Structured Feature Extractions: Price, Playtime, Time-to-Fun, Archetypes

This update adds a structured extraction pipeline for player-facing signals.

Here's what's new:

• Community Price: Adds a structured fair-price range and reasoning from player reviews.
• Playtime: Adds estimated completion, story, endgame, and session-length expectations from review text.
• Time-to-Fun: Estimates how long it takes players to reach the game's "hook", plus common onboarding friction.
• Player Archetypes: Identifies common player personas, motivations, playstyles, and recommendation stance.

These extractions are now integrated across the main product surface: game pages, the public api response, markdown exports, and share cards.

Under the hood, scans and extractions now share stronger review cleanup, which improves signal quality on noisy games.