[chore]: add dotenv to dev deps

[seanmcguire12]

why

• so that dotenv is installed with pnpm i

what changed

• added dotenv to dev dependencies

---

Summary by cubic

Added dotenv 16.4.5 to devDependencies so it installs with pnpm i. This enables .env loading in local dev scripts without manual installation.

^{Written for commit 53f8c54. Summary will update on new commits. Review in cubic}

[changeset-bot]

⚠️ No Changeset found

Latest commit: 53f8c54

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[greptile-apps]

Greptile Summary

Adds dotenv (v16.4.5) as a root-level workspace devDependency so it is installed via pnpm i. This aligns with the existing dotenv dependency in the evals package and supports local development workflows that rely on .env file loading (especially after the upcoming removal of automatic .env loading from the core library, per the existing changeset fair-cups-protect.md).

Confidence Score: 5/5

• This PR is safe to merge — it only adds a well-known devDependency with no runtime or code logic changes.
• The change is minimal and purely additive: a single pinned devDependency addition to the root package.json with the corresponding lockfile update. No source code is modified, no runtime behavior changes, and the version matches what's already used in the evals package.
• No files require special attention.

Important Files Changed

Filename	Overview
package.json	Adds dotenv 16.4.5 as a root-level devDependency. Version matches the existing evals package dependency. No issues found.
pnpm-lock.yaml	Auto-generated lockfile update reflecting the new root devDependency on dotenv 16.4.5. No issues.

Flowchart

flowchart TD
    A["Root package.json\n(workspace)"] -->|devDependencies| B["dotenv@16.4.5\n(newly added)"]
    C["packages/evals/package.json"] -->|dependencies| D["dotenv@16.4.5\n(existing)"]
    E["pnpm-lock.yaml"] -->|resolves| B
    E -->|resolves| D
    B --- F["Used for local dev\n(.env loading)"]
    D --- F

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_{Last reviewed commit: 53f8c54}

[greptile-apps]

_{2 files reviewed, no comments}

_{Edit Code Review Agent Settings | Greptile}

[cubic-dev-ai]

No issues found across 2 files

Confidence score: 5/5

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

Architecture diagram

sequenceDiagram
    participant Dev as Developer
    participant Script as Local Dev Script
    participant Dotenv as dotenv (Library)
    participant FS as .env File
    participant Env as Node.js process.env

    Note over Dev, Env: Local Development Environment Bootstrapping

    Dev->>Script: Run pnpm script (dev/test/util)
    
    rect rgb(23, 37, 84)
    Note right of Script: Interaction enabled by NEW dependency
    Script->>Dotenv: NEW: config()
    Dotenv->>FS: Attempt to read .env file
    
    alt .env file found
        FS-->>Dotenv: Key=Value pairs
        Dotenv->>Env: NEW: Inject pairs into process.env
    else .env file missing
        FS-->>Dotenv: Error/Empty
        Dotenv-->>Script: No-op (use system env)
    end
    end

    Script->>Env: Access configuration (e.g., API keys)
    Env-->>Script: Return variable values
    Script->>Script: Proceed with local execution

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