feat: add auth system, boss pokemon details, moves/abilities API, and run ownership

Add user authentication with login/signup/protected routes, boss pokemon
detail fields and result team tracking, moves and abilities selector
components and API, run ownership and visibility controls, and various
UI improvements across encounters, run list, and journal pages.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/src/app/schemas/boss.py

@@ -4,6 +4,16 @@ from app.schemas.base import CamelModel
 from app.schemas.pokemon import PokemonResponse
 
 
+class MoveRef(CamelModel):
+    id: int
+    name: str
+
+
+class AbilityRef(CamelModel):
+    id: int
+    name: str
+
+
 class BossPokemonResponse(CamelModel):
     id: int
     pokemon_id: int
@@ -11,6 +21,19 @@ class BossPokemonResponse(CamelModel):
     order: int
     condition_label: str | None
     pokemon: PokemonResponse
+    # Detail fields
+    ability_id: int | None = None
+    ability: AbilityRef | None = None
+    held_item: str | None = None
+    nature: str | None = None
+    move1_id: int | None = None
+    move2_id: int | None = None
+    move3_id: int | None = None
+    move4_id: int | None = None
+    move1: MoveRef | None = None
+    move2: MoveRef | None = None
+    move3: MoveRef | None = None
+    move4: MoveRef | None = None
 
 
 class BossBattleResponse(CamelModel):
@@ -31,6 +54,12 @@ class BossBattleResponse(CamelModel):
     pokemon: list[BossPokemonResponse] = []
 
 
+class BossResultTeamMemberResponse(CamelModel):
+    id: int
+    encounter_id: int
+    level: int
+
+
 class BossResultResponse(CamelModel):
     id: int
     run_id: int
@@ -38,6 +67,7 @@ class BossResultResponse(CamelModel):
     result: str
     attempts: int
     completed_at: datetime | None
+    team: list[BossResultTeamMemberResponse] = []
 
 
 # --- Input schemas ---
@@ -78,12 +108,26 @@ class BossPokemonInput(CamelModel):
     level: int
     order: int
     condition_label: str | None = None
+    # Detail fields
+    ability_id: int | None = None
+    held_item: str | None = None
+    nature: str | None = None
+    move1_id: int | None = None
+    move2_id: int | None = None
+    move3_id: int | None = None
+    move4_id: int | None = None
+
+
+class BossResultTeamMemberInput(CamelModel):
+    encounter_id: int
+    level: int
 
 
 class BossResultCreate(CamelModel):
     boss_battle_id: int
     result: str
     attempts: int = 1
+    team: list[BossResultTeamMemberInput] = []
 
 
 class BossReorderItem(CamelModel):