chore(cloud): drop /cloud path and Cloud factory

[tobias-goertz]

Summary

• Removes src/cloud/ entirely — the Cloud class, its 13 entities, and the cloud() factory on CharlesClient.

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Summary by cubic

Removes the deprecated /cloud subpath and the cloud() factory from CharlesClient to simplify the SDK. Drops the Cloud class and all related entities; no live consumers remain after the linked agent-ui fix.

• Refactors
  • Deleted src/cloud/ (all entities and the Cloud class).
  • Removed Cloud, CloudOptions, ICloudFactoryOptions exports and CharlesClient.cloud() from src/charles.ts.

^{Written for commit bb15230. Summary will update on new commits.}

[cubic-dev-ai]

No issues found across 27 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

Architecture diagram

sequenceDiagram
    participant UI as Consumer (Agent UI / Cloud UI)
    participant SDK as CharlesClient
    participant Cloud as Cloud Service (src/cloud)
    participant Universe as Universe Service (src/universe)
    participant API as Backend API (v0)

    Note over UI,API: The PR removes the entire Cloud management sub-system from the SDK

    UI->>SDK: instantiate()
    
    rect rgb(200, 50, 50, 0.1)
        Note right of SDK: DELETED: src/cloud sub-path
        UI-->>SDK: CHANGED: cloud() factory removed
        SDK-->>UI: Throws or Mismatch (if still called)
    end

    alt Previous Product Flow (Agent UI)
        UI->>Cloud: CHANGED: product() (Cloud Entity)
        Note right of Cloud: Modelled admin api/v0/products
        Cloud->>API: GET /api/v0/products
        API-->>UI: Admin Resource Data
    else NEW: Corrected Product Flow (Agent UI)
        UI->>Universe: NEW: product() (Universe Entity)
        Note right of Universe: Real runtime product data
        Universe->>API: GET /api/v0/universes/{id}/products
        API-->>UI: Runtime Product Data
    end

    Note over UI,Cloud: Flow for Organization/Release/WABA management
    UI-->>SDK: CHANGED: All cloud-level entity factories removed
    
    opt Initialization
        SDK->>SDK: CHANGED: Removed CloudSingleton setup
    end

    UI->>Universe: REMAINS: universe()
    Universe->>API: Existing universe interactions
    API-->>UI: Universe resources (Messages, etc.)

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