docs: finalize report assets and polish dashboard UI

docs/diagrams/activity.mmd

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+flowchart LR
+  subgraph Trigger[Trigger]
+    A[Create / Update Domain]
+    B[Manual Check List / Detail]
+  end
+
+  subgraph UI[Web UI]
+    C[Submit form domain]
+    D[Call domains.check]
+    E[Invalidate query + toast]
+  end
+
+  subgraph API[tRPC domainsRouter]
+    F[Save / load domain]
+    G[Run domain check]
+  end
+
+  subgraph DNS[DNS Check]
+    H[Resolve IPv4 A record]
+    I{Expected IP found?}
+  end
+
+  subgraph Result[Persisted Status]
+    J[MATCH]
+    K[MISMATCH]
+    L[UNRESOLVED]
+  end
+
+  A --> C --> F --> D
+  B --> D
+  D --> G --> H --> I
+  I -- Ya --> J
+  I -- Tidak --> K
+  H -- Lookup gagal --> L
+  J --> E
+  K --> E
+  L --> E

docs/diagrams/class.mmd

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+classDiagram
+  direction LR
+
+  class Server {
+    +string id
+    +string name
+    +string primaryIpAddress
+    +string secondaryIpAddress
+    +string operatingSystem
+    +string location
+    +string provider
+    +string description
+    +server_status status
+    +Date createdAt
+    +Date updatedAt
+  }
+
+  class Service {
+    +string id
+    +string serverId
+    +string name
+    +service_type type
+    +int internalPort
+    +int externalPort
+    +service_protocol protocol
+    +service_status status
+    +string description
+    +Date createdAt
+    +Date updatedAt
+  }
+
+  class Domain {
+    +string id
+    +string serviceId
+    +string name
+    +string expectedServerIp
+    +string lastResolvedIp
+    +string[] lastResolvedIps
+    +domain_resolution_status resolutionStatus
+    +Date lastCheckedAt
+    +string remarks
+    +string lastCheckMessage
+    +Date createdAt
+    +Date updatedAt
+  }
+
+  class Catatan {
+    +string id
+    +string serverId
+    +string title
+    +string content
+    +string category
+    +Date createdAt
+    +Date updatedAt
+  }
+
+  Server "1" o-- "0..*" Service : memiliki
+  Server "1" o-- "0..*" Catatan : memiliki
+  Service "1" o-- "0..*" Domain : memiliki
+
+  note for Domain "resolutionStatus: MATCH, MISMATCH, atau UNRESOLVED"

docs/diagrams/collaboration.mmd

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+graph TD
+  Admin[Admin]
+  Auth[Auth + Protected Route]
+  UI[Dashboard Pages]
+  Query[TanStack Query]
+  TRPC[tRPC Client]
+  Router[Protected Routers]
+  DomainRouter[domainsRouter]
+  Checker[DNS Check Module]
+  DB[(PostgreSQL / Drizzle)]
+  DNS[node:dns resolve4]
+  Toast[Toast]
+
+  subgraph Client[Client Side]
+    Auth --> UI --> Query --> TRPC
+    UI --> Toast
+  end
+
+  subgraph Server[Server Side]
+    Router --> DB
+    Router --> DomainRouter
+    DomainRouter --> Checker
+    Checker --> DNS
+    Checker --> DB
+  end
+
+  Admin --> Auth
+  TRPC --> Router
+  Router --> TRPC

docs/diagrams/sequence.mmd

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+sequenceDiagram
+  actor Admin
+  participant UI as Web UI React
+  participant TRPC as tRPC Client
+  participant API as domainsRouter
+  participant DB as PostgreSQL/Drizzle
+  participant Checker as domain-check module
+  participant DNS as DNS Resolver
+
+  Admin->>UI: Isi form domain dan pilih service
+  UI->>TRPC: domains.create({ serviceId, name, expectedServerIp? })
+  TRPC->>API: Kirim request create domain
+  API->>DB: Validasi service dan server parent
+  API->>DB: Insert domain, default expected IP dari server parent jika kosong
+  DB-->>API: Domain berhasil dibuat
+  API-->>TRPC: Data domain baru
+  TRPC-->>UI: Data domain baru
+  UI->>TRPC: domains.check({ id: created.id }) otomatis
+  TRPC->>API: Kirim request DNS check
+  API->>DB: Ambil domain berdasarkan id
+  API->>Checker: runAndPersistDomainCheck(...)
+  Checker->>DNS: resolve4(domain.name)
+  DNS-->>Checker: Daftar IPv4 atau error
+  Checker->>DB: Update resolutionStatus dan hasil check
+  DB-->>Checker: Domain terbaru
+  Checker-->>API: { domain, result }
+  API-->>TRPC: { domain, check }
+  TRPC-->>UI: Hasil DNS check
+  UI->>UI: Invalidate domains.list, navigate detail, tampilkan toast

docs/diagrams/state-chart.mmd

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+stateDiagram-v2
+  [*] --> UNRESOLVED
+  state "Checking DNS" as CHECKING
+
+  UNRESOLVED --> CHECKING : create/update/manual check
+  MATCH --> CHECKING : re-check
+  MISMATCH --> CHECKING : re-check
+  CHECKING --> MATCH : expected IP ditemukan
+  CHECKING --> MISMATCH : resolved IP berbeda
+  CHECKING --> UNRESOLVED : DNS lookup gagal

docs/diagrams/use-case.mmd

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+flowchart LR
+  Admin([Admin])
+  Login((Sign in))
+  Protected((Akses Dashboard Terproteksi))
+  Dashboard((Melihat Dashboard Summary))
+  Server((CRUD Server))
+  Service((CRUD Service))
+  Domain((CRUD Domain))
+  AutoDns((Auto DNS Check saat Create/Update Domain))
+  ManualDns((Manual DNS Check dari List/Detail Domain))
+  Note((CRUD Catatan))
+  Detail((Melihat Catatan pada Detail Server))
+  Logout((Sign out))
+
+  Admin --> Login
+  Login --> Protected
+  Protected --> Dashboard
+  Protected --> Server
+  Protected --> Service
+  Protected --> Domain
+  Protected --> Note
+  Domain --> AutoDns
+  Domain --> ManualDns
+  Server --> Detail
+  Admin --> Logout