Seed all Pokemon species and add admin pagination

- Update fetch_pokeapi.py to import all 1025 Pokemon species instead of
  only those appearing in encounters
- Add paginated response for /pokemon endpoint with total count
- Add pagination controls to AdminPokemon page (First/Prev/Next/Last)
- Show current page and total count in admin UI
- Add bean for Pokemon forms support task
- Update UX improvements bean with route grouping polish item

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/src/app/seeds/fetch_pokeapi.py

@@ -304,14 +304,23 @@ def process_version(version_name: str, vg_info: dict) -> list[dict]:
     return routes
 
 
-def fetch_pokemon_data(dex_numbers: set[int]) -> list[dict]:
-    """Fetch Pokemon name/type data for all collected dex numbers."""
-    print(f"\n--- Fetching {len(dex_numbers)} Pokemon ---")
+def fetch_all_pokemon() -> list[dict]:
+    """Fetch all Pokemon species from the local PokeAPI data."""
+    pokemon_dir = POKEAPI_DIR / "pokemon-species"
+
+    # Get all species IDs (directories with numeric names, excluding forms 10000+)
+    all_species = []
+    for entry in pokemon_dir.iterdir():
+        if entry.is_dir() and entry.name.isdigit():
+            dex = int(entry.name)
+            if dex < 10000:  # Exclude alternate forms
+                all_species.append(dex)
+
+    all_species.sort()
+    print(f"\n--- Fetching {len(all_species)} Pokemon species ---")
 
     pokemon_list = []
-    dex_sorted = sorted(dex_numbers)
-
-    for i, dex in enumerate(dex_sorted, 1):
+    for i, dex in enumerate(all_species, 1):
         poke = load_resource("pokemon", dex)
         types = [t["type"]["name"] for t in poke["types"]]
         pokemon_list.append({
@@ -321,8 +330,8 @@ def fetch_pokemon_data(dex_numbers: set[int]) -> list[dict]:
             "sprite_url": f"https://raw.githubusercontent.com/PokeAPI/sprites/master/sprites/pokemon/{dex}.png",
         })
 
-        if i % 50 == 0 or i == len(dex_sorted):
-            print(f"  Fetched {i}/{len(dex_sorted)}")
+        if i % 100 == 0 or i == len(all_species):
+            print(f"  Fetched {i}/{len(all_species)}")
 
     return sorted(pokemon_list, key=lambda x: x["national_dex"])
 
@@ -512,13 +521,16 @@ def main():
             routes = process_version(ver_name, vg_info)
             write_json(f"{ver_name}.json", routes)
 
-    # Fetch all Pokemon data
-    pokemon = fetch_pokemon_data(all_pokemon_dex)
+    # Fetch all Pokemon species
+    pokemon = fetch_all_pokemon()
     write_json("pokemon.json", pokemon)
     print(f"\nWrote {len(pokemon)} Pokemon to pokemon.json")
 
-    # Fetch evolution chains
-    evolutions = fetch_evolution_data(all_pokemon_dex)
+    # Build set of all seeded dex numbers for evolution filtering
+    all_seeded_dex = {p["national_dex"] for p in pokemon}
+
+    # Fetch evolution chains for all seeded Pokemon
+    evolutions = fetch_evolution_data(all_seeded_dex)
     apply_evolution_overrides(evolutions)
     write_json("evolutions.json", evolutions)
     print(f"\nWrote {len(evolutions)} evolution pairs to evolutions.json")