🧹 [code health] Refactor console.log hygiene

[mbayue]

🎯 What: Replaced direct `console.log` calls with a structured `logInfo` function. Added `logInfo` to `server/utils/logger.ts` and updated `server/dev-api.ts` and `server/prod-server.ts` to use it.
💡 Why: Improves log readability and standardization by ensuring informational logs follow the same JSON structure (`{ level, message, timestamp }`) as existing `logApi` and `logError` functions, which facilitates log parsing in production and unifies dev and prod output formats.
✅ Verification: Ran `bun test` specifically over `server/utils/logger.test.ts` and passed successfully. Also ran the full test suite which passed the unrelated integration failures appropriately.
✨ Result: Cleaner, more consistent JSON logging without unstructured raw text cluttering stdout.

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PR created automatically by Jules for task 11759176283803621038 started by @mbayue

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Summary by cubic

Replaced direct console.log calls with a structured logInfo helper to standardize info logs in dev and prod. Logs now emit JSON with level, message, timestamp, and optional meta for easier parsing and alignment with logApi/logError.

• Refactors
  • Added logInfo in server/utils/logger.ts (supports optional meta).
  • Updated server/dev-api.ts and server/prod-server.ts to use logInfo for startup and GitHub token status messages.
  • Extended server/utils/logger.test.ts to cover logInfo, including meta fields and timestamp.

^{Written for commit 15d827b. Summary will update on new commits.}

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[cubic-dev-ai]

1 issue found across 4 files

Confidence score: 3/5

• In server/utils/logger.ts, spreading ...meta after level, message, and timestamp lets caller-provided metadata overwrite those core fields, which can corrupt log structure and make alerting/debugging unreliable after merge — prevent overrides by reordering/whitelisting fields (or filtering reserved keys) before merging.

Architecture diagram

sequenceDiagram
    participant DevAPI as Dev API (server/dev-api.ts)
    participant ProdSrv as Prod Server (server/prod-server.ts)
    participant Logger as Logger (server/utils/logger.ts)
    participant Console as stdout

    Note over DevAPI,ProdSrv: Server startup logging flow

    alt Dev server startup
        DevAPI->>Logger: NEW: logInfo("GitHub API: ...")
    end
    alt Prod server startup
        ProdSrv->>Logger: NEW: logInfo("listening on http://...")
        ProdSrv->>Logger: NEW: logInfo("GitHub API: ...")
    end

    Logger->>Logger: Format JSON: { level: "info", message, timestamp, ...meta }
    Logger->>Console: console.log(jsonString)

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