merge feature/scenario-start-npc-migration: add onEnterEffects with stage NPC to all 18 scenarios

fix(db): use REPLACE-based approach for H2 compatibility

test(db): verify every enabled scenario has onEnterEffects with valid NPC

chore(db): trailing newline for 137

feat(db): add NPC 'Дух «Морской Девы»' to npc_catalog

fix(db): use REPLACE-based approach for H2 compatibility

test(db): verify every enabled scenario has onEnterEffects with valid NPC

chore(db): trailing newline for 137

feat(db): add NPC 'Дух «Морской Девы»' to npc_catalog

feat(db): add onEnterEffects with stage NPC to all 18 scenarios

merge feature/scenario-start-npc-spawn: auto-spawn scenario NPCs at startGame

test(scenario): add integration test for ScenarioStartNpcSpawner

feat(scenario): wire ScenarioStartNpcSpawner into GameLifecycleService.startGame

feat(scenario): add ScenarioStartNpcSpawner for auto-spawning NPCs at startGame

feat(repo): add findByLocationCatalogNameIgnoreCase to LocationCatalogBaseNpcRepository

test(scenario): add integration test for ScenarioStartNpcSpawner

feat(scenario): wire ScenarioStartNpcSpawner into GameLifecycleService.startGame

feat(scenario): add ScenarioStartNpcSpawner for auto-spawning NPCs at startGame

feat(repo): add findByLocationCatalogNameIgnoreCase to LocationCatalogBaseNpcRepository

feat(scenario): add allowDuplicates overload to applyScenarioSpawnNpcEffect

merge feature/playtest-fixes-2026-07-26: openingScene + rules visibility + half-elf autofill + canActForAfk default

feat(player): show auto-applied race bonus hint on character card or creation form

chore(player): simplify appliedDamage nullish check in TurnOutcomePanel

feat(player): display rules/damage/death-saves in turn result panel

fix(virtual-gm): default canActForAfk to false for safer multiplayer

feat(player): show auto-applied race bonus hint on character card or creation form

chore(player): simplify appliedDamage nullish check in TurnOutcomePanel

feat(player): display rules/damage/death-saves in turn result panel

fix(virtual-gm): default canActForAfk to false for safer multiplayer

fix(player): auto-fill raceBonusChoices when null/empty using highest scores

merge feature/postregression-fixes (#38, #39, #22a, #22b)

postregression: preserve monster conditions, fix AC + damage type (#38, #39, #22a, #22b)

postregression: preserve monster conditions, fix AC + damage type (#38, #39, #22a, #22b)

merge feature/polish-fixes (#34, #35, #36, #37)

polish: location warning, RU labels in API, short-rest picker, grammar dedup (#34, #35, #36, #37)

polish: location warning, RU labels in API, short-rest picker, grammar dedup (#34, #35, #36, #37)

merge feature/playtest-fixes (#30, #31, #32, #33)

playtest: fix DM monster conditions, seed spell slots, sharpen LLM roll detail & leak filter (#30, #31, #32, #33)

playtest: fix DM monster conditions, seed spell slots, sharpen LLM roll detail & leak filter (#30, #31, #32, #33)

merge: resolve backlog.md conflict — keep #27 and #28 both marked done

merge feature/virtual-gm-defaults (#28, #29)

scenario: surface HELP_NPC affordance and progress in /turns/options (#27)

vgm: descriptive 400 for invalid enum values, document default OFF (#28, #29)

scenario: surface HELP_NPC affordance and progress in /turns/options (#27)