v2: Program research, Groq extraction, and workout tracking (REVIEW — not deployed)

Backend:
- New models: ProgramCatalog, CatalogWorkout, CrawlQueue, WorkoutLog
- Program.py: added catalog_id, current_week, current_day columns
- program_research.py: ttp-crawler integration, Groq Llama 3.3 70B extraction, known sources map, validation
- crawl_scheduler.py: priority queue with off-peak/weekend scheduling
- catalog.py router: research, catalog browse, adopt, schedule, complete, progress endpoints
- Points: 75pts/workout, 50pts weekly bonus, 200pts completion bonus
- config.py: added groq_api_key setting
- main.py: catalog router, background scheduler, v2 migration

Frontend:
- ProgramSearch.jsx: search, research submission, catalog browsing, adopt programs
- ProgramDetail.jsx: schedule view, today's workout, completion modal, progress tracking
- App.jsx: Programs nav tab, new routes
- api.js: catalog and tracking API functions

Config:
- docker-compose.yml: GROQ_API_KEY env var

NOT DEPLOYED — requires Groq API key and Scot review

backend/app/models/__init__.py

@@ -7,9 +7,11 @@ from app.models.points import PointRule, DailyTarget
 from app.models.reward import Reward, RewardRedemption
 from app.models.oauth import OAuthToken
 from app.models.resource import Resource
+from app.models.catalog import ProgramCatalog, CatalogWorkout, CrawlQueue, WorkoutLog
 
 __all__ = [
     "User", "UserProfile", "Program", "ActivityLog", "FoodLog",
     "PointRule", "DailyTarget", "Reward", "RewardRedemption",
     "OAuthToken", "Resource",
+    "ProgramCatalog", "CatalogWorkout", "CrawlQueue", "WorkoutLog",
 ]