fix: standardize logging messages

[Timeless0911]

Summary

• Include several changes to enforce a consistent logging message case convention across the codebase

/**
 * Logging message case convention:
 *
 * Info, ready, success and debug messages:
 * - Start with lowercase
 * - Example: "info  build started..."
 *
 * Errors and warnings:
 * - Start with uppercase
 * - Example: "error  Failed to build"
 *
 * This convention helps distinguish between normal operations
 * and important alerts that require attention.
 */

• Use rslib as our DEBUG key
• Add issuer path in logs of module-import-warn cases

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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