refactor: small type safety and readability cleanups

[kamilwronka]

Summary

• notification-job.service.ts: Type FINAL_JOB_STATUSES as DbNotificationJobStatus[] instead of as const, eliminating 4 redundant type assertions (as unknown as and as readonly) at usage sites
• loots.service.ts: Cache Object.keys(mappedLootShare).length in a mappedItemsCount variable instead of computing it 3 times in succession
• kills.controller.ts: Extract inline [NpcType.TITAN, NpcType.HERO, NpcType.EVENT_HERO] array to a named DEFAULT_BOSS_NPC_TYPES constant for readability

Safety

All changes are behavior-preserving:

• The FINAL_JOB_STATUSES change only widens the type from a narrow readonly tuple to DbNotificationJobStatus[], which is what every usage site was already casting to
• The mappedItemsCount variable caches an already-computed value with no side effects
• The DEFAULT_BOSS_NPC_TYPES constant is a direct extraction of an inline literal

Test plan

• pnpm lint passes (0 errors, 2 pre-existing warnings)
• pnpm format:check passes on changed files
• pnpm test — all 131 running tests pass; 32 pre-existing failures due to unrelated @lootlog/nest-shared package resolution issue

🤖 Generated with Claude Code

Summary by CodeRabbit

• Refactor
  • Optimized internal code structure and type handling for improved maintainability.
  • Reduced redundant computations in service operations.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Three refactoring changes optimize code clarity and performance: extracting a module-level constant for reusable NPC types, precomputing a value to eliminate repeated calculations, and simplifying type declarations by removing redundant type assertions throughout conditional checks and database queries.

Changes

Cohort / File(s)	Summary
Constant Extraction apps/api/src/kills/kills.controller.ts	Extracted DEFAULT_BOSS_NPC_TYPES constant containing boss NPC types and replaced inline array literal with constant reference.
Performance Optimization apps/api/src/loots/loots.service.ts	Precomputed mappedItemsCount once via Object.keys(mappedLootShare).length and reused it across control-flow checks to eliminate repeated calculations.
Type Assertion Simplification apps/api/src/notifications/notification-job.service.ts	Converted FINAL_JOB_STATUSES from readonly...as const tuple to mutable DbNotificationJobStatus[] array; removed redundant type casts from membership checks and Prisma query filters.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 A constant hops forth, no more duplication,
Precomputed counts dodge repetition's frustration,
Type casts dissolve like morning dew on clover—
Cleaner code bounds through fields when review is over!
Thump thump! 🥕

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'refactor: small type safety and readability cleanups' accurately describes the main changes: type safety improvements (removing redundant type assertions), readability enhancements (extracting constants, caching computed values), and refactoring across three files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/dazzling-edison

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[coderabbitai]

🧹 Nitpick comments (1)

apps/api/src/kills/kills.controller.ts (1)

31-37: Move the constant declaration after all imports.

The constant DEFAULT_BOSS_NPC_TYPES is declared between two import blocks (lines 31-36 are between the decorator imports ending at line 30 and the service imports starting at line 37). This breaks the conventional module structure where all imports should be grouped at the top, followed by constants and declarations.

♻️ Suggested reordering

Move lines 32-36 after line 56 (after all imports):

 import { GuildData } from "src/shared/decorators/guild-data.decorator";
+
+const DEFAULT_BOSS_NPC_TYPES: NpcType[] = [
+  NpcType.TITAN,
+  NpcType.HERO,
+  NpcType.EVENT_HERO,
+];

 `@ApiTags`("kills")

And remove the constant from its current location between imports.

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@apps/api/src/kills/kills.controller.ts` around lines 31 - 37, The constant
DEFAULT_BOSS_NPC_TYPES (using NpcType.TITAN, NpcType.HERO, NpcType.EVENT_HERO)
is declared between import blocks; move its declaration so all imports remain
grouped at the top of the module. Remove the current inline declaration and
re-add the DEFAULT_BOSS_NPC_TYPES constant immediately after the final import
(after the block that brings in KillsService and other locals) so imports appear
first and constants/declarations follow.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Nitpick comments:
In `@apps/api/src/kills/kills.controller.ts`:
- Around line 31-37: The constant DEFAULT_BOSS_NPC_TYPES (using NpcType.TITAN,
NpcType.HERO, NpcType.EVENT_HERO) is declared between import blocks; move its
declaration so all imports remain grouped at the top of the module. Remove the
current inline declaration and re-add the DEFAULT_BOSS_NPC_TYPES constant
immediately after the final import (after the block that brings in KillsService
and other locals) so imports appear first and constants/declarations follow.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: dc7be552-d2a9-4a00-b368-532d6515602e

📥 Commits

Reviewing files that changed from the base of the PR and between f99033e and 0593c80.

📒 Files selected for processing (3)

• apps/api/src/kills/kills.controller.ts
• apps/api/src/loots/loots.service.ts
• apps/api/src/notifications/notification-job.service.ts