface-500 text-xs uppercase mb-1">Вес</p>
-          <p class="text-2xl font-bold">{{ auth.rider?.weight ?? '—' }} <span class="text-sm text-surface-500 font-normal">kg</span></p>
+          <p class="text-2xl font-bold">{{ auth.rider?.weight ?? '—' }} <span class="text-sm text-surface-500 font-normal">кг</span></p>
         </template>
       </Card>
       <Card>
         <template #content>
-          <p class="text-surface-500 text-xs uppercase mb-1">W/kg</p>
+          <p class="text-surface-500 text-xs uppercase mb-1">W/кг</p>
           <p class="text-2xl font-bold">
             {{ auth.rider?.ftp && auth.rider?.weight ? (auth.rider.ftp / auth.rider.weight).toFixed(2) : '—' }}
           </p>
@@ -193,14 +424,14 @@ onMounted(async () => {
       </Card>
       <Card>
         <template #content>
-          <p class="text-surface-500 text-xs uppercase mb-1">Total Rides</p>
+          <p class="text-surface-500 text-xs uppercase mb-1">Тренировок</p>
           <p class="text-2xl font-bold">{{ store.total }}</p>
         </template>
       </Card>
     </div>
 
-    <!-- Today's Workout -->
+    <!-- ===== TODAY'S WORKOUT ===== -->
-    <Card v-if="todayWorkout" class="mb-8 border-l-4 border-l-primary cursor-pointer hover:shadow-md transition-shadow" @click="router.push({ name: 'coach' })">
+    <Card v-if="todayWorkout" class="mb-6 border-l-4 border-l-primary cursor-pointer hover:shadow-md transition-shadow" @click="router.push({ name: 'coach' })">
       <template #content>
         <div class="flex items-center justify-between">
           <div>
@@ -223,12 +454,142 @@ onMounted(async () => {
       </template>
     </Card>
 
-    <!-- Personal Records -->
+    <!-- ===== WEEK VS WEEK COMPARISON (detailed) ===== -->
-    <Card v-if="records.length > 0" class="mb-8">
+    <div v-if="progress && (progress.this_week.rides > 0 || progress.last_week.rides > 0)" class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-6">
+      <Card>
+        <template #title>
+          <span class="text-sm">Эта неделя</span>
+        </template>
+        <template #content>
+          <div class="grid grid-cols-3 gap-3 text-center">
+            <div>
+              <p class="text-surface-500 text-xs">Тренировок</p>
+              <p class="text-lg font-bold">{{ progress.this_week.rides }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Часы</p>
+              <p class="text-lg font-bold">{{ progress.this_week.hours }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">TSS</p>
+              <p class="text-lg font-bold">{{ progress.this_week.tss }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Дистанция</p>
+              <p class="text-lg font-bold">{{ progress.this_week.distance_km }} <span class="text-xs font-normal">км</span></p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Ср. мощность</p>
+              <p class="text-lg font-bold">{{ progress.this_week.avg_power ?? '—' }} <span class="text-xs font-normal">W</span></p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Ср. пульс</p>
+              <p class="text-lg font-bold">{{ progress.this_week.avg_hr ?? '—' }}</p>
+            </div>
+          </div>
+        </template>
+      </Card>
+      <Card>
+        <template #title>
+          <span class="text-sm">Прошлая неделя</span>
+        </template>
+        <template #content>
+          <div class="grid grid-cols-3 gap-3 text-center">
+            <div>
+              <p class="text-surface-500 text-xs">Тренировок</p>
+              <p class="text-lg font-bold">{{ progress.last_week.rides }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Часы</p>
+              <p class="text-lg font-bold">{{ progress.last_week.hours }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">TSS</p>
+              <p class="text-lg font-bold">{{ progress.last_week.tss }}</p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Дистанция</p>
+              <p class="text-lg font-bold">{{ progress.last_week.distance_km }} <span class="text-xs font-normal">км</span></p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Ср. мощность</p>
+              <p class="text-lg font-bold">{{ progress.last_week.avg_power ?? '—' }} <span class="text-xs font-normal">W</span></p>
+            </div>
+            <div>
+              <p class="text-surface-500 text-xs">Ср. пульс</p>
+              <p class="text-lg font-bold">{{ progress.last_week.avg_hr ?? '—' }}</p>
+            </div>
+          </div>
+        </template>
+      </Card>
+    </div>
+
+    <!-- ===== FITNESS TREND ===== -->
+    <Card v-if="fitness.length > 0" class="mb-6">
+      <template #title>
+        <div class="flex items-center gap-2">
+          <i class="pi pi-chart-line text-blue-500"></i>
+          Тренд фитнеса
+        </div>
+      </template>
+      <template #content>
+        <VChart :option="buildFitnessChart() ?? undefined" style="height: 280px" autoresize />
+        <div class="flex items-center justify-center gap-6 mt-2 text-xs text-surface-500">
+          <span>CTL — хронич. нагрузка (фитнес)</span>
+          <span>ATL — острая нагрузка (усталость)</span>
+          <span>TSB — баланс формы</span>
+        </div>
+      </template>
+    </Card>
+
+    <!-- ===== AI PROGRESS ANALYSIS ===== -->
+    <Card class="mb-6">
+      <template #title>
+        <div class="flex items-center justify-between">
+          <div class="flex items-center gap-2">
+            <i class="pi pi-sparkles text-violet-500"></i>
+            AI Анализ прогресса
+          </div>
+          <Button
+            v-if="!aiProgress"
+            label="Анализировать"
+            icon="pi pi-sparkles"
+            severity="secondary"
+            size="small"
+            :loading="aiProgressLoading"
+            @click="loadAiProgress"
+          />
+          <Button
+            v-else
+            icon="pi pi-refresh"
+            severity="secondary"
+            text
+            rounded
+            size="small"
+            :loading="aiProgressLoading"
+            @click="loadAiProgress"
+            title="Обновить анализ"
+          />
+        </div>
+      </template>
+      <template #content>
+        <div v-if="aiProgressLoading" class="flex items-center justify-center py-8 text-surface-400">
+          <i class="pi pi-spin pi-spinner text-2xl mr-2"></i>
+          Анализирую данные...
+        </div>
+        <div v-else-if="aiProgress" class="prose prose-sm max-w-none" v-html="aiProgress"></div>
+        <p v-else class="text-surface-400 text-sm">
+          AI проанализирует ваши тренировки за последние месяцы, оценит динамику прогресса и даст рекомендации по развитию.
+        </p>
+      </template>
+    </Card>
+
+    <!-- ===== PERSONAL RECORDS ===== -->
+    <Card v-if="records.length > 0" class="mb-6">
       <template #title>
         <div class="flex items-center gap-2">
           <i class="pi pi-trophy text-amber-500"></i>
-          Personal Records
+          Личные рекорды
         </div>
       </template>
       <template #content>
@@ -241,37 +602,105 @@ onMounted(async () => {
           >
             <p class="text-surface-500 text-xs uppercase mb-1">{{ formatDurationLabel(pr.duration) }}</p>
             <p class="text-xl font-bold">{{ pr.power }}<span class="text-sm font-normal text-surface-500">W</span></p>
-            <p v-if="auth.rider?.weight" class="text-xs text-surface-400">{{ (pr.power / auth.rider.weight).toFixed(1) }} W/kg</p>
+            <p v-if="auth.rider?.weight" class="text-xs text-surface-400">{{ (pr.power / auth.rider.weight).toFixed(1) }} W/кг</p>
           </div>
         </div>
       </template>
     </Card>
 
-    <!-- Fitness trend chart -->
+    <!-- ===== WEEKLY VOLUME ===== -->
-    <Card v-if="fitness.length > 0" class="mb-8">
+    <Card v-if="weeklyStats.length > 0" class="mb-6">
-      <template #title>Fitness Trend</template>
+      <template #title>
-      <template #content>
+        <div class="flex items-center gap-2">
-        <VChart :option="buildFitnessChart() ?? undefined" style="height: 280px" autoresize />
+          <i class="pi pi-chart-bar text-indigo-500"></i>
-        <div class="flex items-center justify-center gap-6 mt-2 text-xs text-surface-500">
+          Нагрузка по неделям
-          <span>CTL: chronic training load (fitness)</span>
-          <span>ATL: acute training load (fatigue)</span>
-          <span>TSB: training stress balance (form)</span>
         </div>
       </template>
-    </Card>
-
-    <!-- Weekly summary -->
-    <Card v-if="weeklyStats.length > 0" class="mb-8">
-      <template #title>Weekly Summary</template>
       <template #content>
         <VChart :option="buildWeeklyChart() ?? undefined" style="height: 280px" autoresize />
       </template>
     </Card>
 
-    <!-- Recent rides -->
+    <!-- ===== MONTHLY TRENDS ===== -->
-    <h2 class="text-lg font-semibold mb-4">Recent Rides</h2>
+    <Card v-if="monthlyTrends.length > 0" class="mb-6">
+      <template #title>
+        <div class="flex items-center gap-2">
+          <i class="pi pi-chart-line text-blue-500"></i>
+          Тренды по месяцам
+        </div>
+      </template>
+      <template #content>
+        <VChart :option="buildMonthlyTrendsChart() ?? undefined" style="height: 300px" autoresize />
+      </template>
+    </Card>
+
+    <!-- ===== ACTIVITY HEATMAP ===== -->
+    <Card v-if="calendarDays.length > 0" class="mb-6">
+      <template #title>
+        <div class="flex items-center gap-2">
+          <i class="pi pi-calendar text-green-600"></i>
+          Календарь активности
+        </div>
+      </template>
+      <template #content>
+        <VChart :option="buildCalendarChart() ?? undefined" style="height: 180px" autoresize />
+        <div class="flex items-center justify-end gap-1 mt-2 text-xs text-surface-400">
+          <span>Меньше</span>
+          <span class="inline-block w-3 h-3 rounded-sm" style="background: #ebedf0"></span>
+          <span class="inline-block w-3 h-3 rounded-sm" style="background: #9be9a8"></span>
+          <span class="inline-block w-3 h-3 rounded-sm" style="background: #40c463"></span>
+          <span class="inline-block w-3 h-3 rounded-sm" style="background: #30a14e"></span>
+          <span class="inline-block w-3 h-3 rounded-sm" style="background: #216e39"></span>
+          <span>Больше</span>
+        </div>
+      </template>
+    </Card>
+
+    <!-- ===== WEEKLY AI DIGEST ===== -->
+    <Card class="mb-6">
+      <template #title>
+        <div class="flex items-center justify-between">
+          <div class="flex items-center gap-2">
+            <i class="pi pi-sparkles text-purple-500"></i>
+            Еженедельный дайджест
+          </div>
+          <Button
+            v-if="!weeklyDigest"
+            label="Сгенерировать"
+            icon="pi pi-sparkles"
+            severity="secondary"
+            size="small"
+            :loading="digestLoading"
+            @click="loadDigest"
+          />
+        </div>
+      </template>
+      <template #content>
+        <div v-if="digestLoading" class="flex items-center justify-center py-8 text-surface-400">
+          <i class="pi pi-spin pi-spinner text-2xl mr-2"></i>
+          Генерирую дайджест...
+        </div>
+        <div v-else-if="weeklyDigest?.digest">
+          <div class="flex items-center gap-4 text-sm text-surface-500 mb-4 flex-wrap">
+            <span>{{ weeklyDigest.week_start }} — {{ weeklyDigest.week_end }}</span>
+            <span>{{ weeklyDigest.total_activities }} трен.</span>
+            <span>{{ weeklyDigest.total_hours }}ч</span>
+            <span>TSS {{ weeklyDigest.total_tss }}</span>
+            <span>{{ weeklyDigest.total_distance_km }} км</span>
+          </div>
+          <div class="prose prose-sm max-w-none" v-html="weeklyDigest.digest"></div>
+        </div>
+        <div v-else-if="weeklyDigest && !weeklyDigest.digest" class="text-surface-400 text-center py-4">
+          {{ weeklyDigest.message || 'Нет тренировок за прошлую неделю' }}
+        </div>
+        <p v-else class="text-surface-400 text-sm">Итоги прошлой недели: объём, ключевые метрики, рекомендации AI-тренера.</p>
+      </template>
+    </Card>
+
+    <!-- ===== RECENT ACTIVITIES ===== -->
+    <h2 class="text-lg font-semibold mb-4">Последние тренировки</h2>
     <div v-if="recentActivities.length === 0" class="text-surface-500">
-      No activities yet. Upload your first .FIT file!
+      Нет тренировок. Загрузите первый .FIT файл!
     </div>
     <div v-else class="flex flex-col gap-3">
       <Card
@@ -284,22 +713,22 @@ onMounted(async () => {
           <div class="flex flex-col md:flex-row md:items-center md:justify-between gap-2">
             <div class="flex items-center gap-3">
               <div>
-                <p class="font-semibold">{{ a.name || 'Ride' }}</p>
+                <p class="font-semibold">{{ a.name || 'Тренировка' }}</p>
                 <p class="text-surface-500 text-sm">{{ formatDate(a.date) }}</p>
               </div>
               <Tag :value="a.activity_type" severity="info" class="text-xs" />
             </div>
             <div class="flex items-center gap-4 md:gap-6 text-sm flex-wrap">
               <div class="text-center">
-                <p class="text-surface-500 text-xs">Duration</p>
+                <p class="text-surface-500 text-xs">Время</p>
                 <p class="font-semibold">{{ formatDuration(a.duration) }}</p>
               </div>
-              <div class="text-center">
+              <div v-if="a.distance" class="text-center">
-                <p class="text-surface-500 text-xs">Distance</p>
+                <p class="text-surface-500 text-xs">Дистанция</p>
                 <p class="font-semibold">{{ formatDistance(a.distance) }}</p>
               </div>
               <div v-if="a.metrics?.avg_power" class="text-center">
-                <p class="text-surface-500 text-xs">Power</p>
+                <p class="text-surface-500 text-xs">Мощность</p>
                 <p class="font-semibold">{{ a.metrics.avg_power }}W</p>
               </div>
               <div v-if="a.metrics?.tss" class="text-center">

frontend/src/views/SettingsView.vue

@@ -1,6 +1,8 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue'
 import { useAuthStore } from '../stores/auth'
+import { useActivitiesStore } from '../stores/activities'
+import type { FtpDetection } from '../types/models'
 import Card from 'primevue/card'
 import InputNumber from 'primevue/inputnumber'
 import InputText from 'primevue/inputtext'
@@ -8,8 +10,10 @@ import Select from 'primevue/select'
 import Textarea from 'primevue/textarea'
 import Button from 'primevue/button'
 import Message from 'primevue/message'
+import Dialog from 'primevue/dialog'
 
 const auth = useAuthStore()
+const store = useActivitiesStore()
 
 const form = ref({
   name: '',
@@ -22,6 +26,27 @@ const form = ref({
 
 const saving = ref(false)
 const success = ref(false)
+const detectingFtp = ref(false)
+const ftpDetection = ref<FtpDetection | null>(null)
+const showFtpDialog = ref(false)
+
+async function detectFtp() {
+  detectingFtp.value = true
+  try {
+    ftpDetection.value = await store.detectFtp()
+    showFtpDialog.value = true
+  } finally {
+    detectingFtp.value = false
+  }
+}
+
+async function applyDetectedFtp() {
+  if (ftpDetection.value?.detected_ftp) {
+    form.value.ftp = ftpDetection.value.detected_ftp
+    showFtpDialog.value = false
+    await save()
+  }
+}
 
 const experienceLevels = [
   { label: 'Beginner', value: 'beginner' },
@@ -105,6 +130,15 @@ async function save() {
                 <InputNumber v-model="form.ftp" :min="50" :max="600" class="w-full" placeholder="e.g. 250" />
                 <span class="text-surface-500 text-sm font-medium">W</span>
               </div>
+              <Button
+                label="Auto-detect FTP"
+                icon="pi pi-sparkles"
+                severity="secondary"
+                size="small"
+                class="mt-2"
+                :loading="detectingFtp"
+                @click="detectFtp"
+              />
             </div>
             <div>
               <label class="text-surface-500 text-xs uppercase font-medium mb-1 block">LTHR (Lactate Threshold Heart Rate)</label>
@@ -135,5 +169,45 @@ async function save() {
         <Message v-if="success" severity="success" :closable="false" class="m-0">Settings saved successfully</Message>
       </transition>
     </div>
+
+    <!-- FTP Detection Dialog -->
+    <Dialog v-model:visible="showFtpDialog" header="FTP Auto-Detection" :modal="true" :style="{ width: '420px' }">
+      <div v-if="ftpDetection">
+        <div v-if="ftpDetection.detected_ftp" class="flex flex-col gap-4">
+          <div class="bg-primary/10 rounded-lg p-4 text-center">
+            <p class="text-surface-500 text-xs uppercase mb-1">Detected FTP</p>
+            <p class="text-3xl font-bold text-primary">{{ ftpDetection.detected_ftp }} <span class="text-lg font-normal">W</span></p>
+          </div>
+          <div class="grid grid-cols-2 gap-3 text-sm">
+            <div class="bg-surface-50 rounded-lg p-3">
+              <p class="text-surface-500 text-xs">Best 20min Power</p>
+              <p class="font-semibold">{{ ftpDetection.best_20min_power }} W</p>
+            </div>
+            <div class="bg-surface-50 rounded-lg p-3">
+              <p class="text-surface-500 text-xs">Current FTP</p>
+              <p class="font-semibold">{{ ftpDetection.current_ftp ?? '—' }} W</p>
+            </div>
+            <div class="bg-surface-50 rounded-lg p-3">
+              <p class="text-surface-500 text-xs">Activity</p>
+              <p class="font-semibold text-xs">{{ ftpDetection.activity_name }}</p>
+            </div>
+            <div class="bg-surface-50 rounded-lg p-3">
+              <p class="text-surface-500 text-xs">Date</p>
+              <p class="font-semibold text-xs">{{ ftpDetection.date }}</p>
+            </div>
+          </div>
+          <p class="text-surface-500 text-xs">FTP = Best 20min Power x 0.95. This will recalculate TSS/IF for all your activities.</p>
+          <div class="flex justify-end gap-2">
+            <Button label="Cancel" severity="secondary" @click="showFtpDialog = false" />
+            <Button label="Apply FTP" icon="pi pi-check" @click="applyDetectedFtp" />
+          </div>
+        </div>
+        <div v-else class="text-center py-4">
+          <i class="pi pi-info-circle text-2xl text-surface-400 mb-2"></i>
+          <p class="text-surface-500">{{ ftpDetection.message || 'No 20-minute power data found. Upload more rides!' }}</p>
+          <Button label="Close" severity="secondary" class="mt-4" @click="showFtpDialog = false" />
+        </div>
+      </div>
+    </Dialog>
   </div>
 </template>