v0.2.0: relations preview, item shop, abilities, overlay recommend, GSI enhancements

- Add relations/item/abilities preview (serve_relations.py + web/relations/)
- Add fetch scripts: hero_items, item_shop, items_meta, hero_abilities,
  ability_videos, patches, stratz, matchups, portraits
- Add overlay.py (role tags + Top-3 cyan marks), recommend.py
- Add http_utils.py, loc_format.py, hero_tags.py, item_fears.py
- GSI: full payload JSONL dump, foreground window detection
- Drop real template library; CDN-only matching
- Update docs: CHANGELOG 0.2.0, DESIGN config table, AGENTS module table
- .gitignore: exclude large regenerable assets (icons/portraits/videos)

common.py

@@ -8,7 +8,23 @@ import numpy as np
 
 ROOT = Path(__file__).parent
 CONFIG_PATH = ROOT / "config.json"
+DATA = ROOT / "data"
+HEROES_JSON = DATA / "heroes.json"
 TEMPLATES_CDN = ROOT / "templates" / "cdn"
+# Landscape cards from dota2.com/heroes (Steam CDN heroes/{key}.png); UI only.
+HERO_PORTRAITS = ROOT / "assets" / "hero_portraits"
+# Primary-attribute icons from dota2.com (dota_react/icons/hero_*.png); UI only.
+ATTR_ICONS = ROOT / "assets" / "attr_icons"
+# Item icons from Steam CDN (dota_react/items/{key}.png); relations preview only.
+ITEM_ICONS = ROOT / "assets" / "item_icons"
+# Shop category header icons from dota2.com.cn/items/images/itemcat_*.png.
+ITEM_CAT_ICONS = ROOT / "assets" / "item_cat_icons"
+# Ability icons from Steam CDN (dota_react/abilities/{key}.png); relations preview only.
+ABILITY_ICONS = ROOT / "assets" / "ability_icons"
+# Generic UI glyphs from dota2.com.cn (herostatic/icons/*.png); relations preview only.
+UI_ICONS = ROOT / "assets" / "ui_icons"
+# Official ability demo clips from dota2.com (dota_react/abilities/{hero}/{ability}.webm).
+ABILITY_VIDEOS = ROOT / "assets" / "ability_videos"
 
 
 def load_config() -> dict: